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69results about How to "Reduce environmental risks" patented technology

apparatus for the synthesis of phenylglycine precursor phenylhydantoin

This invention provides a synthesis apparatus for phenylhydantoin, a precursor of phenylglycine, belonging to the field of chemical equipment technology. It includes an ammonium bicarbonate solution reaction tank, an intermediate tank, and a phenylhydantoin solution synthesis tank. The ammonium bicarbonate solution reaction tank is equipped with an ammonia inlet pipe and a carbon dioxide gas inlet pipe. The intermediate tank is connected to the ammonium bicarbonate solution outlet at the bottom of the reaction tank via a pipeline. The top of the phenylhydantoin solution synthesis tank is equipped with a sodium cyanide solution inlet pipe, a benzaldehyde solution inlet pipe, and an ammonium bicarbonate solution inlet pipe. The phenylhydantoin solution synthesis tank includes a jacketed synthesis tank body and is equipped with a heating pipe and a discharge pipe connected to the internal cavity of the jacket to provide a suitable temperature for the synthesis of phenylhydantoin. This application can reduce the frequent dumping operations of the batch reactor, realize the continuous reaction of the phenylhydantoin solution, and at the same time, use ammonia to absorb carbon dioxide instead of solid ammonium bicarbonate, reducing the safety hazards and environmental risks caused by leakage and improving production efficiency.
Owner:HEBEI CHENGXIN

Photoresist waste liquid recycling device and process

The application provides a photoresist waste liquid recycling device and process, by adding hydrochloric acid to the photoresist waste liquid in the acidification precipitation tank in the pretreatment module to adjust the pH value, the linear phenolic resin precipitation rate reaches more than 95%, and the linear phenolic resin can be used again to the production stage of the photoresist after centrifugal separation, a compound coagulant containing sulfide and polyaluminum chloride is added to the heavy metal capture tank in the pretreatment module, and the removal rate of heavy metal ions reaches 99.5%; then the photoresist fragments are separated by using an ultrafiltration device, and the diatomite modified by NaOH and polyetherimide is used for adsorption and decolorization, then two-stage vacuum distillation process is used to realize the recovery of high-purity solvents in the photoresist waste liquid, finally, the remaining residue is polymerized and cured by ultraviolet radiation, and the solid fuel with high heat value can also be prepared, so that the 'zero emission' and resource full recovery of the photoresist waste liquid are realized, and the treatment cost and environmental risk are significantly reduced.
Owner:ZHEJIANG ICSPROUT SEMICONDUCTOR CO LTD

Method for treating magnesium slag to produce carbon sequestration material, carbon sequestration material

The application discloses a method for preparing a carbon fixation material from magnesium slag, and the carbon fixation material, and belongs to the technical field of solid waste resource utilization. The method comprises the following steps: mixing magnesium slag and calcareous raw materials to obtain a compound material, wherein the molar ratio of calcium to silicon in the compound material is (2.3-2.7):1; forming the compound material into a green body; preheating the green body at 200-600 DEG C, calcining the green body by increasing the temperature to 1150-1450 DEG C, and cooling the green body by decreasing the temperature to 400-600 DEG C, thereby obtaining the carbon fixation material. The method can reduce the content of beta-C2S in the magnesium slag, increase the content of gamma-C2S, effectively stabilize heavy metal ions, and reduce the generation of volatile gases such as ammonia, thereby significantly improving the long-term stability and environmental safety of the material on the basis of ensuring the carbonation reaction activity.
Owner:WUHAN UNIV OF TECH

Plant road rainwater drainage monitoring device

The utility model belongs to the technical field of sewage discharge, and discloses a plant road rainwater discharge monitoring device which comprises a plurality of sewer wells distributed on the road surface of a plant road, a rainwater pipeline arranged underground, a drainage pipe communicated with a river, a water storage pond, a controller and a PH online detector. The rainwater pipeline is communicated with the water storage pond, a water outlet is formed in the lower portion of one side of the water storage pond and connected with a water drainage pipe, an electric valve used for controlling the water drainage amount is arranged at the position of the water outlet, a detection probe of the PH online detector is arranged at the bottom of the inner side of the water storage pond, and the PH online detector and the electric valve are both electrically connected with the controller. Rainwater in the water storage pond is monitored in real time through the PH online detector, the PH online detector and the electric valve are matched to control opening and closing of the electric valve, the safety of rainwater drainage can be effectively guaranteed through linkage of the PH online detector and the electric valve, the ecological environment of a river is prevented from being affected, and the environmental protection risk is reduced.
Owner:JIANGSU YANGHE WINERY CO LTD SIYANG BRANCH

A Resource Utilization System and Method for Dredged Sediment Treatment Based on Ultrasonic Extraction-Flotation Synergistic Effect

ActiveCN122079438Aefficient separationReduce endogenous pollution loadSludge treatmentOther chemical processesSolid phase adsorptionResource recovery
This invention discloses a resource recovery system for dredged sediment treatment based on ultrasonic extraction and flotation synergy, comprising: a pretreatment unit, a first-stage ultrasonic extraction reaction unit, a second-stage solid-phase adsorption reaction unit, a third-stage flotation separation unit, a dewatering unit, a residual water treatment unit, and a nitrogen and phosphorus recovery unit. It also discloses a resource recovery method for dredged sediment treatment based on ultrasonic extraction and flotation synergy. This invention solves the problems of low pollutant removal rate, high risk of secondary pollution of dredged soil, and limited resource recovery in traditional dredged sediment treatment. Through the synergistic effect of multiple units including "ultrasonic-liquid-solid-phase adsorption-micro-nano bubble flotation," it achieves efficient release of nitrogen and phosphorus, simultaneous removal of microplastics, rapid separation of clean sediment from polluted phases, and recovery of nitrogen and phosphorus for fertilizer production and resource recovery of clean sediment. The entire process is green and low-consumption, suitable for compact layout on water or near shore, and can simultaneously meet the requirements of sediment reduction, harmlessness, and resource recovery.
Owner:CCCC SHANGHAI DREDGING CO LTD

Toilet excrement field application equipment

The utility model discloses a kind of toilet excrement field returning equipment, it is related to environmental protection and agricultural resource utilization technical field, including storage sewage bin, stirring device, conveying pipeline and distributor, the top end lateral wall of storage sewage bin is equipped with feed inlet, the feed inlet is closed by sealing cover, the inside of storage sewage bin is provided with stirring device, the stirring device includes driving motor, transmission shaft and stirring vane, the driving motor is fixed at the top outside of storage sewage bin, the output shaft of driving motor is connected by shaft coupling with one end of transmission shaft, the other end is penetrated the top of storage sewage bin and extends to storage sewage bin inside, the outer wall of transmission shaft is welded with multiple groups of stirring vane, each group of stirring vane is distributed in spiral shape, the bottom of storage sewage bin is provided with discharge port.The utility model discloses a kind of toilet excrement field returning equipment, by storage sewage bin, the centralized collection of excrement is realized, replace traditional dispersed manual collection mode, reduce labor intensity and improve efficiency.
Owner:AGRO ENVIRONMENTAL PROTECTION INST OF MIN OF AGRI

Integrated management and control system and method for gas-solid pollutant emission of steel enterprises

The present application relates to a kind of steel enterprises gas-solid pollutant discharge integrated management system and method, belong to steel enterprises environmental management technical field.The system includes four modules of environmental protection digital map module, wisdom dispatching and path optimization module, risk early warning module and account management module.The method first establishes the information database of whole plant waste gas treatment, carries out unified coding naming and identity electronic tag transformation to the waste gas treatment facilities and its associated solid waste of each production unit, secondly, sorts out the solid waste utilization way, carries out information transformation to solid waste transport vehicle, metering system, then again access inspection system data, transfer warehouse inventory information and solid waste treatment unit's inventory information.The present application can realize the efficient management and control of whole process of atmospheric treatment and solid waste circulation by the treatment, management and control integration of gas-solid pollutant, improve the accuracy, timeliness and standardization of management.
Owner:CHONGQING CISDI THERMAL & ENVIRONMENTAL ENG CO LTD

Fluorosilicate glass-ceramics, method of preparation and use

PendingCN122586374AReduce environmental risksCuring stability
The application discloses fluorosilicate glass, a preparation method and application thereof, and directly uses fluorine-containing sludge and lithium tailings as raw materials, and the mass ratio of the fluorine-containing sludge and the lithium tailings is 3:7-7:3; the mixed materials are high-temperature melted at 1500-1550 DEG C for 1-1.5 h, and after casting forming, annealing is carried out at 600-650 DEG C, so that the base microcrystalline glass is obtained; then, heat treatment is carried out at 10K / min to 950-1050 DEG C for 1-2 h, so that complex crystal phases of albite and calcium fluoride are precipitated. The application realizes glass solidification of the fluorine-containing sludge, and fluorine ions are solidified in CaF2 and a glass network; the obtained microcrystalline glass has a Vickers hardness of 6.3-6.7 GPa, meets the requirements of building and decoration materials, and can be widely used in floor tiles, wall decoration plates and the like. The method simultaneously disposes of two kinds of solid wastes, realizes'material preparation from waste', and has the advantages of environmental friendliness and economic benefits.
Owner:BEIJING UNIV OF TECH +1

Gas supply system for the feed heater and thermal oil heater of naphtha hydrotreating unit

A gas supply device for the feed heater and thermal oil furnace of a naphtha hydrogenation unit is characterized by: a valve assembly installed on the inlet pipeline of the fuel gas separator; the inlet pipeline of the valve assembly is divided into two lines, one for natural gas and the other for the main fuel gas pipeline; the outlet pipeline of the fuel gas separator is also divided into two lines, one connected to the feed heater and the other connected to the thermal oil furnace. This invention, by adding a natural gas pipeline, switches the gas supply to the feed heater and thermal oil furnace to natural gas when flue gas indicators are abnormal, avoiding abnormal flue gas from the heater due to changes in fuel gas composition. This ensures stable operation of the unit and compliant flue gas emissions, meeting environmental protection requirements and reducing environmental risks for enterprises. It largely maintains the original structure of existing equipment, requiring no major modifications, and features low modification costs and high economic benefits.
Owner:SHENMUFUYOU ENERGY TECH

System for ball-milling degradation of dioxins in fly ash

The utility model relates to a system of ball mill degrading dioxin in fly ash, it includes: stirring mixing mechanism, including first feeding port etc., first feeding port, dosing port all with the top end intercommunication of mixed box, filter pressing mechanism adopts the filter pressing mechanism of belt, and the filter pressing mechanism of belt includes second feeding port etc., and second feeding port is located one side of pre -dewatering section and receives the slurry that first discharge port discharged, drying mechanism, including combustion chamber etc., and combustion chamber is located one side of heat storage room, and the hot air outlet of combustion chamber is communicated with one end of drying cylinder, and the combustion port is located one side of the bottom end of combustion chamber, and third feeding port is located one end of drying cylinder and receives the fly ash cake that second discharge port exports, ball mill mechanism, and ball mill mechanism adopts the ball miller. The utility model improves dioxin degradation efficiency, reduces environmental risk simultaneously, does not produce secondary pollutant, realizes the efficient, low -consumption, safe degradation of fly ash dioxin finally.
Owner:SUZHOU QINGZIWEITE ENVIRONMENTAL PROTECTION TECH CO LTD

Complex nickel-containing waste smelting flue gas cleaning and comprehensive utilization method

PendingCN121944747Ahigh main contentfully captureCombination devicesElectrostatic separationSlagDust control
The invention relates to the technical field of nickel-containing dangerous and solid waste recycling, and discloses a complex nickel-containing waste smelting flue gas cleaning and comprehensive utilization method which comprises the steps that smelting flue gas is fed into a dry-method deacidification tower after being subjected to waste heat recovery and shock cooling, coarse-particle calcium hydroxide is sprayed into the dry-method deacidification tower, defluorination is preferentially carried out in a first temperature interval of the dry-method deacidification tower, and defluorination is carried out in a second temperature interval of the dry-method deacidification tower; a defluorination product is collected, and fluorine-containing dust is separated and collected through electrostatic dust collection; the dedusted flue gas enters a semi-dry deacidification tower, and fine-particle calcium hydroxide is sprayed into the semi-dry deacidification tower for deep dechlorination in a lower second temperature interval of the semi-dry deacidification tower; and discharging the purified gas after denitration, washing and ionic liquid desulfurization. The defluorination product is washed and purified to prepare hydrofluoric acid, and the dechlorination slag is dissolved and subjected to a double decomposition reaction to prepare hydrochloric acid. According to the method, a temperature gradient and absorbent particle size gradient coupling process is utilized, so that directional separation and enrichment of gas-phase fluorine and chlorine pollutants are effectively realized, the problem that carnallite is difficult to utilize is solved, and full-process recycling and ultralow emission are realized.
Owner:ZHUHAI SANLI ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

A method for recovering tin, gold and silver from high gold-silver tin-containing materials

PendingCN122256668AProfessional level requirements are not strictEasy to operatePhotography auxillary processesNon-ferrous extractive metallurgyMetal recycling
The application discloses a method for recovering tin, gold and silver from high-gold-silver-tin-containing materials, and belongs to the technical field of non-ferrous metal smelting methods.The method adopts a hydrochloric acid-hydrogen peroxide system for leaching, so that tin, gold and silver enter a solution and are separated from insoluble residues; sulfur dioxide is introduced into the acid leaching solution to selectively reduce and precipitate sponge gold; after the gold is precipitated, silver chloride is precipitated by diluting the solution, and high-purity silver powder is obtained by dissolving the silver chloride in ammonia water and reducing the silver chloride by hydrazine hydrate, and the silver powder is cast into an ingot; the tin-containing solution can be recycled or neutralized to precipitate and recover tin.The method has a short process, realizes efficient separation of gold, silver and tin by selectively reducing gold by SO2 and precipitating silver by dilution, has high metal recovery rate (tin > 98.5%, gold > 99.5%, and silver > 99.5%), most of the solution is recycled, is environmentally friendly, has remarkable economic benefits, and the like.
Owner:YUNNAN TIN CO LTD TIN BRANCH

Comprehensive utilization methods of sulfide tailings

PendingCN122076598Ahigh purityRealize full component recoverySolid waste disposalSolid separationPyriteCalcite
This invention discloses a method for the comprehensive utilization of sulfide tailings, relating to the field of sulfide tailings treatment technology. This method uses lead-zinc tailings as raw material and innovatively employs a combined "two-stage acid leaching-gravity separation-flotation" process. First, two stages of acid leaching selectively leach calcite associated with barite in the tailings, reducing the influence of muddy calcite while activating pyrite. Subsequently, the acid leaching residue undergoes gravity separation to further separate undissolved calcite, quartz, and other silica-containing gangue minerals. The gravity concentrate is then subjected to flotation to achieve the separation of barite and pyrite, ultimately obtaining high-purity barite and pyrite products respectively. This invention features a reasonable process route and simple operation, effectively solving the separation problem of fine-grained, high-viscosity lead-zinc tailings, achieving full-component purification and utilization of lead-zinc tailings, significantly enhancing the economic value of tailings resources, and reducing the environmental pressure caused by tailings stockpiling, thus demonstrating good economic, environmental, and social benefits.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

A low-carbon cementitious material prepared from waste incineration fly ash and a method for preparing the same

ActiveCN121609523Bincreased toxicityImprove migration abilityProcess engineeringEnvironmental engineering
The application discloses a kind of low-carbon cementing material by waste incineration fly ash excited ore powder and preparation method thereof, by weight percentage, including the following components: modified waste incineration fly ash 8~12%, ion complex component 1~3%, composite shrinkage component 2~6%, ore powder 55~65%, water 23~28%.Preparation method includes the following steps: S1, preparation modified waste incineration fly ash, ion complex component, composite shrinkage component;S2, modified waste incineration fly ash, ion complex component, composite shrinkage component, ore powder, mixing water, fully mixed and stirred evenly, can obtain the low-carbon cementing material by waste incineration fly ash excited ore powder described in the application.In the aspect of component design, the application is environmentally friendly, low cost, in the performance aspect, the flow rate can be adjusted, the mechanical properties are excellent, the volume shrinkage is small.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Chained water film apparatus for manufacturing solar cells and method for reducing HF consumption

The invention discloses chained water film equipment for manufacturing a solar cell and a method for reducing HF consumption, and relates to the technical field of solar cell manufacturing, and the chained water film equipment comprises a spraying chamber, a conveying roller assembly, a spraying assembly, a water tank, a temperature control part and an acquisition assembly. Comprising the following steps: spraying water film liquid in a preset temperature range on the surface of a silicon wafer by using the chain type water film equipment for manufacturing the solar cell, so that the water film liquid covers the surface of the silicon wafer to form a water film, then transporting the silicon wafer with the water film formed on the surface to an etching chamber, and etching the other surface of the silicon wafer; the preset temperature range is 40-50 DEG C; the chain type water film equipment sprays 40-50 DEG C water film liquid to the surface of a silicon wafer, so that a water film is formed on the surface of the silicon wafer, the surface tension of the silicon wafer and the reaction activity of etching tank liquid medicine can be improved, the HF use cost is greatly reduced, and the fluorine ion-containing wastewater treatment cost and the environmental protection risk caused by fluorine-containing wastewater treatment are reduced.
Owner:SUNSNYC CO LTD

Tunnel cave rail drainage mud discharging equipment

This invention discloses a track-based drainage and sludge removal device for tunnels and karst caves. Tracks can be selectively laid within the target karst cave or tunnel. The device includes an adjustment mechanism and transport units arranged in a ring array outside the adjustment mechanism. The adjustment mechanism includes linear degrees of freedom for synchronously adjusting the spacing between each adjustment mechanism. I. Adaptability: This invention utilizes a combination of adjustment mechanism and transport units, enabling it to adapt to karst caves and tunnels of different sizes. The linear degrees of freedom of the adjustment mechanism and the mobility of the transport units allow the device to flexibly adjust the spacing and position to adapt to different working environments and requirements. II. Automated Operation: This invention has the ability to automatically detect the location of crusted sludge, achieving automatic sensing of the sludge location in the karst cave through a detection mechanism. Simultaneously, the device can automatically perform point-to-point sludge destruction, improving the automation level of the operation and reducing the need for manual operation.
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD +3

Underground integrated low-temperature geothermal ORC power generation system suitable for abandoned oil well

The invention discloses a technical scheme of an underground integrated low-temperature terrestrial heat ORC power generation system suitable for a waste oil well, belongs to the field of power generation and energy utilization, and is characterized in that an underground sealed pressure-bearing power generation main body, a totally-closed organic working medium circulating system, a deep geological exploration module and a ground control unit are modularly integrated underground; and direct heat transfer of a heat source, thermal power-electric power closed loop and zero formation water contact are realized. The evaporator is directly attached to the underground outer wall to achieve heat exchange, a working medium is heated and evaporated and drives the power generator to output electric power through the expansion machine, vortex tubes are connected in series for condensation, condensation and liquid return are achieved through inert media, underground geological data can be stored off line and transmitted to the ground in real time, and the righting and positioning mechanism is adaptive to the inner diameter of a shaft of 3-7 inches. The armored cable realizes two-way transmission and remote control between underground and ground, has the advantages of low environmental risk, modularization, low cost investment and the like, and is suitable for improving geothermal potential and regional exploration of waste oil wells.
Owner:周子俊

A method for recycling low-phosphorus ferric phosphate production wastewater

PendingCN122277034Alow purityAchieve upcyclingPhosphateCatalytic oxidation
This invention discloses a resource recovery method for low-phosphorus ferric phosphate production wastewater, belonging to the technical field of ferric phosphate wastewater treatment and resource recovery. The method includes the following steps: reacting the low-phosphorus ferric phosphate production wastewater with an iron source solution in a first precipitation reaction to obtain hydroxyferric phosphate precipitate and a first filtrate; the pH of the first precipitation reaction is 0.8~1.8; reacting the first filtrate with a catalytic oxidant in a second precipitation reaction to obtain manganese dioxide precipitate and a second filtrate; the pH of the second precipitation reaction is 6.0~9.5, and the redox potential is -50 to 250 mV; subjecting the second filtrate to membrane concentration treatment to separate desalinated water and concentrated water; subjecting the concentrated water to a first evaporation crystallization to obtain evaporation crystallization mother liquor and ammonium sulfate crystals; and subjecting the evaporation crystallization mother liquor to cooling crystallization to obtain magnesium ammonium sulfate crystals and cooling crystallization mother liquor. This invention achieves efficient recovery of phosphorus, manganese, monophosphate, and magnesium from low-phosphorus ferric phosphate production wastewater, with high product purity.
Owner:HUNAN ZHONGJIN LINGNAN KANGMENG ENVIRONMENTAL PROTECTION TECH

Preparation method and application of coumoxyl-modified chlorantraniliprole-loaded MOF nano-pesticide

This invention discloses a method for preparing and applying a coumaric acid-modified MOF nanopesticide loaded with chlorantraniliprole, belonging to the field of pesticide formulation technology. The nanopesticide comprises: an iron-based metal-organic framework carrier MIL-101(Fe); chlorantraniliprole loaded within the pores of the carrier; and coumaric acid modified on the surface of the carrier through electrostatic interactions. The preparation method includes three steps: MIL-101(Fe) carrier synthesis, chlorantraniliprole loading, and coumaric acid surface modification. The process is simple and the conditions are mild. This invention utilizes the alkaline environment of the fall armyworm's gut to trigger carrier degradation, achieving targeted and controlled release of active molecules. Simultaneously, the released MIL-101(Fe) is reduced under the action of GSH in the gut, generating reactive oxygen species through the Fenton reaction, forming a synergistic insecticidal effect with coumaric acid. Experiments have shown that this nanopesticide exhibits far superior insecticidal activity against fall armyworm compared to single agents or carriers, possessing excellent insecticidal activity and environmental compatibility, making it suitable for green agricultural production.
Owner:SANYA NATIONAL INSTITUTE OF SOUTHERN BREEDING CHINESE ACADEMY OF AGRICULTURAL SCIENCES +2

Method for synergistically improving phosphorus efficiency of green manure-rice rotation system through forward movement of phosphate fertilizer

The invention relates to the technical field of green manure rice, in particular to a method for synergistically improving phosphorus efficiency of a green manure-rice rotation system through forward movement of a phosphate fertilizer, which comprises the following steps: in the green manure-rice rotation system, moving at least a part of the phosphate fertilizer planned to be applied to a rice growth season forward to a green manure growth season; the base fertilizer is applied in the sowing period or the seedling period of the green manure. Through fertilization time sequence management, the application of the phosphate fertilizer is advanced from an easily fixed rice season to an activated green manure season, the applied phosphate fertilizer is efficiently absorbed and converted into organism phosphorus by utilizing vigorous root activity and secreta in the growth period of green manure crops, the activated phosphorus is released through turning, pressing and decomposing of the green manure, and the phosphate fertilizer is applied to the rice season. A slow-release phosphorus bank easy to absorb is constructed for succeeding rice, seasonal phosphorus nutrition is provided, original fixed-state phosphorus in soil is activated, the capacity and the turnover rate of the soil available phosphorus bank are increased, and the long-term fertilizing effect is achieved.
Owner:INST OF PLANT NUTITUION & RESOURCE ENVIRONMENT HENAN ACADEMY OF AGRI SCI

Environment-friendly high-efficiency wastewater discharge facility

The utility model discloses an environmental protection type efficient wastewater discharge facility relates to wastewater discharge field, including the ground erects the pipeline, the top of ground erects the pipeline and is provided with first protection groove, the outer wall of ground erects the pipeline and is provided with second protection groove, the bottom of second protection groove is installed with base. The utility model discloses an environmental protection type efficient wastewater discharge facility, through setting up ground erects the pipeline, and through first protection groove and second protection groove, based on this adjustable height base of bottom, can effectively reduce the environmental risk of pollutant emission process, when discharging, through ground erects the pipeline and the tee pipe and directly enters the total discharge, wherein can switch to the emergency accident pool, so that the probability of abnormality of the discharging link greatly reduces, realizes better environmental performance, ground erects the pipeline and can effectively transport wastewater to the designated discharge port, and the layout is reasonable, and the discharge time is short, and the wastewater quality of discharging is little affected by external interference.
Owner:SUZHOU SH PRECISION CO LTD

Green environment-friendly gas-phase corrosion inhibitor and preparation method thereof

PendingCN122327233ARealize green attributesgood biocompatibility
This invention relates to the field of vapor phase corrosion inhibitors and discloses a green and environmentally friendly vapor phase corrosion inhibitor and its preparation method, which is composed of the following raw materials in the indicated mass percentages: phytic acid 30%-38%, citric acid 8%-12%, diethanolamine 32%-40%, morpholine 4%-8%, water 10%-15%, ethanol 4%-6%, benzotriazole 1.5%-2.5%, and alanine ternary complex 0.5%-3.0%. Phytic acid, extracted from rice bran processing byproducts, and citric acid, derived from citrus fruits, are used as the core organic acid components. The polyphosphate groups of these two components form a synergistic chelate system with the carboxyl groups. Combined with other green components, this eliminates dependence on non-renewable petrochemical products from the source of raw materials, truly realizing the green properties of the corrosion inhibitor, and exhibiting excellent biocompatibility. The alanine ternary complex, through the multi-coordination site structure formed by L-alanine, phosphoric acid, and dibutylamine, synergistically works with the heterocyclic structure of benzotriazole to fill the defects in the protective film formed by the adsorption of single benzotriazole, enhancing its adsorption and compatibility with different metal surfaces.
Owner:GUANGZHOU PANYU POLYTECHNIC

Method for preparing semi-water calcium sulfate whiskers by directional conversion of calcium-based components of waste incineration fly ash

The application discloses a method for preparing semi-hydrated calcium sulfate whiskers by directional conversion of calcium-based components of waste incineration fly ash, and relates to the field of solid waste treatment. The application aims at the industry pain point of harmless disposal of waste incineration fly ash, and the core defect that the existing fly ash-based calcium sulfate whisker preparation technology cannot stably prepare high-purity high-aspect-ratio single-phase semi-hydrated calcium sulfate whiskers. Through a controllable process of "acid leaching calcium-precursor generation-ultrasonic assistance-hydrothermal conversion", the synergistic effect of harmless disposal and high-value utilization of waste incineration fly ash is realized, and the method has remarkable environmental benefits, economic benefits and industrial application value.
Owner:ZHEJIANG UNIV +1

V2C nanosheet composite electrode, preparation method and application thereof

The invention belongs to the technical field of flow batteries, and discloses a V2C nanosheet composite electrode as well as a preparation method and application thereof. The preparation method comprises the following steps: etching MAX ceramic powder by using a mild acidic solution with the pH value of 4 and NaF to obtain a V2C material; carrying out silanization coupling agent treatment, inert / reducing atmosphere ice bath ultrasonic treatment and centrifugation to prepare a V2C-Si-NH2 nanosheet; a graphene electrode is soaked in the nanosheet suspension, an amide coupling agent is added for a water bath reaction, and the binder-free composite electrode is obtained. The electrode is combined through a C-C (O) NH-Si-V2C covalent bond, and the V2C nanosheet is low in defect and uniform in dispersion and has high conductivity and catalytic property. The method can be applied to all-vanadium, zinc-iron and other flow batteries, can improve the coulombic efficiency and energy efficiency of the batteries, and is suitable for industrialization of the flow batteries.
Owner:ZHANGJIAGANG DETAI ENERGY STORAGE EQUIP CO LTD

Incineration plant environment data processing method and system based on edge computing

ActiveCN121682106BImprove operational efficiencyAccurately predict changing trends of environmental parameters
The present application provides a kind of incineration plant environmental data processing method and system based on edge computing, first by the environmental perception device of each functional area arrangement of incineration plant collection gas component, temperature distribution and particulate matter concentration etc., then the regionalization feature extraction of environmental perception data is carried out, and the regional environmental feature set of each functional area is generated, then cross-regional sharing and correlation analysis are carried out, the environmental influence correlation between different functional areas is identified, the environmental risk propagation path model is constructed according to the environmental influence correlation, the change trend of each functional area environmental parameter is predicted, finally, according to the change trend of each functional area environmental parameter, incineration equipment control instruction is generated, and is transmitted to corresponding executing mechanism, so that the overall processing of incineration plant environmental data and the intelligent control of equipment are realized, and the operation efficiency and environmental safety are improved.
Owner:北京朝阳环境集团有限公司

Preparation method of stearate intercalated hydrotalcite zinc burning PVC heat stabilizer

The application relates to the technical field of PVC heat stabilizer preparation, in particular to a preparation method of a stearate intercalated hydrotalcite anti-zinc-burn PVC heat stabilizer. The method comprises the following steps: synthesizing a magnesium-aluminum hydrotalcite precursor containing carbonates between layers; intercalating and modifying the precursor in an organic solvent by using stearic acid and purifying the stearic acid by using acetone to obtain stearate intercalated hydrotalcite; respectively preparing stearic acid rare earth, zinc acrylate and calcium stearate; mixing the above components and antioxidants and lubricants in kneading equipment, and controlling temperature and moisture content to obtain a final product. Through the synergistic effect of the stearate intercalated structure and the metal soap component, the zinc burning phenomenon in the PVC processing process is effectively inhibited, and the initial coloring property and long-term thermal stability of the material are improved.
Owner:JIANGXI HONGYUAN CHEM CO LTD

Fan blade pyrolysis recovery method based on internal circulation adsorption

PendingCN121873819Arealize self-digestionRealize added valueOther chemical processesLiquid carbonaceous fuelsSpecific adsorptionTurbine blade
The invention discloses a fan blade pyrolysis recovery method based on internal circulation adsorption, which comprises the following steps of: converting solid residues generated by pyrolysis into a multifunctional material with specific adsorption capacity on characteristic impurities in homologous pyrolysis oil through a set of unique technology integrating metal functionalization, controllable activation and directional forming; the material is used for purifying and improving the grade of a pyrolysis oil product, so that a perfect material closed loop of'waste-functional material-product quality improvement 'is formed; the closed loop not only converts the solid waste originally needing to be paid for treatment into a process additive with a high additional value to realize self-digestion and value increment of internal resources, but also remarkably improves the stability and economic value of the pyrolytic oil as fuel oil or chemical raw materials through efficient refining of the pyrolytic oil, and is suitable for industrial production. And the key bottleneck from recovery to high-value application is broken through.
Owner:NANJING NORMAL UNIVERSITY

Pseudomonas soli, microbial inoculant and application thereof

PendingCN122609427AHas salt-alkali resistanceGood long-term colonization ability
The application discloses Pseudomonas songnenensis, a microbial inoculum and application thereof, and relates to the technical field of environmental microorganisms and solid waste resource technology. The Pseudomonas songnenensis strain JP01 is preserved in the China General Microbiological Culture Collection Center, and has a preservation number of CGMCC No. 37102. The strain has salt and alkali tolerance characteristics, and can degrade coal gangue and promote the release of effective phosphorus, available potassium and effective silicon nutrients. After inoculation for 4 days, under normal conditions, the effective phosphorus content of the strain JP01 treatment group is 758.65% higher than that of the CK group; under salt and alkali conditions, the effective phosphorus content of the strain JP01 treatment group is 4.70 times that of the bacillus megaterium treatment group. The strain has good long-term colonization ability in a coal gangue-salt and alkali soil mixed substrate, and the viable cell count can still be maintained at a high level of 2.72x10 7 CFU / g after 90 days of culture. The application is suitable for coal gangue resource utilization and salt and alkali soil improvement, and has good phosphorus element activation ability and functional stability in a salt and alkali environment.
Owner:INNER MONGOLIA UNIV OF TECH

High-entropy halogen-terminated MXene material and preparation method thereof

PendingCN121974346Acrystal structure intactUniform spacing between layersCarbon compoundsHalogenEnd-group
The invention belongs to the technical field of new material preparation, and particularly discloses a high-entropy halogen-terminated MXene material and a preparation method thereof.The preparation method comprises the following steps that S1, a high-entropy MAX sample, an etching agent and molten salt raw materials are mixed according to the proportion, and then high-temperature annealing treatment is conducted under inert gas protection; s2, heating and washing with a washing solvent until impurities are removed, and then carrying out suction filtration and washing with ultrapure water until the solution is neutral; and S3, carrying out drying treatment to obtain the accordion-shaped multi-layer and single-end-group high-entropy MXene. According to the high-entropy halogen-terminated MXene material and the preparation method thereof, precise regulation and control of surface functional groups of high-entropy MXene are realized, and the application performance of the high-entropy halogen-terminated MXene material in the target fields of energy storage, catalysis and the like is improved by regulating and controlling the reaction temperature and the heat preservation time in the molten salt and directionally regulating and controlling the types of the surface functional groups of the product through the etching agent.
Owner:HAINAN UNIV

A movable prizing type unpowered mine tunnel antimony-containing water treatment system and method

The application discloses a movable pry-mounted non-powered mine tunnel antimony-containing water gushing treatment system and method, the system comprises a plurality of warehouse bodies arranged side by side, and the warehouse bodies are sequentially a buffer homogenizing warehouse, a sedimentation warehouse, an adsorption treatment warehouse and a clean water buffer warehouse; the warehouse bodies are relatively arranged in an up-down sliding mode and are fixedly connected through a connecting rod located at the top; the method comprises the following steps: S1, preparation work; S2, hoisting and positioning; and S3, continuous water treatment; the system is integrally arranged in a standard container pry-mounted module, can be quickly deployed to any water gushing point accessible by road through road transportation, is driven by gravity generated by natural terrain difference throughout the journey, does not need external power supply and is perfectly suitable for mine areas without power supply.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP