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Efficient flocculent precipitate purification method for polymetallic ore benefication wastewater
ActiveCN102730885ASolve the poor effect of flocculation and sedimentationResolve separabilityMultistage water/sewage treatmentWater/sewage treatment by flocculation/precipitationParticulatesPurification methods
The invention discloses an efficient flocculent precipitate purification method for polymetallic ore benefication wastewater. Specifically, the purification method comprises the steps of: neutralizing and regulating the pH value of benefication wastewater by adopting a little amount of alkaline materials; then sequentially feeding a proper amount of proper suitable flocculant for efficient flocculation and a little amount of efficient coagulant aids for fast precipitation; separating sludge from water through action of a partition wall, wherein the treated wastewater achieves primary standardof national Integrated wastewater discharge standard (GB8978-1996); through SV30 evaluation; settling for 5minutes to achieve 45-55mL of supernatant by volume; and settling for 15 minutes to achieve 70-80mL of supernatant by volume. The purification method can fully utilize the traditional benefication wastewater lime and sedimentation process, is simple in procedure, and can simultaneously remove suspended particulate matters, organic matters and heavy metal ions in wastewater, is high in flocculation efficiency and fast in sedimentation speed, and can better solve the purification problem of the low-concentration and high-tubidity polymetallic ore benefication wastewater of multiple heavy metals.
Owner:CENT SOUTH UNIV
Method for preparing activated carbon by pyrolysis of organic matters
ActiveCN102134071ARealize zero supplyRealization of regenerative combustionCarbon compoundsEnergy inputActivated carbonCombustible gas
The invention relates to a method for preparing activated carbon by pyrolysis of organic matters, comprising a pyrolyzing device, a reforming device, a drying device, a purifying device, a gas storage device and a high-temperature heat-storage combustion device, wherein pyrolysis reaction is carried out on organic matters by the pyrolyzing device so as to generate combustible gas, tar and coke, the combustible gas enters the drying device after passing through the reforming device so as to dry the organic matters, a part of the purified combustible gas combusts in the direction of a combustion passage of the high-temperature heat-storage burning device so as to generate combustion heat, and simultaneously, the other part of the combustible gas exchanges heat by the heat-storage combustion device in the direction of a heat-exchange passage, and then enters the pyrolyzing device for pyrolysis and activation reaction as pyrolyzing and activating medium. In the process of pyrolysis, the coke forms the activated carbon by activation of the combustible gas. The combustible gas generated by pyrolysis is dried by the drying device, and then sensible heat in the gas is fully released; a part of the combustible gas combusts to release heat as the energy source needed in the process of pyrolysis, and the combustible gas is a pyrolysis medium, and is also an activating agent in the process that the coke generates the activated carbon.
Owner:DALIAN UNIV OF TECH +1
A preparation method of a sol-gel catalyst for deep removal of a small amount of hydrogen in industrial CO gas
ActiveCN102284286ASimple catalytic performanceImprove catalytic performanceCarbon monoxideMetal/metal-oxides/metal-hydroxide catalystsIndustrial gasPtru catalyst
The invention discloses a preparation method of a sol-gel catalyst for deeply removing a little H2 in industrial CO synthetic gas through selective oxidation reaction, and a related process. The method comprises the following steps of: dissolving palladium chloride serving as a palladium source in hydrochloric acid solution with certain concentration, and adding aluminum isopropoxide, water and nitric acid in a certain ratio to form sol at a certain temperature; and gelatinizing the sol at a certain temperature to form gel, and drying and roasting at a certain temperature to obtain the required catalyst. The catalyst prepared by the method has the advantages that: active ingredients are uniformly distributed, the using amount of noble metal palladium salt is reduced, reaction conditions are mild, the phenomena of violent heat release and temperature runaway are avoided, the catalyst has superior performance, the H2 in the industrial CO synthetic gas can be removed to be less than 100ppm, and the requirement on the purity of the CO gas in a carbonyl synthesis process can be effectively met.
Owner:贵州鑫醇科技发展有限公司
Methanation process for removing a small amount of H2 from industrial CO gas and preparation method of catalyst
InactiveCN102247851AEasy to prepareLow equipment requirementsCarbon monoxideMetal/metal-oxides/metal-hydroxide catalystsIndustrial gasPtru catalyst
The invention discloses a preparation method of a catalyst for removing a small amount of H2 from industrial CO gas. The catalyst is prepared by an impregnation method, nickel is taken as an active ingredient, transition metal is taken as an auxiliary agent, and active alumina is taken as a carrier. The catalyst prepared by the method has the advantages that: the preparation method is simple, the active ingredient is uniformly loaded, the obtained catalyst has high catalytic property, and CO and the H2 in the industrial CO gas can be subjected to methanation reaction, so that the content of the H2 in reaction tail gas is less than 400ppm, and the problem of purifying the CO gas in the carbonyl synthesis industry can be effectively solved.
Owner:FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
Combined type cultivation wastewater purification method and device
InactiveCN101139153AReduce project costLow mud productionTreatment with aerobic and anaerobic processesMultistage water/sewage treatmentTotal phosphorusSubstance content
The present invention discloses a compound purifying method and device of cultivation wastewater which is accomplished by the following processes. The deposited cultivation wastewater after filter seeps through deadwood to carry through anaerobic and denitrogenating treatment and then seeps through bamboo charcoal and limestone to carry through aerobic aeration treatment; after internal electrolysis treatment and absorption treatment, the wastewater purifying is accomplished and the wastewater is discharged. The device system has no machinery and is simple and convenient to maintenance. Workers after simple training can self operate and maintain. The present invention aims at the characteristic of high COD, total nitrogen, total phosphorus and solid suspended substances content of cultivation wastewater. The present invention has designed a distributed treatment flow and has the advantages of simple device, easy acquisition of material and easy maintenance. The present invention can solve the purifying problem of cultivation wastewater in culturing farms with small or medium scale.
Owner:HUBEI UNIV
Rural drinking water integrated water purification method and device
InactiveCN104496090AReduce pollutionSolve the purification problemTreatment involving filtrationMultistage water/sewage treatmentAluminum IonElectrolysis
The invention discloses a rural drinking water integrated water purification method and device. The method comprises the steps of integral coagulation, precipitation and filtration. The integral coagulation comprises the following steps: coagulating in an electrocoagulation mode, and sending into a static pipeline flocculation plant to carry out mixed flocculation. In the electrocoagulation process, an aluminum sheet is used as the electrode, an up-flow electrocoagulation device reacts with aluminum ions generated by the aluminum sheet, and then the mixed flocculation is carried out. In the mixed flocculation process, water is precipitated and subjected to clearance drainage, and is filtered through activated carbon. The electrocoagulation water purification method can complete the process of electrocoagulation, electric flotation, electrolytic oxidation, electrolytic reduction and the like in one facility, has the functions of condensation, adsorption, upward flotation, redox and the like, comprehensively considers the economic cost, and has the characteristics incomparable with other techniques when being used in a minitype integrated facility. The method and device have favorable removal effect on turbidity, and have certain removal effect on chroma and COD (chemical oxygen demand).
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
Method for simultaneously recovering phosphorus and removing antibiotics in water body based on sludge-based biochar
PendingCN113321345AEliminate Phosphorus ContentRealize adsorption enrichmentWater contaminantsMultistage water/sewage treatmentSludgeCatalytic oxidation
The invention discloses a method for simultaneously recovering phosphorus in a water body and removing antibiotics based on sludge-based biochar, and belongs to the field of sludge resource utilization and the field of compound polluted water body purification. The method comprises the following steps: (1) taking sludge generated in a sewage treatment process as a main raw material, and preparing sludge-based biochar through the steps of anoxic pyrolysis, drying, grinding and the like; (2) adding the sludge-based biochar obtained in the step (1) into a phosphorus and antibiotic combined polluted water body, then adding an oxidizing agent, transferring and enriching phosphorus in the water body to the surface of the sludge-based biochar through an adsorption effect, and removing antibiotics from the water body through a catalytic oxidation reaction; and (3) carrying out solid-liquid separation on the suspension obtained in the step (2) to complete purification treatment on the phosphorus and antibiotic combined pollution water body and obtain the sludge-based biochar which is rich in phosphorus and free of antibiotic pollution. The method has a wide application prospect in the fields of sludge resource utilization and combined polluted water body purification.
Owner:HENAN ACADEMY OF SCI CHEM RES INST CO LTD
Carbon fiber microalgae cultivating system using wastewater resources
ActiveCN102952747AEfficient and significant governanceIncrease biodiversityBioreactor/fermenter combinationsBiological substance pretreatmentsEutrophicationCarbon fibers
A carbon fiber microalgae cultivating system using wastewater resources comprises a wastewater resources conveying subsystem, an algae cultivating pond, a biomass collecting subsystem, a drying system, outward transportation, a carbon fiber water quality regulating reservoir, a CO2 charging system, an illuminating system, a water quality and water quantity monitoring system, a wastewater resource regulating and controlling subsystem and the like, wherein the regulating reservoir is used for reducing the concentrations of organic matters and nitrogen and phosphorus pollutants in the wastewater resources, removing suspended matters, heavy metals and toxic substances and increasing the transparency of a water body; and the cultivating pond is used for cultivating biomass for high-yield oil and high-protein attached algae and microalgae, and thus the nitrogen and phosphorus are further degraded and the CO2 is fixed by the high-yield oil and high-protein algae. The carbon fiber microalgae cultivating system disclosed by the invention is an integrated product and equipment system for realizing water quality purification, algae cultivation and reduction and emission of greenhouse gases by using the wastewater resources; the technical bottleneck of eutrophication water body control and CO2 reduction and emission is solved; the economic pressure of governing water containments and the greenhouse gases is retarded; and the maximization of environment benefit, economic benefit and social benefit is realized by fully utilizing the wastewater resources.
Owner:武汉环天禹生物环保科技有限公司
Preparation method of high-purity propofol
ActiveCN102731265ASolve the purification problemHigh purityOrganic chemistryOrganic compound preparationBrominePropofol
The invention discloses a preparation method of high-purity propofol. The method comprises the steps shown below, wherein R is selected from chlorine, bromine or sulfonate. The method provided by the invention is advantaged in intelligent idea, simple process, and suitability for industrialized productions. The purity of the prepared propofol is above 99.9%, and the prepared propofol satisfies various medical pharmaceutical standards.
Owner:四川国瑞药业有限责任公司
Emulsion microfiltration circulating system and technology
InactiveCN106039830ASolve the purification problemTo achieve the effect of energy saving and emission reductionWork cleaning devicesFiltration circuitsLiquid wasteCyclone
The invention discloses an emulsion microfiltration circulating system and technology. The circulating system comprises a waste liquid storage tank, an oil-separation settling tank, a hydraulic cyclone, a self-cleaning filter and a microfiltration device which are communicated sequentially; the microfiltration device comprises a microfiltration pipe filter, a microfiltration backwashing tank and a backwashing collector, and the microfiltration pipe filter is connected with the microfiltration backwashing tank and the backwashing collector respectively; and slurry collected by the microfiltration device, the self-cleaning filter, the hydraulic cyclone and the waste liquid storage tank is respectively connected with a slurry treatment device respectively through a pipeline, and liquid backwashed and collected by the microfiltration device and liquid obtained through separation of the slurry treatment device return to a liquid inlet of the waste liquid storage tank through a pipeline. According to the emulsion microfiltration circulating system and technology, the problem of purifying emulsion during rolling of steel plates can be effectively solved, the used emulsion can be continuously circulated, filtered and recycled so as to fundamentally achieve no drainage of waste emulsion, the energy-saving and emission-reduction effects can be achieved, and the emulsion microfiltration circulating system and technology are environment-friendly and efficient, and are suitable for industrial application.
Owner:湖北朗净科技有限公司
Method for qualitative and quantitative determination of sugar alcohols in foods by ion chromatograph-mass spectrometer
ActiveCN103344731ARealize quantitative analysisSolve the purification problemComponent separationIon chromatographyAlcohol sugars
The invention discloses a method for qualitative and quantitative determination of sugar alcohols in foods by an ion chromatograph-mass spectrometer. The method is characterized in that a sample subjected to extraction purification pre-treatment is detected by the ion chromatograph-mass spectrometer; ion chromatography conditions comprise that 90mmoL / L of a sodium hydroxide solution as a separation column eluting solution is used for isocratic elution at a flow rate of 0.50mL / min; a suppressed conductance method comprising a suppressor electric current of 139mA, a feeding amount of 25.0 microliters and a suppressor water source constant flow pump flow rate of 1.0mL / min is adopted; mass spectrometry conditions comprise that an ionization mode APCI- is adopted and a temperature of fainting during acupuncture treatment is 450 DEG C; atomized gas is nitrogen and has purity of 99.9% and pressure of 55psi; and quantitative analysis adopts an external standard quantitative method. The method realizes on-line qualitative and quantitative detection of sugar alcohols in foods, utilizes a self-made SPE column and the ion chromatograph-mass spectrometer to carry out detection, and realizes simple and fast qualitative and quantitative detection of six sugar alcohols in foods.
Owner:镇江出入境检验检疫局检验检疫综合技术中心
Novel selfpurging food frying machine
InactiveCN101176623ASolve the purification problemEasy to separateDeep fat fryersEngineeringOil water
The invention relates to a new self-purifying food fryer capability of self-purification of frying oil, which comprises a pan cavity with oil-water unification, and a filter tank capability of decolorization purifying. The invention has the advantage that the oil can be filtrated and decolorization purified intermittently or simultaneously when fried food is produced, so as to reach the aim of effectively eliminating pollution, greatly decreasing the oil consumption and reducing the environmental pollution.
Owner:胡继强 +2
Automobile exhaust purifying agent and preparation method thereof
InactiveCN103785291ASolve the purification problemPlay a role in decompositionDispersed particle separationDecompositionMethanol
The invention discloses an automobile exhaust purifying agent and a preparation method thereof. The method comprises the following steps: mixing 1-1.75% isopropanol with 1-5% propylene glycol so as to obtain a mixture I; mixing the mixture I with 1-2% hydrogen peroxide, 2-3% ethanol and methanol; finally performing split charging and packing, checking out and warehousing. By adopting the automobile exhaust purifying agent, the exhaust problem is solved basically, part of a chemical preparation plays a decomposition role, and the rest chemical preparation decomposes and utilizes organic matters capable of causing carbon deposition by using a chemical mode. The problem of exhaust purification is solved by fully using the chemical mode, and the two modes are mutually coordinated, so that the automobile exhaust purifying agent is rapid and lasting in effect, and has a broad market prospect for severe exhaust emission in China.
Owner:北京清正然化工科技有限公司
Sewage treatment device for hospitals
InactiveCN108975594ASolve the purification problemImprove water qualityTreatment using aerobic processesSpecific water treatment objectivesActivated carbon filtrationFiltration
The invention discloses a sewage treatment device for hospitals. A water feeding pipe is connected with a regulating box; an active carbon filter is arranged on the water feeding pipe; the water feeding pipe is connected with a setting tank through a first water pump; the setting tank is connected with a disinfecting box through a connecting hole; the disinfecting box is connected with an ozone feeding pipe; the water feeding pipe is connected with an aeration biological filtering box through the first water pump; a supporting layer is arranged in the aeration biological filtering box; a filtering layer is arranged above the supporting layer; an aeration pipe is arranged between the supporting layer and the filtering layer; a backwash water feeding pipe and a backwash air feeding pipe arearranged under the supporting layer; the aeration biological filtering box is connected with a purified water tank through the connecting hole; the purified water tank is connected with a water draining pipe; a second water pump is arranged on the water draining pipe. The sewage treatment device adopts aeration biological filtration, is capable of effectively solving the purifying problem of hospital sewage and achieving high effluent quality, is simple and stable to run and is worthy of popularization.
Owner:桂林星蓝节能环保科技有限公司
Process and device for regenerating the loaded washing agent in a physical gas wash
InactiveCN101069803ASolve the purification problemGas treatmentLiquid degasification with auxillary substancesProduct gasGas blending
Owner:LINDE AG
Catalyst for dehydrogenation and purification of bimetallic synthesis gas and preparation method thereof
ActiveCN102302938AEasy to prepareLow equipment requirementsCarbon monoxideMetal/metal-oxides/metal-hydroxide catalystsIndustrial gasPtru catalyst
The invention discloses a method for preparing a catalyst for dehydrogenation and purification of bimetallic synthesis gas. The catalyst is prepared by an immersion method, wherein, copper and palladium are used as active components, and active alumina is used as a vector. The catalyst prepared by the method has the advantages that: the preparation method of the catalyst is simple, the active components are loaded uniformly, and the prepared catalyst has excellent catalytic performance to lead little H2 and O2 in industrial CO gas to perform a selective reaction, so that the content of H2 in reaction tail gas is lower than 100ppm, and the purification problem to CO gas in oxo-synthesis industry can be effectively solved.
Owner:贵州鑫醇科技发展有限公司
Method for flocculating settling of scheelite beneficiation wastewater
ActiveCN105621737ASolve the purification problemAchieve emission standardsWaste water treatment from quariesMultistage water/sewage treatmentFlocculationWastewater
The invention discloses a method for flocculating settling of scheelite beneficiation wastewater. The method comprises the steps that a destabilizing agent lime milk is added into the scheelite beneficiation wastewater to obtain destabilized wastewater, then a pH regulator is added to keep the pH of the wastewater at 9-10, a proper quantity of polymeric flocculant chitosan is added, primary sedimentation is performed under the pH of 9-10, then the pH regulator is added to reduce the pH to 4-5, sedimentation continues to be carried out, and then purified water is obtained. According to the method, lime milk is first utilized for destabilizing suspended matter in the beneficiation wastewater, and then the polymeric agent chitosan is utilized for a stress reaction to pH change. Flocculation and dispersion of the polymeric agent are caused by changing the pH, so that the separation effect of coarse particle flocculating constituents and water is enhanced, the flocculation efficiency is high, the settling velocity is high, the beneficiation wastewater can be well purified, and standard discharge of the wastewater is realized.
Owner:JIANGXI UNIV OF SCI & TECH
Air purifying method and system
InactiveCN106288248AComprehensive optimization effectOptimize the effect of balanceMechanical apparatusSpace heating and ventilation safety systemsIndoor air qualityComputer module
The invention discloses an air purifying method applied to an air purifying system containing two filtering molds. The method comprises steps of acquiring current indoor air quality information including at least one air indicator parameter, determining a relationship between the current indoor air quality information and a first set threshold value, executing purifying operation of an outdoor filtering mold when the current indoor air quality information exceeds the first threshold value, determining a relationship between the current indoor air quality information and a second threshold value, and executing purifying operation of an indoor filtering mold when the current indoor air quality information exceeds the second threshold value. Indoor pollutants are purified via a continuous circulating method; the two filtering molds are controlled by a control module (or a component) to coordinately work, so indoor air purification can be fully achieved.
Owner:李民
Elastic needle wire packing and composed air purification forest thereof
InactiveCN105749852ASolve the purification problemReduce operating energy consumptionUsing liquid separation agentChemical/physical/physico-chemical processesParticulatesEnvironmental resistance
The invention discloses an elastic needle wire packing for air purification and an engineering use method thereof, and relates to mass transfer purification products and technologies in the field of environment friendliness. A plastic elastic wire is alternately stranded on a central rope, elastic needle wire packing monomers in uniform radiation is prepared, and one end or two ends of the packing monomer center rope are fixedly hung on towers, structures or hanging rods in a frame, so that elastic wires are stereoscopically and uniformly spread and filled in an effective area like a forest, the packing is wetted or a water flow is formed by virtue of spray of a spraying device, air blows to the packing forest from any direction, air and liquid can intensively collide and cut on the packing and fully contact to realize high-efficiency mass transfer, particulate matters are washed, soluble matters are absorbed by the liquid, biodegradable organics are dissolved in the absorbing liquid and form biological films on the packing to be degraded, and air is purified. The invention provides widened application of elastic space packing for wastewater treatment, which is just like that a medicine sildenafil for treating cardiovascular diseases is invented by accident to be used for treating male erectil dysfunction.
Owner:路林茫
Flue gas purification device for rubber processing
InactiveCN112717656ASolve the purification problemEasy to cleanGas treatmentDispersed particle filtrationActivated sludgeGas cylinder
The invention belongs to the technical field of air purification, and discloses a flue gas purification device for rubber processing. The flue gas purification device comprises a purification cabinet, wherein a gas cylinder is arranged in the purification cabinet, the top of the gas cylinder communicates with a gas injection pipe, a dry lime layer is arranged in the gas cylinder, a dust removal cloth bag in a protection cylinder 8 is clamped to the bottom of the gas cylinder through a threaded ring, one side of the protection cylinder communicates with a gas conveying pipe, a water tank is arranged on one side of the gas cylinder, and a biological absorption box is arranged on the other side of the water tank. By arranging the purification cabinet, a high-energy ultraviolet sterilization lamp, an activated carbon adsorption chamber and the like, the purpose of good air purification effect is achieved; when flue gas dust is injected into the purification cabinet through the gas injection pipe, it is guaranteed that exhausted gas is clean and harmless through treatment of aerobic activated sludge, ultraviolet rays and activated carbon; and meanwhile, cyclic treatment of the device is realized through a second flow guide pipe, a third flow guide pipe and an electric three-way valve, so reactants in the device are repeatedly utilized, and the working efficiency of the device is improved.
Owner:郑州利致机电科技有限公司
Method for purifying water by building ecological floating island with lake silt
ActiveCN105668795ADegradation function balance and stabilityAvoid pollutionClimate change adaptationSustainable biological treatmentEutrophicationWater quality
The invention discloses a method for purifying water by building an ecological floating island with lake silt. The method comprises the following steps: (1) silt in a lake is fetched, and is subjected to drying, molding, glaze sealing and surface roughening treatment in a nearby factory; and the treated material is fired into non-absorbent floating particles with specific weight of 400-600kg*m<-3> and particle size of 5-20mm; (2) the ecological floating island is constructed with the floating particles; a floating planting platform is constructed in a layered way, wherein the floating planting platform is formed from top to bottom by connecting planting plain soil, a grass mat layer, a grid and the floating particles wrapped by a net; the floating particles are wrapped with an anti-aging high-strength plastic net or metal net; during an early stage of the construction of the floating planting platform, the platform is sprayed with microbes, such that oriented inoculation cultivation is carried out; and (3) plants are planted on the ecological floating island. With the method, silt recycling and the purification of polluted water are realized. Polluted water purification problems such as lake eutrophication can be solved, overall water green area can be increased, wetland can be restored, and the climate can be better regulated.
Owner:上海水源地建设发展有限公司
Air purifying equipment
ActiveCN107401798ASolve the purification problemSave installation spaceMechanical apparatusSpace heating and ventilation safety systemsInlet valveAir purification
The invention relates to air purifying equipment and belongs to the technical field of air purification. The air purifying equipment comprises a shell, a draught fan, a filter element, an outdoor air inlet valve and an indoor air inlet valve. The outdoor air inlet valve and the indoor air inlet valve are oppositely installed on the shell and share the same control shaft. An indoor air outlet is formed in the shell. The draught fan and the filter element are installed in the shell. An air duct is formed by the indoor air outlet, the outdoor air inlet valve and the indoor air inlet valve. The draught fan and the filter element are located in the positions, on the downstream portion of the outdoor air inlet valve and on the downstream portion of the indoor air inlet valve, in the air duct. When the control shaft rotates to a first position, the outdoor air inlet valve is in an opened state, the indoor air inlet valve is in a closed state; and when the control shaft rotates to a second position, the outdoor air inlet valve is in a closed state, and the indoor air inlet valve is located in an opened state. By the adoption of the air purifying equipment, the installation space of the equipment in a room can be saved.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD +1
Method for preparing activated carbon by pyrolysis of organic matters
ActiveCN102134071BRealize zero supplyRealization of regenerative combustionCarbon compoundsEnergy inputActivated carbonCombustible gas
Owner:DALIAN UNIV OF TECH +1
Sanitizable agent signature method in standard model
InactiveCN103354500ASolve the purification problemSatisfy strong unforgeabilityUser identity/authority verificationAuthorizationStandard Model
The invention discloses a sanitizable agent signature method in a standard model. According to the utility model, agent authorization based on identity is performed first. Agent signature is signed after the agent authorization. Then, the agent signature is sanitized. A receiver receives and verifies the sanitized signature. The sanitized signature is accepted if validation passes or rejected if validation fails. The invention provides the sanitizable agent signature method in the standard model and based on CDH (Computational Diffie Hellman) problems and can guarantee the reliability and safety of the agent signature.
Owner:CHANGAN UNIV
Ru/Al2O3 methanation dehydrogenation catalyst and preparation method thereof
ActiveCN102600837AEasy to prepareLow equipment requirementsCarbon monoxideMetal/metal-oxides/metal-hydroxide catalystsHigh concentrationMethanation
The invention aims at providing a preparation method of a ruthenium catalyst for removing trace H2 from high-concentration CO gas. The catalyst is prepared by an immersion method, and takes ruthenium as an active ingredient and aluminum oxide as a carrier. The catalyst prepared by the method has the advantages that the catalyst preparation method is simple, the active ingredient is uniformly loaded, and the obtained catalyst has excellent performance; and by using the catalyst, CO and H2 in industrial CO gas carry out methanation reaction, and H2 content in the reaction tail gas is lower than 1000ppm, so that the purification problem of CO gas in oxo synthesis industry is effectively solved.
Owner:贵州鑫醇科技发展有限公司
Method for treating eutrophication substances in sewage through artemia culture and water purifying system
InactiveCN106145370ASimple control conditionsEasy to implementWater aerationEnergy based wastewater treatmentContinuous modeTreatment pond
The invention provides a method for treating eutrophication substances in sewage through artemia culture. The method includes the following steps that S1, a treating pond is built, and salt lake brine is injected into the treating pond; S2, to-be-treated sewage is injected into the treating pond in a continuous or semi-continuous mode, and the net evaporation speed of a water body in the treating pond and the injection speed of the to-be-treated sewage are kept same; S3, the salinity of the water body in the treating pond is adjusted and kept 6 baume to 14 baume, nutrient substances in sewage are used, microalgae, microorganisms and the like are cultured to serve as baits of artemia, artemia in the water body in the treating pond is cultured, and nitrogen and phosphorus eutrophication substances are removed in sewage from water by catching artemia. By means of the method, it is achieved that the eutrophication substances in sewage are efficiently and continuously purified, zero discharging of the eutrophication substances is achieved, artemia produced in the water purifying process is high-quality baits for culturing animals and raw materials in cooperation with feed, and objective economic benefits can be created.
Owner:天津津枫丰年虫科技有限公司
Power generation system of urban garbage pyrolysis and gasification coupled coal-fired power plant
ActiveCN109207178AReduce generationSolve the problem of high temperature corrosionMachines/enginesSpecial form destructive distillationEngineeringHigh-temperature corrosion
The invention discloses a power generation system of an urban garbage pyrolysis and gasification coupled coal-fired power plant, wherein the system comprises a boiler; the boiler drives an electric generator to generate electricity by a steam turbine; the system is characterized by also including a garbage low-temperature pyrolysis system and a garbage drying system. The invention provides the power generation system of the urban garbage pyrolysis and gasification coupled coal-fired power plant. The low-temperature pyrolysis system is used for pyrolysis of the urban living garbage at low temperature, HCl in the urban living garbage can be volatilized and removed, the generation amount of dioxin is reduced from the source, the high temperature corrosion problem of HCl generated in the process of urban living garbage incineration to a coal-fired boiler heated surface is solved, and the safety of heated surfaces of large coal-fired units is ensured.
Owner:SHANGHAI POWER EQUIP RES INST
Industrial wastewater treatment equipment capable of preventing blockage
InactiveCN108421288AAvoid cloggingAvoid pollutionTreatment involving filtrationStationary filtering element filtersEngineeringWater pipe
The invention provides industrial wastewater treatment equipment capable of preventing blockage, and relates to the technical field of industry. The industrial wastewater treatment equipment capable of preventing blockage comprises a wastewater treatment equipment casing, wherein a water inlet pipe is fixedly communicated with the upper part of the inner left wall of the wastewater treatment equipment casing, a chemical inlet pipe is fixedly communicated with the upper part of the inner right wall of the wastewater treatment equipment casing, and a sealing plate is arranged on the lower surface of the wastewater treatment equipment casing. According to the industrial wastewater treatment equipment capable of preventing blockage, a rotating shaft on a motor is arranged to drive a rotatingplate to rotate, so that rubber strips continuously clean the surface of a filter screen, the industrial wastewater treatment equipment is endowed with the function of preventing blockage, and the problem that the current industrial wastewater treatment equipment breaks down easily due to easy blockage in the filtering process when industrial wastewater is purified for preventing environmental pollution is solved.
Owner:杨煜海
Radiation protective paint
InactiveCN106433366AAvoid interferenceAvoid harmAntifouling/underwater paintsPaints with biocides(Hydroxyethyl)methacrylateThermal effect
The invention relates to radiation protective paint which comprises 80-150 parts of flaky graphite powder, 50-80 parts of acetylene carbon powder, 50-100 parts of hydroxy iron powder, 200-300 parts of heavy calcium carbonate, 200-300 parts of dibromoneopentyl glycol, 60-90 parts of magnesium oxide, 60-100 parts of nano-modified pure acrylic emulsion, 0.5-0.8 part of dispersing agents, 20-30 parts of ethylene glycol, 0.5-1.5 parts of antibacterial preservatives, 30-50 parts of poly-hydroxyethyl methacrylate and 0.6-0.8 part of sodium borate. The radiation protective paint is brushed on an inner wall, a ceiling and the ground, radiation waves from all directions of indoor and outdoor places are absorbed, clutter radiation is prevented, and radiation of electromagnetic waves, electrostatic rays, infrared thermal effects and the like can be effectively blocked.
Owner:WEIHAI XINSHENG POWER MACHINERY MFG
Asphalt VOCs waste gas purification device
PendingCN109622225ASolve the purification problemMake the most of heat lossExternal electric electrostatic seperatorIncinerator apparatusProcess engineeringAsphalt
The invention aims to provide an asphalt VOCs waste gas purification device which is used for the waste gas treatment of an asphalt production workshop, and the heat exchange of the heat conduction oil in heat equipment in the asphalt production workshop. The device comprises a high-voltage electrostatic dust removal device, an induced draft fan, a heat accumulating type combustion and heat conduction oil heat exchange device, a desulfurization tower and a chimney. The device has the following advantages: the smell of the VOCs waste gas in the asphalt, and oily and viscous substances in the smoke of the asphalt can be thoroughly and effectively removed. Meanwhile, the device is combined with a conduction oil heat exchanger. The heat transfer oil in the production process is subjected to heat exchange by using the hearth heat of a heat accumulating type combustion device. Due to the fact that the heat exchange efficiency of a regenerative chamber combustion device can reach 95% or above, the problem of waste gas purification is solved. Meanwhile, the use of the boiler in the asphalt production process can be reduced. The purposes of saving energy consumption and achieving clean production are achieved.
Owner:ZHEJIANG ISUAO ENVIRONMENTAL TECH CO LTD
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