25results about How to "Realize resource processing" patented technology

The invention discloses a process and a treatment system for preparing white carbon black by utilizing photovoltaic cell wastewater, which are characterized in that concentrated alkali wastewater in a concentrated alkali regulating tank and part of concentrated acid wastewater in a concentrated acid regulating tank are mixed in a primary mixing tank, and then a primary gelation reaction is carried out through a primary gelation reactor; the method comprises the following steps: preparing concentrated acid wastewater from concentrated acid wastewater, dehydrating the concentrated acid wastewater by a primary dehydration device to obtain coarse gel particles, dissolving the coarse gel particles in an alkali dissolution tank by liquid alkali, mixing the coarse gel particles with the rest concentrated acid wastewater in a secondary mixing tank, feeding the mixture into a secondary gelation reactor for secondary gelation reaction, and supporting the fine gel particles by a secondary dehydration device to obtain fine gel particles. According to the method disclosed by the invention, the yield of silicon-containing sludge in subsequent fluorine removal is reduced, the purity of calcium fluoride sludge is favorably improved, silicon resources in the concentrated alkali wastewater are recycled, and resourceful treatment of the concentrated alkali wastewater is realized.

The invention discloses a preparation method and application of a pellet adhesive, and belongs to the technical field of solid waste resource utilization. Industrial solid waste is dried and ground and then is uniformly mixed with an organic additive to prepare an adhesive, the adhesive is mixed and stirred with dried carbonaceous powder during application, and a pellet finished product is obtained through compaction treatment; the solid waste is converted into the pellet adhesive with proper viscosity and water absorption through the simple preparation method, resource utilization is achieved, a new thought is provided for solid waste resource utilization, the adhesive prepared through the method has better adhesive performance and high pelletizing rate and pellet compressive strength, and the service life of the pellet adhesive is prolonged. The industrial production cost can be greatly reduced, clean production is achieved, energy conservation and emission reduction are achieved, and remarkable economic benefits and social benefits are achieved.

The invention discloses a fly ash and multi-source solid waste plasma melting collaborative resource treatment system and process method, and the system comprises a fly ash stock bin, a fly ash stock bin, a binder storage tank, a material intermediate bin, a glass stock bin, a stirrer, an extrusion forming granulator, a plasma furnace and a control center, normal operation of the whole system is completed through a co-processing mode between fly ash and fly ash, accurate matching, quantitative matching of a binder and coordination and matching of valves of all devices. Resourceful treatment of various solid wastes such as fly ash, fly ash and waste glass bottles is realized, the fly ash and fly ash are mixed to form a low-melting-point mixture, low-temperature generation of a liquid phase is promoted, the melting temperature is reduced, the energy efficiency is improved, the treatment cost is saved, and meanwhile, a stable glass phase is formed; according to the plasma furnace, the raw materials are granulated after being mixed, and the process that powdery materials directly enter the furnace is replaced, so that the problem that slag is difficult to discharge in the plasma furnace is solved, and secondary dust raising is prevented.

The invention relates to the field of buildings, in particular to a reinforced concrete member manufacturing method and a post-cracking bending rigidity calculation method.The reinforced concrete member manufacturing method comprises the following steps that S1, a steel reinforcement framework is fixed to the set position of a concrete pouring mold, and a reinforced area of a concrete body is determined; s2, determining structural parameters of the reinforcing grooves and the reinforcing ribs; s3, the foam board is cut to enable the shape of the foam board to correspond to the shape of the reinforcing groove, and the foam board is fixed to the position, corresponding to the reinforcing area, in the concrete pouring mold; s4, concrete is poured into the concrete pouring mold, a concrete main body is formed after the concrete is cured and solidified, and after the concrete main body is demolded, the internal foam plate is emptied to form a reinforcing groove; and S5, reinforcing ribs are inserted into the reinforcing grooves, the reinforcing grooves are filled with UHPC, and machining of the concrete member is completed after maintenance. The bearing capacity and durability of the reinforcing system are improved, meanwhile, the glass fiber reinforced resin composite material in the retired wind power blade is applied to the reinforcing system, and the reinforcing cost is reduced.

The invention discloses a shaping seedling substrate and a preparation method thereof. The preparation method comprises the following steps: S1, preparing a mushroom residue and chicken manure fermented material; s2, preparing the modified sepiolite; s3, preparation of mixed slurry: uniformly mixing the mushroom residue and chicken manure fermented material in the step S1, peat and the modified sepiolite in the step S2, adding water with the weight 4 times that of the mixture, stirring the mixture to be in a slurry state, then adding a polyurethane prepolymer and a foaming agent solution, and stirring the mixture for 3-5 minutes to obtain the mixed slurry; s4, preparation of the shaping seedling culture substrate: pouring the mixed slurry in the step S3 into a mold, foaming and curing, and then demolding and drying to obtain the shaping seedling culture substrate. The shaping seedling-raising substrate has high porosity and water absorption, proper water-retaining property and air permeability and excellent mechanical properties, and can effectively maintain, regulate and control the content of moisture and nutrients in the substrate, thereby ensuring the growth of plant seedlings.

The invention discloses a method and system for resource utilization of all components of kitchen waste based on thermal hydrolysis, which sorts and crushes the kitchen waste, crushes and separates the water-insoluble solid impurities in the kitchen waste; recycles the separated plastic bags, and makes metal products for recycling after gravity separation; preheats the crushed and sorted kitchen waste and performs low-temperature thermal hydrolysis to separate grease; preheats the crushed and sorted kitchen waste and performs high-temperature thermal hydrolysis to separate bio-oil; configures the aqueous product separated by thermal hydrolysis into leaf fertilizer, and uses the solid residue as a soil conditioner. The invention improves the utilization rate of kitchen waste, reduces the pollution damage to the environment, and realizes the resource utilization of kitchen waste.

The utility model relates to three-stage chamber salt acid-alkali treatment equipment based on electrochemical reaction, which comprises a plurality of three-stage chamber electrochemical reaction units which are communicated with one another, and each three-stage chamber electrochemical reaction unit is provided with three independent chambers which are separated by an electrolytic diaphragm, the three independent chambers comprise an anode reaction chamber, a desalting chamber and a cathode reaction chamber which are sequentially arranged, an anode bar is arranged in the anode reaction chamber, and a cathode bar is arranged in the cathode reaction chamber; water inlets are formed in the side walls of the lower parts of the anode reaction chamber, the desalination chamber and the cathode reaction chamber, water outlets are formed in the side walls of the upper parts of the anode reaction chamber, the desalination chamber and the cathode reaction chamber, and the desalination chamber water inlet is used for allowing salt-containing wastewater to enter and be discharged through the desalination chamber water outlet after the salt-containing wastewater is subjected to desalination treatment in the desalination chamber; the water outlet of the anode chamber is communicated with a strong acid liquid box, and the water outlet of the cathode chamber is communicated with an alkali liquor settling box. The method has the effects of realizing resourceful treatment of the salt-containing wastewater, improving the water treatment efficiency of the salt-containing wastewater and reducing the water treatment cost.

The kitchen waste crushing and sorting all-in-one machine comprises a coarse crushing and feeding system, a feeding system, a fine crushing and sorting system and a discharging system, the feeding system is arranged at the bottom of the coarse crushing and feeding system, and the two sides of the feeding system communicate with the coarse crushing and feeding system and the fine crushing and sorting system; the discharging system is arranged on the fine crushing and sorting system and communicates with the fine crushing and sorting system. In the process, firstly, materials are sharply cut, harm of tough substances is eliminated, then finely-crushed light substances are rapidly discharged upwards under the influence of wind power, some hard substances such as bones are difficult to cut and can be lifted by a spiral-like structure to be discharged, and finally soft organic substances can fall to a breaking hammer cutter on the bottom layer in the cutting process, so that the materials can be broken out. The characteristics that the organic matter is easy to crush and the inorganic matter is low in water content and light in weight are fully utilized, the organic matter and other inorganic matter in the kitchen waste are effectively separated, and resourceful treatment is better achieved.

This invention belongs to the field of comprehensive lithium slag recycling technology, and provides a method for the comprehensive recovery of lithium, rubidium, cesium, niobium, and tantalum from lithium slag. The method includes: magnetically separating lithium slag to obtain niobium-tantalum concentrate and tailings; sequentially roasting and alkali leaching the tailings to obtain leaching residue and leachate; adding a lithium adsorbent to the leachate for lithium adsorption to obtain a lithium-rich adsorbent and a lithium-removed liquid; desorbing the lithium-rich adsorbent to obtain a lithium-containing solution; then adding sodium carbonate to the lithium-containing solution to obtain lithium carbonate; and extracting and back-extracting the lithium-removed liquid to obtain rubidium chloride and cesium chloride. This invention enables the full recycling and utilization of lithium slag, recovering rubidium, cesium, niobium, and tantalum rare metals simultaneously with lithium, achieving resource-based treatment of solid waste. The lithium recovery rate reaches over 90%, and the rubidium and cesium recovery rates reach over 70%. The obtained lithium carbonate can be directly used, and the leaching residue can be directly used as cement raw material, thus improving the comprehensive utilization value of lithium slag.

The invention discloses an electrolytic manganese residue-based active cementing material and a preparation method thereof, and belongs to the technical field of solid waste resource utilization. Raw materials including electrolytic manganese residues, red mud and carbide slag are dried, crushed and evenly mixed and then calcined at the temperature of 1080-1180 DEG C, a calcined product is cooled and ground, and the electrolytic manganese residue-based active cementing material is obtained. The preparation process of the electrolytic manganese residue-based active cementing material meets the requirements specified by the HJ 1241-2022 Technical Specification for Manganese Slag Pollution Control. The performance of the obtained cementing material product meets the requirements of GB / T 18046-2017 Granulated Blast Furnace Slag Powder Used in Cement, Mortar and Concrete S75 slag powder, and the cementing material can replace part of cement to be used in concrete, so that efficient resource utilization of solid wastes such as electrolytic manganese residues and the like is realized.

The invention discloses a composite demulsifier for dehydrating oily scum and a process for treating oily scum, wherein the composite demulsifier is prepared by the following method: S1, preparing porous aluminum-doped manganese dioxide; S2, loading ruthenium-doped carbon dots on Al-MnO2 by a one-pot hydrothermal method to obtain a composite demulsifier. Under the combined action of the composite demulsifier provided by the invention and ultrasound, demulsification with multiple physical and chemical effects can be achieved, thereby promoting efficient dehydration of oily scum. The process for treating oily scum of the invention first alkalizes the scum, and then demulsifies and layers the scum wastewater by combining the composite demulsifier with ultrasound. Under the action of ultrasound, the organic components in the water are degraded by the strong oxidizing ability of the composite demulsifier; the oily scum is separated by three phases, and the oil phase product is recovered, and finally the resource treatment of the scum is achieved, which can reduce environmental pollution, recycle useful resources, and form obvious economic and environmental benefits.

The invention provides a preparation method of sludge-based biochar for directionally enriching iron phosphate through synergistic modification of ferrous sulfate and sodium persulfate, and belongs to the technical field of harmless treatment and resource utilization of municipal sludge and environmental functional materials. According to the method disclosed by the invention, active phosphorus in the sludge is converted into a stable iron phosphorus compound in advance through oxidation-complexation dual effects of the ferrous sulfate heptahydrate and the sodium persulfate; the phosphorus-rich sludge is converted into more stable phosphorus-rich biochar through two-step heat treatment, the whole process of sludge pyrolysis is cooperatively regulated and controlled through Fe < 2 + > / S2O8 < 2->, integration of phosphorus release, phosphorus fixation and heavy metal passivation is achieved, the problem that in the prior art, the phosphorus retention rate is low is solved, phosphorus resources in the phosphorus-rich sludge are extremely retained and stabilized, and the phosphorus-rich sludge is obtained. The fixed rate of phosphorus in the modified sludge-based biochar with directionally enriched iron phosphate prepared by the method is greater than 99%.

The present invention discloses a device for preparing cow mattresses from cow manure, which belongs to the technical field of cow mattress preparation, and comprises: a frame; a solid-liquid separator, which is arranged at the upper part of the frame and is used to remove liquid from cow manure; a mixing unit, which is arranged at the lower part of the frame, the feeding side of the mixing unit corresponds to the discharge end of the solid-liquid separator, and the mixing unit is used to evenly mix cow manure, straw and microbial stock solution; a spiral feeder, which is used to transport the materials mixed by the mixing unit; and a stacking unit, which is arranged below the outlet end of the spiral feeder and is used to ferment and dry the mixed materials. It can achieve zero discharge of cow manure, realize the recycling of cow manure, will not cause secondary pollution to the environment, and realize the resource treatment of manure to the greatest extent.

The invention discloses an oil sludge pyrolysis catalyst and a preparation method thereof, and belongs to the technical field of oily sludge treatment. The preparation method comprises the following steps: (1) pretreating coal coke to obtain modified coal coke; the pretreatment comprises the following steps: firstly, treating the coal coke by using organic acid, and then treating the coal coke treated by the organic acid by using alkali liquor; and (2) mixing the modified coal coke with ferric salt, and then sequentially carrying out solid-liquid separation, drying, calcining and reduction treatment to obtain the oil sludge pyrolysis catalyst. The coal coke is modified in an acid-base sequence, pore channels are opened and functional groups are increased through organic acid treatment, the pore channels are widened and heavy metal impurities are removed through alkali treatment, and the pore structure of the carrier is synergistically improved; then an iron active component is loaded, and the catalytic activity is improved through calcination and hydrogen reduction activation. When the prepared catalyst is used for oil sludge pyrolysis, the oil recovery rate can reach 94% or above, the preparation process is environmentally friendly, and resource utilization of oil sludge is achieved.

The application discloses a treatment method and a conversion device for resource utilization of methanol catalyst production wastewater, and the treatment method comprises the following steps: uniformly mixing anaerobic granular sludge, composite anaerobic bacteria and composite fillers to form mixed fillers, filling the mixed fillers into an anaerobic biological denitrification filter column, making methanol catalyst production wastewater enter the anaerobic biological denitrification filter column from the bottom, and then sequentially performing A / O biological denitrification process and sulfur autotrophic denitrification biological denitrification process on the wastewater after preliminary anaerobic biological denitrification of the wastewater by the mixed fillers. Compared with the prior art, the application realizes rapid treatment of methanol catalyst production wastewater by using the anaerobic biological denitrification filter column. Meanwhile, by combining the A / O + sulfur autotrophic denitrification process, the composite fillers, the anaerobic granular sludge and the composite anaerobic bacteria, rapid reproduction and biofilm formation of microorganisms are realized, and the application has the advantages of efficient denitrification, simple equipment, low operation cost, environmental protection and the like.

The invention discloses a resourceful treatment method for reducing the heavy metal content of coal gangue in the field of resourceful treatment of coal gangue. The ZIF-8 nano particles in the self-made Fe3O4 / ZIF-8 nano composite material have rhombic dodecahedron shapes, Fe3O4 particles are gathered to form approximately spherical clusters, and the ZIF-8 nano particles can be embedded into the porous structure of the Fe3O4 clusters, so that the specific surface area of the composite material is increased, the porous structure and the high specific surface area of the composite material provide a large number of physical adsorption sites, and the adsorption efficiency of the composite material is improved. The heavy metal ions can be adsorbed through Van der Waals' force and other physical adsorption effects, then through biological synergistic treatment with ryegrass, the heavy metal content in the coal gangue is reduced, the heavy metal content of the treated coal gangue is greatly reduced, the coal gangue can be used for preparation of biological organic soil and soil conditioners, and resourceful treatment is achieved.

The invention relates to the technical field of waste resource utilization, and discloses a solar heating kitchen waste gasification hydrogen production copper powder reduction system and method.In the system, a coupling reaction device comprises a supercritical water gasification module and a preheating pipeline supercritical hydrothermal synthesis assembly which are sequentially arranged in a sleeving mode from outside to inside; a solar heat supply module is arranged on the outer side wall of the supercritical water gasification module; the preheating pipeline supercritical hydro-thermal synthesis assembly comprises a supercritical hydro-thermal synthesis module and a preheating pipeline which are sequentially arranged from bottom to top, and the supercritical hydro-thermal synthesis module and the preheating pipeline are of an integrated tubular structure; a palladium membrane is arranged between the supercritical water gasification module and the supercritical hydro-thermal synthesis module, and the supercritical water gasification module and the supercritical hydro-thermal synthesis module are communicated through the palladium membrane; the palladium membrane is arranged between the supercritical water gasification module and the supercritical hydro-thermal synthesis module and used for separating pure hydrogen, the pure hydrogen directly participates in supercritical hydro-thermal synthesis to prepare the superfine copper powder, and preparation of the high-purity superfine copper powder is achieved.

The present invention provides a method for pyrolyzing and recovering glass fiber from retired fan blades and the obtained regenerated glass fiber. The method for pyrolyzing and recovering glass fiber from retired fan blades comprises: (1) removing metal components from retired fan blades and cutting them into blade blocks; (2) placing the blade blocks and a pyrolysis promoter in a pyrolysis reactor to carry out pyrolysis reaction under an inert atmosphere; wherein the pyrolysis promoter is selected from at least one of acetic acid, hydrogen peroxide, organic alcohol, and persulfate; (3) after the reaction, taking out the solid product from the pyrolysis reactor, cooling it, and obtaining regenerated glass fiber. The present invention optimizes and improves the pyrolysis reaction, avoids the influence of pyrolysis carbon after resin pyrolysis on the quality of glass fiber, realizes the reduction, harmlessness, and resource utilization of retired fan blades with simple steps and low energy consumption, and the recovered glass fiber is clean and has good performance, and has both environmental protection and economic benefits.

The invention provides a small solid waste treatment system. The small solid waste treatment system comprises an incineration device assembly, a four-channel water-cooled wall flue assembly, a steel flue assembly, an ash conveying device assembly, a gasification device assembly, a temperature adjusting device assembly and an air duct system. The four-channel water-cooled wall flue assembly comprises a first flue, a second flue, a third flue and a fourth flue; and the first flue, the second flue, the third flue and the fourth flue are communicated end to end to form a snake-shaped flue. By adopting the snakelike design mode of the first flue, the second flue, the third flue and the fourth flue, the flue gas flowing path is prolonged, the heat exchange area is increased, and in combination with the segmented supplement mode of combustible gas generated by the gasification device, the purposes of sufficient combustion and improvement of combustion efficiency and stability are achieved; therefore, the technical effects of enhancing the heat exchange effect of the flue gas and the heated surface and reducing the phenomena of flue gas temperature fluctuation and insufficient combustion are achieved, and the technical problems of short flue gas retention time, insufficient combustion and the like are solved.

The utility model relates to a petroleum oil sludge purification treatment system which comprises an air heating furnace for providing hot air and a drying furnace for drying oil sludge, an air outlet of the air heating furnace is communicated with an air inlet of the drying furnace, an air outlet of the drying furnace is communicated with an oil-water separator, and an oil discharge outlet of the oil-water separator is communicated with an oil storage device. And a gas outlet of the oil-water separator is communicated with a condenser. The petroleum sludge purification treatment system disclosed by the utility model is simple and compact in structure, short in treatment flow, easy to operate and maintain, capable of realizing harmless and resourceful treatment of petroleum sludge, environment-friendly and good in economic effect.

The invention provides a method for treating industrial microbial fermentation waste by feeding hermetia illucens larvae. The method comprises the following steps: (1) mixing the industrial microbial fermentation waste with straw powder; (2) feeding hermetia illucens larvae with the mixture obtained in the step (1) as feed; and (3) separating out hermetia illucens larvae. The method is good in treatment effect and high in economic benefit, has the advantages of being environmentally friendly, safe and low in cost, not only can convert the industrial microbial fermentation waste into the organic fertilizer, but also can obtain high-quality insect protein.

The application provides a resourceful treatment method of sodium chloride-containing waste and polyvinyl chloride waste, and belongs to the technical field of waste treatment. The resourceful treatment method comprises the following steps: mixing sodium chloride-containing waste, polyvinyl chloride waste, a promoter and a solid halogen agent, and performing calcination treatment to obtain calcined material; mixing the calcined material with water, and performing solid-liquid separation to obtain liquid material and solid material; the solid material is recovered promoter; and the liquid material is crystallized to obtain recovered sodium chloride. The resourceful treatment method can remove organic pollutants in the sodium chloride-containing waste, effectively fix the chlorine element in the polyvinyl chloride waste, prevent the chlorine element from escaping, and reduce the harm to the environment.

The utility model discloses a treatment device for treating marigold meal by using hermetia illucens, and relates to the technical field of waste treatment. The device comprises a treatment box body, wherein the treatment box body is of a cavity structure with an opening in the upper end; according to the utility model, through the arrangement of the treatment assembly and the anti-escape assembly, hermetia illucens and marigold meal can be placed in the inner box of the treatment assembly, and the opening end of the treatment box body is blocked by a gauze element in the anti-escape assembly, so that the escape of the hermetia illucens is avoided, and meanwhile, the normal entry of oxygen is ensured; the method comprises the following steps: regularly and randomly selecting hermetia illucens, measuring the weight, length and width of the hermetia illucens, collecting a marigold meal sample before transformation of the hermetia illucens, a transformed fecula sample and a hermetia illucens body after the test is ended, respectively measuring the marigold meal decrement rate, the biotransformation rate, the hermetia illucens body index and the hermetia illucens sand nutrient content, comparing and screening biological combinations with better transformation effects, and determining the biotransformation rate of the hermetia illucens. And a certain theoretical basis is provided for subsequent research and factory treatment.

The invention discloses a preparation method and application of a magnetic carbonized material for wastewater treatment, and relates to the technical field of sewage treatment. The invention relates to a preparation method of a magnetic carbonized material for wastewater treatment. The preparation method comprises the following steps: mixing biomass powder and sludge, and drying; placing the carbonized raw material in a tubular furnace, carrying out first pyrolysis carbonization in a nitrogen atmosphere, and cooling to obtain a carbonized material; preparing a mixture water suspension from the waste residues in the inner bag of the warm paste and the carbonized material according to the mass ratio of 1: 1, and separating the precipitate through an external magnetic field; and putting the precipitate into a muffle furnace, and carrying out secondary pyrolysis carbonization to obtain the magnetic carbonized material. By utilizing Van der Waals' force, hydrogen bonds, pi-pi interaction and other physical effects, antibiotic molecules are adsorbed into pores of the material, meanwhile, the antibiotic molecules and functional groups on the surface of the material are subjected to surface complexation and other chemical reactions, and the antibiotic molecules are stabilized in the structure of the adsorption material, so that the material is high in antibiotic removal efficiency, and the adsorption effect is good. The adsorption rate is high.

This invention discloses a coal underground direct pyrolysis product separation system coupled with oxy-fuel combustion, comprising an air separation unit, pyrolysis product separation equipment, carbon capture equipment, an oxy-fuel combustion boiler, and heaters inside the boiler. The air separation unit provides nitrogen and oxygen for both underground direct pyrolysis and oxy-fuel combustion. The oxy-fuel combustion boiler heats the nitrogen, providing a heat source for the underground coal seam pyrolysis, and also heats the pyrolysis products, thereby removing solid particles through gas-solid separation rather than liquid-solid separation, reducing the difficulty of product separation. The separated pyrolysis gas can be used to reduce nitrogen oxides generated during oxy-fuel combustion. This invention utilizes the heat generated by oxy-fuel combustion to efficiently separate tar from the coal underground direct pyrolysis products, and by coupling the separation of underground direct pyrolysis products with oxy-fuel combustion, improves the system's economic efficiency and reduces nitrogen oxide emissions during oxy-fuel combustion.