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355results about How to "Realize resource processing" patented technology

Anaerobic digestion handling method for restaurant garbage

The invention provides a method for resourceful treatment of restaurant garbage, which is characterized in that the restaurant garbage is completely degraded after treatment with the working procedures of oil separating, preliminary selecting, mechanical crushing, hydraulic pulping, slurry blending, anaerobic fermentation and oxygen-control composting, finally the marsh gas is decomposed via anaerobic digestion and is utilized as energy after desulfurization treatment; the high-quality organic manure is produced from the biogas residues via oxygen-control composting; the separated oil can be recycled as the regenerated industrial raw oil; the wastewater generated in the treatment process can be recycled, and finally the redundant wastewater reaching the standard is discharged after biochemical treatment; and the odor generated by the garbage in the treatment process is directly discharged after reaching the standard via biofiltration treatment, thus the restaurant garbage can be transformed into the clean regenerated energy of electric power and the pollution-free organic manure to completely realize resourceful treatment of restaurant garbage. The resourceful treatment of restaurant garbage has the advantages of innocuity, no peculiar smell, no secondary pollution during the treatment process and realization of harmless and resourceful treatment of restaurant garbage.
Owner:宝林

Recycling treatment device for desulfurized waste water and method thereof

ActiveCN105130084ATo achieve the purpose of resource managementRealize resource processingMultistage water/sewage treatmentReverse osmosisEvaporation
The invention discloses a recycling treatment device for desulfurized waste water and a method thereof. The recycling treatment device is characterized according to the characteristics of the desulfurized waste water, i.e., high-hydrochloric-acid inorganic waste water, a membrane treatment technology and an evaporation and crystallization treatment technology are adopted for carrying out the high-efficiency combined design, and the recycling treatment device comprises a pretreatment system, a membrane concentration treatment system and an evaporation and crystallization treatment system. The method comprises the following steps: firstly utilizing lime, sodium carbonate and a weak-acid bed for softening, and filtering by a cross-flow tube type microfiltration membrane, and removing calcium-magnesium ions and heavy-metal pollutants, then utilizing reverse osmosis and electrodialysis to carry out concentrated reduction on pretreated water, and reusing water produced from the reverse osmosis; finally evaporating and crystalizing concentrated liquid of the membrane concentration treatment system, respectively producing sodium sulfate and sodium chloride for recovering, reusing condensed water, thus achieving the purpose of recycling treatment of the desulfurized waste water. The recycling treatment device and the method disclosed by the invention have the advantages that (1) the softening of the lime, the sodium carbonate and the weak-acid bed is thorough; (2) the reverse osmosis and electrodialysis concentration are high-efficiency and the water produced by the reverse osmosis can be reused; (3) the sodium sulfate and the sodium chloride are respectively recovered from evaporation and crystallization; (4) the recycling treatment of the desulfurized waste water is realized.
Owner:江苏卓博环保科技有限公司

Nitrogen-containing sewage treatment process and device for synchronously producing electricity and recovering nitrogen element

The invention belongs to the technical field of water treatment, and in particular relates to a nitrogen-containing sewage treatment process and device for synchronously producing electricity and recovering a nitrogen element. The device comprises a bioelectrochemical system and a membrane distillation system, wherein the bioelectrochemical system comprises six parts, namely a positive electrode chamber, a positive membrane, a recovery chamber, a negative membrane, a negative electrode chamber, an outer circuit. The process comprises the following steps: entering nitrogen-containing sewage into the positive electrode chamber, carrying out microorganism anaerobic decomposition on pollutants and transferring electrons to a positive electrode, and further transferring the electrons to a negative electrode through the outer circuit so as to achieve electricity production; entering the nitrogen-containing sewage into the negative chamber for aerobic treatment, thus converting ammonia nitrogen into nitrate nitrogen; respectively entering ammonium radical in the positive electrode chamber and nitrate radical in the negative electrode chamber into the recovery chamber through the positivemembrane and the negative membrane under the driving of potential difference; and treating water in the recovery chamber with the membrane distillation system, and refluxing percolate to the recoverychamber, wherein a concentrated liquid is a solution containing high-concentration ammonium nitrate and the like, thereby achieving the recovery of the nitrogen element. The process provided by the invention is simple and has high efficiency and good economic benefits; and the treatment device is simple in structure, and is convenient for practical application.
Owner:INST OF URBAN ENVIRONMENT CHINESE ACAD OF SCI

Aerobic-anoxic-anaerobic integrated module type sewage fast denitrogenation reactor and treatment method thereof

The invention discloses an aerobic-anoxic-anaerobic integrated module type fast denitrogenation reactor for sewage and a treatment method thereof and relates to an integrated sewage treatment device, which is particularly suitable for fast integrated treatment for sewage by denitrogenation technology. The device is designed for solving the problems of complex process, high treatment expense, additional carbon source and regulation of outflow pH, difficult zero discharge and the like existing in aerobic-anoxic-anaerobic denitrogenation sewage treatment. Aerobic-anoxic-anaerobic processes are technically integrated to enable sewage to be always in an alternate aerobic-anoxic-anaerobic environment; an organic carbon source, organic nitrogen and total phosphorus are distributed reasonably to avoid shortage of carbon source during denitrogenation, so that total nitrogen and total phosphorus are converted effectively, the effect of denitrogenation and dephosphorization are improved, and discharged water reaches first discharge standard of Integrated Wstewater Discharge Standard (GB8978-1996). The device is used for treating municipal domestic sewage, especially sewage of middle and small stations along railway lines.
Owner:BEIJING JIAOTONG UNIV

Complex microbial inoculant and method for preparing organic fertilizer by using same

The invention discloses complex microbial inoculant which comprises the following active ingredients: bacillus subtilis, bacillus megatherium, trichoderma koningii, aspergillus oryzae, trichoderma viride, geotrichum candidum, aspergillus niger, rhizopus oligosporus, lactobacillus plantarum CICC20768 and azotobacter chroococcum. Correspondingly, the invention further discloses a method for preparing an organic fertilizer from the complex microbial inoculant. The method comprises the following steps: a. uniformly mixing the complex microbial inoculant with a plant fiber raw material to obtain a fermented raw material; b, composting and fermenting the fermentation raw material; c, drying the composted fermentation raw material to obtain the organic fertilizer. microbes of the complex microbial inoculant have no antagonism, and can effectively cooperate in the production process of the organic fertilizer, and the chemical components of the production raw materials can be sufficiently utilized to finally produce the high-quality organic fertilizer. The produced organic fertilizer reaches the parameter indexes of the standard (NY884-2012) of China, can improve the planting property of soil, is beneficial to optimization of soil microbial flora, and can provide comprehensive nutrients to a plant root system.
Owner:江苏联海生物科技有限公司

Farm crop straw anaerobic fermentation treatment method

The invention relates to a method which adopts anaerobic fermentation technique to make resourceful disposal of the organic compounds such as crop straws and animal droppings. The collected crop straws are cut into small sections no more than 5 cm in length and then sent to a pretreatment system together with the animal droppings to make sizing agent by watering and mixing. The sizing agent is heated to 37positive and negative 2 degrees C, the pH value is adjusted to 6.5 to 7.5 and the solid-containing content of the sizing agent is adjusted to 9.6 to 10.4 percent by water. Then the sizing agent is sent to an anaerobic fermentation tank and then the fermented liquid goes through treatment of solid-liquid separation. The organic fertilizer can be obtained after manuring the solid materials obtained. The liquid separated from the fermented liquid, namely biogas slurry can be used in irrigation of the agriculture and gardening. The marsh gas produced can be used as energy sources after desulfurization treatment. The treatment process has the advantages of no poison, no peculiar smell and no pollution, and achieves the innocent treatment and resourceful disposal of the crop straws and can avoid the bacteria and virus from propagating. The treatment method of resourceful disposal of the organic compounds also has the advantages of good economy and good ecological cycle, so is a green environment-friendly treatment method of organic garbage.
Owner:甘肃驰奈生物能源系统有限公司

Method for resourceful treatment of ammonia chloride wastewaters

The invention relates to a method for resourceful treatment of ammonia chloride wastewaters. The method comprises the following steps: (1) respectively carrying out pretreatment on ammonia chloride wastewater with different concentrations for removing impurities; (2) carrying out reverse osmosis treatment on a clear liquor of the ammonia chloride wastewater, which is obtained in the step (1), with the concentration being lower than 0.5%; (3) mixing obtained reverse osmosis concentrated water with a clear liquid of the ammonia chloride wastewater, which is obtained in the step (2), with the concentration being higher than 0.5% so as to obtain ammonia chloride mixed wastewater; (4) carrying out conventional electrodialysis treatment on the obtained ammonia chloride mixed wastewater so as to obtain electrodialysis fresh water; (5) returning the obtained electrodialysis fresh water, carrying out reverse osmosis treatment the obtained electrodialysis fresh water to obtain electrodialysis concentrated water, and carrying out acid-alkali regeneration on the electrodialysis concentrated water by adopting bipolar membrane electrodialysis; and (6) converting ammonia chloride in the wastewater into hydrochloric acid and ammonium hydroxide by adopting the bipolar membrane electrodialysis to obtain low-concentration ammonia chloride wastewater, simultaneously returning the obtained low-concentration ammonia chloride wastewater and carrying out the conventional electrodialysis treatment on the obtained low-concentration ammonia chloride wastewater. According to the method, the resourceful treatment and the zero emission of the ammonia chloride wastewater can be really achieved.
Owner:JIANGXI INST OF RARE EARTHS CHINESE ACAD OF SCI

Method for continuously producing solid and liquid organic fertilizer by using livestock and poultry feces

The invention discloses a method for continuously producing solid and liquid organic fertilizers by using livestock and poultry feces. The process of the method comprises a solid-liquid separation unit-solid fermentation-a drying unit-a solid product and a liquid fermentation unit-a liquid product. The method specially comprises the following steps of continuously entering solid livestock and poultry feces separated by delivering the livestock and poultry feces into a worm press into a fermentation chamber of a solid fermentation machine for continuous biochemical treatment, and adding thereby trace elements to obtain a solid fertilizer product; entering liquid obtained through solid-liquid separation and liquid which flows out of the solid fermentation machine into a liquid fermentation tank without being subjected to multi-stage continuous biochemical treatment through a fermentation accessory ingredient, and adding the trace element to obtain a liquid fertilizer product. The method disclosed by the invention has the advantages of reasonable process, high automation degree, short production period, 10-20 hours fermentation time, processing cost reduction and no secondary pollution, thoroughly solves the problems of pollution of feces generated due to large-scale livestock and poultry breeding on the environment and demand of crops on organic fertilizers, realizes the recycling treatment and has good economic benefit, social benefit and ecological benefit.
Owner:GUANGXI SANBAO AGRI SCI & TECH

Method of resource protection, decrement treatment of town sewage and sludge

The invention discloses a method of reducing the town sewage and sludge and managing the resource belonging to solid waste treating technical field. The method is provided with following steps: diluting and breaking the dehydrated mud cake by sodium hydroxide solution, and stripping a large amount of organic matter in sludge, getting concentrated sludge and supernatant fluid by centrifugation; dehydrating the former after neutralization and regulation; obtaining a concentrated liquid and a filtered liquid after wind filtering and secondary ultrafiltration of the latter. The supernatant fluid contains lots of sodium hydroxide, and is reflowed to cycle. After disposal, the rate of water content of the dehydrate mud cake is reduced to about 70%, lowering 50% compared to the organic matter content before disposal, and lowering 2/3 of total mass. The concentrated liquid after ultrafiltration is mainly composed of organic matter with a large molecule such as humic acid, and with a low content of heavy metal. The pathogenic bacteria is deactivated which accords to the ''fertilizer utilization criteria'' of Ministry of Agriculture to produce a safe and efficient liquid organic fertilizer. The invention is suitable for the residual active sludge generated from the town sewage treating factory, for digesting the sludge and reducing the composite sludge and for managing the resource.
Owner:TSINGHUA UNIV

Method for preparing high-strength structure material by using iron tailings

A method of using iron tailings to prepare materials with high strength structures belongs to the building material field and relates to a method of using the iron tailings as main raw materials to prepare cementing materials and using the iron tailings as fine aggregate to prepare materials with high strength structures of fine aggregate concrete. Solid wastes are used as aggregate and used to substitute a part of cement to produce materials with ecological structures. Through implementing certain mechanical grinding on the iron tailings and adding a certain amount of slag to substitute a part of cement clinker, ecological mixed cementing materials with perfect performances are prepared through a grinding-mixed grinding process. The ecological mixed cementing materials and the coarse grain iron tailings used as aggregate are mixed to prepare materials with high strength structures. Through the steam curing or the autoclaved condition, materials with high strength structures are obtained, the maximum compressive strength of which reaches to 100MPa above. The materials with high strength structures prepared through the method of the invention has the advantages of natural freestone resources saving performance, high waste utilization ratio, small environmental pollution, low production cost and simple process and can be prepared into various concrete prefabricated parts.
Owner:UNIV OF SCI & TECH BEIJING

Treatment method for mixed organic waste gas containing chlorine, hydrogen chloride and oxynitride

The invention discloses a treatment method for mixed organic waste gas containing chlorine, hydrogen chloride and oxynitride. The method is capable of not only achieving a favorable removal effect on oxynitride, but also achieving a favorable removal effect on chlorine. A condensation unit, an absorbing unit and an adsorption unit are adopted in the treatment method, wherein the condensation unit adopts one-grade condensation; the absorbing unit adopts four-grade absorption; the absorption unit adopts two-grade absorption; waste gas firstly passes through a cooler and a demister of the condensation unit, so that VOCs with relatively high boiling points in the waste gas are cooled as much as possible and then recycled; then the waste gas enters into an aqueous urea solution absorption tower of the absorbing unit, and nitric oxides and chlorine in the waste gas are completely oxidized, reduced, decomposed and absorbed by virtue of a catalytic absorption reaction, so that nitrogen and chlorine are removed; the waste gas with nitrogen and chlorine removal enters into an aqueous falling film solution absorption tower of the absorbing unit, so that by-product hydrochloric acid is obtained; finally, the residual waste gas passes through an absorption tower of the absorption unit, so that the residual VOCs are adsorbed, and thus up-to-standard release is achieved.
Owner:NANJING TECH UNIV

Method for extracting butyraldehyde and butanol mixture and octenal and octanol mixture from waste liquid discharged by butanol-octanol device

The invention relates to a method for extracting a butyraldehyde and butanol mixture and an octenal and octanol mixture from waste liquid discharged by a butanol-octanol device, belonging to preparation methods of acyclic alcohol and acyclic aldehydes, particularly relating to the resource utilization and the treatment of the waste liquid discharged by the butanol-octanol device. The method is characterized by using a C4 fractionating tower system and a C8 fractionating tower system, wherein the butyraldehyde and butanol mixture is distilled off at the top of the C4 fractionating tower, and the octenal and octanol mixture is distilled off at the top of the C8 fractionating tower. The invention provides the method for extracting the butyraldehyde and butanol mixture and the octenal and octanol mixture from the waste liquid discharged by the butanol-octanol device, and the method lightens the wastewater treatment load of the butanol-octanol device, has the advantages of simple treatmentprocess, equipment investment saving and low operation cost and carries out the resource treatment of the waste liquid discharged by the butanol-octanol device so as to fully and effectively utilize the byproducts, such as butyraldehyde, butanol, octenal and octanol, The invention realizes the resource treatment of the waste liquid discharged by the butanol-octanol device.
Owner:淄博诺奥化工有限公司

Horizontally-arranged cylinder rolling type aerobic fermentation apparatus with heat exchange function

The invention relates to a horizontally-arranged cylinder rolling type aerobic fermentation apparatus with a heat exchange function. A horizontally-arranged cylinder fermentation tank is supported by supporting roller sets. Bearings are arranged on left and right ends of the cylinder fermentation tank. The cylinder fermentation tank is connected to left and right side sealing caps through bearing outer rings and bearing inner rings. The fermentation tank, the bearings and the sealing caps form a sealed space. A spiral feeder and an exhaust pipe, and a spiral discharging machine and a gas inlet pipe are respectively arranged on the left and right side sealing caps. A coaxial cylindrical heat exchange water sleeve is arranged outside the cylinder fermentation tank. A motor, a coupler, a speed reducer, and a pinion are sequentially connected. The pinion is engaged with an outer gear ring on the cylinder fermentation tank. The apparatus provided by the invention is advantaged in small land occupation, high fermentation efficiency, and no secondary pollution. The apparatus is not affected by environment factors and low-temperature conditions. A finished product is advantaged in low water content, and can be commercialized as high-quality organic fertilizer. Therefore, excrement reduction, harmless modification and recycling and utilization can be realized. No odor or heat is discharged outside, and an environment protection effect is good.
Owner:HUNAN SCIENTOP AUTOMATIC EQUIP SHARES +1

Ferric phosphate wastewater treatment process and treatment device

The invention discloses a ferric phosphate wastewater treatment process and treatment device, wherein the treatment process comprises the following steps of (1) membrane concentration: ferric phosphate wastewater is subjected to membrane concentration to obtain concentrated water and fresh water, wherein the membrane concentration includes reverse osmosis and / or electroosmosis; (2) evaporation: the concentrated water is evaporated to recycle a nitrogen and phosphorus compound fertilizer; the evaporated concentrated liquid flow backs to the membrane concentration front end for circulation treatment; (3) resin treatment: the fresh water and evaporated condensed liquid are subjected to resin absorption treatment; resin absorption effluent is discharged in a standard reaching way or is reused for production; resin analytical liquid is subjected to membrane concentration treatment. Multistage reverse osmosis and resin absorption treatment are combined; ferric polyphosphate wastewater is subjected to desalination and ammonia and nitrogen removal step by step, so that the insulation capability of the whole treatment process on ammonia and nitrogen is higher; the ammonia and nitrogen discharging standard exceeding of effluent can be effectively avoided.
Owner:绍兴齐英膜科技有限公司

Kitchen waste, municipal sludge and forestry and agricultural residue fermentation tank ultrahigh-temperature aerobic fermentation composting method

The invention relates to the technical field of organic solid waste treatment and renewable energy treatment, in particular to a kitchen waste, municipal sludge and forestry and agricultural residue fermentation tank ultrahigh-temperature aerobic fermentation composting method which comprises the following steps: (1) pretreating; (2) fermenting in a fermentation tank at ultra-high temperature: 1)adjusting physicochemical indexes; 2) building a pile; 3), aerating; 4), turning and throwing; 5), inoculating extreme thermophilic microorganisms; and (3) screening the decomposed material, transporting the undersize material as a finished product, and refluxing and utilizing the oversize material. According to the method, the kitchen waste, the municipal sludge and the forestry and agriculturalresidues are used as raw materials for mixed fermentation, decomposed substances are organic fertilizers and can be reused for soil, and waste is turned into wealth. According to the method, the fermentation temperature exceeds 80 DEG C, the highest fermentation temperature can reach 110 DEG C, the fermentation temperature is high, the fermentation period is short, organic matter decomposition isfast, germs, viruses and worm eggs in the garbage are effectively killed, and garbage reduction, harmlessness and resourceful treatment are fast achieved.
Owner:HUBEI JUNJI WATER TREATMENT

Method for calcining cement by carbide slag replacing whole limestone

The invention relates to a method of using carbide slag to replace all limestone for calcining cement, which belongs to the inorganic non-metallic material technological field. The invention uses the carbide slag as the calcareous raw material and adopts the dry process pre-decomposition cement production technology out of kiln. The invention is characterized in that the carbide slag is used to replace the limestone in 100 percent for calcining the cement clinker, and the invention includes: firstly, the preheating and the pre-decomposition of the carbide slag: a cyclone preheater and a calciner system are adopted for the preheating and the pre-decomposition of the carbide slag green stock; the decomposition temperature of the carbide is 380-550 DEG C, and the outlet temperature of the calciner is 550-750 DEG C; secondly, the coal powder burning and the green stock decomposition: the coal powder and the green stock enter the calciner respectively through a distributor; the adding position and the adding amount of wind, materials and coal of the calciner are controlled; the coal powder is burned at the condition of 850 DEG C above; the green stock is decomposed; thirdly, the materials enter a rotary kiln to be calcined into the cememt clinker. The invention has the advantages of resource saving performance, little CO2 emission, low cost, circular economy, etc.
Owner:TIANJIN CEMENT IND DESIGN & RES INST

Method for performing pig manure resource treatment by utilizing hermetia illucens

The invention discloses a method for performing pig manure resource treatment by utilizing hermetia illucens, belonging to the field of solid waste treatment. The method comprises the following technological steps: (1) mixing pig manure with oilseed meals so as to adjust the water content of pig manure; (2) performing primary fermentation to the mixture by adopting bacillus subtilis, and further fermenting with brewer yeast; (3) feeding black soldier fly Hermetia illucens for raising according to a certain proportion; and (4) after the raising period is finished, collecting the black soldier fly Hermetia illucens and ooze. The method is simple to operate, and fast for pig manure resource treatment process. After conducting the above technological treatment, pig manure and oil seed meals are converted into black soldier fly Hermetia illucens and excreta ooze thereof, the residual tetracycline antibiotics (oxytetracycline, chlorotetracycline and tetracycline) in the pig manure cannot be detected in the black soldier fly Hermetia illucens and ooze. The method not only can solve the problems of pig manure environment pollution, the antibiotics residues, human health damage and the like, but also can provide black soldier fly Hermetia illucens and ooze with rich nutrients for feed and fertilizer industries.
Owner:JIANGSU UNIV
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