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44results about How to "Accelerate solid-liquid separation" patented technology
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Method for preparing protein magnetic blotting nanospheres
InactiveCN101347721AAvoid complicated centrifugationSimplified centrifugation processOther chemical processesPolymerSerum protein
The invention relates to a preparation method of a protein magnetic imprinting nano sphere, in particular to a preparation method of a protein magnetic imprinting nano sphere which takes one of hemoglobin, muramidase or serum protein as template molecules; the preparation method includes the following steps: synthesizing magnetic nano particles which are Fe3O4 nano particles covered with silicon dioxide on the surfaces; carrying out silanization to the amino-groups on the surface of the magnetic sphere; using glutaric dialdehyde to connect protein; using silylation agent to fix the space structure of template protein; alkaline eluting the protein on the surface of the magnetic sphere to form imprinting sites. The hemoglobin, muramidase or serum protein magnetic nano imprinting polymer sphere prepared by the invention combines the precise and specific identification property of molecular imprinting and the quick separation property of the magnetic nano sphere under the action of an external magnetic field, integrates the advantages of molecular imprinting and the magnetic nano sphere, avoids complex centrifugation operation, plays vital roles in the separation of cells, protein and nucleic acid, the detection of biomolecules, tumor diagnosis and medicine targeting therapy and has promising application prospect in the field of isolation analysis.
Owner:NANKAI UNIV
Dewatering whole stillage
ActiveUS7641928B2High solid contentAccelerate solid-liquid separationSludge treatment by de-watering/drying/thickeningWort preparationEnvironmental engineeringChemistry
The present invention relates to a method of dewatering whole stillage comprising subjecting whole stillage to one or more enzymes capable of degrading a whole stillage component and separating the material obtained in step i) into a solid fraction and a liquid fraction.
Owner:NOVOZYMES NORTH AMERICA INC
Anaerobic digestion processing method and apparatus in biogas production process
InactiveCN101434450ASimple processSolve the problem of neglecting the otherBio-organic fraction processingClimate change adaptationSlagNew energy
The invention relates to a process and a device for methane anaerobic digestion treatment, which consists of two parts: anaerobic fermentation gas production, and slag discharge, solid-liquid separation and collection thereof; wherein, the anaerobic fermentation gas production process comprises feed manner, process arrangement, the closure reflux of strains, prolonged fermentation gas production time of organic solids, and the like; the processes of the slag discharge, solid-liquid separation and collection thereof comprises low point fall slag discharge, hydraulic agitation slag discharge, strengthened solid-liquid separation, circulation sedimentation separation, organic filtering material filtering and separation, filtering and draining combined separation, and the like; and the device comprises a honeycomb type anaerobic pool, a circular regulation pool and a circular sedimentation pool thereof. The process and the device have an unique feed manner, an effective slag discharge way, full and strengthened solid-liquid separation, and organic solid recycling with high proportion, particularly, fermented gas production materials after the strengthened solid-liquid separation can be guaranteed, meanwhile, organic material recycling with high proportion and water discharge with low concentration can be realized. The process and the device can effectively combine new energy development, organic fertilizer production and the treatment for environment protection; besides, processes are simple and practical, thus being suitable for popularization.
Owner:LESHAN FOZHOU NEW ENERGY DEV
Method for continuously producing m-aminoacetanilide hydrochloride
ActiveCN108147975ARealize continuous productionIncrease productivityOrganic compound preparationCarboxylic acid amide separation/purificationAcetic acidReboiler
The invention discloses a method for continuously producing m-aminoacetanilide hydrochloride. The method includes (1), pumping m-phenylenediamine and mother liquor into a mixer by the aid of meteringpumps according to a mass ratio of 1:4-10, mixing the m-phenylenediamine and the mother liquor with each other to obtain mixtures A, heating the mixtures A by heat exchangers and reboilers, then feeding the mixtures A into a reactor, continuously adding acetic acid and hydrogen chloride gas into the reactor and generating mixtures B with m-aminoacetanilide hydrochloride finished products; (2), cooling the mixtures B by heat exchangers and coolers, separating the mixtures B to obtain the m-aminoacetanilide hydrochloride finished products and mother liquor and collecting and reusing the mother liquor. The method has the advantages that the m-aminoacetanilide hydrochloride can be continuously produced by the aid of the method, the production efficiency and the product quality can be improved,and the labor cost and the production cost can be reduced; heat exchange can be carried out on reaction materials by the aid of heat of finished product materials, accordingly, reaction waste heat can be effectively utilized, the usage of coolants for cooling and crystallizing the finished product materials can be decreased, and m-aminoacetanilide hydrochloride production energy consumption can be reduced.
Owner:ZHEJIANG DIBANG CHEM
Dewatering Whole Stillage
ActiveUS20080257821A1High solid contentAccelerate solid-liquid separationWater/sewage treatment by centrifugal separationSludge treatment by de-watering/drying/thickeningSolid fractionEnzyme
The present invention relates to a method of dewatering whole stillage comprising subjecting whole stillage to one or more enzymes capable of degrading a whole stillage component and separating the material obtained in step i) into a solid fraction and a liquid fraction.
Owner:NOVOZYMES NORTH AMERICA INC
Method for accelerating solid-liquid separation of nanometer particle suspension
InactiveCN103232102AAccelerate solid-liquid separationEasy to operateWater/sewage treatment by flocculation/precipitationTurbidityWater quality
The invention relates to a method for accelerating the solid-liquid separation of a nanometer particle suspension, and belongs to the technical field of wastewater treatment. The invention provides the method for accelerating the solid-liquid separation of the nanometer particle suspension for solving the problems that the nanometer particle after a nanometer material is applied to treating wastewater is difficult to settle and therefore the quality of treated water is influenced. An organic polymer flocculant polyacrylamide (PAM with the molecular formula C3xH5xNxOx) is fed into the nanometer particle suspension; under the actions of adsorption bridging, weep flocculation and the like of the PAM, the nanometer particle and the PAM are subjected to mixing and flocculation steps to form a floc which is large in particle size and easy to settle so as to accelerate the settlement of the nanometer particle; solid-liquid separation is achieved under the action of gravity; nanometer particle residue amount in supernatant fluid is reduced; the turbidity of the treated water is significantly reduced; and the quality of the treated water is ensured. The separation method provided by the invention is simple in operation, low in cost, and suitable for the solid-liquid separation of the nanometer particle containing suspension, such as the suspension generated when the nanometer material is applied to treating water pollution.
Owner:TONGJI UNIV
Deep dewatering conditioning method of colistin sulfate residues
The invention discloses a deep dewatering conditioning method of colistin sulfate residues. Acid is added for reducing the pH value at normal temperature, so that the liquidity is enhanced; a polyamine serves as a dispersant to reduce the viscosity of colistin sulfate residues; PAC and the polyamine are used together so as to reduce the application amount of polyamine, and the PAC also serves as a floc skeleton to improve the hardness of filter residues; due to the purging and trapping functions of CPAM, tiny flocs in colistin sulfate residues can be condensed to carry out effective solid-liquid separation, so that the filtration velocity of residue dewatering is improved, filter liquor enters a filter-press device for filter-pressing, then the filter liquor is introduced into a biochemical treating pond to be treated, filter residues are discharged, and the water content is detected. The water content of dry colistin sulfate residues treated by using the method disclosed by the invention is not higher than 60%; because the water content is low, the secondary drying is facilitated, and the water content of colistin sulfate residues can be reduced to 45-50% after the colistin sulfate residues are naturally dried with air for 1-2 days, therefore, the method is applicable to the large-scale production of low-cost minimization treatment of colistin sulfate residues.
Owner:SHANDONG LUKANG ZHONGHE ENVIRONMENTAL PROTECTION TECH
Plasmid extraction device
PendingCN111808716AAccelerate solid-liquid separationFast extractionBioreactor/fermenter combinationsBiological substance pretreatmentsPhysical chemistryChromatographic column
The invention relates to the technical field of molecular biology, in particular to a plasmid extraction device. The device comprises a cracking container, a precipitation container, an eluate container, a collection container and a chromatographic column, the cracking container is communicated with the precipitation container through a first connecting pipe, the precipitation container is communicated with the chromatographic column through a second connecting pipe, the eluate container is communicated with the chromatographic column through a third connecting pipe, valves are arranged on thefirst connecting pipe, the second connecting pipe and the third connecting pipe, the collection container is arranged below the chromatographic column, and the chromatographic column is connected toa vibration mechanism. By arranging the vibration mechanism, the chromatographic column can generate slight vibration during separation, so that solid-liquid separation in the chromatographic column is accelerated, and the extraction speed of plasmids is increased.
Owner:HUZHOU XINGCHUANG ECOLOGICAL TECH CO LTD
Spiral conveying device with mud filtering function
ActiveCN107288560ASimple structureInnovative designSpecific fluid pumpsPump componentsCouplingElectric machine
The invention relates to a spiral conveying device, in particular to the spiral conveying device with a mud filtering function. The spiral conveying device comprises a material trough, a transmission shaft and blades. One end of the transmission shaft extends to the outer end of the front part of the material trough, and the transmission shaft which extends to the outer end of the front part of the material trough is provided with a rotating head in a sealing mode; and the other end of the transmission shaft extends to the outer end of the tail part of the material trough, and the transmission shaft which extends to the outer end of the tail part of the material trough is connected with a power motor through a coupling. According to the spiral conveying device, during the conveying process of drilling mud, solid and liquid separating for the drilling mud can be effectively conducted; the problems that the existing solid controlling device is high in purchasing cost and long in period of separating process, a sieve is likely to be blocked, and maintenance and repair are inconvenient are solved; by the spiral conveying device, the solid and liquid separating efficiency is significantly improved; meanwhile, the spiral conveying device has the characteristics of being low in cost, short in process period and easy to maintain and repair, and has positive popularizing meanings for reducing the purchasing cost of the existing solid controlling device and improving solid and liquid separating of the drilling mud.
Owner:YANGTZE UNIVERSITY
Extracting method for lincomycin hydrochloride
ActiveCN109942646APrevent thermal degradationIncrease component contentSugar derivativesSugar derivatives preparationFlocculationFiltration
The invention provides an extracting method for lincomycin hydrochloride. The method comprises the steps that S1, a lincomycin fermentation solution is subjected to micro-filtration and nano-filtration, and then a water phase concentration solution is obtained; S2, after the water phase concentration solution is subjected to alkalization treatment, comprehensive flocculation impurity removal is performed, a disc filter performs centrifuging, an alkalization clean solution is extracted by an extraction agent, and an extraction solution is obtained; S3, the concentration solution is concentratedand acidified to be subjected to a reaction for crystallization, and lincomycin hydrochlorid is obtained. Micro-filtration is adopted sequentially for performing solid-liquid separation and nano-filtration of the fermentation solution to obtain the water phase concentration solution, after comprehensive impurity removal, the extraction agent is adopted for extraction, and concentration, acidification and crystallization are performed to obtain lincomycin hydrochlorid. The production process is high in automatic degree, continuous and reliable, the production period is short, and meanwhile theproduct quality is improved.
Owner:HEC PHARM
Method for iron internal electrolysis treatment of hard-degradation organic wastewater strengthened by magnetic catalyst and used fillings thereof
InactiveCN101671068BEnhanced Corrosion ReactionIncrease the closeness of contactWater/sewage treatment by magnetic/electric fieldsInorganic material magnetismCopper platingMicroparticle
Owner:CENT SOUTH UNIV
Polishing waste slag recycling method and facility used by method
ActiveCN106348406AAvoid cloggingAchieve maximum fitnessSludge treatment by de-watering/drying/thickeningWater/sewage treatment by flocculation/precipitationSludgeFiltration
The invention discloses a polishing waste slag recycling method which comprises the following steps: settling, screening, pressure filtration and utilizing, wherein the screening step comprises the process of sequentially passing the settled slurry through a 6-20-mesh screen, a 40-60-mesh screen and a 110-130-mesh screen. The polishing waste slag recycling facility comprises a polishing wastewater output tube, a flocculant output tube, a settling tank, filter screens, scrapers and a filter press. By using the polishing waste slag recycling method, the flocculant added into the settling tank accelerates the solid-liquid separation of the polishing wastewater; the settled slurry is subjected to layered screening, thereby enhancing the screening efficiency and avoiding the problem of screen blockage caused by the settled slurry; and the settled slurry is recycled for different purposes by different screening ways, thereby implementing the maximum-applicability reutilization on the waste.
Owner:QINGYUAN NAFUNA CERAMICS +2
Mobile type environment-friendly and energy-saving restroom
ActiveCN109138516AEasy to moveSave waterRotary stirring mixersTransportation and packagingWater useWater resources
The invention discloses a mobile type environment-friendly and energy-saving restroom, and relates to the field of sanitary equipment. Themobile type environment-friendly and energy-savingrestroom solves the problems of an existing restroomsuch as inability of moving, waste of water resources,insufficiency of environment protection and the like. The mobile type environment-friendly and energy-saving restroom comprises a device body, flush toilets, a stirring area, a separating plate and a cleaning box, wherein the flush toiletsare arranged at the bottom of the device body. The flush toiletsareconnected with the stirring area through pipes, the cleaning box is arranged in the middle ofthe left wall inner surfaceof the device body, and the middle of the bottom of the cleaning box communicates with a U-shaped pipe. A pump is arranged at the center of the transverse part of the U-shaped pipe, the middle of the transverse part of the U-shaped pipe communicates with the upper end of a waterinlet pipe, and the outer portionofthe lower end of the water inlet pipe is connected with a water inlet hopper. The invention further discloses an operating system based on PLC control. The mobile type environment-friendly and energy-saving restroom is movable and is convenient to move, and meanwhile, water used for restroom flushing is recycled, so that the water resource is saved efficiently;and meanwhile power is supplied through solar panels, so that energy is saved.
Owner:大庆市地油石油机械有限公司
Methods and Apparatus for Solid Liquid Separation
InactiveUS20150090594A1Reduce consumptionAccelerate solid-liquid separationElectrostatic separatorsLiquid separation by electricityMagnetic tension forceFiltration
Described herein are methods and apparatus for solid-liquid separation with high efficiency, especially in treating spent filter backwash and sedimentation tank sludge produced in the water treatment process. It combines and applies gravity, electromagnetic force, dynamic filtration, and gravity condensation, magnetic and gravitational compression in one integrated device that produces high quality effluent water (less than 10 ppm suspended solid) and highly condensed sludge (less than 94-96% water content).
Owner:SHANGHAI YUANQING ENVIRONMENTAL PROTECTION ENG
Methods and apparatus for solid liquid separation
InactiveUS9822022B2Reduce consumptionAccelerate solid-liquid separationSludge treatment by de-watering/drying/thickeningSpecific water treatment objectivesMagnetic tension forceFiltration
Described herein are methods and apparatus for solid-liquid separation with high efficiency, especially in treating spent filter backwash and sedimentation tank sludge produced in the water treatment process. It combines and applies gravity, electromagnetic force, dynamic filtration, and gravity condensation, magnetic and gravitational compression in one integrated device that produces high quality effluent water (less than 10 ppm suspended solid) and highly condensed sludge (less than 94-96% water content).
Owner:SHANGHAI YUANQING ENVIRONMENTAL PROTECTION ENG
Intelligent all-tailing sand thickener device and system
PendingCN113509753AEfficient dehydrationImprove the level of intelligenceSettling tanks feed/dischargeSedimentation settling tanksControl cellProcess engineering
The invention relates to an intelligent full-tailing sand thickener device and system. The intelligent full-tailing sand thickener device and system comprise an on-line monitoring module, a tailing sand dehydration module and an intelligent control module which are arranged on a rack, and the online monitoring module comprises a data acquisition unit, a core control unit and an execution adjustment unit; and the tailing sank dehydration module comprises a bottom transmission type thickener, a flocculant adding unit, an underflow regulation and control unit and a tailing slurry adding unit; the intelligent control module comprises a data import unit, a data processing unit, an intelligent prediction unit and a result output unit, and the online monitoring module, the tailing sand dehydration module and the intelligent control module are sequentially connected in series. The device and system have the beneficial effects that tailing sands are efficiently dehydrated, and power consumption is effectively reduced; the intelligent level of a tailing sand thickening technology is remarkably improved, the hysteresis of operation regulation and control of the thickener can be effectively shortened, the response speed of a tailing sand thickening system is improved, the manual work amount is reduced, and the process cost is reduced.
Owner:JCHX MINING MANAGEMENT
Wet paint spray booth treating agent
InactiveUS6262012B1Promote aggregationAccelerate solid-liquid separationInorganic/elemental detergent compounding agentsOrganic detergent compounding agentsChain structurePolymer
A wet paint spray booth treating agent includes sepiolite alone or further accompanying cationic polymer or amphoteric metal compound. In a method of treating a wet paint spray booth, the sepiolite alone or further accompanying the cationic polymer or the amphoteric metal compound is added. The wet paint spray booth treating agent and a method of treating a wet paint spray booth improve the effect of reduction in tackiness and decrease the load of agents to prevent the corrosion of furnishings. The sepiolite is a fibrous mineral containing chain structures having lots of micropores so that the sepiolite can reduce the tackiness of the paint due to reaction with the particles of the paint in such a manner to adsorb the particles in the micropores thereof. Since both the particles of the paint and the particles of the sepiolite are negatively charged, when the cationic polymer or the amphoteric metal compound is added in combination with the sepiolite, the electrical repulsion is reduced so that the particles of the paint become easy to be adsorbed to improve the effect of the reduction in the tackiness.
Owner:KURITA WATER INDUSTRIES LTD +1
Solid-liquid separation device
ActiveCN106492521AFacilitate solid-liquid separationSave energyCentrifugal force sediment separationFlocculationSmall footprint
The invention discloses a solid-liquid separation device which comprises a sedimentation tank. A water incoming pipe is arranged above one side of the sedimentation tank, a water outgoing pipe is arranged below the other side of the sedimentation tank, a blow-off pipe is arranged at the bottom of the sedimentation tank, a solid-liquid separator is arranged below the water incoming pipe, a first water pipe and a second water pipe are arranged at the bottom of the solid-liquid separator oppositely and communicated with the water incoming pipe, and centers of the first water pipe and the second water pipe are not on a same straight line; a separation portion is arranged in the solid-liquid separator, stabilizing portions are arranged above and below the separation portion, a spindle penetrates the stabilizing portions, circumferential rotating direction of the spindle in the stabilizing portions is unlimited, a cant board portion is arranged on the spindle and provided with a triangular board, a whirling portion is arranged below the cant board portion, and the first water pipe, the second water pipe and the whirling portion are arranged in a same plane. The solid-liquid separation device has the advantages of small occupied space, quickness in flocculation and conservation of energy sources.
Owner:FUJIAN SANJING ENVIRONMENTAL PROTECTION FACILITY & TECH
Method for processing sludge
InactiveCN108585437AImprove dehydration effectImprove utilizationSludge treatment by de-watering/drying/thickeningAcetic acidAmmonium bromide
The invention discloses a method for processing sludge. The method uses a combination of aluminum ash processed by a uniformly-mixed liquid of cetyl trimethyl ammonium bromide and octadecyl dimethyl benzyl ammonium chloride and acetic acid to process the sludge. According to the method disclosed by the invention, the sludge processed by the acetic acid and the modified aluminum ash has a greatly-improved dehydration rate, and the moisture content of the dehydrated sludge can be reduced to 45% or less; the production process is simple to operate, the production costs are low, the waste resourcealuminum ash is fully utilized for sludge treatment, so that the method reflects the environmentally-friendly concept of processing waste by waste; the content of heavy metals in the sludge is reduced while the dehydration effect of the sludge is improved; and at the same time, the process promotes recycling of waste resources, and has broad application prospects and good market prospects.
Owner:KUNMING UNIV OF SCI & TECH
Efficient solid-liquid separator
The present invention discloses a high-effective solid-liquid separator formed of external cylinder, internal cylinder, cone body, Rasching ring, macropore screen, filter screen, mixing propeller, motor and packing particles. Said invention possesses the following advantages: its design is reasonable, structure is compact, reaction zone, separation zone and sludge-concentrating zone are placed in one cylinder body to eliminate unavailable space in the equipment, and minimize its volume, its cost is low and convenient for moving and operation, can effectively raise solid-liquid separation efficiency and can ensure that the treated water can reach the high water quality requirements.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Method for recycling polishing waste slag and equipment used therefor
ActiveCN106348406BAvoid cloggingAchieve maximum fitnessSludge treatmentWater/sewage treatment by flocculation/precipitationSludgeFiltration
Owner:QINGYUAN NAFUNA CERAMICS +2
A method for preparing biological flocculant by using biological iron-calcium slag in biological heap leaching
ActiveCN113968610BRaise the ratio of iron to calciumLower calcium levelsSolid solvent extractionWater/sewage treatment by flocculation/precipitationPregnant leach solutionFiltration
Owner:CHANGSHA SCI ENVIRONMENTAL TECH
Waste collecting device for operating room nursing
The invention discloses a waste collecting device for operating room nursing, which comprises a box body, wherein the box body is internally provided with a collecting box, a cavity, which is located on the lower portion of the collecting box, of the box body forms a liquid accumulation cavity, a liquid channel is formed in the inner side wall of the box body, a liquid outlet is formed in the lower end of the liquid channel, a swing baffle is arranged in the box body, a liquid inlet is formed in the side wall of the liquid channel, the upper area of the upper surface of the swing baffle is communicated with the liquid inlet, the swing baffle is obliquely arranged, a limiting plate is arranged on the side wall of the box body, the swing baffle is provided with a liquid discharging position and a material discharging position, an extrusion plate is arranged on the lower end face of the swing baffle, a torsional spring is connected between hinge points of the extrusion plate and the swing baffle, and when the torsional spring has no torsion, the extrusion plate and the swing baffle form an angle of 40-60 degrees, and the width of the extrusion plate is not greater than the distance between the hinge point of the extrusion plate and the free end of the swing baffle. Solid-liquid separation of medical waste can be facilitated, medical waste checking after an operation can be facilitated at the same time, and errors are avoided.
Owner:驻马店市第一人民医院
Treatment method for wastewater produced during flue gas desulphurization through alcohol-amine process
InactiveCN102531247BLow priceEasy to getWater/sewage treatment by ion-exchangeWaste water treatment from gaseous effluentsChemical oxygen demandFlue gas
The invention discloses a treatment method for wastewater produced during flue gas desulphurization through an alcohol-amine process, belonging to the field of wastewater treatment. The treatment method comprises the steps of: 1) taking wastewater, regulating pH value to 5.5-6.5, adding bentonite, agitating for reaction, settling, separating and taking supernatant liquor; and 2) taking the supernatant liquor obtained in the step 1, adding Fenton reagent, agitating for reaction for 2-2.5h and filtering. The treatment method is used for treating wastewater with high alcohol-amine concentration produced during the flue gas desulphurization through the alcohol-amine process, and has the advantages that the treatment efficiency is high, the application scope is wide, the chemical oxygen demand(COD) of the treated wastewater is obviously decreased and the treated wastewater can enter biochemical treatment devices for common production wastewater or urban wastewater.
Owner:ZHEJIANG TIANLAN ENVIRONMENTAL PROTECTION TECH
Waste scrap flushing mechanism
PendingCN108161557AAccelerate solid-liquid separationEfficient use ofMaintainance and safety accessoriesRefluxNumerical control
The invention discloses a waste scrap flushing mechanism. The waste scrap flushing mechanism comprises a machine tool device, wherein a waste discharge board is arranged under a high pressure drain pipe on the machine tool device, and one end of the waste discharge board is connected with an automatic waste discharge machine. The automatic waste discharge machine is provided with an automatic conveyor belt and a filter net, the bottom of the automatic waste discharge machine is provided with a flushing liquid reflux tank and a drainage board, and the high pressure drain pipe is provided with ahigh pressure flushing port. The waste scrap flushing mechanism utilizes high-pressure liquid to flush waste scrap on the waste discharge board into the automatic waste discharge machine, and the automatic waste discharge machine quickly separates solid and liquid. In addition, the flushing liquid is an emulsified coolant used in the processing of numerical control machine tools, one thing can beused for multiple purposes, and resources are used efficiently.
Owner:广州德力数控设备有限公司
A solid-liquid separation device
ActiveCN106492521BFacilitate solid-liquid separationSave energyCentrifugal force sediment separationFlocculationSmall footprint
Owner:FUJIAN SANJING ENVIRONMENTAL PROTECTION FACILITY & TECH
Preparation method of silage leach liquor and application in silage detection
ActiveCN107912614APH has little effectPromote dissolutionAnimal feeding stuffAmmoniacal nitrogenOrganic acid
The Invention discloses a preparation method of silage leach liquor, which is particularly practiced by mixing and immersing sterilized distilling water with silage; performing sonic oscillation afterlow-concentration hydrochloric acid treatment; filtering by a filter membrane, wherein the filter fluid is the silage leach liquor. Besides, the invention further provides an application of silage leach liquor prepared by the preparation method in the silage detection. Diluted hydrochloric acid with 1% of mass concentration is added during the preparation process of silage leach liquor; on the one hand, the low-concentration diluted hydrochloric acid can promote the complete dissolution of fermenting indexes in the silage such as organic acid and ammoniacal nitrogen; on the other hand, the viscosity between the silages is weakened after being treated by hydrochloric acid, the solid and fluid can be separated rapidly in the process of filtering by adopting the filter membrane, thereby greatly shortening the experimental operation time and saving labor force and lab consumables.
Owner:INNER MONGOLIA AUTONOMOUS REGION ACAD OF AGRI & ANIMAL HUSBANDRY SCI
Method for preparing biological flocculant by using biological iron-calcium slag in heap biological leaching
ActiveCN113968610ARaise the ratio of iron to calciumLower calcium levelsSolid solvent extractionWater/sewage treatment by flocculation/precipitationPregnant leach solutionSlag
The invention discloses a method for preparing a biological flocculant by using biological iron-calcium slag in heap biological leaching. Iron in the biological iron-calcium slag is leached and concentrated by using the biological iron-calcium slag generated in a low-grade copper ore hydrometallurgy heap biological leaching process. The method includes the following three main steps: (1) pre-separation of iron and calcium: mixing the biological iron-calcium slag with raffinate in proportion to obtain iron-rich raffinate, and then adding limestone for neutralization to obtain biological iron-rich slag; (2) multi-stage countercurrent leaching: carrying out circulating countercurrent leaching on the biological iron-rich slag in the system through two-stage serial leaching tanks; and (3) colloid destabilization and separation: sequentially carrying out ultrasonic destabilization and high-temperature viscosity reduction on the mixed solution, and then carrying out filter pressing to obtain the biological flocculant. The production cost is low, the iron concentration in the leachate is larger than 100 g / L, the flocculant can be used as a biological flocculant, the problem of accumulation of biological iron-calcium residues of enterprises is solved, the environmental protection risk and pressure are reduced, and meanwhile economic benefits are created for the enterprises.
Owner:CHANGSHA SCI ENVIRONMENTAL TECH
Deodorization equipment for garbage treatment device
InactiveCN113750763AImprove deodorizing effectAvoid chemical breakdownDispersed particle separationProcess engineeringRefuse Disposals
The invention discloses deodorization equipment for a garbage treatment device. The deodorization equipment comprises a box body, a top cover plate, a screening mechanism and a mixing mechanism; a deodorization assembly is mounted on one side of the box body; the deodorization assembly is composed of a liquid storage box, a liquid conveying pipe and a spray head; the liquid storage box is arranged on one side of the box body, a liquid inlet is formed in the top end of the liquid storage box, the liquid conveying pipe is fixedly connected to the bottom end of the liquid storage box, and the spray head is fixedly connected to the output end of the liquid conveying pipe; the top cover plate is mounted at the top end of the box body; the screening mechanism is arranged on one side of an inner cavity of the box body; and the mixing mechanism is arranged on the other side of the inner cavity of the box body. The deodorization equipment has the beneficial effects that through the design of the deodorization assembly and a crushing and stirring mechanism, a garbage deodorant is sprayed to garbage in the garbage crushing and stirring process, so that the garbage deodorant can make full contact with the garbage, the garbage and the garbage deodorant can be fully mixed, and the deodorization effect of the garbage is improved.
Owner:唐纪会
Method for treating livestock farm wastewater through biological flocculation-electrodialysis and application of method
PendingCN114380459AGood flocculation effectAccelerate solid-liquid separationWaste water treatment from animal husbandryMultistage water/sewage treatmentThiobacillus ferrooxidansBiology
The invention discloses a method for treating livestock farm wastewater through biological flocculation-electrodialysis and application of the method, and belongs to the field of wastewater treatment. The method comprises biological flocculation treatment and electrodialysis treatment, specifically, firstly, livestock and poultry breeding wastewater is used as a culture medium, bacterial liquid of specific thiobacillus ferrooxidans and aspergillus niger which are subjected to propagation culture is used as a biological flocculation bacterial agent, the wastewater is subjected to biological flocculation treatment, and through the combined action of adsorption bridging, electric neutralization, net capturing and the like, the wastewater is subjected to electrodialysis treatment. SS in the wastewater is rapidly gathered together to become large-particle aggregates, COD, TP and the like in the wastewater are reduced, after deep solid-liquid separation, COD, TP and other substances in the original wastewater are recycled into solid residues, the obtained clear wastewater is treated through an electrodialysis treatment process, nitrogen, potassium and other substances are further efficiently recycled into concentrated water, finally, fresh water reaches the standard, and the wastewater is recycled. The method not only has the advantages of efficiently recovering nutrients and reducing carbon and pollution, but also can avoid the problem of secondary pollution to the atmospheric environment caused by greenhouse gases such as CH4 and CO2 generated in the existing water treatment process.
Owner:NANJING AGRICULTURAL UNIVERSITY
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