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49results about How to "Eliminate churn" patented technology

Method for planting edible fungi and producing artificial grass peat by using cabo

The invention provides a comprehensive utilization method for planting edible fungi and producing artificial grass peat by using waste cabo generated in a tobacco threshing redrying plant as main raw materials. Raw materials forming culture materials are as follows: 60-100 parts of cabo and 1-5 parts of lime or / and plaster; and 1-40 parts of accessories also can be added. A bag cultivation methodis perfectly selected for a planting process, comprising the steps of dosing, bagging, sterilizing, inoculating, culturing and the like. After the harvest, waste residue of the culture materials containing the cabo is directly crushed to be in a puffy fiber, scrap, or powder state , or is crushed after being fermented and decomposed, and then is dried to obtain the artificial grass peat product. The artificial grass peat is mixed with packing materials such as perlite, roseite and the like to obtain plant culture substrate. The invention has centralized and stable raw materials so as to be beneficial to the massive production; the production cost is 1 / 3 lower than the common method; the planted edible fungi is large and thick, green and safe; and the artificial grass peat is prepared by the waste residue so as to realize high-efficiency comprehensive utilization of the waste cabo.
Owner:ZHENGZHOU UNIV

A kind of tobacco matrix composite biopesticide and its manufacturing method

The invention provides a tobacco matrix composite biopesticide and a preparation method thereof. The composite biopesticide which comprises at least a tobacco botanical insecticidal component and at least a microbial insecticidal component is prepared through fermenting insecticidal microbes with selecting a tobacco waste as a raw material. The preparation method comprises the following operationsteps: preparation of a medium, amplification culturing of spawns, fermentation of the biopesticide, and extraction. A fermentation technology can adopt liquid state fermentation or solid state fermentation. The tobacco matrix composite biopesticide of the invention which not only contains the insecticidal microbes and metabolites thereof, but also contains tobacco insecticidal components (nicotine and the like for example) has dual insecticidal effects. The method of the invention which allows resources of the tobacco waste which is not reasonably utilized at present to be fully utilized allows grain resources to be saved, and good economic benefits, ecological benefits and social benefits to be generated.
Owner:ZHENGZHOU UNIV

Granular electrode catalyst stuffing for 3D electrode reactor and its preparing method

The present invention is granular electrode catalyst stuffing for 3D electrode reactor and its preparation process. The electrode catalyst stuffing consists of modified active carbon 60-70 wt% and film coating active carbon 40-30 wt%. The modified active carbon is prepared with active carbon through acid or alkali modification, oxidizing modification and metal supporting modification; and the film coating active carbon is prepared with active carbon through acid or alkali modification and soaking in cellulose acetate solution. The 3D granular electrode stuffing is used in waste water treatment, and has the advantages of great adsorption capacity, fast reaction speed, stable treating effect, etc.
Owner:NANJING UNIV OF TECH

Process of producing instant delicious sea food

InactiveCN1973692AGood promotion valueEnsure safety and health qualityFood preparationEnzymeSea food
The present invention relates to food producing technology, and is especially process of producing instant delicious sea food. The production process includes the steps of washing, steaming and seasoning, packing, pasteurizing, and cold storing. The steaming step deactivates enzyme, the pasteurizing and the cold storing results in long preserving period while maintaining the nutritious components and physiologically active matter. The present invention has the features of simple technological process and low power consumption, and the instant food product has good taste and high nutritious value. The present invention is suitable for producing shrimp, sea cucumber, shell, fish and other instant sea food.
Owner:徐桂军

Multi-function and multi-element water soluble solid concentrated fertilizer

The invention discloses a multi-function and multi-element water soluble solid concentrated fertilizer, which is characterized by comprising the following raw materials with portions by weight: 10 portions to 33 portions of carbonyl diamide, 10 portions to 30 portions of monoammonium phosphate, 15 portions to 35 portions of soluble sylvine, 0.2 portion to 5 portions of sodium pyroborate, 0.1 portion to 1 portion of manganous sulfate, 0.1 portion to 1 portion of copper sulfate, 0.1 portion to 1 portion of zinc sulfate, 0.1 portion to 1.5 portions of ammonium molybdate, 0.1 portion to 1 portion of rare earth and 0.01 portion to 0.5 portion of carboxyl cellulose. The invention has low cost and high nutrient, is practical, ecological and environment-friendly, improves soil fertility and is beneficial to promotion.
Owner:烟台富迪康生物科技有限公司

Biological treatment process technology for MBR (Meane Biological Reactor) membrane of engineering bacteria fed by using activated carbon as carrier

InactiveCN102633401AEliminates the problem of having to drain sludgeLarge specific surface areaMultistage water/sewage treatmentParticulatesSludge
The invention discloses a biological treatment process technology for an MBR (Meane Biological Reactor) membrane of engineering bacteria fed by using activated carbon as a carrier, which belongs to the technical field of sewage treatment, and has the process that a sloping plate sedimentation tank and a sand filter are prepositioned, thoroughly removing particulate matters in inflow water, the length-width ratio of an aeration tank is 3:1, the depth of the tank is 5-6m, an MBR membrane component is placed on the tail end of the aeration tank, an aerating system comprises a plurality of groups of liftable micropore aerator pipes, overhauling and replacement can be carried out at any time without affecting operation of the system when failures occur, the activated carbon adopts 300-mesh powdered carbon, the feeding amount reaches 30-40 percent under the condition of normal water level SV 30, the MBR membrane component adopts a high-quality microfiltration membrane with the hole diameter being 0.1 mum, spoil disposal is not carried out when the system is in operation, aged sludge can be removed through aerobic digestion, and the MBR membrane process adopts a parallel pump to discharge water. The process technology is simple, is stable to operate, is simple to manage, and has low energy consumption, convenience in maintenance, low manufacturing cost, and easiness in adjustment.
Owner:上海集策膜技术工程有限公司

Dense ditch management method

The invention belongs to the field of water and soil loss management and ecological environment restoration, and particularly relates to a technical method for projects, soil fertilizers, plants and agriculture and the like, which is a new water and soil loss management mode with very strong capability of water and soil conservation and ecological restoration and capability of organically combining a complete rainfall infiltration project with a simple and efficient soil fertility cultivation measure through distributing horizontal jumping ditches in a high-density way, centered on improvement of soil fertility for water and soil loss characteristics.
Owner:陈仁河

Shallow pool type nuclear energy low-temperature heating reactor device and running method thereof

The invention discloses a shallow pool type nuclear energy low-temperature heating reactor device and a running method thereof, relates to the technical field of nuclear energy low-temperature heatingreactors and aims to solve the technical problem that the safety and the economy of a conventional swimming pool type low-temperature heating reactor are not ideal and required to be improved. The shallow pool type nuclear energy low-temperature heating reactor device comprises an in-pool main circulating water pump and an in-pool main heat exchanger arranged in a shallow pool; the in-pool main circulating water pump is arranged at the head end of a primary circuit, an inlet of the in-pool main circulating water pump is communicated with the shallow pool, and an outlet is connected with an inlet of a reactor core; an outlet of the reactor core is connected with a primary circuit water inlet in the lower end of the in-pool main heat exchanger. The shallow pool type nuclear energy low-temperature heating reactor device and the running method thereof disclosed by the invention have the benefits that as the full immersion type in-pool main circulating water pump and the in-pool main heatexchanger are adopted, the possibility of large loss of a heat carrying agent in the reactor can be naturally eliminated; as the in-pool main circulating water pump is arranged at the head end of theprimary circuit of the reactor, the pressure in each of the reactor core and the primary circuit, the reactor core outlet temperature, the thermal safety margin of the shallow pool low-temperature heating reactor and the heat transfer capacity of each of the reactor core and the main heat exchanger can be improved under the action of pressurization of the in-pool main circulating water pump.
Owner:肖宏才

Papermaking method

The present invention relates to a papermaking method. The papermaking method comprises the following steps: (a) a cation starch complex agent is added into starch-containing pulping white water or astarch aqueous solution to react, and a modified starch solution is obtained; (b) fibers or paper pulp is added into the modified starch solution and stirred, an adsorption reaction is conducted, andpulp subjected to reaction is obtained; and (c) the pulp subjected to reaction is prepared to form a paper product, wherein the chemical structure of the cation starch complex agent is composed of thefollowing parts: (i) one or more hydrophobic groups and (ii) one or more hydrophilic groups, the one or more hydrophobic groups can react with starch to produce an inclusion complex, and the hydrophilic groups and the hydrophilic groups are located at the two ends of the same molecular structure correspondingly and connected through chemical bonds to form the asymmetrical and polar structure. According to the papermaking method, the adsorption rate of the starch on the surfaces of the fibers or in the paper pulp can be increased, thus the retention rate of the starch in paper is increased, and COD emission is lowered.
Owner:RISINGSTAR BIOTECH GUANGZHOU

Soilless cover material for sanitary landfill of solid waste garbage

ActiveCN104860625ASave landfill spaceAccelerate biodegradationFiberLitter
The invention provides a soilless cover material for sanitary landfill of solid waste garbage. The soilless cover material for sanitary landfill of the solid waste garbage comprises components with parts by weight: water-soluble cellulose polymers 2-25 parts, plant fibers 20-100 parts, clay 10-100 parts, gypsum 5-50 parts and water 500-3000 parts, wherein the water-soluble cellulose polymers is an ionic type, and the plant fibers are an expanded type. The soilless cover material for sanitary landfill of the solid waste garbage is degradable, is about 5%-10% in water penetration rate, also has a certain amount of water permeability, and has great promotion effect for breeding of garbage natural degradation bacteria. The soilless cover material for sanitary landfill of the solid waste garbage eliminates garbage layering after being degraded, enables garbage of a whole landfill to be an entirety, and plays great role for improving garbage density. Compared with other cover methods, the soilless cover material for sanitary landfill of the solid waste garbage has great advantages in cost.
Owner:深圳市五大湖新概念环保科技有限公司

High-frequency ultra pulse three-dimensional semiconductor electrode water treatment reactor technology

The invention relates to a high-frequency ultra pulse three-dimensional semiconductor reactor water treatment technology which can fast decompose or thoroughly carbonize high-concentration hard-degradation organic matters, precipitate and recover heavy metal and oxidize cyanide radicals into N2 and NH3. A square-wave pulse high-frequency ultra pulse generator, a three-dimensional semiconductor electrode and a vertical packed bed type reactor are included, wherein the kernel parameters of the square-wave pulse high-frequency ultra pulse generator are as follows: the output frequency is from 50 Hz to 20 KHz, and the duty ratio d is not less than 25% and not more than 100%; the three-dimensional semiconductor electrode is formed by proportioning modified active carbon, a sintered Al2O3-TiC combination electrode and Mn / Sn / Sb loaded gamma-Al2O3 and CwO2 / Sb2O5 loaded semiconductor active carbon; and the vertical packed bed type reactor is provided with a water inlet at the bottom and a water outlet at the top. The defects of high energy consumption, large occupied area, complex operations, secondary pollution and the like in the prior art are overcome. The water treatment technology is applicable to high-salinity high-concentration hard-degradation organic waste water, and can be applied to the fields of petroleum, chemical industry, pharmacy, dye printing and dyeing, electroplating, papermaking, cultivation, garbage penetrating fluid, brackish water and the like.
Owner:杨守盛

Preparation method for fuel cell compound proton exchange membrane enhanced by using SiO2 three-dimensional ultra-thin membrane

The invention relates to a preparation method for a fuel cell compound proton exchange membrane enhanced by using an SiO2 three-dimensional ultra-thin membrane, comprising the following steps: polymerizing and splitting phase of the epoxy resin and the amine in the polyethylene glycol medium by a certain weight ratio at a certain temperature and obtaining the epoxy resin micro filtering membrane;performing the in situ hydrolysis to the tetraethoxysilane in the template pore channel of the epoxy resin micro filtering membrane, and forming the compound membrane of the three-dimensional SiO2 continuous phase coating epoxy resin; and removing the epoxy resin by high temperature calcination and forming the three-dimensional SiO2 ultra-thin micro pore membrane; and then casting the perfluorinated sulfonic resin solution with a certain amount on the three-dimensional SiO2 ultra-thin micro pore membrane, and heating and volatilizing the solvent; heating under the vacuum atmosphere, and obtaining the compound proton exchange membrane enhanced by using an SiO2 ultra-thin micro pore membrane after washing with de-ionized water. The compound membrane has the structure that the SiO2 and the perfluorinated sulfonic resin are in two-phase continuous interpenetrating polymer network; the SiO2 content is high; the side stability and mechanical performance in wet and dry states are good; and the invention has the characteristics of high moisture holding capability, high-temperature resistance and cell work efficiency at high temperature.
Owner:NINGBO UNIV

Method for rapidly starting up-flow reactor through denitrification

The invention relates to a method for rapidly starting an up-flow reactor through denitrification, which is characterized in that seed sludge of denitrification sludge in a stirring pool outside the up-flow reactor is acclimated to the denitrification sludge, then the denitrification sludge is introduced in the up-flow reactor, the inlet water is introduced in the up-flow reactor, the up-flow reactor is rapidly started for a denitrification reaction; and the stirring pool is a mechanical stirring pool with a mixer. According to the invention, seed sludge of denitrification sludge in the stirring pool outside the up-flow reactor is acclimated to the denitrification sludge, then the denitrification sludge is introduced in the up-flow reactor, then the up-flow reactor is rapidly started, and the problems of floatation and loss of flocculent sludge generated at an initial stage for starting the up-flow reactor can be solved.
Owner:CHINA PETROLEUM & CHEM CORP +1

Method of recycling butanol through tetracycline hydrochloride crystallization mother liquor

The invention relates to a method of recycling butanol through tetracycline hydrochloride crystallization mother liquor, and belongs to the technical field of pharmacy. The method comprises the following steps of: adding sulfuric acid in the tetracycline hydrochloride crystallization mother liquor at room temperature, and then, distilling the mother liquor to obtain a mixture of butanol and water, dewatering the mixture through an organic pervaporation membrane device or inorganic pervaporation membrane device to respectively obtain butanol and dialysate, utilizing the obtained butanol in the extraction process of tetracycline hydrochloride, mixing the obtained dialysate with the residual distillate of the distilling process, distilling to obtain an azeotropic mixture of butanol and water, mixing the obtained zeotropic mixture of butanol and water with the next batch of tetracycline hydrochloride crystallization mother liquor with sulfuric acid, continuing the treatment process, and treating the obtained secondary residual distillate in an environmental protection device. The method provided by the invention has the advantages of simple technique, convenience for operation, energy conservation, emission reduction, high yield and low cost.
Owner:JIANGSU SAIDELI PHARMA MACHINE

Preparation technology of titanium silicon molecular sieve catalyst

The preparation process of Ti-Si molecular sieve catalyst includes the following steps: reacting titanium source in alcohol solution and silicon source template agent solution for 3-15 hr and adding water in 3-8 times the silicon source into the reaction product to obtain colloid solution; reacting the colloid solution through heating in non-steady state program control condition to crystallize; filtering, washing, drying and roasting to obtain white solid catalyst powder. The non-steady state program control condition increases the size of the molecular sieve, and this reduces the filtering resistance greatly, eliminates the loss of catalyst, lowers the production cost and reduces the crushing of catalyst during use.
Owner:EAST CHINA UNIV OF SCI & TECH

Papermaking method

The invention relates to a papermaking method which comprises the following steps: a) adding an anionic starch complexing agent into starch-containing pulping white water or a starch aqueous solutionfor reaction to obtain a modified starch solution; b) adding fibers or paper pulp into the modified starch solution, stirring the solution, and carrying out adsorption reaction to obtain reacted pulp;c) preparing the reacted pulp into a paper product; the chemical structure of the anionic starch complexing agent is composed of i) one or more hydrophobic groups, at least one of which is capable ofreacting with starch to generate an inclusion complex, and ii) one or more hydrophilic groups, wherein the hydrophobic group and the hydrophilic group are respectively positioned at two ends of the same molecular structure and are connected through chemical bonds to form an asymmetric and polar structure. According to the papermaking method, the adsorption rate of the starch on the fiber surfaceor in paper pulp can be increased, so that the retention rate of the starch in paper is increased, and the COD emission is reduced.
Owner:RISINGSTAR BIOTECH GUANGZHOU

Tobacco matrix composite biopesticide and preparation method thereof

The invention provides a tobacco matrix composite biopesticide and a preparation method thereof. The composite biopesticide which comprises at least a tobacco botanical insecticidal component and at least a microbial insecticidal component is prepared through fermenting insecticidal microbes with selecting a tobacco waste as a raw material. The preparation method comprises the following operationsteps: preparation of a medium, amplification culturing of spawns, fermentation of the biopesticide, and extraction. A fermentation technology can adopt liquid state fermentation or solid state fermentation. The tobacco matrix composite biopesticide of the invention which not only contains the insecticidal microbes and metabolites thereof, but also contains tobacco insecticidal components (nicotine and the like for example) has dual insecticidal effects. The method of the invention which allows resources of the tobacco waste which is not reasonably utilized at present to be fully utilized allows grain resources to be saved, and good economic benefits, ecological benefits and social benefits to be generated.
Owner:ZHENGZHOU UNIV

Construction of pichia pastoris genetically engineered bacterium and application of pichia pastoris genetically engineered bacterium in improvement of methanol assimilation rate and fixation of carbon dioxide

PendingCN114634946ALow costSimple operation at the molecular levelFungiMicroorganism based processesPichia membranaefaciensMolecular biology
The invention discloses construction of a pichia pastoris genetically engineered bacterium and application of the pichia pastoris genetically engineered bacterium in improvement of methanol assimilation rate and fixation of carbon dioxide, a methanol metabolic pathway of pichia pastoris is modified, and carbon atom loss caused by carbon dioxide generated by dissimilation is eliminated by knocking out a dissimilatory pathway and reconstructing a reductive glycine pathway, so that the methanol assimilation rate of the pichia pastoris is improved. And the utilization efficiency of carbon atoms is improved. In order to further improve assimilation of methanol and carbon dioxide, preferentially, a pichia pastoris methanol dissimilatory approach is subjected to comparative rational design, the biomass of a bacterial strain subjected to metabolism modification can be improved by 8.7%, and compared with original pichia pastoris GS115, a genetic engineering bacterial strain has the same methanol consumption rate, but has obvious formic acid accumulation which is about 0.66 g / L; furthermore, it is proved that the pichia pastoris genetically engineered bacterium uses more carbon for central metabolism.
Owner:NANJING UNIV OF TECH

Dewatering construction method for near-lake superfine sand soil foundation pit

The invention discloses a dewatering construction method for a near-lake superfine sand soil foundation pit, and belongs to the field of foundation pit dewatering. The dewatering construction method comprises the following steps that: step 1, through calculation, a hole is drilled outside a basement foundation pit superfine sand soil foundation pit slope, the diameter is equal to the diameter of a non-fine concrete pervious pipe plus 600 mm, and the depth determined through calculation must be reached; step 2, non-fine concrete pervious pipes are wrapped with single layer of corrosion-resistant dense-mesh filter cloth; step 3, the non-fine concrete pervious pipes wrapped with the single-layer corrosion-resistant dense-mesh filter cloth are sequentially installed, and the part between every two sections of non-fine concrete pervious pipes is wrapped with double-layer corrosion-resistant dense-mesh filter cloth; step 4, after installation is completed, the periphery of the non-fine concrete pervious pipes wrapped with the single-layer corrosion-resistant dense-mesh filter cloth are filled with a filter material; and step 5, a water pump is installed in each non-fine concrete pervious pipe, and the non-fine concrete pervious pipes are each connected with a drainage pipe. Loss of superfine sand soil in a dewatering process can be eliminated at a time, the dewatering effect is guaranteed, the superfine sand soil at the foundation pit slope can be dried for a long time, and then the stability of the foundation pit slope is guaranteed.
Owner:CHINA MCC17 GRP

Device and method for improving dust removing effect of water-film dust remover

The invention relates to a method for improving the dust removing effect of a water-film dust remover. The method is characterized in that a steam vertical-spraying device is additionally arranged at an inlet pipe of the water-film dust remover. The method has the advantages that fine dust in unsaturated gas is gathered by increase of the steam pressure in dust-containing gas, and the dust is absorbed by action of washing water, so that the dust removing effect of the water-film dust remover is improved, the environment pollution is reduced and the loss of noble-metal dust is reduced.
Owner:威海恒邦化工有限公司

Centrifugal pumps in parallel jointed series

The invention relates to a kind of parallel body-connected series centrifugal pump. It belongs to a water pump. It includes pump shell, pump supporting frame, pump shaft cover-mounted on the pump supporting frame and connected with power device and bearing cover-mounted on the pump shaft and matched with pump supporting frame. Besides, it also includes the components of water inlet, water intake section, water intake cavity, water outlet, water discharge section, water discharge cavity and blade wheel, etc. Said invention also provides the concrete structure of the above-mentioned every component and their connection method.
Owner:赵其林

Underwater sludge waterproof solidification method and solidification device used by same

The invention discloses an underwater sludge waterproof solidification method. Sludge is isolated from an upper water body and then solidified. The invention further provides a solidification device.The solidification device comprises a stirring system, a waterproof system, a curing agent conveying system and a walking system, wherein the waterproof system is used for isolating sludge from theupper water body, the stirring system is used for mixing the isolated sludge with a curing agent, the curing agent conveying system is used for conveying the curing agent into the sludge, and the walking system is used for driving the waterproof system to move. Underwater direct solidification is achieved, and desilting is not needed; the problems of sludge diffusion and curing agent loss causedby stirring are eliminated through waterproof solidification, and the water quality can be improved without desilting.
Owner:CHINA UNIV OF MINING & TECH

Circulating water system of cyclotron and water saving method of circulating water system

The invention relates to system design technology of the cyclotron, particularly to a circulating water system of a cyclotron and a water saving method of the circulating water system. A first water circulating and a secondary water circulating of the circulating water system are all in enclosed structures, and water evaporation and loss in water circulation channels is avoided. Optimization is performed on the system process including water supply and water quality improvement, and concentrated water is fully recycled (about 7tons / per day); about 1.5 tons of water is consumed in a backwashing of a pre-treatment system, a backwashing period is changed in a scientific and reasonable manner, with the conventional powered timing replaced by work timing, and unnecessary backwashing is greatly reduced. By the water saving method, 8tons water is saved per day, at the premise of high-quality quality of the circulating water, waste water drainage is reduced, and long-term, constant and low-cost running of the cyclotron is guaranteed.
Owner:CHINA INSTITUTE OF ATOMIC ENERGY

Method of recycling butanol through tetracycline hydrochloride crystallization mother liquor

The invention relates to a method of recycling butanol through tetracycline hydrochloride crystallization mother liquor, and belongs to the technical field of pharmacy. The method comprises the following steps of: adding sulfuric acid in the tetracycline hydrochloride crystallization mother liquor at room temperature, and then, distilling the mother liquor to obtain a mixture of butanol and water, dewatering the mixture through an organic pervaporation membrane device or inorganic pervaporation membrane device to respectively obtain butanol and dialysate, utilizing the obtained butanol in the extraction process of tetracycline hydrochloride, mixing the obtained dialysate with the residual distillate of the distilling process, distilling to obtain an azeotropic mixture of butanol and water, mixing the obtained zeotropic mixture of butanol and water with the next batch of tetracycline hydrochloride crystallization mother liquor with sulfuric acid, continuing the treatment process, and treating the obtained secondary residual distillate in an environmental protection device. The method provided by the invention has the advantages of simple technique, convenience for operation, energy conservation, emission reduction, high yield and low cost.
Owner:JIANGSU SAIDELI PHARMA MACHINE

Method for planting edible fungi and producing artificial grass peat by using cabo

The invention provides a comprehensive utilization method for planting edible fungi and producing artificial grass peat by using waste cabo generated in a tobacco threshing redrying plant as main raw materials. Raw materials forming culture materials are as follows: 60-100 parts of cabo and 1-5 parts of lime or / and plaster; and 1-40 parts of accessories also can be added. A bag cultivation method is perfectly selected for a planting process, comprising the steps of dosing, bagging, sterilizing, inoculating, culturing and the like. After the harvest, waste residue of the culture materials containing the cabo is directly crushed to be in a puffy fiber, scrap, or powder state , or is crushed after being fermented and decomposed, and then is dried to obtain the artificial grass peat product. The artificial grass peat is mixed with packing materials such as perlite, roseite and the like to obtain plant culture substrate. The invention has centralized and stable raw materials so as to be beneficial to the massive production; the production cost is 1 / 3 lower than the common method; the planted edible fungi is large and thick, green and safe; and the artificial grass peat is prepared by the waste residue so as to realize high-efficiency comprehensive utilization of the waste cabo.
Owner:ZHENGZHOU UNIV
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