42results about How to "Achieve "zero" addition" patented technology

The invention discloses a water-based metal detergent which is composed of the following components in percentage by mass: 1-5% of anionic surfactant, 1-10% of nonionic surfactant I, 1-10% of nonionic surfactant II, 1-10% of nonionic surfactant III, 2-5% of corrosion inhibitor, 1.5-2.2% of assistant, 20-30.3% of organic alkali, 0.3-0.83% of defoaming agent and the balance of water. The higher-turbidity low-foam surfactants are introduced to effectively enhance the cleaning effect of the detergent. The oxidation-type corrosion inhibitor and adsorption-type corrosion inhibitor are compounded to enhance the corrosion inhibition effect. The organic phosphine is used instead of inorganic phosphorus, and thus, the detergent is safe and environment-friendly, thereby implementing zero addition of nitrites, silicates, ozonosphere-consuming substances and the like. The detergent has the advantages of favorable cleaning and corrosion inhibition effects, low foam, easy rinsing, stable performance and simple preparation technique, and has important practical application meanings.

The invention relates to a high-thickness and high-conductivity PEDOT film and a preparation method thereof. The PEDOT film containing PEDOT:X is prepared from an EDOT monomer as a raw material and a weak basic anion-containing high-alcohol-solubility ferric salt FeX<3> as an oxidizing agent by adopting a gas phase method or a solution method, wherein X is high-alcohol-solubility weak basic anions, preferably, at least one of camphosulfonate ions, long-chain alkylbenzene sulfonate ions, alkyl naphthalene sulfonate ions, dialkyl naphthalene sulfonate ions and dinonyl naphthalene disulfonate ions. According to the film and the preparation method thereof, by utilizing high alcohol solubility of a ferric salt oxidizing agent solution of a precursor, the concentration and viscosity of a spin-coating solution are improved, the crystallization of the oxidizing agent in a reaction process is inhibited, and copolymer anti-crystallization inhibitors (pyridine, PEPG and the like) do not need to be added, so that a high-thickness PEDOT film is obtained.

The invention discloses a coal gas deamination and residual ammonia liquor vacuum distillation integrated production method. Ammonium sulfate production equipment is used as a vacuum system device, vacuum ammonia distillation non-condensable gas is ejected and absorbed in an ammonium sulfate saturator by the aid of a vacuum ejector, and accordingly normal production in vacuum ammonia distillation is realized; by sulfuric acid absorption, alkaline substances including ammonia and the like in the non-condensable gas can be removed to generate an ammonium sulfate product; other substances enters a coal gas system, environment pollution is avoided, and zero emission of the non-condensable gas is realized; since independent tail gas recovery devices are not needed, ammonia distillation treatment cost is reduced, investment cost is saved, yield of ammonium sulfate and coke oven gas products is increased, and high environmental protection benefits, economic benefits and social benefits are achieved. The invention further discloses a coal gas deamination and residual ammonia liquor vacuum distillation integrated production system.

The invention relates to a production method of quickly-fermented high-umami seafood fermented soybean sauce, including; preparing small-molecular fish protein enzymatic hydrolysate by means of efficient biological enzymatic hydrolysis, and jointly fermenting through the small-molecular fish protein enzymatic hydrolysate with soybean meal and bran to obtain the seafood fermented soybean sauce. The method is low in cost and has a short production cycle, only 30 d, umami of the obtained soybean sauce can be improved, added value of low-value fishes can also be improved, low-value marine animal resources can be comprehensively utilized, and innovation is also made to zero addition of flavorings; meanwhile, the method of the invention is different from common low-salt solid fermented soybean sauces, the addition of the fish protein enzymatic hydrolysate enables the seafood soybean sauce to be healthy, environment-friendly, low in cost, good in property and excellent in umami, and compared with like products, the seafood soybean sauce will be popular with consumers owing to the excellent flavor.

The invention discloses an electrolytic manganese residue baking-free brick and a preparation method thereof. The electrolytic manganese residue baking-free brick is prepared from a cementing agent M,electrolytic manganese residues, waste stone, water and the like through extrusion and curing, wherein the cementing agent M is composed of electrolytic manganese residues, lime, water-quenched slagand cement clinker. The baking-free brick takes electrolytic manganese residue waste as the main raw material to obtain higher compressive strength and better water resistance, so that the problem that the electrolytic manganese slag is stacked and pollutes the environment is solved, and a novel formula for preparing the baking-free brick is developed.

The invention discloses gypsum-based heat-conducting self-leveling mortar as well as a preparation method and application thereof. Raw materials for preparing the gypsum-based heat-conducting self-leveling mortar comprises phosphogypsum, papermaking white mud and a heat-conducting material, and does not comprise cement. The preparation method comprises the following steps of: mixing the phosphogypsum with the papermaking white mud, performing calcining and ball-milling; and mixing the ball-milled phosphogypsum and papermaking white mud with the heat conducting material, aggregate, a retarder,a defoaming agent, a water retaining agent, a water reducing agent and redispersible latex powder. The gypsum-based heat-conducting self-leveling mortar provided by the invention has good fluidity andheat conductivity, can be used for gap filling and upper-layer covering of floor heating pipelines, greatly saves the raw material cost of a floor heating system, and realizes resource reutilizationof two solid wastes, i.e., the phosphogypsum and papermaking white mud.

The invention relates to a novel electrochemical / photocatalysis circulating cooling water treatment device used for treating circulating cooling water and device self cleaning, and belongs to the field of water treatment. The novel electrochemical / photocatalysis circulating cooling water treatment device mainly comprises an electrolysis unit and a photocatalytic unit. The electrolysis unit is capable of removing ions in the circulating cooling water via electrochemical electrolysis technology, and preventing scaling and removing scale, wherein scaling is easily caused by the ions; the photocatalytic unit possesses high efficiency sterilization and algae extermination performance on circulating cooling water via photocatalysis technology. Innovations of the novel electrochemical / photocatalysis circulating cooling water treatment device are that: 1, organic combination of advantages of two water treatment technologies, including electrochemistry and photocatalysis, is realized, complementary performance of the two technologies is fully used, equipment comprehensive water treatment effect is improved, and a problem that comprehensive performance of single utilization is poor is solved; 2, polarities of the cathode and the anode of an electrode module are switched, cathode surface automatic descaling is realized under low current intensity in a short time; a rapid flow water washing nozzle arranged on the top of a photocatalysis box body can be used for washing pollutants on photocatalysis nets and ultraviolet lamps.

The invention belongs to the technical field of ozonation waste water treatment, and particularly relates to a method and device for degrading nitrobenzene waste water through a reinforced iron-carbon micro-electrolysis-ozonation method. The problems that in the prior art, after an iron-carbon micro-electrolysis bed operates for a long time, filler is passivated and inactivated, an electrolytic reaction is blocked, and the efficiency improving range of a catalyst to ozonation degradation of the waste water is limited are solved. Firstly, the nitrobenzene waste water is placed in an iron-carbon micro-electrolysis bath, ultrasonic waves are used for assisting, nitrobenzene hard to degrade is fast reduced into aniline easy to degrade under the common action of ultrasound / iron-carbon micro-electrolysis, and meanwhile Fe2+ is released into the waste water after the electrolytic reaction; then the waste water is fed into supergravity equipment to fully react with ozone, and residual organic pollutants in the waste water are deeply oxydatively degraded. The reaction rate of iron-carbon micro-electrolysis is overall increased by 6-10 times, meanwhile, the concentration of free Fe2+ in the waste water is increased by 5-8 times, and the use amount of the ozone in the subsequent supergravity-ozonation method is greatly reduced.

The invention belongs to the field of mixtures for hole drilling or well drilling, and concretely discloses a preparation method of a coated proppant. The preparation method comprises the following steps: (1) preparation of the following raw materials: aggregates, polyol resin, epoxy resin, an epoxy resin curing agent, isocyanate resin, a catalyst and an amine additive, wherein the hydroxyl equivalent of the polyol resin is 60-300, and the mass of the isocyanate resin is 2 / 5 to 4 / 5 of the amount of the polyol resin; (2) heating; (3) sand mixing; (4) primary coating; (5) secondary coating; and(6) sand production. The proppant prepared by the preparation method can naturally suspend in clear water, and can meet the fracturing index requirement of conventional proppants without adding any thickener in the fracturing process, so the fracturing cost is reduced, the fracturing process is simplified, and the pollution to the environment is reduced.

The invention discloses a preparation method of whole-bean soy sauce. The preparation method comprises the following steps of (1) raw material pretreatment, specifically, soybeans are divided into 50%-80% of soybeans A and 20%-50% of soybeans B in percentage by weight, the soybeans A are crushed, and the crushed soybeans A have particles of which the particle size is greater than or equal to 6 meshes and account for 30%-80% of the total weight of the soybeans A; grinding the soybeans B, specifically, the granularity of the ground soybeans B can pass through a 16-mesh screen; (2) moistening with water; (3) cooking; (4) heat treatment; (5) making koji; (6) fermenting; and (7) separating a fermentation product to obtain the soy sauce. According to the preparation method of the whole-bean soy sauce, a soybean cooking and soybean meal cooking process is adopted, it is guaranteed that the koji making moisture is smaller than or equal to 30%, it is guaranteed that koji making raw materials are not clotted, and normal koji making can still be conducted when the temperature deviation of the upper layer and the lower layer of the koji is 2 DEG C or within, the content of glutamic acid in the soy sauce fermented by the method is greater than or equal to 15g / L, and the content of amino nitrogen is greater than or equal to 1.40.

The invention belongs to the field of compositions for enhancing the fracture action and particularly discloses a preparation method of a clean-water fracture propping agent. The clean-water fracturepropping agent comprises aggregates and a laminating layer wrapping outside the aggregates, wherein the energy spectrum test characteristic of the laminating layer is as follows: the ratio of carbon atoms to oxygen atoms is (1.5-7.5):1; the preparation of the clean-water fracture propping agent comprises the following steps: (1) preparing the following materials of aggregates, resin, a curing agent and a catalyst; (2) after heating the aggregates to 80-160 DEG C, adding the resin and the catalyst, and mixing and stirring; and (3) reducing the temperature to 70-140 DEG C, adding the curing agent, mixing and stirring; reducing the temperature to 40-100 DEG C, taking out of a pot and obtaining the clean-water fracture propping agent. The clean-water fracture propping agent prepared by using the method is good in suspending property and is easily carried into a well.

The invention discloses a mixed fruit and vegetable juice beverage formula and a preparation method thereof, and belongs to the technical field of foods. The preparation method comprises the following steps of (1) restoring concentrated fruit juice; (2) performing acid dissolving; (3) performing blending to a constant volume; (4) performing homogenizing; and (5) performing sterilizing, performing filling and performing packaging. Products prepared by the technology disclosed by the invention are fine and smooth in mouth feel, appropriate in sour and sweet degrees, fresh and natural in fragrance, good in stability, uniform in tissue and free from precipitation, and have excellent efficacy of resisting oxidation and promoting health of skin, mucous membranes and nervous systems. Besides, fermented carrot pulp is added, the raw materials are rich in beta-carotene, and fermentation products comprise organic acids, short-chain fatty acids, probiotics and the like, so that the products have the functions of protecting eyes, regulating intestinal immunity and the like. The prepared composite functional fruit and vegetable juice has the efficacy of enhancing immunity, resisting ageing, reducing blood pressure, benefiting the intestines, being health-care and the like.

The invention discloses a method for recycling zinc and cobalt in wet-type smelting zinc purifying slag. The method adopting the technology comprises the following steps of firstly, removing the copper and cadmium in the copper and cadmium slag produced in the first stage of wet type smelting zinc purifying to obtain a lean-cadmium cobalt solution, and putting the lean-cadmium cobalt solution intoa lean-cadmium cobalt precipitating tank; then, pulping the cobalt and nickel slag in the purifying slag at the second stage, and mixing the pulped solution and the lean-cadmium cobalt solution in the lean-cadmium cobalt precipitating tank; under the existence of an activator, precipitating the cobalt in the lean-cadmium cobalt solution by zinc powder in the cobalt and nickel slag through certainreaction time and reaction temperature. The method has the advantages that the zinc powder in the cobalt and nickel slag is reutilized, the cobalt in the lean-cadmium cobalt precipitating solution isfully precipitated, the consumption amount of zinc powder is greatly reduced, and the production cost is reduced; the technology is simple and reasonable, the operation is easy, the waste slag can bewell recycled and reutilized, and the good application prospect is realized.

The invention belongs to the technical field of exploitation of fluid minerals such as petroleum, natural gas and shale gas, and particularly discloses a preparation method of a self-suspending propping agent, after soaking of the self-suspending propping agent with an organic solvent, the self-suspending propping agent is filtered, a filtered solution is taken for testing, and the content of isocyanate in the solution accounts for 0.1% or more; wherein the preparation method of the self-suspending propping agent comprises the following steps: (1) an aggregate, an inner membrane material and an outer membrane material are prepared, and the outer membrane material comprises outer-layer resin, an outer-layer catalyst and an outer-layer curing agent; (2) the aggregate is heated to 80-160 DEGC, the inner membrane material is added, stirring is performed, wherein the rotating speed of the stirring is 50-100 revolutions per minute; (3) the temperature is reduced to 55-110 DEG C, the outer-layer resin and the outer-layer catalyst are added, stirring is performed, wherein the rotating speed of the stirring is 50-100 revolutions per minute; and (4) the temperature is reduced to 40-90 DEG C, the outer-layer curing agent is added, and stirring is performed, wherein the rotating speed of the stirring is 50-100 revolutions per minute, the temperature is reduced to 30-60 DEG C, and the mixture is discharged out of a pot. The method is mainly used for preparing the self-suspension propping agent, and solves the problem that pure clear water cannot be used as a sand-carrying liquid for fracturing construction.

The invention discloses a method for reducing nitrite content in roast meat and cooperatively improving quality of the roast meat. The method comprises the following steps: step 1, pickling raw meat; step 2, low-temperature plasma treatment: placing a plasma outlet of a low-temperature plasma generating device in a sealed container containing the pickled raw meat, and starting the low-temperature plasma generating device; and step 3, baking the raw material meat subjected to low-temperature plasma treatment. The method has the beneficial effects that manual addition of nitrite is replaced, and the low nitrite content and good color and taste of the final barbecue product can be maintained.

The invention discloses decorative fragrant mud and a preparation process thereof, the raw materials are natural plant aromatic substances, resin, wood and the like, the processed fragrant mud coating can emit the natural aromatic odor of plants, can be used as a decorative material, can play roles in refreshing air and improving the environment, and is non-toxic, free of peculiar smell, waterproof, and good in air permeability, the product has the decorative effect, people can enjoy the incense culture at any time without going out while playing a role in decoration, and the incense can be widely applied to residential houses, office buildings, hospitals, schools, hotels, shopping malls, underground garages, pharmaceutical factories, food factories, ships and the like to improve the indoor environment air quality, decoration and protection.

The invention belongs to the technical field of petroleum, natural gas and shale gas and other fluid mineral exploration, and particularly relates to a self-suspended proppant. The proppant comprisesaggregates and a coating layer coating outside the aggregates, wherein the coating layer is generated from resin, a curing agent and a catalyst. The self-suspended proppant is soaked with an organic solvent and filtered, the filtered solution is tested, and the content of isocyanate in the solution is millesimal or more of solid content. The self-suspended proppant can meet the actual requirementsfor strength, drag-reducing efficiency, crushing materials, acid solubility and other indexes, can spontaneously suspend in water, and can be easily carried into a well without adding guar gum and other tackifying substances, so that cost can be greatly reduced, fracturing equipment and process can be simplified, and environmental pollution can be reduced.

Relating to the natural dye dyeing field, the invention discloses a gardenia blue pigment dyeing method for wool fabrics. The invention selects gardenia blue pigment for dyeing, and also provides a non-toxic, low-cost, environment-friendly and high color fastness wool fabric dyeing method. Also, application of the dyeing process cooperatively with the high temperature resistant gardenia blue pigment not only realizes zero adding of dyeing additives and effective environmental protection, but also can effectively improve the dyeing efficiency, and can produce dyeing products with dyeing uniformity and high color fastness, and at the same time, the dyeing time is effectively saved, and the dyeing cost is significantly reduced.

The invention discloses recombinant yeast for fermentation production of chondroitin sulfate with controllable molecular weight and an application of the recombinant yeast, and belongs to the technical field of bioengineering. Pichia pastoris GS115 is used as an original strain by utilizing a synthetic biological technology and a genetic engineering means, and chondroitin sulfate synthetic pathway related proteins including KfoC and KfoA from escherichia coli K4, chondroitin sulfate transferase C4ST or C6ST from mice, UDP-glucose dehydrogenase TuaD from bacillus subtilis and chondroitin sulfate lyase ABCI from proteus vulgaris are heterologously expressed in cells, so that production strains for synthesizing chondroitin sulfate A (CSA) and chondroitin sulfate C (CSC) are obtained, and chondroitin sulfate A and chondroitin sulfate C with specific molecular weights can be obtained by controlling the concentration of an inducer namely methanol and the induction time. According to the recombinant yeast, the chondroitin sulfate with controllable molecular weight and specific configuration is synthesized by utilizing a microbial fermentation carbon source for the first time.

The invention discloses a moringa oleifera cultivation method. According to the creative cultivation mode, fertilizer is supplied to moringa oleifera growth, rare earth is fully utilized, therefore, absorption of crops to fertilizer nutrients can be promoted, photosynthesis of the crops can be improved, the fruit quality of the crops can be improved, the drought resistance, the cold resistance and the disease and pest damage resistance of the crops can be enhanced, and the characteristics such as plant root system development, biomass, quality and stress resistance can be promoted; by combining the advantages that a biological organic fertilizer is convenient to prepare, low in cost, capable of improving the soil quality, free of pollution and the like, zero addition of chemical fertilizers and chemical pesticides in the whole moringa oleifera cultivation process is achieved, and no pesticide residue is generated; meanwhile, through action of the organic fertilizer and whole-process comprehensive and scientific management, the fruit setting rate can be significantly increased, the fruit size can be significantly increased, fruit cracking can be significantly reduced, the fruit quality can be significantly improved, and good social benefits and economic benefits are achieved.

The invention discloses pelteobagrus fulvidraco feed and a feeding method thereof which have the benefits that pelteobagrus fulvidraco is fed by using an insect protein product specially obtained by taking insect protein dry powder as a raw material as well as other special ingredients and by using warm mineral spring water of 27-29 DEG C containing specific ingredients, so that the zero additionof antibiotics and hormones in the feeding process can be realized, the disease resistance of the pelteobagrus fulvidraco is improved, and the zero occurrence of disease damage caused by ichthyophthirius and other parasites can be ensured; meanwhile, the culture time of the pelteobagrus fulvidraco can be shortened by 20 percent or more, and the yield per mu can reach 2000 kilograms or more. Therefore, the economic benefits are significant.

The invention relates to a method for feeding sprouted wheat to reduce phosphorus environmental emission of manure produced by raising pigs and belongs to the technical field of ecological breeding. According to the method, a principle that the high phytase activity is generated in a wheat seed sprouting primary period and natural phytate phosphorus in a feed is catalyzed into effective phosphorus capable of being used by the pigs is utilized; the content of the phosphorus in the pig manure is reduced under the precondition that the growth speed of the pigs is not influenced and calcium hydrogen phosphate is not added in pig feed, and the emission amount of the phosphorus in the pig manure to the environment is reduced. The method has the technical essentials that the sprouting length of wheat is controlled to be 0.3-0.5 centimeter; the feeding amount accounts for 20% of the mass of pig complete feed dry materials; exogenous phosphorite including the calcium hydrogen phosphate and the like is not added to the pig feed, the growth speed of the pigs is not lowered and the content of the phosphorus in the pig manure is reduced by 45%.

The invention relates to a novel electrochemical / photocatalysis circulating cooling water treatment device used for treating circulating cooling water and device self cleaning, and belongs to the field of water treatment. The novel electrochemical / photocatalysis circulating cooling water treatment device mainly comprises an electrolysis unit and a photocatalytic unit. The electrolysis unit is capable of removing ions in the circulating cooling water via electrochemical electrolysis technology, and preventing scaling and removing scale, wherein scaling is easily caused by the ions; the photocatalytic unit possesses high efficiency sterilization and algae extermination performance on circulating cooling water via photocatalysis technology. Innovations of the novel electrochemical / photocatalysis circulating cooling water treatment device are that: 1, organic combination of advantages of two water treatment technologies, including electrochemistry and photocatalysis, is realized, complementary performance of the two technologies is fully used, equipment comprehensive water treatment effect is improved, and a problem that comprehensive performance of single utilization is poor is solved; 2, polarities of the cathode and the anode of an electrode module are switched, cathode surface automatic descaling is realized under low current intensity in a short time; a rapid flow water washing nozzle arranged on the top of a photocatalysis box body can be used for washing pollutants on photocatalysis nets and ultraviolet lamps.

The invention provides an integrated reaction device and method for treating nitrobenzene wastewater through reinforced iron-carbon micro-electrolysis-ozone coupling, the device comprises an oxygen bottle, an ozone generator, a rotating packed bed, a pump and a nitrobenzene wastewater storage tank, and an annular rotor is rotationally arranged in the rotating packed bed; the rotor is sequentially provided with a rotor outer shell, an annular partition plate and a rotor inner shell from outside to inside, through holes are formed in the rotor outer shell, the annular partition plate and the rotor inner shell, the space between the rotor outer shell and the annular partition plate is filled with a metal wire mesh formed by winding metal wires, and iron carbon balls are stacked between the annular partition plate and the rotor inner shell. The rotating packed bed is provided with a gas inlet, a gas outlet, a liquid inlet and a liquid outlet; the nitrobenzene wastewater storage tank is connected with a pump; the pump is connected with a liquid inlet of the rotating packed bed; the oxygen bottle is connected with the ozone generator; the ozone generator is connected with a gas inlet of the rotating packed bed. According to the invention, the process procedure is simplified, the wastewater treatment cost is saved, and the waste of Fe < 2 + > can be effectively avoided.

The invention discloses an oat flour instant noodle with healthcare and dietary therapy effects. The oat flour instant noodle is prepared from the following materials in parts by weight: 12-20 parts of puerarin powder, 3-8 parts of egg white, 55-70 parts of oat flour and 30-40 parts of water. A method comprises the following steps: putting oat grains into a flour mill for milling for standing by; cleaning eggs, breaking the eggs and separating the egg white from yolk; milling dry puerarin slices for standing by; forming soft grain materials; feeding the soft grain materials into a left and right split type spiral curing machine; pasting the material in a puffing chamber and then extruding by a template; airing the extruded oat noodle, drying in a drying channel, fully automatically sterilizing at fixed length and fixed volume and performing modified atmosphere packaging. According to the invention, zero addition of wheat flour and salt in the oat flour instant noodle is realized, so that the oat flour instant noodle practically has healthcare and dietary therapy effects for diabetes, high blood pressure, high blood fat, adiposis, atonic constipation and the like.

The invention belongs to the field of compositions used for reinforcing fracturing action, and particularly discloses a hydraulic fracturing propping agent. The hydraulic fracturing propping agent comprises aggregates and a film coating layer, wherein the aggregates are wrapped with the film coating layer, and the film coating layer is made of resin, a curing agent and a catalyst; and an energy spectrum testing characteristic of the film coating layer is that the ratio of carbon to oxygen atom is (1.5 to 7.5) to 1. The hydraulic fracturing propping agent meets requirements in indexes such as strength, damping efficiency, broken material and acid solubility, can perform self-suspension in water, is easy to carry, and has no pollution to the environment.