34results about How to "Strong conversion rate" patented technology

The invention relates to a preparation method of protein feed in oilseed dregs. Oilseed dregs are used as a main material in which accessories are added and mixed, and the mixed material is preprocessed and mixed with water; seed liquid resurrection is carried out on the sieved strain of high-efficient degradation anti-nutritional factors; in the form of single strain or combination, 2% to 15% of general inoculum concentration of the strains by weight are simultaneously connected with mixture solid fermentation medium after preprocessing on standing at the temperature of 25 to 45 DEG C, mixed and fermented for 24 to 96 hours; after fermentation, the finished products are obtained after drying and dehydration; the raw materials have the following proportions by weight: 40% to 60% of oilseed dregs, 0 to 10% of accessories and 40% to 50% of water. According to the composition, characteristics and nutrient advantages of anti-nutrient substance in oilseed dregs, the method not only can efficiently eliminate anti- nutritional factors in the dregs but also can improve the oligopeptide content and simultaneously maintains higher protein content so that the quality of protein feed can be further advanced and improved.

The invention relates to a polyformaldehyde dimethyl ether synthesis method which mainly solves the problems of difficult catalyst separation, low raw material conversion rate and poor product selectivity in the prior art. The technical scheme of the polyformaldehyde dimethyl ether synthesis method comprises the following steps: by taking methanol, methylal and polyformaldehyde as raw materials, under the conditions that the reaction temperature is 70-200 DEG C and the reaction pressure is 0.2-6 MPa, enabling the raw materials to be in contact with a catalyst, and reacting to generate polyformaldehyde dimethyl ether, wherein the weight ratio of the methanol, the methylal and the polyformaldehyde is (0-10):(0-10):1, and the amounts of the methanol and the methylal can not be 0 at the same time; the amount of the catalyst accounts for 0.1-5.0% of the weight of the raw materials; and the used catalyst comprises the following components in parts by weight: a) 30-80 parts of carrier, which is at least one selected from SBA-15, MCM-41 or MCM-22 molecular sieve, and b) 20-70 parts of solid super-strong acid carried thereon, which is at least one selected from SO4<2->/ZrO2, SO4<2->/Fe2O3, Cl<->/TiO2 or Cl<->/Fe2O3. Thus, the problems are well solved; and the polyformaldehyde dimethyl ether synthesis method can be used for industrial production of polyformaldehyde dimethyl ether.

The invention discloses prescriptions of feeds for breeding pigeons in different growing phases and a breeding method thereof. Corresponding feed prescriptions are respectively provided according to the characteristics of different growing demands of breeding pigeons in different growing phases at different ages in days, components of the feed prescriptions are common feeds, and are low in cost, convenient to buy and strong in feed conversion ration. The feed prescriptions for growing phases can be used for effectively preventing common diseases of breeding pigeons in the growing stage, balanced supply of energy and protein can be met according to the characteristics of different growing-phase demands of pigeons, the growing development and multiplication of the breeding pigeons can be promoted, the laying amount and the laying quality can be improved, the content of cholesterol in meat can be reduced, and the body health can be benefited.

The invention discloses a feed for quail in different growth periods. Adaptable feed formulas are respectively provided for the quail according to different growth characteristics of demands in three different growth periods of a brooding period, a breeding period and an adult laying period of the quail, and components in a feed formula are all common feeds, are low in cost, convenient to purchase, and strong in feed conversion ratio. According to the feed in the different growth periods, provided by the invention, the quail is effectively prevented from being prone to diseases in the growth phase, energy and protein are provided according to the characteristics of demands in the different growth periods in a balance manner, the growth, the development and the reproduction of the quail are promoted, and the egg yield is increased and the egg quality is improved.

The invention provides an environment-protection paint process used for furniture, which comprises the steps as follows: A: a blank is ground by an emery paper grinder; B: the ground plate is plastered so as to increase the smoothness of the surface; C: the plate is filled with colorant or transparent putty; D: the primer with high hardness is sprayed once; E: the grinding is subsequently carried out so as to clean the residual plasters and grind the plate to be smooth; F: polyurethane primer is sprayed on the ground plate and the plate is painted and sealed; G: after twice primer spraying and grinding, a novel and environment-protection finishing paint is sprayed for coloring; H: the plate is conveyed to a specially made ultraviolet drying pipeline to carry out the drying and curing, and the drying time is at least 5 minutes. Compared with the prior art, the environment-protection paint process of the invention has the advantages of beautiful appearance, low cost, no polluting to the environment, no harms on human body, etc.

The invention discloses a phenol wastewater treatment method and a preparation method of a CuO/ZSM-5 catalyst. Compared with the prior art, CuO is loaded on ZSM by an impregnation method to prepare a composite catalyst with good performance; persulfate is catalyzed to generate sulfate radicals to play stronger oxidizing ability; the treatment cost is reduced, the requirements on reaction equipment are not high, and the method is simple and easy to implement, has high operability and facilitates practical promotion and application; and moreover, the mineralization conversion of pollutants is thorough, the pollutants are converted into corresponding nontoxic substances, secondary pollution is avoided, the highest conversion rate of phenol can reach 99%, and the method has remarkable environmental advantages and economic advantages.

The invention provides a method for manufacturing amino acids active feed and solves the problem that the prior amino acid feed made of plant raw material has high cost, low transformation efficiency, difficult animal adsorption and small application scope. The invention comprises the following steps: (1) plant raw material is crushed into ultrafine nanometer raw material; (2) ultrafine nanometer raw material and amino acids active inducer are mixed uniformly in a stirrer by the weight ratio of 1:0.2-10 and then semi-amino acids active raw material is prepared well; (3) semi-amino acids active raw material is added with water and fermentation enzyme or microhabitat bacteria, the weight of water is 0.2-10 times of the weight of semi-amino acids active raw material, water temperature is 15-55 celsius degree and PH value of water is 3.0-8.0, the weight of fermentation enzyme or microhabitat bacteria is 1-8 percent of the weight of semi-amino acids active raw material, and then amino acids active feed is prepared well after hydrolysis or fermentation in a container for 0.5-50 hours.

The invention provides a preparation method of a rhodium-ruthenium composite catalyst for preparing ethyl alcohol through acetic acid hydrogenation. According to the method, rhodium and ruthenium or oxide thereof is adopted as a main catalyst, metal or oxide thereof is adopted as a promoter, and any one or more of silicon dioxide, aluminum oxide, titanium dioxide, cerium dioxide, zirconium dioxide and silicon carbide are adopted as carriers. The preparation method is a deposition-precipitation method and includes the steps that an alkaline solution is dropwise added into a mixed solution prepared from rhodium, ruthenium and M salt, precipitates are formed, the carriers are added into the solution, and precipitation substances are adsorbed on the carriers after the materials are evenly stirred for a period of time; filtering and washing are carried out to filter out impurities; drying and calcining are carried out, and supported metal oxide is obtained. A hydrogenation reaction is carried out in a tubular fixed bed reactor, firstly, the catalyst is reduced in the reducing atmosphere, and then the high conversion rate and selectivity are obtained by controlling the reaction temperature and pressure, the volume air speed, the hydrogen-acid ratio and other parameters. The preparation method is simple, high repeatability is achieved, and the catalytic effect is high.

The invention relates to the technical field of selective catalytic reduction catalysts, in particular to a denitration catalyst with a low SO2/SO3 conversion rate and a preparation method thereof. The preparation method comprises the following steps of putting a metal nitrate, glycine and an inorganic salt auxiliary in a solvent, conducting stirring for dissolution, and conducting calcination to obtain a powder A; dipping titanium dioxide in a mixed solution of ammonium metavanadate and ammonium heptamolybdate, conducting stirring and dissolving, and conducting calcining to obtain a powder B; and mixing the powder A and the powder B, and performing high-shear dispersion to obtain the denitration catalyst. The metal oxide is prepared by adopting a glycine combustion method, and the prepared metal oxide is small in particle size, uniform in particle size distribution, multiple in pore channels, high in adsorption capacity and capable of adsorbing SO2 and SO3 on the catalyst in the SCR reaction process, so that the SO2/SO3 conversion rate of the catalyst is reduced; and the powder A and the powder B can be highly and uniformly mixed under the actions of centrifugal extrusion, high-speed cutting, impacting, grinding and the like generated in the high-shear dispersion process, so that the high denitration activity of the catalyst is guaranteed.

The invention provides a feed additive for feeding bamboo rats. The feed additive comprises, by weight, the following raw materials: 4-7 parts of root of hairy asiabell, 8-10 parts of dandelion, 3-4 parts of longan pulp, 1-2 parts of methionine, 1-2 parts of tryptophan, 10-15 parts of flax meal, 10-15 parts of corn flour, 0.002 part of bifidobacteria and 150 parts of rice washing water. The preparation method of the feed additive for feeding the bamboo rats comprises the steps of crushing, fermenting, filtering and mixing. According to the invention, the root of hairy asiabell, the dandelion,the longan pulp and other raw materials are matched and make the feed additive contain rich nutrient elements and effective active ingredients, so that the absorption of nutrient substances can be promoted, the regeneration capacity and the metabolism capacity of an organism can be enhanced, and the growth and development of the bamboo rat can be promoted; The added biological enzyme bifidobacteria can effectively inhibit harmful bacteria or pathogenic bacteria, achieve the effects of microecological balance in vivo, improve the immunity of organisms, synthesize B vitamins, generate nutrient substances, promote the absorption of the nutrient substances, prevent diseases and treat diseases.

The invention belongs to the technical field of sewage treatment, and particularly discloses a prevention and control agent based on sewage treatment. The water treatment agent is prepared from the following raw materials in parts by weight: 6-9 parts of bentonite, 3-5 parts of sodium chloride, 3-4 parts of alum, 1.6-2.5 parts of aluminum sulfate, 5-6 parts of calcium oxide, 6-9 parts of magnesium oxide, 1.2-1.8 parts of ferric oxide, 0.6-0.9 part of magnesium oxide, 0.2-0.5 part of sodium oxide, 3-9 parts of silicon dioxide, 5-7 parts of sodium silicate, 4-6 parts of sodium polyacrylate, 9-12 parts of alum, 5-15 parts of additives, 12-18 parts of lithopone, and the remainder being water. By adding the additive, the additive is prepared by mixing menthone, starch, butane, zeolite minerals, activated carbon and diatomite, and impurity particles in sewage are adhered into clusters through the starch and float on the water surface by utilizing the characteristic that the starch is insoluble in water; the zeolite minerals, the activated carbon and the diatomite are combined; so that a good purification effect on the water quality is achieved; the purification treatment effect of the sewage is improved, so that after the prevention and control agent is added into the sewage, suspended solids are flocculated immediately, and precipitation is rapid.

The invention provides a feed additive for feeding meat geese. The feed additive comprises, by weight, the following raw materials: 8-12 parts of Chinese yam, 5-10 parts of licorice, 5-6 parts of apples, 1-2 parts of lysine, 1-2 parts of phenylalanine, 10-15 parts of peanut dregs, 10-15 parts bran, 0.002 part of bifidobacteria and 150 parts of rice washing water. The traditional Chinese medicine additive has a unique antiviral effect, can regulate the overall immune function and inhibit virus replication, has the effects of resisting diseases, treating diseases and enhancing meat quality. Theadded biological enzyme can also improve the utilization rate of calcium, phosphorus, iron, protein, sugar, cellulose, starch and the like, has the effects of treating chronic diarrhea, improving digestion and the like, and promotes the digestion and absorption of geese.

The invention discloses a catalytic hydrogen supply system based on organic liquid and a hydrogen supply method thereof.The catalytic hydrogen supply system comprises an organic liquid hydrogen supply material and a hydrogen supply reaction catalyst, and the organic liquid hydrogen supply material is composed of a hydrogen supply raw material A and a hydrogen supply raw material B; wherein the hydrogen supply raw material A is one or two of dodecahydrobenzyltoluene and octadehydrodibenzyltoluene, the mass content of the octadehydrodibenzyltoluene is not more than 80%, and the hydrogen supply raw material B is one or more of decahydronaphthalene, 1-methyl decahydronaphthalene and 2-methyl decahydronaphthalene; the hydrogen-donating reaction catalyst is a supported metal catalyst and comprises a catalyst carrier and a catalyst active metal component. The method solves the problem that a hydrogen supply technology based on an organic liquid material is lacked in the technical field at present, and has the advantages of low raw material cost, large-scale storage and supply states, low-temperature liquid property, low catalyst cost, large hydrogen supply amount, relatively mild reaction process conditions, high hydrogen supply purity and the like.