12 results about "Copper glycinate" patented technology

The application provides an amino acid composite reagent system and a method for treating electronic waste to prepare high-purity glycine copper, and belongs to the technical field of metal hydrometallurgy and resource recycling. The application builds an ammonia catalytic reduction mechanism by designing an amino acid composite reagent system, greatly improves the leaching rate, simultaneously inhibits the dual effects of copper hydroxide precipitation and glycine chelation, and realizes efficient solution of copper ions; through narrow window regulation technology of pH at 9.5±0.2, the stability of ammonia, the activity of glycine anion are maintained, and the selective leaching rate of copper is ensured; a directional crystallization process of leaching solution is constructed, the "self-assembly directional crystallization" process of glycine copper chelate is used, based on the saturation concentration of glycine copper in the leaching solution and the stable chelate structure, through three-stage crystallization precise regulation, the preparation of high-purity crystal is realized. The process realizes the closed-loop crystallization system of "zero addition of crystal seeds and zero wastewater discharge" of the copper-containing complex leaching solution of electronic waste.

The invention belongs to the field of agricultural fertilizers, and relates to a nano carbon dot calcium-copper nutrient solution with both nutrition and sterilization functions and a preparation method of the nano carbon dot calcium-copper nutrient solution. The method comprises the following steps: (1) adding citric acid and ethylenediamine into a reaction kettle, introducing CO2-removed water into the reaction kettle, and carrying out pressurization and heating reaction to prepare a solution A; (2) compounding calcium gluconate and urea according to a certain ratio, adding monoethanolamine, introducing CO2-removed water into a reaction kettle, and carrying out pressure-maintaining heating to prepare a solution B; (3) preparing a solution C: mixing alkyl glycoside, methyl oleate and fatty alcohol polyvinyl ether according to a certain proportion, introducing CO2-removed water, and continuously stirring to prepare the solution C; and (4) sequentially compounding the solution A, the solution B and copper glycinate, and adding the solution C to prepare a finished product of the nano carbon dot calcium-copper nutrient solution. The nutrient solution has multiple effects: organic nutrients are supplemented to crops; photosynthesis of crops is improved; the calcium absorption is increased; bacterial diseases are prevented; nutrient solution leaf attachment is increased, and the utilization rate is increased.

The invention provides an amino acid composite reagent system and a method for preparing high-purity copper glycinate by treating electronic waste through the amino acid composite reagent system, and belongs to the technical field of metal hydrometallurgy and resource regeneration. According to the method, an amino acid composite agent system is designed, an ammonia catalysis barrier reduction mechanism is constructed, the leaching rate is greatly increased, the double effects of copper hydroxide precipitation and glycine chelation are synchronously inhibited, and efficient dissolution of copper ions is achieved; the ammonia stability and the glycine anion activity are maintained through a narrow window regulation and control technology with the pH value being 9.5 + / -0.2, and the copper selective leaching rate is guaranteed; the method comprises the following steps: constructing a leaching solution directional crystallization process, and preparing a high-purity crystal by utilizing a self-assembly directional crystallization process of a copper glycinate chelate based on the saturation concentration of copper glycinate in the leaching solution and a stable chelation structure through precise regulation and control of three-stage crystallization. According to the process, a closed-loop crystallization system of'zero seed crystal addition and zero wastewater discharge 'of the copper-containing complex leaching solution of the electronic waste is realized.

The invention discloses a formula and a processing method for ecological culture of crustacean aquatic products, and the formula comprises the following medicines by weight: glycine / methionine chelated trace elements: by taking glycine as an example, not less than 13% of magnesium citrate, 9-20 g of magnesium citrate, not less than 21% of zinc glycinate, 5-9.5 g of zinc glycinate, not less than 15% of manganese glycinate, 3.5-6.5 g of manganese glycinate, not less than 15% of copper glycinate, and 1-2.5 g of copper glycinate; 6-11g of ferrous glycinate with the concentration of more than or equal to 17%; the selenium content of the yeast is 2,000 PPM, and is 1-1.5 g; per kilogram of the vitamin compound comprises 550000-8000000 IU of vitamin A, 150000-45000000 IU of vitamin D3, more than or equal to 3500 milligrams of vitamin E, more than or equal to 1200 milligrams of vitamin K3, more than or equal to 800 milligrams of vitamin B1, more than or equal to 5000 milligrams of vitamin B2, more than or equal to 800 milligrams of vitamin B6, more than or equal to 2000 micrograms of vitamin B12 and more than or equal to 15000 milligrams of vitamin C; the invention relates to the technical field of aquaculture, the formula realizes the virtuous cycle of efficient absorption, sedimentation, slow release, decomposition and supply of trace elements through artificial and natural synergistic nutrition chain design, and achieves the ecological breeding target of'zero emission 'of nutrient substances and'zero addition' of chemical agents.

The one or more embodiments of the specification provide a preparation method of molinitin based on glycine copper catalyzed Ullmann coupling, comprising the following steps: step S1: taking methyl 4-acetylbenzoate as a starting material, and performing condensation reaction with N, N-dimethylformamide dimethyl acetal; step S2: performing cyclization reaction of the intermediate A obtained in step S1 with guanidine hydrochloride under alkaline condition; step S3: performing hydrolysis reaction of the intermediate B obtained in step S2 under alkaline condition; step S4: performing acylation reaction of the intermediate C obtained in step S3 with aminoacetonitrile hydrochloride in the presence of condensing agent and base; step S5: obtaining molinitin by performing Ullmann coupling of the intermediate D obtained in step S4 with 4-(4-bromophenyl)morpholine under the catalysis of glycine copper; the route design is novel: the strategy of "first constructing an aminopyrimidine ring, and then introducing a morpholinophenyl group by Ullmann coupling" is used to synthesize molinitin, which is different from the route design of introducing a morpholinophenyl fragment in the early stage in the prior art.

The invention discloses a trace element premix for improving eggshell quality. The feed additive is prepared from the following raw materials: mulberry leaf powder, schizochytrium limacinum powder, eggplant stems, negundo chastetree fruits, negundo chastetree roots, spartina anglica, moringa seeds, chequer-shaped indocalamus leaf powder, tilapia bone meal, crab shell powder, a complex microbial inoculant, compound vitamins, compound amino acids, iron glycinate, ferrous lactate, zinc methionine, zinc propionate, manganese glycinate, copper glycinate, strontium citrate, cobalt methionine, calcium glutamate, sodium selenite and the like. The premix can be used for processing feed for improving the quality of eggshells, is suitable for later laying period of laying hens, and can improve the laying rate and the quality of the eggshells at the same time.

The invention provides a copper and carbon co-modified two-dimensional nitrogen-rich carbon nitride catalyst as well as a preparation method and application thereof, and belongs to the technical field of catalytic materials. The copper and carbon co-modified two-dimensional nitrogen-rich carbon nitride catalyst is prepared by taking copper glycinate as copper and a carbon source at the same time and 3-amino-1, 2, 4-triazole as a g-C3N5 precursor through a one-step thermal polycondensation method, and the modification amounts of Cu and C in the prepared catalyst are controlled by changing the ratio of copper glycinate to 3-amino-1, 2, 4-triazole, so that the catalytic performance is improved; by means of mutual coupling of metal and nonmetal, on one hand, the visible light absorption capacity of the catalyst is effectively expanded, efficient photo-induced electron-hole pair separation and transmission are achieved, and on the other hand, the adsorption capacity on pollutant antibiotic tetracycline is remarkably improved; therefore, compared with pure g-C3N5, single C-modified C-C3N5 and Cu-modified Cu-C3N5 catalysts, the prepared g-C3N5 / Cu-C3N5 composite photocatalyst has better performance of removing tetracycline in water through visible light catalysis.

The application relates to the technical field of roxadustat, and particularly discloses a preparation method of roxadustat, which comprises the following steps: S1, taking 4-bromobenzyl bromide as a starting raw material, refluxing 4-bromobenzyl bromide and sodium methoxide in methanol to prepare an intermediate 2; S2, subjecting the intermediate 2 to a Friedel-Crafts acylation reaction with acetic anhydride to prepare an intermediate 3; S3, subjecting the intermediate 3 to an Ullmann coupling reaction with phenol in toluene by using glycine copper as a catalyst to prepare an intermediate 4; the starting raw material is 4-bromobenzyl bromide, the raw material is easy to obtain and low in price, a low-cost conventional reagent is used as a catalytic system, and cheap catalytic systems are used in key reactions, and low-cost alkali-solvent combinations are selected for steps such as aminolysis, so that the preparation cost is greatly compressed from the aspects of raw materials and reagents.

The invention discloses a preparation method and application of a Cu modified SAPO-34 composite material, relates to a preparation method of a catalyst for selective catalytic reduction of NO, and aims to solve the technical problems that active sites of an existing denitration molecular sieve catalyst Cu-SAPO-34 are easy to agglomerate, the low-temperature activity is poor, the hydrothermal stability is poor, and the water resistance and sulfur resistance are poor. The method comprises the following steps: weighing pseudo-boehmite, H3PO4, white carbon black, triethylamine, tetraethylenepentamine and a copper organic complex to prepare sol-gel; wherein the copper organic complex is copper acetylacetonate, copper glycinate or copper ethylenediamine dihydrate; and then the sol-gel is subjected to a hydrothermal reaction, an obtained precursor is calcined, and the Cu modified SAPO-34 composite material is obtained. The denitration conversion rate of the material at 150-430 DEG C can reach 90-100%, and the material has N2 selectivity, resists water vapor and sulfur dioxide, and can be used in the field of NH3-SCR denitration.

The invention discloses a medium-sized shrimp hard shell promoter and a production method thereof, and belongs to the technical field of aquatic feed additives. The medium-sized shrimp hard shell promoter of the invention comprises a Bacillus subtilis metabolite and a composite additive in a dosage ratio of 2-3 mL:100 g; the composite additive comprises the following components by mass percentage: 2.5% gentian, 2.5% orientalis, 3.5% ajuga, 10.0% calcium lactate, 2.0% calcium gluconate, 20.0% calcium dihydrogen phosphate, 1.0% copper glycinate, 0.5% glycinate iron, 4.0% magnesium sulfate, 1.0% zinc sulfate, 2.2% vitamin C, 3.8% vitamin D and 47% carrier zeolite powder. The medium-sized shrimp hard shell promoter of the invention can promote shrimp molting and hard shelling, and significantly improve the growth rate and survival rate of shrimp.

The invention provides a feed additive for promoting fish muscle embrittlement and a preparation method and application thereof, and relates to the technical field of aquatic feeds, the feed additive comprises the following components by mass: 10-30 parts of L-lysine, 5-15 parts of L-proline, 40-50 parts of a broad bean extract, 20-40 parts of betaine, 5-15 parts of a rosemary extract, and 10-30 parts of chitosan oligosaccharide. 5 to 15 parts of sodium citrate, 1 to 10 parts of L-ascorbic acid-2-phosphate, 1 to 3 parts of copper glycinate and 10 to 25 parts of sodium alginate. All active ingredients selected by the feed additive provided by the invention are safe feed additives which exist naturally or are allowed to be used, the meat quality is improved by regulating the normal metabolism of fish bodies, and the safety risk caused by using medicines or hormones is completely avoided.

The application relates to the technical field, in particular to an improved preparation process of a JAK inhibitor (Molinitin), which is prepared from benzyl methyl ether as a starting material through five steps, and the specific steps are as follows: in the first step, benzyl methyl ether and acetic anhydride are subjected to a Friedel-Crafts acylation reaction under the catalysis of aluminum chloride to prepare an intermediate 2; in the second step, 4-acetyl benzyl methyl ether and aminoacetonitrile are subjected to one-pot oxidation through TBHP under the catalysis of iodine to prepare an intermediate 3; in the third step, N-(cyanomethyl)-4-acetyl benzamide is subjected to condensation through reflux reaction in pyridine and DMF-DMA to prepare an intermediate 4; in the fourth step, N-(cyanomethyl)-4-(3-(N,N-dimethyl)acryloyl) benzamide is subjected to condensation with guanidine hydrochloride under alkaline conditions to prepare an intermediate 5; and in the fifth step, N-(cyanomethyl)-4-(2-aminopyrimidin-4-yl) benzamide is subjected to Ullmann coupling reaction with 4-(4-bromophenyl)morpholine under the catalysis of copper glycinate to prepare Molinitin.