101 results about "Selenium salt" patented technology

The invention belongs to the field of processing methods of energy-containing materials, in particular to a fertilizer prepared by hydrolysis of bulk propellant powder and/or explosives and a preparation method of the fertilizer. The method disclosed by the invention comprises the following specific steps of: crushing the propellant powder and/or the explosives, then adding an alkaline solution and sodium/potassium humate, reacting in a reaction kettle, and supplementing P2O5, H3PO4, HCl, HNO3 or of K2SO4, Na2SO4, KNO3, (NH4)3PO4 or selenium salt according to the content of each element in the solution after the end of the reaction to get the fertilizer. The method disclosed by the invention has the beneficial effects that, by adopting the method, the propellant powder and/or the explosives can be processed for hydrolysis and then further manufactured into the fertilizer which can be utilized by humankind, so that the problem that the propellant powder and/or the explosives can cause harm to the humankind and a survival environment of the humankind can be solved, and the wastes can be turned into useful things and further become the fertilizer with economic value.

The invention belongs to the field of preparing fertilizers by obtaining energetic materials in an explosive device and particularly relates to a fertilizer prepared by hydrolyzing explosives in the explosive device as well as a preparation technology and a preparation method for the fertilizer. The method comprises the following steps: the explosive device is put in a reaction cage, the reaction cage is put in a reaction tank, alkali, sodium humate/potassium humate and water are added for hydrolysis reaction, and at least one of P2O5, H3PO4, HCL and HNO3 or K2SO4, Na2SO4, KNO3 and (NH4)3PO4 or selenium salts is added after hydrolysis, so as to obtain the fertilizer. With the adoption of the method, the explosive device is put in the reaction cage, the reaction cage is put in the reaction tank, the alkali and the sodium humate/potassium humate are added for the hydrolysis reaction, the poisonous and harmful energetic materials are converted to be inorganic salts used for preparing the fertilizer, and then the fertilizer is prepared by the inorganic salts. The method has the characteristics that material taking and de-energizing can be realized safely from the explosive device, and the fertilizer capable of being utilized by human can be prepared by the energetic materials, thereby turning waste into wealth and creating great economic benefit.

The invention belongs to a pesticide residue cleaning agent, in particular relates to a selenium-containing pesticide residue cleaning agent which is characterized by being prepared according to the following steps of: crushing and grinding 5-15 parts of liquorice root, 5-15 parts of the root of red-rooted salvia, 40-60 parts of chuanxiong rhizome, 40-60 parts of radices lithospermi, 40-60 parts of honeysuckle flower, 40-60 parts of dandelion, 40-60 parts of plantago asiatica and selenium in parts by weight into powder; taking the powder to be placed in 10-15 times of hot water with the temperature of 60-70 DEG C for soaking and stirring for 14-16h, filtering and then adding 0.5-1.2 parts of selenium salt to obtain the pesticide residue cleaning agent. The pesticide residue cleaning agenthas the advantages of easiness in purchasing Chinese medcinal herbs, low cost, convenience for preparation and use, and is an environment-friendly cleaning agent of the crop pesticide residue.

The invention provides a hardener which comprises phosphate, hydrophosphate, sulfite, antimonic salt and/or selenium salt and a complexing agent, wherein the sulfite is alkali metal sulfite. The hardener obtained by match of the substances for use in electroplating to prepare a gold product not only can remarkably improve the stability of the electroplate liquid so as to make the electroplating process be stably processed, but also further can improve the hardness of the gold product, so that the hardener has an extremely good industrial application prospect.

A forage additive for improving the reproductive power of female animal and the laying rate of fowls is prepared from gamma-oryzanol, isoflavone, motherwort, selenium salt of methionine, VA, VD3, VE, VB1, VB2, and antibacterial agent.

The invention provides a composite nutrient balancing flour which is prepared through combining vitamins, minerals, dietary fiber, natural nutrients, grease emulsification, it also comprises flour, folic acid, nicotinic acid, retinol acetic ester, calciferol, sulfur ammonium, lactoflavin, chlorhydric pyridoxol, L-ascorbic acid, L-lysine hydrochlorate, calcium salts, ferric salts, zinc salts, selenium salts, cereal germ powder, defatted soybean powder, composite cereal and potatoes, dietary fabric, composite biological enzymes. The preparation comprises the steps of weighing, blending, diluting, mixing masterbatch and carrier flour homogeneously by a predetermined proportion, and loading into beading machine through auger delivery.

The invention relates to a production method of selenium-enriched black fungus, comprising the following steps of: adding selenium salt in a strain medium of liquid seed production during preparation of liquid strain based on known strain medium prescription and cultivation management of liquid seed production of various black funguses; spraying the selenium salt dissolved in the strain medium into the sacked material where the black fungus grows along with the black fungus seed, exerting a decisive impact on the concentration of the selenium salt in the sacked material; controlling selenium content of the sacked material where the black fungus grows by controlling the concentration of the selenium salt of liquid strain medium. The method ensures that the selenium content of black fungus in unit weight is stable in the required scale while ensuring that each batch of black fungus taking the sacked material as nutrient contains selenium.

The present invention relates to a kind of Chinese medicine composition for strengthening immunity, beautifying and treating skin disease. The Chinese medicine composition is prepared with prepared rhizome of rehmannia, astragalus root, angelica, licorice, aweto, and other nine kinds of Chinese medicinal materials as well as selenium salt in certain weight proportion. It may be orally taken or locally applied to reach the functions of stopping itching, resisting hypersensitive response, relieving pain, eliminating acne, whitening and delaying senility.

The invention discloses a method for cultivating corns rich in selenium, zinc and ferrum. During heading period of the corns, chelating fertilizer rich in selenium, zinc and ferrum is applied to soil for planting the corns, the chelating fertilizer rich in selenium, zinc and ferrum comprises chelating selenium salt, chelating zinc salt and chelating ferrum salt, the chelating agent of the chelating selenium salt is amino acid, and the chelating agent of the chelating zinc salt and the chelating agent of the chelating ferrum salt are ethylenediaminetetraacetic acid; the application amount of the chelating fertilizer rich in selenium, zinc and ferrum is determined according to selenium elements, zinc elements and ferrum elements in the chelating fertilizer, the application amount of the selenium elements ranges from 0.8 g/mu to 1.5 g/mu, the application amount of the zinc elements ranges from 80 g/mu to 150 g/mu, and the application amount of the ferrum elements ranges from 150 g/mu to 200 g/mu. The corn compound fertilizer is applied while the chelating fertilizer rich in selenium, zinc and ferrum is applied. Compared with a control group where only the fertilizer with one or two kinds of the selenium elements, the zinc elements and the ferrum elements is applied and a control group where only the corn compound fertilizer is applied, the content of selenium, the content of zinc and the content of ferrum in the corns harvested in the experimental group with the chelating fertilizer rich in selenium, zinc and ferrum applied are greatly improved.

The invention discloses a production method for selenium-enriched ganoderma mycelium. The method comprises steps of: selecting strains, performing procedures of shaker, first-stage enlargement, second-stage enlargement and a selenium salt culture fermentation process at 25-26 DEG C, and finally performing pressure filtration and drying and crushing. The invention has the beneficial effects: ganoderma is enabled to accumulate selenium elements in a submerged liquid culture by designing a culture medium formula and optimizing and improving a production process, so that an inorganic form of selenium is transformed into organic selenium, so as to form a component of a ganoderma mycelium structure; therefore, selenium content of produced selenium enriched ganoderma mycelium is as high as 75-90 ppm; furthermore, organic selenium is more conducive to human body absorption; the selenium enriched ganoderma mycelium not only has wide pharmacological effects that the ganoderma has, but also has the pharmacological effects of the selenium element, including anticancer and anti-aging function, increasing of immunity-, improving of reproductive function and adjusting of absorption and utilization of vitamins, thereby providing a way for developing the efficient medicinal value of the ganoderma. The production process is easy and controllable, and mass production can be implemented.

The invention provides a method for planting microelement-enriched cistanche. According to the method, microelements such as calcium salt, iron salt, selenium salt, boron salt, molybdenum salt, chromium salt and the like are mixed with an EM (effective microorganism) solution, a mixture is applied to sacsaoul on which the cistanche is parasitized, the sacsaoul absorbs the microelements, and the cistanche is utilized to absorb nutrient and water in a sacsaoul host, so that the microelements are enriched in the cistanche, the microelement enrichment is further improved, and the effect of the cistanche is improved. Compared to the prior art, the planting method is simple; and the cistanche obtained by planting is enriched in microelements such as calcium, iron, selenium, boron, molybdenum, chromium and the like, thereby having relatively high commercial and medicinal values.

The present invention solves the need for non-toxic forms of selenium which is an essential part of the human diet. This invention provides novel dried-yeast products containing selenium as well as a method of producing the dried yeast products. The method uses selenium having high biological activity but low toxicity. The invention also provides nutritional supplements containing the novel selenium-containing dried yeast products and methods of administering these products and supplements to improve human health.

The invention discloses a planting method for selenium-enriched honey-dew melons, and relates to the technical field of planting. The planting method comprises the steps of sowing, seedling raising, planting, field management, soil treatment with a disease-resistant substrate before planting and application of a selenium nutrition agent to the honey-dew melons during planting; a preparation methodof the disease-resistant substrate comprises the steps that crop straw is crushed and then mixed with soybean flour and corn flour, bagging, high-temperature sterilization and cooling are conducted,and the mixture is inoculated with a bacillus subtilis bacterial agent is added for fermentation to obtain the disease-resistant substrate; a preparation method of the selenium nutrition agent comprises the step that 20-30 parts of chelate selenium salt, 2-7 parts of malt extracts and 1-5 parts of chlorella extracts are mixed to prepare slow-release capsular particles with the particle size of 10-20 mm. By means of the method, not only can the occurrence of diseases of the honey-dew melons be reduced, but also the waste of selenium can be reduced, and the planted honey-dew melons meet seleniumenrichment standards.

The invention belongs to the technical field of metallurgy, and particularly relates to a method for separating tellurium in the high tellurium containing complex crude selenium refining process. A certain amount of sodium carbonate is added to crude selenium, selenium and tellurium both can react with sodium carbonate to generate corresponding salt in the oxidation process, selenium salt is heated to be fast decomposed and volatilized at certain temperature, and generates corresponding selenium dioxide with oxygen, selenium dioxide is absorbed by water to generate a seleninic acid solution, and tellurium salt is not likely to volatilize and is mostly enriched in oxidizing slag. The oxidizing temperature of one segment of an oxidizing furnace is increased, tellurium and selenium are fully separated, the acidity of the seleninic acid solution is improved through sulfuric acid before reduction, the reduction rate of SO2 on tellurium is lowered, tellurium in the seleninic acid solution is left in the solution as much as possible, and therefore selenium and tellurium are further separated, and the quality of fine selenium powder is ensured. According to the method, the process of an oxygen oxidation method is optimized, the production period is shortened, the quantity of reagents is reduced, production cost is reduced, the direct recovery rate of selenium is improved to 94% from original 92.6%, and good popularization value and economic benefits are achieved.

The invention discloses a MoSe2@C electrospinning hollow nano-fiber and a preparation method and application thereof. The preparation method comprises the steps that water-soluble molybdenum salt is dissolved into deionized water in a ratio, and magnatically stirred until the solution is transparent; polyvinyl alcohol is added, and stirring is conducted until the solution becomes transparent sol,wherein the mass fraction of a molybdenum source in ammonium molybdate tetrahydrate is 5-15%; the prepared transparent sol is subjected to electrostatic spinning to obtain nano-fiber containing MoO2;the nano-fiber is sintered in a tube furnace to obtain carbon-coated MoO2; the carbon-coated MoO2 is put into ammonium hydroxide for etching so as to obtain a hollow structure, and after centrifugal treatment, hollow nano-fiber is obtained; the hollow nano-fiber is added into a solution prepared from soluble selenium salt, hydrazine hydrate and deionized water, a hydrothermal reaction is carried out, and after centrifugal treatment and drying, the MoSe2@C hollow nano-fiber is obtained. The raw materials are easy to obtain, the preparation process is simple, controllable reaction conditions aremild, and the finished product is high in specific surface area, excellent in electrical conductivity and structural stability.

The invention discloses a multifunctional trace element foliar fertilizer and a preparation method and application thereof, and belongs to the technical field of foliar fertilizers. The multifunctional trace element foliar fertilizer comprises, by weight, 4-8 parts of organic selenium, 4-8 parts of selenium salt, 1-5 parts of organic germanium, 1.5-3.5 parts of chelated iron, 15-25 parts of zinc sulfate, 27-32.5 parts of magnesium sulfate, 18-28 parts of boric acid or borax, 0.5-1 part of compound sodium nitrophenolate, 1.5-3.5 parts of strontium chloride, 2-5 parts of citric acid, 0.3-1 partof a surfactant, 0.3-1 part of a penetrant and 0.3-0.8 part of an anti-caking agent. The invention also provides a preparation method and application of the multifunctional trace element foliar fertilizer. The foliar fertilizer integrates trace elements required by human bodies such as germanium, selenium, zinc, iron, strontium, boron, magnesium and the like and medium elements required by plantsinto a whole, and the foliar fertilizer can be applied to crops to achieve balanced supplement of the trace elements of the human bodies and achieve the aim of increasing the yield of the crops.

The invention discloses a method for preparing aminoglucose lycine selenium salt, which comprises aminoglucose preparation, aminoglucose selenite preparation, taking reaction with aminoglucose selenite preparation and lycine, and getting finished product. The invention is characterized by simple process, easy to get raw material and low cost. The selenium salt complex is produced with bivalent monohydrate selenium dioxide anion with aminoglucose and lycine. It is easy for aminoglucose to enter into human organ cell, and it is original component for amino glucoprotein during cell growth and cracking, and selenium is necessary microelement and selenium-containing amino acid is converted into selenium protein.

The invention discloses a preparation method of a culture medium for selenium-enriched lucid ganoderma. The preparation method comprises the following steps: (1) mixing selenium salt, sugar, probiotics, amino acid and pure water to form a fermentation liquid, and performing fermentation; (2) sterilizing and inactivating the fermentation liquid to obtain a selenium-rich liquid; and (3) mixing 20-30parts by weight of cottonseed hulls, 10-20 parts by weight of wood flour, 8-15 parts by weight of bran, 1-6 parts by weight of vitamin, 10-15 parts by weight of monopotassium phosphate, 5-10 parts byweight of gypsum, 8-16 parts by weight of malt, 2-8 parts by weight of corn flour, 10-20 parts by weight of corncob and 10-20 parts by weight of the selenium-rich liquid to obtain the culture mediumfor selenium-enriched lucid ganoderma. Inorganic selenium is transformed into organic selenium through probiotics fermentation, and the obtained organic selenium is added into the culture medium for the lucid ganoderma, so that the selenium is enriched in the body during the growth process of the lucid ganoderma, and the selenium-enriched lucid ganoderma with high selenium content is cultivated.

The invention relates to a culture method of selenium-rich lentinus edodes, which is characterized in that on the basis of culture medium sacked material formulas and culture management of currently known various lentinus edodes, only a selenium saline solution needs to be additionally added in the process of stirring materials in a culture medium, the total amount of the selenium salt dissolved in water plays decisive action on the concentration of the selenium salt of culture medium sacked materials, and the selenium content of the lentinus edodes taking the culture medium as nutrients is controlled by controlling the concentration of the selenium salt of the culture medium sacked materials, thereby ensuring that each batch of produced lentinus edodes has enriched selenium, and simultaneously enabling the selenium content of unit weight of the lentinus edodes to be stabilized in the required range.

The invention discloses a natural astaxanthin-containing premix compound which comprises the following components according to weight ratio: 30-80g/kg of broken wall haematococcus pluvialis powder, 150-300g/kg of bean pulp, 150-200g/kg of calcium hydrophosphate, 150-250g/kg of mountain flour, 50-70g/kg of table salt, 0.6-0.9g/kg of nicotinic acid, 0.1-0.2g/kg of D-calcium pantothenate, 0.0016-0.0024g/kg of biotin, 7.5-12.5g/kg of choline chloride, 0.256-0.512g/kg of copper salt based on the content of copper, 1-2g/kg of ferric salt based on the content of ferrum, 1.2-2.4g/kg of zinc salt based on the content of zinc, 1.3-2.6g/kg of manganese salt based on the content of manganese, 0.02-0.04g/kg of iodate salt based on the content of iodate, 0.003-0.007g/kg of selenium salt based on the content of selenium, 20-35g/kg of methionine, 0.33-1.0g/kg of ethoxy quinoline, 1-3g/kg of phytase, 5-15g/kg of composite microecologics, 1-3g/kg of xylo-oligosaccharide and 80-120g/kg of bentonite. The natural astaxanthin-containing premix compound can remarkably improve the laying rate, reduce mortality and elimination rate, ensure proper colors of red-yolk eggs, promote the feed conversion rate, improve the production performance of laying hens and the eggshell quality, reduce the occurrence of diseases, and improve the economic efficiency.