149results about How to "Adjustable pH" patented technology

The component of the paper soap include carboxymethyl cellulose sodium, fatty alcohol polyioxymethyl ethyleneethere sodium sulfate, sodium dodecyl benzene sulfonate, lauryl sodium sulfate, cocinin diethanolamide, nonly phenol polyoxyethyleneether, glycerine, quaternary ammonium salt and citric acid. Its preparation includes preparing carboxymethyl cellulose sodium mother liquor, adding the mixed solution of other components to prepare solution through stirring, spraying the prepared solution of PVC plate and drying in a sealed room and moisture extract at 35-40 deg.c to form film.

The invention provides a broad spectrum heavy metal activity deactivator preparation method. The present invention relates to a soil conditioning agent preparation method, which comprises the following steps: (A) taking humic acid-rich peat, digest compost or a forest soil humus layer, and carrying out screening to provide a spare use; (B) adding the humic acid-rich material to HCl or HNO3 to soak, and stirring 2-3 times; (C) filtering the soaked material with a bamboo drying pad, washing 2-3 times with clear water, and carrying out air drying to a moisture content of less than 5%; (D) sequentially adding ZnSO4.7H2O, sodium silicate and sodium selenite to the material obtained from the step (C), carrying out aging on the mixed material for 2-3 days and uniformly mixing; and (E) adding limestone powder to the material obtained from the step (D), and completely and uniformly mixing to prepare the broad spectrum heavy metal deactivator. With the combination inhibitor prepared by the preparation method, activities of soil heavy metals can be significantly inactivated, the heavy metals can be inhibited from entering the food chain, and risks on human health by the heavy metals can be reduced.

The invention belongs to the heating material field and in particular discloses a chemical heating composition which comprises iron powder, bamboo carbon powder, non-sodium soluble inorganic salt, water, inorganic porous water retention agent and super absorbent resin. In air, the heating composition can be used as heating material, and wastes of the heating composition can be reused as fertilizer and soil amendments. In addition, a heating bag which is provided with double-layer structure is also disclosed by the invention. The internal layer is a permeable package bag which is full of the chemical heating composition. The external layer is non-permeable package bag. The permeable package bag of the internal layer is processed from biodegradable nonwoven fabrics and biodegradable plastics. After being abandoned, the permeable package bag of the internal layer can be biodegradable, and pollutions to the environment are avoided.

The invention discloses an efficient multi-element compound fertilizer, which consists of hexanoic acid 2-(diethylamino) ethyl ester, polypeptide chelated potassium, polypeptide L-aspartate potassium, urea, potassium chloride, diammonium phosphate, calcium superphosphate, potassium dihydrogen phosphate, calcium-magnesium phosphate fertilizer, ammonium chloride, thiamine, zinc chloride, borax, ferrous sulphate, copper sulphate, manganese sulfate, sodium molybdate, cobalt chloride and silicon-manganese phosphate fertilizer. The efficient multi-element compound fertilizer has the advantages of promoting the growth of crops, improving the disease resistance of the crops, resisting falling, insect pests and frozen injury, improving the fertilizer effect, improving the soil, accelerating the growth of branches and leaves, reinforcing the photosynthesis, accelerating the growth of roots, enhancing the drought resistant capacity, improving the yield of the crops and improving the quality of fruits. The yield of grain crops is averagely increased by more than 26 percent, the yield of economic crops is averagely increased by more than 33 percent, and the yield of vegetable crops is averagely increased by more than 42 percent.

The invention relates to an iron tailing soil improvement agent and an iron tailing soil improvement method. The iron tailing soil improvement agent comprises biochar, rice husks, ceramsite, organic fertilizers, attapulgite powder and planting soil. A mass ratio of the biochar to the rice husks to the ceramsite to the organic fertilizers to the attapulgite powder to the planting soil is (0.5-3):(0.2-1):(0.5-1.5):(1-4):(1-2.5):(1.0-2.2). The iron tailing soil improvement agent and the iron tailing soil improvement method have the advantages that the particle size of soil can be improved by theaid of the iron tailing soil improvement agent, the loss rate of water in the soil can be eased, the water retention capacity can be enhanced, organic matters can be quickly and effectively supplemented, the content of organic matters in tailing can be effectively increased, and suitable environments can be provided for plant growth; the rice husks and the ceramsite are matched with one another, the porosity of iron tailing soil can be improved, the hardening degree of the soil can be lowered, the tailing soil can keep in excellent gas-permeable and soft states for a long term, accordingly, the iron tailing soil improvement agent and the iron tailing soil improvement method are favorable for respiration of animals and plants in the soil, and the survival rate can be increased.

The invention discloses a method for preparing ortho-cresol and 2,6-dimethylphenol and is characterized in that a reaction mixed liquid at the mole ratio of phenol to methanol to water being 1: (2-5): (1-3) is pumped the into a reactor by the use of a pump at the feeding space velocity of 0.5-2 hr<-1>; N2 with the flow velocity of 10-25 mL/min is used as a carrier gas; and a vapor-phase alkylation reaction is carried out at the reaction pressure of normal pressure to 0.5 MPa at the reaction temperature of 320-380 DEG C and under the condition of an alkaline Fe/Mg/Sb composite oxide used as a catalyst. The method provided by the invention has advantages as follows: high average conversion rate of phenol, long one-way service life of the catalyst, high ortho-selectivity, and no generation of impurities m.p-cresol and anisole. In addition, the process is simple, and the method is suitable for continuous large-scale production of ortho-cresol, or reallocation of 2,6-dimethylphenol, or co-production of ortho-cresol and 2,6-dimethylphenol.

This invention provides a chemical method for synthesizing soluble titanium dioxide nanocrystal at low temperature, characterizing in that: using titanium tetrachloride and titanium trichloride mixed hydrochloric acid solution as titanium source, with hydrogen dioxide and alkaline solution as adjuvant material, applying open system reflux reaction apparatus or closed system low-temperature heat reaction apparatus, leave the reaction for 1-12 h between 100 and 180Deg C. The yield of the titanium dioxide nanocrystal synthesized by this method is 30-70g/l. The obtained titanium dioxide nano particle has an anatase phase structure and a high degree of crystallization. The particle size is homogeneous and the particle diameter is distributed between 3 and 20nm, which is easily dispersed. The titanium dioxide nanocrystal has superior photocatalysis, deodorizing, antibacterial and mildew-resistant properties. This method is characterized of combining hydrolysis, crystallization and dispersion in one step, low reaction temperature, strong apparatus universality, easy-obtained and low cost raw material, and high yield.

The invention discloses a biological deodorization filler with a physical, chemical and biological synergistic effect. The biological deodorization filler is prepared from the following raw materials in percentage by weight: 15 to 20 percent of a shell material which achieves a neutralizing effect to adjust the pH of a system, 70 to 85 percent of a volcanic rock material for providing a microorganism growing environment and adsorbing pollutants and 1 to 15 percent of a pyrite slag material for enhancing the capacity of removing reducing pollutants. A filling mode of the biological deodorization filler is as follows: a mixture of the volcanic rock material and the pyrite slag material is used as an upper-layer filler, and the shell material is used as a lower-layer filler; a gap which is 10 to 20 mm in height is reserved between the two layers of fillers. The component materials of the biological deodorization filler are wide in source, and the biological deodorization filler has an adsorption effect on all types of pollutants in gas, is long in service life, favorable for biological growth and high in system buffer capacity and stability, enhances the removal effect on the reducing pollutants such as hydrogen sulfide and realizes regeneration of components achieving an oxidization effect.

The invention discloses a kitchen waste (food waste) treatment method which is used for fine treatment and anaerobic digestion of the kitchen waste (food waste). The method mainly comprises three major steps of: enzymolysis pretreatment, solid-solution separation and anaerobic fermentation, wherein the steps are connected through plate chain machines and helixes or pipelines. The major innovationpoint is that an enzymolysis process is added in a kitchen waste (food waste) pretreatment process, and the enzymolysis process can promote hydrolysis of proteins in the crushed kitchen waste (food waste), so that a utilization rate of organic substances and a biogas yield at an anaerobic digestion stage are increased; meanwhile, the method realizes efficient separation of dry and wet materials through a high-pressure extruding mode, and is complete in solid-liquid separation; and moreover, pressure is set for quickly separating out organic substance slurry from the kitchen waste (food waste),so that the separating effect is good, and therefore, the kitchen waste (food waste) treatment method can be widely applied to the kitchen waste (food waste) treatment field.

The invention discloses a selenium enrichment and cadmium reduction rice planting method, and belongs to the technical field of planting. The planting method includes the steps: field selection; rice seedling culture; site preparation and fertilization; transplantation; field management; rice harvesting and storage. Field management includes spraying selenium-containing leaf fertilizers to leaf surfaces, wherein the selenium-containing leaf fertilizers comprise sodium selenite, citric acid monohydrate, urea, potassium chloride and monopotassium phosphate. Particularly, the selenium-containing leaf fertilizers are sprayed to the leaf surfaces once or twice within specified time before rice breaks, selenium enrichment and cadmium reduction effects can be simultaneously achieved, and the method has the advantages of simplicity in implementation and remarkable effects.

The invention discloses a fertilizer special for bananas. The fertilizer is prepared from nitrogenous fertilizer, phosphatic fertilizer, potash fertilizer, silicon-calcium-magnesium organic fertilizer, nitrohumic acid, amino acid, organic microelements, inorganic microelements, biomass ash residue and lime powder. The organic microelements comprise tartaric acid complex copper, sucrose complex iron, sucrose complex zinc, sucrose complex manganese, sucrose complex magnesium, humic acid complex potassium, humic acid complex magnesium, humic acid complex molybdenum, humic acid urea iron and EDTA chelation boron. According to the fertilizer special for bananas, the organic fertilizer and the inorganic fertilizer are reasonably combined, so that the fertility lasting time is longer, plant body resistance can be effectively adjusted, diseases are reduced, and the yield is improved; the crop quality is greatly improved, and the taste is good. The fertilizer special for bananas can resist diseases and disasters, improve the immunity of bananas, and well prevent commonly-occurring diseases of bananas.

The invention discloses a liquid fertilizer for soil improvement. The liquid fertilizer for soil improvement comprises the following components in percentage by weight: 5 to 15 percent of sugar alcohol, 20 to 35 percent of nitrogen fertilizer, 10 to 20 percent of phosphorus fertilizer, 5 to 15 percent of potassium fertilizer, 20 to 30 percent of organic acid and the balance of water. According to the liquid fertilizer for soil improvement, provided by the invention, through reasonable proportioning correspondence of the sugar alcohol, the nitrogen fertilizer, the potassium fertilizer, the phosphorus fertilizer and the organic acid, the sugar alcohol and the elements such as potassium, calcium and magnesium form a stable compound, so that the liquid fertilizer can promote crops to absorb nutrients, the soil environment is improved, the utilization rate of the fertilizer is increased and the quality of the crops is improved; meanwhile, the organic acid can adjust the pH value of the soil and can promote release of the phosphorus in the soil, and the phosphorus can be compounded with heavy metal ions in the soil to form the stable compound, so that the soil environment is improved, the utilization rate of the fertilizer is increased, and the quality of the crops is improved.

The invention provides a high-energy paper pulp release agent. The preparation method comprises the following steps: by taking cycloalkyl low viscosity base oil and Enable460M synthesized sodium sulfonate as fundamental research, treating through an advanced lubricating oil blending and filtering system; then compounding various additives such as a BK hexahydro-triazine bactericide, an MBM bactericide, T-405 vulcanized cottonseed oil and S2215C universal emulsified oil; stirring; finally adopting a triethanolamine to assist acid-base balance modulation so as to synthesize the high-energy paper pulp release agent. The product can be directly applied to paper pulp and further can be prepared to an emulsion for spraying a cylinder. The high-energy paper pulp release agent is low in cost, harmless to a human body and environment-friendly, and can be used for solving the problem of break, hair slip and powder fall of paper in the papermaking process in the paper industry, and reducing the cylinder adhering phenomenon in papermaking. The smoothness and glossiness of paper can be improved to a greater extent without affecting the strength of paper, and the paper quality is improved. Meanwhile, the high-energy paper pulp release agent has a good lubricating and protecting effect on a wrinkling scraper of a dryer, so that the service life of the scraper is prolonged.

The invention discloses a compound microbial inoculant for purifying mariculture wastewater. The compound microbial inoculant comprises a compound microbial flora, an adsorption vector and an effervescent auxiliary material, wherein the compound microbial flora is primarily composed of pseudomonas SC221-M and bacillus subtilis. The adsorption vector comprises nano titanium dioxide, nano silicon dioxide, medical stone flour and bamboo carbon powder. The effervescent auxiliary material is preferably carbonate and an organic acid. The invention also discloses a preparation method of the compoundmicrobial inoculant for purifying mariculture wastewater. The invention has the beneficial effects that the compound microbial inoculant is prepared by mixing the compound microbial flora, the adsorption vector and the effervescent auxiliary material, wherein the specific surface area, adsorptivity, biocompatibility and good microorganism fixing property of the adsorption vector is coordinated with gas buoyancy generated by the effervescent auxiliary material to increase the contact area of the compound microbial inoculant and the mariculture wastewater, enhance the degrading ability to pollutants and remove wastewater pollutants effectively, so as to achieve the purpose of purifying the mariculture wastewater.

The invention discloses a processing method for livestock and poultry died of illness. The processing method comprises the following steps that livestock and poultry died of illness are disintegrated through a disintegrator; disintegrated dead bodies are loaded into an disintegrated material receiving device; the disintegrated dead bodies are put into a drying chamber and subjected to direct sterilization drying through hot gas with the temperature being 120-320 DEG C, and grease flowing out in the sterilization drying process is collected and utilized; meat, hairs, bones and other substances subjected to sterilization drying are subjected to squeezing processing; the grease and surplus materials are obtained after squeezing processing, and after being smashed, the obtained surplus materials are added with a mixture to be made into raising raw materials; 100 mass parts of the raising raw materials are added with 0.5-1 mass part of EM original liquor, the raising raw materials and the EM original liquor are mixed and then ferment for 3-5 days, and raising materials with the water content being 55 wt%-70 wt% is prepared; black soldier flies are inoculated in the raising materials, and the raising materials are used for supplying food to black soldier fly larvae; after the raising materials are converted into small-granular residues, the larvae and the residues are separated, and the black soldier fly bodies and the surplus residues are obtained; and the surplus residues are used for making organic fertilizers.

The invention discloses a special sulfur and resin double-coated humic acid controlled-release fertilizer suitable for culturing potatoes in an arched shed. The fertilizer is characterized by comprising the following components in percentage by weight: 80 to 120 percent of resin coated urea, 100 to 150 percent of sulfur coated urea, 75 to 125 percent of diammonium phosphate, 100 to 160 percent of potassium sulfate, 400 to 560 percent of humic acid controlled-release compound fertilizer, and 50 to 70 percent of boric magnesium fertilizer. Compared with the prior art, the special sulfur and resin double-coated humic acid controlled-release fertilizer suitable for the potatoes is compounded by using the nutrient release property of a sulfur and resin double-coated fertilizer and the controlled-release synergistic effect of humic acid on nutrients according to the nutrient absorption law of the potatoes; and good fertilization and absorption effects are ensured by compounding a certain amount of medium and trace elements and combining release control of the nutrients.

The invention relates to a preparation method of a saw dust soilless culture substrate. The preparation method comprises the following steps: (1) adding water into saw dust until water saturation is reached and water seeps exactly; (2) adding copperas and urea into the saw dust added with water, and overturning and stirring to uniformly distribute copperas and urea in the saw dust, wherein 1kg-2kg of copperas is added into each cubic meter of saw dust and 0.5kg-1.5kg of urea is added into each cubic meter of saw dust; and (3) fermenting the saw dust added with copperas and urea for 40-60 days in open air, so as to obtain the saw dust soilless culture substrate. The invention further relates to the saw dust soilless culture substrate prepared by virtue of the preparation method.

The invention belongs to the field of agriculture, and particularly designs biological organic compound fertilizer for fragrant-flowered garlic and a preparation method thereof. The biological organic compound fertilizer for the fragrant-flowered garlic is prepared from the following components in parts by weight: 40 to 55 parts of soybean meal, 25 to 30 parts of rape seed cake, 30 to 35 parts of bran, 35 to 45 parts of herba patriniae residue, 15 to 20 parts of herba taraxaci residue, 5 to 10 parts of ramulus cinnamomi residue, 10 to 20 parts of herba portulacae residue, 5 to 8 parts of buckwheat protein, 12 to 30 parts of complex probiotics, 2 to 6 parts of surface active agent, 10 to 20 parts of active material, 1 to 2 parts of cellulase, 2 to 3 parts of trace element and a proper volume of water. The biological organic compound fertilizer for the fragrant-flowered garlic is made by carrying out a two-step fermentation process through a biological fermentation technique. The biological organic compound fertilizer for the fragrant-flowered garlic and the preparation method thereof are high in practicability; the problem of the yield reduction caused by plant diseases, insect pests and the malabsorption of nutrient substances can be effectively solved.

The invention discloses a special active humic urea controlled-release compound fertilizer for garlic and a preparation method of the compound fertilizer. A low-activity humic acid raw material is used as a raw material, compound fertilizer production equipment is combined, urea and ammonium sulfate are used as active agents, the humic acid in the humic acid raw material is transformed and activated in an activating reaction tank by using a molten ammonium sulfate-urea solution to form an active humic urea solution, compound fertilizer production is combined, the active humic urea solution is sprayed onto compound fertilizer materials in a granulation barrel, rolling granulation, drying and screening are carried out, and the special humic urea controlled-release fertilizer product for the garlic is obtained. The compound fertilizer has the characteristics of simple operation process, low cost, high production capacity, bright and round granules, efficient release control of nutrients, high utilization rate and the like, can be used for greatly improving the yield and quality of crops and improving the fertilized soil, and has a very broad market prospect.

The invention discloses a detection reagent, a detection method and a detection instrument for proteins. The reagent is prepared by the following steps: dissolving 0.1 to 10 weight parts of acid orange-12 into 1 to 500 weight parts of buffer solution of phosphoric acid; adding 1 to 500 weight parts of glacial acetic acid; and finally, diluting with 1 to 5,000 weight parts of water, and oscillating and mixing to obtain the detection reagent for the proteins. Compared with the traditional method, the detection method can effectively detect the content of true proteins, and detect the proteins in a wide range; and the detection accuracy is basically not interfered by non-protein nitrogen-containing compounds such as carbamide and melamine. The instrument has small structure, and is convenient to carry. The detection reagent, the detection method and the detection instrument can be widely applied to quick detection of milk products in the basic level and on the spot.

The invention discloses an oil/fat liposome and a preparation method thereof. The oil/fat liposome is characterized in that the oil/fat liposome comprises oil/fat and fat globule membrane phospholipidcoated on the surface of the oil/fat; the oil/fat liposome is prepared by a mutual coordination between polar lipid from milk (fat globule membrane phospholipid) and the oil/fat, thus, insurmountableproblems of traditional processes of the oil/fat in pharmaceutical preparations or food processing can be effectively solved, application quality of the oil/fat is greatly improved, and application value of the milk polar lipid is realized.