75results about How to "Eliminate poison" patented technology

The present invention is one kind of composite zeolite biofertilizer and its preparation process. The zeolite is first modified to loosen its frame structure, raise the content of effective components, such as P2O5 and K2O, in zeolite, and raise its unique chemical and physical performance, ion exchange property, adsorption and catalytic property. The modified zeolite is then compounded with several kinds of organic matter as carrier, inoculated with composite ferment bacteria for fermentation into base fertilizer, and compounded with ammonium humate fertilizer, nitrogen fertilizer, phosphate fertilizer and potash fertilizer and trace element fertilizer, so as to form the composite green fertilizer capable of providing plant with multiple nutrient components to raise the yield and quality of plant.

The invention discloses a beneficial microorganism antibiont-free feed and a preparation method of the beneficial microorganism antibiont-free feed. The preparation method comprises the following steps of: preparing a Lactobacillus acidophilus bacteria solution, a lactobacillus plantarum bacteria solution, a Saccharomyces cerevisiae bacteria solution and a Bacillus licheniformis bacteria solution respectively by carrying out secondary fermentation; then mixing the Bacillus licheniformis bacteria solution with cottonseed meal to carry out aerobic fermentation; mixing the fermented cottonseed meal, corn flour, beer slag and premixes uniformly, and adding a compound bacteria solution prepared from the Lactobacillus acidophilus bacteria solution, the lactobacillus plantarum bacteria solution and the Saccharomyces cerevisiae bacteria solution, mixing uniformly, carrying out constant temperature fermentation, thus obtaining the antibiont-free feed. The antibiont-free feed disclosed by the invention is not added with antibiotic medicines, is high in the content of the beneficial microorganism, has good attractant performance, palatability, and high nutrition digestion and absorption rate, increases the feed intake of animals, promotes the animal growth, enhances the level of animal health, and improves animal immune resistance to disease. The antibiont-free feed is applicable to breeding of antibiont-free livestock and poultry products, so that the breeding cost can be lowered, the economic efficiency is enhanced and the healthy development of aquaculture is promoted.

The invention relates to the technical field of surface treatment technologies of metal materials and discloses a general phosphating agent which is suitable for surface treatment of metal materials such as steel, aluminium, zinc and the like. The general phosphating agent contains the following components: zinc oxide, nicdel nitrate, manganese carbonate, phosphoric acid, nitric acid, fluosilicic acid, an additive and water. The invention aims to provide the general phosphating agent with good versatility. The general phosphating agent can be widely used in surface treatment of metal such as steel, aluminium, zinc and the like and can be used to raise anticorrosion performance of metal surface.

The invention provides a preparation method and use of a rare earth coated titanium polyesterification catalyst. The preparation method comprises: heating a solvent to a certain temperature; dissolving a titanate, a phosphate, a silicate ester and other metal compounds in the organic solvent, stirring, keeping the temperature, dripping a small amount of water to promote hydrolysis and obtaining ared precipitate; and repeatedly washing the obtained red precipitate with acetone, removing residual ethanediol, drying the precipitate at 70 DEG C under vacuum and obtaining red powdered catalyst. The polyester prepared by using the catalyst has good hue, other properties of the titanium catalyst are also improved, the catalyst does not contain toxic stibium compounds, and therefore the toxicityof the stibium compounds to the environment and human body is eliminated. The preparation method is mainly to solve the technical problem of the conventional polyesterification process and the yellowing problem of polyethylene glycol terephthalate (PET) and improve the quality of the polyester.

The invention relates to resin for water-soluble anode electrophoretic paint. The resin comprises raw materials in following weight parts: 56-63 parts of anacardol, 7-12 parts of formaldehyde with 37% concentration, 1.9-2.6 parts of hexamine, 5-8 parts of maleic anhydride, 10-18 parts of butanol, 4.5-5.5 parts of monoethanolamine and 3 parts of toluene. The preparation method includes firstly condensing the anacardol and the formaldehyde to react until central control is qualified under the action of hexamine catalyst; secondly, subjecting the maleic anhydride to addition; and thirdly, neutralizing to obtain water-soluble resin with the monothanolamine. The resin for water-soluble anode electrophoretic paint has the advantages of high rigidity, impact resistance and fine elasticity, quality of the paint can be improved, binding force of paint film is high, members in various geometric shapes can be uniformly painted, pollution can be reduced, and cost can be saved.

The invention discloses an alloy refining agent and a preparation method thereof, wherein the alloy refining agent comprises, by weight percentage, 0.1-10% of lanthanum and cerium rare earth metals and 1-30% phosphor metal. According to the invention, a refining property of intermediate alloy of Al-Ti-C and Al-Ti-B and a mechanical property of aluminium-silicon alloy are improved, for silicon and titanium in a melt will form some stable compounds, which can refine the intermediate alloy, inhibit further coarsening of crystal grains, and solve phenomenon of Si poison, so that structural form of silicon phase is well controlled.

The invention relates to a method for synthesizing a pregnenolol acetate and a congener thereof. In the method, a three-step reaction consisting of cracking, oxygen oxidation and rearrangement and elimination is undergone in a 'one-pot' based on steroid sapogenin to obtain the pregnenolol acetate and the congener thereof. By adopting the method, the problem of environmental pollution caused by the use of a metal compound and high-toxicity pyridine hydrochloride is solved in the reaction, and the problem of the harm of high-toxicity solvents, including acetonitrile, benzene and the like to operating personnel is eliminated. The method has the advantages of simple equipment, easiness and convenience for operation, mild condition and high total yield. A more environmentally-friendly and simpler method is provided for the industrial production of pregnenolone acetate.

The present invention discloses one kind of bacterial strain for desulfurizing sulfur-containing heterocyclic ring compound in fuel oil. The bacterial strain is named as Mycobacterium ZD-19, and has the preservation number of CGMCC No. 1817. The present invention also discloses the specific desulfurizing use of eliminating sulfur-containing heterocyclic ring compound in fuel oil. By means of biological desulfurizing technology with the strain as the catalyst, sulfur-containing heterocyclic ring compound in fuel oil is degraded. The process of degrading dibenzothiophene and its derivative 4, 6-dimethyl dibenzothiophene follows one unique 'expanded 4S path', and the traditional 'expanded 4S path' products 2-hydroxy biphenyl and 3, 3'-dimethyl-2-hydroxy biphenyl are further methylated to produce final products 2-methoxyl biphenyl and 3, 3'-dimethyl-2- methoxyl biphenyl in effectively reduced product inhibition.

The invention discloses equipment and a process for performing gasification energy conversion on biomass recycled from construction wastes. The equipment comprises a cracking furnace, a primary purifier, a secondary purifier, a primary separator, a secondary separator, a Roots blower and connecting pipelines thereof. The process comprises the following steps: performing cracking gasification on the biomass recycled from construction wastes in the cracking furnace, performing primary purification and secondary purification, performing primary separation and secondary separation, and leading out the tail gas by using the Roots blower after the secondary separation. The process and equipment disclosed by the invention have high pertinence on the biomass in the construction wastes and are safe, reliable and low in investment, and two kinds of clean energy including gas and charcoal can be simultaneously produced.

This invention discloses a proton exchange film and its preparation method. The film is made of a ceramic thin film with thickness of h is less than or equal to 1mm and distributed with several microholes on it with the diameter n is less than or equal to 2mm, distributed on the whole thin film and fully filled with high conductivity electrolyte. Diameter of hole n is better is nanometer degree. The preparation method is as follow: first to prepare ordered microholes on the metal film with thickness in h is less than or equal to 1mm to be oxidated to ceramic film by electrochemical or other ways, then to fill with high conductivity electrolyte. The above mentioned metal film is better A1 film with the advantage of easy filming, low cost solving the problem of catalyst poisoning by increasing operation temperature of the proton exchange film.

The present invention provides a catalyst defined in part by a conductive substrate; a film overlaying a surface of the substrate; and a plurality of metal clusters supported by the layer, wherein each cluster comprises between 8 and 11 atoms. Further provided is a catalyst defined in part by a conductive substrate; a layer overlaying a surface of the substrate; and a plurality of metal clusters supported by the layer, wherein each cluster comprises at least two metals.

The invention relates to an acid resistant heterotrophic bacterium D13 applied in bioleaching of municipal sludge, which belongs to the field of environmental engineering. A unicell of the bacterium is oval, has a diameter of 4.5 to 5.5 mu m, has one end for budding, generates no ascospores and has capsule. A bacterium colony of the bacterium is in a form of mucilage and white and has wrinkles onthe surface and regular edges. The bacterium can grow normally in an extreme acidic environment that the pH value is 2. According to the morphology, physio-biochemical characteristics and molecular biology identification of the bacterium, the heterotrophic bacterium belongs to pichia spartinae and is assigned an accession number of CGMCC NO.3035. In an bioleaching environment for sludge, the bacterium can rapidly use water-soluble small molecule organic matters or simple organic acid in the sludge as a carbon source and energy and enables the content of CO2 in bioleaching solution to be increased substantially; therefore, bioleaching efficiency of sludge is improved, the removal rate of heavy metals in the sludge reaches more than 90%, and the dehydration property of the sludge is improved by more than ten times.

The fuel cell system 1 has a reformer 2 and a fuel cell 3. The reformer 2 has a reforming reaction channel 21 that generates a hydrogen-containing reformed gas Ga and a heat exchange channel 22 for heating. The fuel cell 3 has an anode channel 32 to which the hydrogen-containing reformed gas Ga is supplied, a cathode channel 33 to which an oxygen-containing gas Gc is supplied, and an electrolyte 31 formed between them. The electrolyte 31 is a laminate of a hydrogen-separating metal layer 311 and a proton conductor layer 312. The fuel cell system 1 has a cathode offgas line 46 for feeding the cathode offgas Oc discharged from the cathode channel 33 to the reforming reaction channel 21.

The invention discloses a preparation method and application of a supported titanium-series polyester catalyst with low specific surface area. The supported titanium-series polyester catalyst is prepared from titanate, phosphate, activated carbon and other metal compounds; the traditional titanium-series catalyst is modified by silicate; the catalytic activity of the catalyst is lowered and side reaction is reduced by reducing the specific surface area, the pore area and the pore volume of the catalyst; and the hue of the prepared polyester product is good, besides, other properties of the titanium-series catalyst can be improved. The supported titanium-series polyester catalyst is mainly used for solving the technical difficulties in the former ester polymerization process, solving the yellowing problem of PET (polyester) and improving the quality of the PET.

The invention relates to an acid soil biomass charcoal modifier and a preparation method and application thereof. The acid soil biomass charcoal modifier is prepared by air-drying and grinding harvested leaves and discs of sunflowers growing on saline-alkali soil and then carrying out anaerobic pyrolysis at 400 DEG C. The biomass charcoal improver is high in alkali content and strong in acid neutralization capability. By adding 1-3% of biomass charcoal into acidic dry land soil and rice soil, the pH of the soil and the content of exchangeable potassium, calcium and magnesium can be effectively increased, exchangeable aluminum in the soil is reduced, aluminum toxicity is relieved, and toxic heavy metal cadmium in the acidic rice soil is passivated. Therefore, the acid soil biomass charcoal modifier is efficient.

The invention discloses a nano composite type coal-saving desulfurization and denitrification additive and belongs to the environmental-friendly coal-saving field. The coal-saving desulfurization and denitrification additive is water dispersible solution and consists of solute and a solvent, wherein the solute comprises the following components in parts by weight: 15-45 parts of nano titanium dioxide, 2-8 parts of rare earth lanthanum and high-alumina bauxite, 1-3 parts of triethanolamine acetate, 25-35 parts of nitrate and 5-10 parts of active carbon fiber; the solvent is deionized water, and the mass percentage concentration of the coal-saving desulfurization and denitrification additive is 10-35%. The nano composite type coal-saving desulfurization and denitrification additive disclosed by the invention has the beneficial effects that the burning condition of coal can be effectively improved, the coal consumption can be reduced, and the emission of main pollutants such as SO2 and NOx is reduced, and also has the advantages of stable performance, convenience in storage, good coal-saving effect, obvious emission reduction, simple use and fast investment return and the like.

The invention discloses a shrimp and crab fishpond fertilizer paste and a bait for cultivating Argyroneta aquatica, which comprise the following raw materials in parts by weight: 20-30 parts of hermetia illucens excrement, 10-20 parts of fly maggot excrement, 10-15 parts of earthworm excrement, 10-15 parts of barley insect excrement, 10-15 parts of pregelatinized starch, 5-10 parts of peanut bran, 10-15 parts of hermetia illucens pulp, 5-10 parts of fly maggot pulp, 5-10 parts of earthworm pulp, 3-5 parts of chlorella powder, yeast and molasses. According to the fertilizer paste and the bait, waste residues such as fecula, maggot feces and earthworm excrement are fully utilized, hermetia illucens pulp, fly maggots pulp and earthworm pulp are added, and the shrimp and crab fish pond fertilizer paste and the Argyroneta aquatica breeding biological bait are processed through a biological fermentation method. According to the method, the nutrient components of various waste residues are fully reutilized, scientific proportioning is carried out, and the fertilizer paste contains rich insect protein, probiotics, beer yeast, rhodotorula benthica and other nutrient elements, so that water adjustment and weight gaining can be well carried out on a fish pond, breeding of plankton is accelerated, initial feed is continuously provided, and the survival rate is increased.

The present invention relates to a paddy field mineral trace element soil conditioner formula and a use method. The paddy field mineral trace element soil conditioner comprises the following raw materials: a trace-element-rich mineral fertilizer, a soil conditioning agent, lime and a leaf surface blocking agent, wherein the trace-element-rich mineral fertilizer comprises more than 50 medium traceelements and rare earth elements, the content of oxides silicon, calcium, manganese, iron, magnesium, sodium, aluminum and titanium is 50% or more, and the content of beneficial rare earth elements and trace elements lanthanum, strontium, zinc, selenium, boron, barium, gallium and nickel is larger than or equal to 2500 [mu]g/g. The soil conditioner is rich in medium trace elements silicon, calcium, magnesium, molybdenum, iron, copper, zinc and the like, the pH value is 10.0-12.0, and the soil conditioner comprises the following main components in percentage by weight: more than or equal to 20.0 percent of effective calcium (CaO), more than or equal to 12.0 percent of effective magnesium (MgO) and more than or equal to 12.0 percent of effective silicon (SiO2). According to the formula and the using method of the mineral trace element soil conditioner for the paddy field, mineral fertilizer is applied, and the mineral fertilizer is rich in various trace elements and is a main component of coenzymes in plants, so that cell tissues of injured parts are effectively repaired, and the injured parts are promoted to recover physiological functions as soon as possible to grow healthily.