66results about How to "No "three wastes"" patented technology

The invention discloses a carbon-based compound fertilizer containing probiotic organisms. The carbon-based compound fertilizer comprises biomass carbon black and probiotics, wherein the biomass carbon black is prepared by the following method: carrying out low-temperature carbonization on agricultural wastes as biomass raw materials to form porous biomass carbon black. The probiotics are prepared by the following method: carrying out amplification culture on beneficial microorganisms and fermenting to form probiotic liquid; and mixing and then carrying out solid-liquid separation and expansion drying to form the probiotics, wherein the beneficial microorganisms are selected from one or more of peanibacillus ploymyxa, trichoderma, nitrogen-fixing bacteria, root nodule bacteria, phosphate-solubilizing bacteria, potassium bacteria, cellulose decomposition bacteria, antibiotic-producing strain and photosynthetic bacteria. The carbon-based compound fertilizer disclosed by the invention is made of microporous biomass carbon, and thus the carbon-based compound fertilizer has extremely-strong adsorption capacity and favorable light absorbing and temperature increasing effects; in addition, the probiotics of the carbon-based compound fertilizer are high in cell viability; and the carbon-based compound fertilizer can be preserved at normal temperature for a long time, can be mixed, granulated and dried with other organic and inorganic fertilizers without being influenced and is remarkable in synergistic action.

The invention discloses a biological carbon base compound fertilizer which is mainly composed of biomass carbon black and a compound fertilizer. The preparing method of the biomass carbon black includes subjecting agricultural wastes which serve as biomass raw materials to a low-temperature carbonization so as to form the porous biomass carbon black. The invention also discloses a preparing method of the biological carbon base compound fertilizer. The biological carbon base compound fertilizer adopts microporous biomass carbon, has high adsorptive capacity, good light absorption, temperature increasing and sustained release effects, is capable of reducing leaching loss waste of the fertilizer effectively, can be stored for a long time at a normal temperature and subjected to mixing granulation and drying with other organic and inorganic fertilizers without being influenced, and has an obvious synergistic function.

The invention discloses a biomass charcoal based urea which mainly comprises of biomass carbon black and urea. The biomass carbon black is prepared by using agricultural wastes as a biomass material for low-temperature carbonization to form porous biomass carbon black. By using microporous biomass carbon, the biomass carbon based urea has strong adsorption capacity and pretty good light absorbance and warming effects. The biomass carbon based urea has very good slow release ability to effectively reduce leaching loss and waste of the fertilizer, can be preserved for a long time at the normal temperature, and can also be mixed with other organic or inorganic fertilizers for granulating and drying without being affected but with remarkably increased fertilizer effect.

The invention relates to the field of polymerization water-soluble high molecular auxiliary chemicals, in particular to a method for preparing super absorbent resin. The super absorbent resin comprises the following raw materials in parts by weight: 100 to 300 parts of acrylic acid, 100 to 300 parts of caustic soda solution with the mass concentration of 25 to 50 percent, 50 to 100 parts of cross linking agent, 100 to 300 parts of deionized water, 20 to 100 parts of reinforcing agent and 0.5 to 2 parts of redox initiator. The preparation method comprises the following steps of: after adding the acrylic acid into a reactor, adding the caustic soda solution to neutralize; then adding the cross linking agent and the reinforcing agent and filling nitrogen to remove oxygen; adding the initiator to carry out polymerization at a temperature of 30 to 80 DEG C; and after the reaction is completed, obtaining colloid and pelleting, drying and crushing the colloid to obtain the super absorbent resin. The super absorbent resin prepared by the method has higher water adsorption speed and larger water adsorption times. Compared with the existing super absorbent resin, the super absorbent resin prepared by the method can have better water adsorption and water retention effects under the condition of small using amount.

The present invention relates to a special fertilizer for a charry releasing soybean, which is characterized in that: the fertilizer comprises earthpea core grain carbon grain, ammonium phosphate, zinc sulfate, kalium sulphate as well as one or more than one types amongcarbamide, ammonium sulphate, borax and molybdenum. The present invention also relates to the produce method for the special fertilizer for a charry releasing soybean. The method is to use the character of the earthpea core grain carbon grain with multi-micro hole and strong absorbing ability combined with nitrogen, phosphor, kalium and the other nutrition components required by the growth of the soybean, and then uses a moist soil or clay as the cement compound to prepare the grain-shaped special fertilizer for a charry releasing soybean. The preparation process for the fertilizer is simple, economical and environment-protective with one-off use; the fertilizer can satisfy the requirement of the nutrient for the whole growth period for the soybean effectively; the utilization ratio of the fertilizer is higher with saving the energy and the cost; the fertilizer is adaptable to be widely popularized in the large-scale production for the soybean.

The invention discloses a treatment method for industrial wastewater generated by copper wet-process smelting. The method comprises the following steps of: adjusting the pH value of the copper-containing industrial wastewater added with sodium hydroxide solution to be 7.5-8.5, and then performing flocculating-settling treatment; then adding sodium sulphide, and performing precipitation pre-treatment on copper ions; charging ammonia after the pre-treatment, adjusting the pH value to 8.5-9.5, adding propenol and EDTA (ethylene diamine tetraacetic acid) organic substance simultaneously, and stirring for completely reacting; and finally adding a polymeric ferric sulphate flocculant and performing flocculating treatment to obtain the effluent, namely, the copper-containing wastewater after the treatment. The treatment method disclosed by the invention is low in operating cost, low in slag amount, and simple and convenient to recover copper; and heavy metal ions, petroleum substances, suspended matters and COD (chemical oxygen demand) value achieve the three-level drainage standards of industrial wastewater.

The invention relates to a production process for straw coal. The adopted technical scheme comprises the following steps of: crushing straw; adding the crushed straw into a charring furnace, and charring at the temperature of 800 and 1,200 DEG C for 30 to 50 minutes under the anaerobic state; cooling to the temperature of 200 and 250 DEG C, adding 20 to 30 weight parts of loess, 20 to 30 weight parts of coal slime, 0.1 to 0.7 weight part of sulphur-fixing agent and 0.1 to 0.7 weight part of paraffins into 100 weight parts of charred straw, and mixing the mixture uniformly; and conveying to an extruder, forming and drying. The straw coal produced by the invention is newly developed energy, and the straw of crops is utilized fully, so that waste materials are turned into wealth, the rural environment is improved, and the produced straw coal has high quality and heat value of up to about 5,000 kilocalories, and is safe, pollution-free, energy-saving and environmentally-friendly.

The invention discloses a method for producing a protein feed by utilizing bagasse. The protein feed is prepared from bagasse, molasses, corn flour, soybean meal, bran, rice bran, Chinese medicinal materials and a composite fermentation bacterial agent. The domestication bacteria used in the method for producing the protein feed by utilizing bagasse are from nature and obtained through enrichment,screening and domestication, have super strong cellulose decomposition capability. The prepared composite fermentation bacterial agent has high fermentation efficiency and good stability, can effectively reduce the crude fiber content of raw materials such as bagasse, rice bran and the like, so the high molecular carbohydrate which is difficult to be fully digested and absorbed by animals such ascrude fiber, lignin and the like is converted into low molecular substances which can be absorbed and utilized, the digestion and utilization rate of the animals is improved, the prepared fermented feed is more comprehensive in nutrition and higher in feed conversion rate, meanwhile, the content of crude protein in the fermented feed is improved, the nutrition and palatability of the feed are improved, the use of antibiotics can be avoided in the fermentation process, and the feed is safe and environment-friendly.

The invention discloses a method for producing -5 DEG C biodiesel by using drainage oil. The method comprises the following steps of: 1, pretreatment; 2, esterification; 3, ester exchange; and 4, dealcoholization and simple distillation. According to the method, the IVB group and IIIA group metal-organic compounds serving as efficient environment-friendly economic catalysts are adopted, and are mainly characterized by high catalytic activity, neutrality and no corrosion on reaction equipment, the usage amount of the metal-organic compounds only accounts for 0.05-0.5% of the mass of the drainage oil or waste cooking oil, few side reactions happen, the yield of fatty acid methyl ester is high (above 92%), the methanol consumption is low (below 12%), no residues are generated, the product has light color and luster and good quality, no 'three wastes' (waste gas, waste water and industrial residual) are generated, and pollution is avoided. Compared with a conventional acid catalyst method, the method has the advantages that the yield of the product is increased by 5-7%, the condensation point is reduced by above 10 DEG C, and the color and luster of the product are light yellow and bright.

The invention discloses a method for purifying a benzoyl chloride reaction terminating solution. The method comprises the following steps of: reacting benzotrichloride serving as a main raw material with benzoic acid or water in the presence of a ferric trichloride catalyst to prepare a benzoyl chloride reaction terminating solution, performing precision filtration through active carbon in a metal filter at a certain temperature to obtain a benzoyl chloride finished product, regenerating the active carbon, and collecting a ferric trichloride solution and a benzoic acid solid for recycling. The method is simple in operation process, 'three wastes' are nearly not produced in the whole production process, the yield and the quality of the product are high, and the method is an ideal green environment-friendly process.

The invention relates to an environment-friendly fireproof corrugated board.The environment-friendly fireproof corrugated board comprises two surface paper layers and a core paper layer arranged between the surface paper layers.The core paper layer mainly comprises an outer layer, an adhesion layer and an inner layer.Each surface paper layer comprises a waterproof layer and a buffer layer which are sequentially arranged in an attached mode, wherein a fireproof layer is attached to the surface of the waterproof layer made of kraft paper, and the buffer layer is a sponge layer pasted on the outer side of the surface paper layer.The outer layer is composed of round arrayed paperboards.The inner layer comprises a first U-shaped core paper interlayer and a second U-shaped core paper interlayer, transverse coordinate positions of crests and troughs of the first U-shaped core paper interlayer and the second U-shaped core paper interlayer are the same, and the crests of the first U-shaped core paper interlayer and the second U-shaped core paper interlayer make contact with each other.The adhesion layer is arranged between the outer layer and the inner layer.When the environment-friendly fireproof corrugated board is used for packaging fragile objects, the use amount of white foam can be reduced, so that pollution is reduced, and higher environmental friendliness is achieved; meanwhile, the fireproof and flame-retardant effect is achieved.

The invention relates to the technical field of spices, and relates to a preparation technology for catalytically synthetizing L-(+)-diethyl tartrate by using strong acid cation exchange resin as a catalyst. The preparation technology comprises the following steps: adding L-(+)-tartaric acid, absolute ethyl alcohol and a catalyst to a reaction container, and performing a stirring and heating reaction; after the reaction is completed, cooling the reagent to room temperature, and then filtering the reagent to recycle the catalyst, wherein the catalyst is the strong acid cation exchange resin; and directly distilling a filter liquor to obtain the colorless clear liquid L-(+)-diethyl tartrate. According to the preparation technology, the yield of the L-(+)-diethyl tartrate can be improved, the technology is simple, the operation is convenient, the problems of catalysis and recycling by using a strong acid liquid and a solvent are avoided, the whole technological process is clean and environment-friendly, waste acid, waste water and waste gas cannot be generated, the environment is rarely polluted, and recycled ethyl alcohol and catalyst can be repeatedly used.

The invention relates to a purification method of secondary zinc oxide. The purification method comprises the following specific steps of adding industrial sulphuric acid in soot containing secondaryzinc oxide, conducting granulating by a granulating device, and roasting particles in a rotary kiln for 3-5h at 600-800 DEG C. The application of secondary zinc oxide comprises the following specificsteps of adding 3-5 times of volume of electrolyte residue into the purified secondary zinc oxide for leaching, controlling the pH of a leaching terminal point at 3.3-4.1 by supplementing industrial sulphuric acid, conducting leaching for 4-5h, and conducting filtering separation to obtain leach liquor; adding hydrogen peroxide and lime milk in the leach liquor, controlling the pH at 5.0 and the temperature at 45-65 DEG C, and maintaining for 1-2h, and conducting filtering; and adding CuOH and Ni(OH)2 in the leach liquor, controlling the pH at 2.5-4.8 and the temperature at 35-50 DEG C, maintaining for 1h, conducting filtering, and thus obtaining pure electrolyte. The purification method has the advantages of unobstructed process, less consumption, low cost, no three wastes and environment-friendly property.