1113results about How to "Solve the pollution of the environment" patented technology

The invention provides a process and device for carrying out stage dry distillation on oil shale under the state of full recycle, with the gas as the heat carrier. The oil shale is divided into three different sizes (such as 0-6mm, 6-20mm and 20-50mm) through crushing and screening, and the oil shale is firstly dried and heated to the temperature between 50 DEG C and 150 DEG C by the waste smoke exhausted from gas heating furnaces and then enters into the different sizes of furnaces for dry distillation to undergo dry distillation. After being treated by water spraying and an indirect cooling tower, a rotary trapper and an electric trapper for oil collection, the dry distillation oil and gas undergo oil-gas-water separation, and after separation, the oil enters into a storage tank, the water enters into a circulating water tank and the first part of gases serves as the heat carrier and is recycled, the second part of gases is used as the fuels for the heating furnaces and the third part of gases is used as the fuel gases for power generation.

The invention discloses a single-component self-phosphatizing antirust acrylic emulsion, and a preparation method and application thereof. Self-made epoxy monoacrylate and acrylic phosphate used as monomers are subjected to radical copolymerization with acrylic acid monomer; and a seed emulsion semicontinuous method is utilized to obtain the emulsion. The emulsion used as a film forming material is matched with related pigment, filler and assistants to obtain water-based paint. When being used on the automobile leaf spring surface, the water-based paint can be cured at 80 DEG C within 20 minutes to form a film, of which the adhesive force is Grade 0, the hardness is 3H and the salt-fog resistance is 1000 hours. The method solves the problems of poor water resistance, salt-fog resistance, weather resistance and storage stability of the coated film of the existing antirust emulsion; and the method also solves the problems of incapability of recycling ground waste, and poor antirust capacity of unit coating thickness in the existing automobile leaf spring application process, and omits the procedure of phosphatizing on the substrate surface before application due to the introduction of the phosphate monomer.

Disclosed are a polyethylene nm antibacterial biological couple degradable plastic film and its preparing method. It is comprised of the following components with the mass ratio: starch: photo sensitizer: plasticizer: coupling agent: polyethylene: modifier =10~100:0.1~30:0.5~30:0.3~35:0.1~10:0.5~25:130~26:0.1~53. With antibacterial effect and can be broken down faster by the effects of both light and biologic, the invention has replaced the conventional product with much loss of plastic, it can solve environment pollution existing in the usual plastic film, benefiting for environmental protection. It has the advantaged not existing in the present plastic film, simplified productive technique and low cost.

The invention discloses a method for producing alcohol and feed by alga chemical waste, i.e. using the cellulose-containing waste residues as raw materials formed in the course of producing sodium alginate, mannitol, I or trehalose glue products in the alga chemical industry, making enzymatic hydrolysis by cellulase and anaerobic fermentation by brewing yeast or double fermentation by cellulase producing bacteria and brewing yeast, then making solid-liquid separation and obtaining alcohol and feed. And the invention provides economic, environmental protection and effective industrial technique for waste residues and waste liquid in the alga chemical industry, able to turn waste into wealth and provide important technical support for full and high value utilization of alga resources and development of alga circulating economy.

The invention discloses a method for preparing microcrystalline foam glass by using high titanium blast furnace slag and waste glass powder. The method comprises the following steps: grinding the high titanium blast furnace slag and waste glass powder, uniformly and fully mixing the high titanium blast furnace slag, the waste glass powder, a fluxing agent, a foaming agent and a foam stabilizer, pressing into a block, adding the mixture block into a heating device and preparing the microcrystalline foam glass at a low temperature according to a specific heat treatment process by using a one-step sintering method. According to the characteristic that the high titanium blast furnace slag which is rich in TiO2 can serve as a nucleation agent, the low-melting-point waste glass powder serves as a silicious raw material, a proper amount of corresponding fluxing agent and sintering process are matched, the preparation temperature is greatly reduced, and the preparation can be finished through one-step sintering; and therefore, the energy consumption can be reduced, the process is simplified, the cycle is shortened, the cost is saved, the product which is uniform in cells, moderate in cell diameter, low in volume density, low in water absorption rate, good in thermal insulation effect and high in mechanical strength can be obtained, and the additional value of high titanium blast furnace slag utilization is improved.

1)pretreating mineral raw materials containing silicon and aluminium to obtain a solid predecessor; 2)mixing the solid predecessor, sodium hydroxide and water to obtain a mixture, adding the ZSM-5 molecular sieve seeds, uniformly mixing, then grinding to obtain an uniform slurry, standing for aging; and 3)placing the slurry in a reaction vessel for a hydrothermal crystallization reaction, after reaction is finished, filtering, washing filter residue, and drying to obtain the ZSM-5 molecular sieve. According to the invention, a template is added in a synthetic method of the ZSM-5 molecular sieve, calcination is not be carried out for removing the template, the natural mineral raw materials containing silicon and aluminium are employed, technology is simplified, cost is reduced, and the preparation method has the advantages of environmental protection and energy saving. The ZSM-5 molecular sieve has high crystallization degree, and the particle size is submicron.

This invention relates to a drilling fluid lubricating additive and its preparation method characterizing that the proportion of the compositions is: offal of vegetable oil: 20%-40%, TEA: 1%-2%, NaOH: 4%-8%, 0P-10: 0.5%-0.8% and water, which utilizes the offal when refining food vegetable oil to replace petroleum-kind products to form a lubricating additive integrating anion surface active agent and non-ion surface active agent, having good lubricating efficiency and strong ability of anti-erosion against salt and Ca ions by two steps of saponification, further more, such additive does not contain any abialogical degradation mineral oil substances.

The invention provides a planting soil and a preparation method thereof. The planting soil comprises the following raw materials in parts by mass: 100-120 parts of sludge, 40-50 parts of iron tailingssand, 10-15 parts of a decomposed organic fertilizer and 20-30 parts of tailings-sludge activated carbon. The preparation method comprises the following steps: (1) uniformly mixing the sludge, iron tailings sand, the decomposed organic fertilizer and the tailings-sludge activated carbon according to a mass ratio of (100-120):(40-50):(10-15):(20-30) to obtain a mixture; and (2) adding a sludge fermentation strain into the mixture, uniformly mixing the materials, and decomposing the mixture for 10-15 days to obtain the planting soil. According to the planting soil provided by the invention, coal slime, molybdenum tailings, phosphorus tailings, magnesite slag and the iron tailings sand are widely applied in abandoned mines, so that the problems of land resource occupation and environmental pollution caused by tailings stacking are solved, the resource utilization of tailings is realized, wastes are changed into valuables, and the effective utilization rate of resources is improved; and meanwhile, the application of sludge to the planting soil also provides a solution for recycling, reduction and harmless treatment of sludge.

The present invention is granular iron oxide red pigment of grain size of 5-100 mesh and its preparation process. The preparation process includes the following steps: compounding water solution of additive in the concentration of 0.3-10 % and heating to 30-100 deg.c; spraying the water solution to iron oxide red in a pelletizing machine to form the granular pigment gradually with the weight ratio of iron oxide red to the water solution being 100 to 15-40; and vibration sieving and stoving to obtain the product. The additive is the combination of two or more of CMCNa, PVA, sodium silicate, glutin, sodium lignosulfonate and ferrous sulfate. The granular iron oxide red pigment has the same performance and use effect as the powdered iron oxide red pigment and is favorable to prevent dust pollution, and may be used to replace powdered iron oxide red pigment.

The invention discloses a lightweight flame retardant and foamy filling material of cement doors and manufacturing method thereof, comprising magnesium oxide, magnesium sulphate, fly ash, high alumina refractory cement, calcium chloride, water proofing agent, water reducing agent and foaming agent, with bulk density ranging between 200 kg/m³ and 500kg/m³; the ingredients are formulated by weight at a rate of: magnesium oxide (40 percent -55 percent), magnesium sulfate (15 percent-40 percent), fly ash (5 percent-20 percent), high alumina refractory cement (5 percent-20 percent), calcium chloride (2 percent-6 percent), water proofing agent (2 percent5 percent), water reducing agent (0.2 percent1.5 percent) and foaming agent (0.1 percent-0.5 percent). With the technical solution, the product has the advantages of high strength, light weight, flame retardancy, sound insulation, weather resistance, thermal resistance, energy efficient, freedom from toxicity, harm and irradiation, low manufacturing cost, simple process, etc, which can be widely employed for fire/theft proof metal interior door, building material and like sectors.

The invention discloses tile bonding and pointing integrated mortar, which is prepared by subjecting 400 parts by weight of cement, 300 parts by weight of quartz sand, 100 parts by weight of Shuangfei Powder, 25 parts by weight of sodium bentonite, 5 parts by weight of cellulose ether, 15 parts by weight of dispersible latex powder, 2 parts by weight of a water repellent, 40 parts by weight of silicon powder, 3 parts by weight of a thixotropic lubricant, 10 parts by weight of an early strength, and a pigment metered according to a client demand to uniform stirring in a stirrer. The construction process of the tile bonding and pointing integrated mortar comprises: stirring water and cement in a water cement ratio of 0.25 in a stirring bucket into paste with a portable electric mixer, applying the pasty tile glue to the back side of a tile and filling it to the full with a spatula, conducting tiling, tearing off paper after 20min, carrying out pointing with a special circle tool in linewith the size of a tile joint, doing cleaning with a sponge, and cleaning the tile with clear water after 120min. With the mortar of the invention, tile bonding and pointing can be completed in one time. With various colors, the mortar of the invention maintains the color consistency between the underlayer and joints, thus having no influence on appearance. Also, the technology of full applying for pointing can be omitted, and cleaning becomes convenient. Thus, all procedures can be finished at one go.

The invention discloses a method for producing an insect protein feed through treating livestock and poultry manures by utilizing ptecticus aurife, comprising the following steps of: (1) placing a cultivated 3-year larva of ptecticus aurife into wet livestock and poultry manures for sub-culturing and growing; and (2) when the 3-year larva of ptecticus aurife grows into a mature larva, collecting mature larva, firstly treating the mature larva with hot water or steam, then drying in the sun, drying in the air or drying and pulverizing to obtain a high quality insect protein feed. The method for producing the insect protein feed through treating the livestock and poultry manures by utilizing the ptecticus aurife promotes the effective utilization of insect protein on the animal husbandry and aquaculture and becomes one way to solve the shortage of protein feed resources in China and also solve the problem of serious pollution of the livestock and poultry manures.

The invention discloses a method for separating and purifying biodiesel. The method comprises the steps of: 1) performing degassing and distillation operation on a crude biodiesl product by a film evaporator to obtain the biodiesl of which the content of methyl ester is over 96 percent; and 2) performing alkaline soil deacidification on a product of separation treatment in the step 1) to obtain purified biodiesel of which an acid value satisfies the national standard. By the method, alkaline solution is absorbed on the surface of alkaline soil for a deacidification reaction, which effectively avoids emulsification; the method has simple operation conditions, does not need to strictly control conditions such as stirring and the like; components such as glycerol and soap can be absorbed after the reaction is finished; the obtained methyl ester does not need to be purified again, does not need to be dehydrated, is easy to separate, and has high yield; and a purified product has high quality. The method has the advantages of simple process flow, low equipment cost and energy consumption, and no wastewater pollution, and is suitable to be popularized and applied in a large area.

The invention discloses a perfumed mosquito repellent composition, characterized in that the composition is prepared by the following ingredients, based on percent by weight, of: 0.1-1% of wild lemonleaf oil, 0.1-2% of eucalyptus oil, 0.5-3% of tea tree oil, 1-10% of eucalyptus citriodora leaf oil, 0-0.5% of clove oil, 0-0.2% of linaloe wood oil, 0-0.5% of dementholised peppermint oil and the balance as diluent of alkane C14. The mosquito repellent composition makes full use of three mosquito repellent essential oils including eucalyptus oil, tea tree oil and eucalyptus citriodora leaf oil, which all have no pesticide ingredients contained, but are excellent in repelling mosquito, bugs and ants, thus achieving ideal mosquito repellent effect and acceptance for human body and generating noside effect to human body, besides, the cost of the composition is low.

The invention discloses a preparation method for porcelain granules containing carbon. According to the weight percentage, 5%-40% of carbon powder, 5%-25% of gold mine tailing powder and 35%-70% of fly ash make up main raw materials. The preparation method comprises the steps of: (1) the gold mine tailing powder is dipped in a HCl solution; (2) the carbon powder, the fly ash and the modified mine tailing powder are uniformly blended; and then water is added for wet mixing; (3) the wet material is prepared into spheric granules with the grain diameter of 5-20mm; (4) the spheric granules are dried and sintered to obtain the porcelain granules containing carbon. The porcelain granules containing carbon are multifunctional porcelain granules with the functions of adsorption, light weight, high strength, heat preservation, thermal insulation, etc.

The invention relates to a method for preparing a Y-type molecular sieve from an FCC waste catalyst by microwave heating, and belongs to the technical field of secondary resource comprehensive recovery and utilization. The method comprises the following steps: first, removing toxic metals, namely, vanadium, nickel and iron, from the FCC waste catalyst by soaking for 10 to 60 minutes at 50 to 120 DEG C by a chemical method, wherein a molecular sieve framework structure must be remained simultaneously; taking metal-removed reactivated FCC waste catalyst as an aluminium source, performing seed crystal growth for 10 to 60 minutes at the microwave power of 400 to 1,600 W at 80 to 140 DEG C in the situation of externally adding a silicon source, a sodium source, water and a guiding agent, cooling to 60 to 120 DEG C, crystallizing for 0.5 to 3 hours at the microwave power of 400 to 1,600 W, and drying to obtain the Y-type molecular sieve. According to the method, the problem of massive discharging of the FCC waste catalyst can be solved, high-efficiency and quick utilization of the FCC waste catalyst can also be realized, and the problem about the aluminium source required in a preparation process is also solved.

The invention discloses a method of recovering an iron oxide from a fly ash and a gangue. The method adopts the process of grinding and roasting the fly ash and the gangue, the process of immersing and carbon dioxide decomposing the alumina, the process of acidizing and separating the silica and the process of obtaining iron oxide by the method of hydroxide precipitation. The purity of the iron oxide made by the method is high and the extraction rate of the iron oxide in the fly ash and the gangue can reach to 86 percent. The whole process is carried out under the pressure condition, so the method has low requirements to the equipment. The method solves the problems of land occupation and environment pollution caused by residue stacking after alumina extraction, also solves the problems of large amount of residue and low added value of the residue. The whole process realizes recycling of resources and can not cause new pollution to the surrounding environment.