31results about How to "Pollution does not cause" patented technology

The invention relates to a method of synthesizing Beta molecular sieve without organic templates, which belongs to the technical field of catalytic chemistry. The steps of the invention comprise mixing alkali oxide sources, alumina sources, silica sources and water, stirring and synthesizing initial silica-alumina gel, then adding with Beta zeolite crystal seed, crystallizing 12-24 hours under the temperature of 100-180 DEG C and hydro-thermally synthesizing the Beta molecular sieve, SiO2/Al2O3 of the Beta zeolite crystal seed equals 22-25, and the quality of addition quantity is 5%-20% of the silica sources. The method of the invention suits requirements of applying zeolite molecular sieve in industry, not only can directly synthesize high crystallinity crystal of the Beta molecular, but also can increase crystallizing speed of the molecular and reduce manufacturing cost. Because the synthesis process doesn't use any organic templates without roasting, thereby a pore path is unimpeded, and environmental pollution and relatively consumption are avoided.

The invention relates to a coal dust suppression agent and a preparation method thereof. The coal dust suppression agent comprises 0.5-1.5wt% of sodium carboxymethyl cellulose, 0.5-1.5wt% of sodium carboxy nethyl, 0.1-0.3wt% of glycerol and 96.7-98.9wt% of water. The coal dust suppression agent can be mixed at normal temperature without needing any other warming-up devices; after being mixed at the normal temperature, the coal dust suppression agent is sprayed or coated on the coal of carriage, so that a solidifying layer is formed on the coal, and dust pollution along the line and dust loss of the coal when in the railway transport can be avoided. Furthermore, the coal dust suppression agent does not cause environmental pollution, and has great economic benefit for railway transport and coal customer as well as social benefit for environmental protection. The method of the invention is simple in operation, low in cost and good in dust suppression effect.

The invention relates to a novel coal dust suppressant with a nuclear membrane structure and a preparation method thereof. The novel coal dust suppressant comprises the following components in percentage by weight: 1.0-2.0% of modified cellulose or modified starch, 0.1-0.5% of modified nanoparticles and 97.5-98.9% of water. The dust suppressant of the invention can be proportioned in a normal temperature state, and other additional heating devices are not needed. The dust suppressant of the invention can be sprayed or coated on the surface of coal in a carriage after being proportioned at normal temperature, so that a curing layer is formed on the surface of the coal, thereby avoiding dust pollution of the coal on railway lines in the railway transport process and avoiding dust loss of the coal; and environment pollution can not be caused. The invention not only has great economic benefit for railway transport and coal customers but also has social benefit of environment protection.

The invention relates to a mineral powder railway transportation dust suppressant and a preparation method thereof. The mineral powder railway transportation dust suppressant prevents mineral powder from causing dust pollution in the transportation process. The mineral powder railway transportation dust suppressant comprises the following components in percentage by weight: 0.4 to 0.7 percent of vegetable gelatin, 0.5 to 0.8 percent of modified cellulose, 0.1 to 0.5 percent of lignin and the balance of water. The dust suppressant can be prepared at normal temperature without other heating equipment. After the dust suppressant is prepared at normal temperature, the dust suppressant is sprayed or coated on the surfaces of mineral powder, so that a cured layer can be formed on the surface of the mineral powder, the dust pollution of the mineral powder along a line and the dust loss of the mineral powder in the transportation process are avoided, and the environmental pollution is avoided. The mineral powder railway transportation dust suppressant has great economic benefit and environment-friendly social benefit for mineral powder transportation and mineral powder customers.

The invention belongs to the fields of microbes and food biotechnologies, and concretely discloses a loose tea Eurotium cristatum fermentation technology. The technology comprises the following steps: 1, rehydrating gross tea by a rehydrating machine to make the water content reach 16-35 wt%; 2, adding the rehydrated gross tea to a rotary bottling machine to make the rehydrated gross tea be packaged in charging bottles, stacking the bottles, placing the charging bottles to a high-temperature and high-pressure sterilizer, sterilizing the charging bottles, adding the sterilized charging bottles into a cooling room, cooling the charging bottles to 30-80 DEG C, placing the cooled charging bottles into an inoculation room, and carrying out inoculation; 3, adding the inoculated charging bottles into a fermentation room, and carrying out fermentation at 20-40 DEG C under a humidity of 30-75% for 6-10 d; and 4, adding the fermented tea leaves to an automatic discharging machine, taking out the tea leaves from the charging bottles, placing the tea leaves in a drying disc, and drying the tea leaves until the water content is 5-12 wt%. The technology has the advantages of uniform Eurotium cristatum growth, high Eurotium cristatum growth capacity, obvious Eurotium cristatum, simplicity and high standardization degree, so the product quality is safe and controllable, the health effects of the product are further enhanced, and the product quality is excellent.

The invention discloses a method for repairing heavy-metal cadmium polluted soil by using bougainvillea speetabilis plants and relates to a plant stable biological repairing technology for managing the polluted environment. According to the method, bougainvillea speetabilis is mainly planted in a heavy-metal polluted environment, mainly soil; the bougainvillea speetabilis can normally grow and has no any poisoning phenomenon, and a biomass is not reduced; heavy metal is mainly enriched at roots of the plants and the transfer coefficients in the plants are relatively low; and the bougainvillea speetabilis has the characteristics of plants which can be used in the plant stable repairing technology. When the plants are used for repairing the polluted soil, the polluted soil and underground water are managed, and the environment is beautified.

The present invention relates to one kind of environment friendly coal surface curing agent and its preparation process. The coal surface curing agent consists of PVA 1-2 wt%, 10 wt% concentration hydrogen peroxide solution 0.3-0.6 wt%, starch 5-7 wt%, 5 wt% concentration borax or boric acid solution 2-5 wt%, ferrous sulfate 0.005-0.01 wt%, 10 wt% concentration sodium hydroxide solution 4-8 wt% and water for the rest. It is sprayed to the surface of coal under transportation so as to form one curing layer avoiding dust pollution and coal loss. It has no influence on coal quality and is environment friendly.

The invention relates to a negative-pressure type bilayer intelligent trash can which comprises a right trash can body and a left trash can body. The right trash can body and the left trash can body are fixed at two ends of a connecting bar, a support is fixed in the middle of the connecting bar, a solar panel is mounted on the support, a harmless recyclable window is arranged on the upper portion of the right trash can body, a poisonous harmful window is arranged on the lower portion of the right trash can body, a right can interlayer is mounted in the middle of the right trash can body, the lower portion of the right trash can is connected with an exhaust duct, a harmless unrecyclable window is arranged on the upper portion of the left trash can body, a contaminated biological trash window is arranged on the lower portion of the left trash can body, a left can interlayer is mounted in the middle of the left trash can body, the exhaust duct is connected with the lower portion of the left trash can body and connected with a shell, a battery and a motor are mounted in the shell, blades are mounted on the motor and arranged in the exhaust duct, and the exhaust duct is connected with a sewer. The trash can is capable of removing odor and protecting air against being contaminated, is quite convenient and practical as being provided with a trash sorting device, can be placed at a fixed position and cannot cause air contamination.

The invention discloses a moisture-absorption composite environment-friendly bag. The bag comprises an environment-friendly bag body, a composite interlayer and a moisture absorption layer; a paper material layer adopts straw fiber and secondary recycled wood pulp material, so that the degradation property of the environment-friendly bag is improved, and meanwhile, the raw material cost is reduced; most of a degradable plastic outer film is made of a natural degradable material, the waterproof and moisture-proof effect is achieved, the environment-friendly bag has extremely high degradation timeliness under various environmental conditions, and an inner breathable layer can enable moisture entering the environment-friendly bag to make contact with the moisture absorption layer in the composite interlayer; a high-moisture-absorption fiber textile bag is made of natural seaweed fibers, so that the moisture absorption performance of the moisture absorption layer is improved, and meanwhile, the moisture absorption layer is capable of being degraded, and the pollution source is reduced; moisture absorption filling particles are made of grafted acrylamide material, so that the waste environment-friendly bag can be completely degraded without pollution; and a paper pressing convex shaft is clamped into a sealing groove, so that an opening of the environment-friendly bag is closed, andmeanwhile, opening is convenient.

The invention discloses a magnetism 4A zeolite fixed degrading bacteria heavy-dirty composite powder metal cleaning agent. The cleaning agent is prepared by the following raw materials: sodium hydroxide, sodium carbonate, sodium metasilicate pentahydrate, silicic acid-organic carboxylic acid polymerization modified matters, crylic acid-maleic anhydride copolymer sodium salt, lauryl sodium sulfate, heterogeneous fatty alcohol alkoxylate, secondary alcohol ethoxylate, anhydrous sodium sulphate, sodium citrate, kaolin, magnetic fluids, a proper amount of sodium hydroxide, a proper amount of 0.9% sodium chloride, and a proper amount of de-ionized water. The prepared powder cleaning agent contains no phosphorus, cannot cause pollution of water, is environment-friendly, high in cleaning effect, wide in application range and longer in service life, and is more liable to treat generated waste water.