32results 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.

Hydrophobic inorganic fine particles are provided which prevent a toner from fusing to a photoreceptor or fouling a contact charging member and which enable the toner to be excellent in flowability, electrification characteristics, and durability even after long-term storage in a high-temperature high-humidity atmosphere. The fine particles prevent the toner from dropping or fouling the inside ofthe printer. The hydrophobic inorganic fine particles are obtained by: treating the surface of inorganic fine particles with a silicone oil and then with a silane compound and / or a silazane compound or treating the surface of inorganic fine particles with a silane compound and / or a silazane compound in the presence of a silicone oil; and further treating the treated inorganic fine particles with a silicone oil.

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 discloses a preparation method of polyimide / CCTO@Ag nanoparticle composite material with high dielectric and low loss. According to the method, polyimide is used as matrix, the prepared CCTO@Ag nanoparticles are ultrasonically dispersed in absolute ethyl alcohol, then is blended with polyimide monomer in solvent, then in situ polymerization reaction is carried out on the monomer at room temperature to simultaneously realize copolymerization of polyimide and intercalation recombination with the CCTO@Ag nanoparticles, obtained stock solution is subjected to gradient annealing according to a coating method to finally obtain the polyimide / CCTO@Ag nanoparticle composite film. Compared with pure polyimide, the polyimide / CCTO@Ag nanoparticle composite material prepared according to the preparation method has the dielectric constant (103) increased by 30 times, also has low dielectric loss (0.006) and can be widely applied in fields of high energy storage capacitors, artificial organs, high speed integrated circuits, and the like.

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 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 thetemperature 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 thesilica 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, butalso 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 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 relates to a recirculation unit (14) for a fuel cell system (I) comprising at least one fuel cell (2) which has an anode region (3) and a cathode region (4), comprising a recirculation line (12) which connects the outlet (11) of the anode region (3) to the inlet (10) thereof, comprising a liquid separator (15), which is arranged in the area of the recirculation line (12), and which comprises a discharge line (16) having a discharge valve (17) for liquid and / or gases. The invention is characterized in that a bubble sensor (18) for controlling the discharge valve (17) is arranged in the area of the discharge line (16). A method for discharging liquid and / or gases from such a recirculation unit (14) provides for the discharge valve (17) to be opened and then closed as a function of an event detected by the bubble sensor (18).

The invention relates to a soap embedded plant section method which adopts soap as embedding material, and overcomes the defects that the traditional paraffin section method is slow in speed, complicated in operation, large in cell deformation, expensive in expense, hard in obtaining a thin slice by hands, harmful for human health due to dimethylbenzene, and the like. The method has the advantages of short manufacturing period generally needing about five hours, fewer steps for the treatment of herbarium, small deformation of section preparation cells, low cost in manufacture of the slice, no hurt for the body of an experimenter, no environmental pollution, etc.

The invention relates to the technical field of semiconductor material preparation, and in particular, relates to a gallium arsenide-doped single crystal growth process; oxygen released in the environment and in the high-temperature process of arsenic, gallium and a quartz tube is absorbed by adding materials with high oxygen reaction activity in two links of polycrystalline synthesis and single crystal growth, and oxygen pairs are preventd from entering polycrystals and single crystals, so the influence of oxygen pollution on the material performance is greatly reduced. Si doping is carried out in the polycrystalline synthesis process, silicon enters gallium arsenide and performs effective occupying, boron oxide does not exist, and polycrystalline synthesis does not cause B to pollute polycrystalline. C, Al or Ti is placed in a quartz tube to absorb oxygen in the quartz tube in the single crystal growth process, the oxygen content in the single crystal is controlled, and polycrystalline doped impurities are not added any more. During single crystal growth, boron oxide is added to improve the single crystal rate and realize selective adsorption of impurities. The desired crystal properties are achieved.

This invention relates to a method for preparing a curing agent for coal surface. The formula is: poly(ethylene alcohol) 0.5-1.5 wt.%, 1% KMnO4 0.3-0.6 wt.%, starch 4-6 wt.%, 5% borax or boric acid solution 2-5 wt.%, 10% caustic soda solution 4-8 wt.%, and water. When the curing agent is sprayed or coated onto the surface of coal in cabs, a cured layer is formed on the surface of coal, thus can avoid dust pollution and dust loss during the railway transportation of coal, and has high economic benefit and environmental protection benefit for railway transportation and coal customers.

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 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 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 relates to a coil former (1) for an electrical coil assembly (2), wherein the coil former (1) has a winding-holding region (3) for at least one peripheral segment of a coil winding (4),which winding-holding region (3) is bounded by a winding-holding region inner surface (5) for contact with an innermost winding layer (6) of the coil winding (4) and at least one first end piece (7) protruding from the winding-holding region inner surface (5). According to the invention, an at least partially surrounded fluid-holding reservoir (9) is arranged on a side of the first end piece (7) facing away from the winding-holding region (3), the fluid-holding reservoir (9) is connected to the winding-holding region (3) by a fluid passage opening (10), and the fluid passage opening (10) is arranged adjacent to the winding-holding region inner surface (5).

This invention relates to a method for preparing a curing agent for coal surface. The formula is: poly(ethylene alcohol) 0.5-1.5 wt.%, 1% KMnO4 0.3-0.6 wt.%, starch 4-6 wt.%, 5% borax or boric acid solution 2-5 wt.%, 10% caustic soda solution 4-8 wt.%, and water. When the curing agent is sprayed or coated onto the surface of coal in cabs, a cured layer is formed on the surface of coal, thus can avoid dust pollution and dust loss during the railway transportation of coal, and has high economic benefit and environmental protection benefit for railway transportation and coal customers.

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 discloses a preparation method of an ecological restoration matrix for heavy metal-contaminated soil. The method comprises the following steps: preparing raw materials including 1-10 parts of fresh pig manure, 1-5 parts of straw stalks and 1-5 parts of corn stalks; grinding the straw stalks and the corn stalks, mixing the ground straw stalks and corn stalks with the fresh pig manureaccording to desired parts by weight to obtain a pre-mixture; mixing 500-800 parts of the pre-mixture with 1 part of brown sugar water; adding 1 part of EM bacterial liquid to obtain a mixture; and fermenting the mixture for 20-25 days. The prepared ecological restoration matrix is suitable for ecological restoration of light and medium heavy metal-contaminated mining areas, mining areas and farmland soil; the method is simple to operate and easy to implement, complex equipment is not needed, and seasonal planting of plants is not affected; the ecological restoration matrix prepared from the pig manure and the stalks can passivate heavy metals in soil, improve the fertility level of soil, promote the realization of ecological restoration effect and effectively utilize agricultural solid wastes, accords with the principles of reduction, harmlessness and recycling, and does not cause atmospheric pollution and water pollution.

The invention relates to a high molecular thin film dust suppressant in a netty structure and a preparation method thereof. The dust suppressant comprises the following components in percentage by weight: 0.5-1.0% of hydrogel high molecular polymer, 0.5-1.0% of epoxy resin, 0.2-0.5% of acetamide, 0.05-0.1% of acetamide and 97.4-98.75% of water. The dust suppressant provided by the invention can be proportioned in a normal temperature state without adding other warming equipment. The dust suppressant proportioned at the normal temperature is sprayed or coated on the surface of mineral powder of a carriage, so that a protective layer is formed on the surface of the mineral powder, thereby avoiding flowing dust pollution of the mineral powder along the line and flowing dust damage of the mineral powder in the railway transportation process. Furthermore, the environmental pollution is avoided, and both huge economic benefit and social benefit of environmental conservation are obtained for railway transportation and mineral powder clients.

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 sealed docking system comprises first and second coupling elements each having respective first and second coupling elements with respective first and second flexible receptacles. Each coupling element has a slot. The two coupling elements engage with one another. The coupling elements are flexible so that when force is applied the slots open.

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.

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 soap embedded plant section method which adopts soap as embedding material, and overcomes the defects that the traditional paraffin section method is slow in speed, complicated in operation, large in cell deformation, expensive in expense, hard in obtaining a thin slice by hands, harmful for human health due to dimethylbenzene, and the like. The method has the advantages of short manufacturing period generally needing about five hours, fewer steps for the treatment of herbarium, small deformation of section preparation cells, low cost in manufacture of the slice, nohurt for the body of an experimenter, no environmental pollution, etc.

The invention discloses a preparation method of polyimide / CCTO@Ag nanoparticle composite material with high dielectric and low loss. According to the method, polyimide is used as matrix, the prepared CCTO@Ag nanoparticles are ultrasonically dispersed in absolute ethyl alcohol, then is blended with polyimide monomer in solvent, then in situ polymerization reaction is carried out on the monomer at room temperature to simultaneously realize copolymerization of polyimide and intercalation recombination with the CCTO@Ag nanoparticles, obtained stock solution is subjected to gradient annealing according to a coating method to finally obtain the polyimide / CCTO@Ag nanoparticle composite film. Compared with pure polyimide, the polyimide / CCTO@Ag nanoparticle composite material prepared according to the preparation method has the dielectric constant (103) increased by 30 times, also has low dielectric loss (0.006) and can be widely applied in fields of high energy storage capacitors, artificial organs, high speed integrated circuits, and the like.

The present invention relates to the technical field of semiconductor material preparation, more specifically, to a doped gallium arsenide single crystal growth process, which absorbs materials with high oxygen reactivity during the two links of polycrystalline synthesis and single crystal growth. It prevents the environment and the oxygen released by arsenic, gallium and quartz tubes during the high temperature process, and prevents oxygen pairs from entering polycrystalline and single crystal. Greatly weaken the influence of oxygen pollution on material properties. Si doping is carried out in the process of polycrystalline synthesis, so that silicon enters gallium arsenide and effectively occupies space. Without the existence of boron oxide, polycrystalline synthesis will not cause B to pollute the polycrystalline. During the single crystal growth process, place C, Al or Ti in the quartz tube to absorb oxygen in the quartz tube, control the oxygen content in the single crystal, and no longer add polycrystalline doped impurities. Boron oxide is added during single crystal growth to increase the single crystal rate and at the same time achieve selective adsorption of impurities. achieve the desired crystal properties.