38results about How to "Pollution fast" patented technology

The invention relates to a production method for producing semi-reinforcing carbon black, methanol and liquid ammonia with coke oven gas, which comprises the followings steps: the desulfurization of coke oven gas, demethanization realized through pressure swing absorption, the synthesis and rectification of methanol, CO conversion of carbon black exhaust gas and exhaust gas from methanol plant, the synthesis of decarburization and liquid ammonia; the method is characterized in that the coke oven gas is demethanized through pressure swing absorption; methane gas enters into a carbon black reaction furnace; air or oxygen is fed in as oxidizer; carbon block is generated in the reaction furnace; the semi-reinforcing carbon black product is obtained after the carbon block is granulated by a bag filter; the carbon black exhaust gas can enter into a methanol synthesis system or a liquid ammonia production system. The demethanized gas receives methanol synthesis treatment; H2 of the exhaust gas from methanol plant after methanol synthesis is extracted by a pressure swing absorber, and the residual gas after hydrogen extraction enters into a synthetic ammonia system to prepare liquid ammonia. The production method is characterized by short process route, low investment, small pollution, quick effect and the like, and can reasonably utilize the resources.

The invention relates to the technical field of protective equipment, in particular to a gauze mask. The gauze mask comprises a shell and a jacket, wherein the jacket is made from a soft material, thejacket is located on the side, close to a human face, of the shell, and the jacket is detachably connected to the shell; and an air inlet and an air outlet are formed in the shell, an air inlet fan is arranged at the air inlet, a filter device is detachably arranged at the air inlet, the filter device is located on the air inlet side of the air inlet fan, and an air outlet fan is arranged at theair outlet. The jacket made from the soft material can be attached to the face of a human body well; the filter device can filter air to adsorb pollutant particles in air to the filter device; the airinlet fan can inhale air to the gauze mask automatically for respiration by the human body, and the air outlet fan can discharge air in the gauze mask from the gauze mask for air circulation. The gauze mask not only can prevent haze, but also can circulate air inside and outside the gauze mask by means of respiration of the human body, and is relatively excellent in ventilating property.

The invention discloses a method of removing paracetamol by applying a vertical-current biological retaining system. According to the method disclosed by the invention, a modularized biological retaining system can be introduced to purify a water pollutant containing paracetamol, so that not only can requirements of biological water treatment technical development of synchronous detoxification denitrification be achieved, but also pollution of the paracetamol can be quickly degraded. The method has the advantages such as simplicity in operation, certain pollution load resistance, and the like, and is very suitable for a water treatment process of wide areas such as municipal sewage and agricultural sewage.

The invention provides a kit for rapidly extracting bacterial plasmid DNA by a magnetic bead method and an extraction method. The kit comprises a lysis reagent group for lysing bacteria and an extraction reagent group for extracting plasmid DNA, wherein the extraction reagent group consists of a magnetic bead binding solution, a washing solution and an eluent. In the method for rapidly extracting plasmid DNA based on the kit, a mixed solution of magnetic beads of which the surfaces are modified with silicon hydroxyl or silicon carboxyl, 0.15-0.45M of sodium acetate, 1-3wt% of dithiothreitol and 3-5M of guanidinium isothiocyanate is taken as a magnetic bead binding solution composite system, so that the binding capacity of plasmid DNA and magnetic beads is enhanced greatly, the extraction efficiency is increased, the extraction speed is increased, the adsorption process of magnetic beads on DNA only needs 1 minute, and extracted DNA has high purity and complete fragments; and meanwhile, reagents are nontoxic, so that environmental pollution is low, and most of similar products on the market can be replaced.

The invention discloses a water-soluble flame-retardant protective film, and belongs to the technical field of protective films. The protective film comprises the following components in parts by mass: 15-30 parts of polyvinyl alcohol, 0.5-3 part of methyl silicone oil, 0.1-2 part of a plasticizer, 0.1-2 part of an antioxidant, 2-8 parts of an emulsifier, 0.2-3 part of a thickening agent, 0.1-3 part of a water-based quick-drying agent, 1-5 parts of a water-based flame retardant, 0.3-3 part of span 60, and 40-80 parts of water. According to the invention, aiming at the problems of low protection efficiency, high cost, difficulty in stripping, generation of solid wastes, inflammability and the like of the traditional protection film, water is selected as a solvent, polyvinyl alcohol is selected as a protection film base material, additives such as an antioxidant, a plasticizer, an emulsifier, a thickener, a water-based quick-drying agent, a water-based flame retardant, span-60 and the like are used as auxiliary materials, mixing is performed in a mechanical stirring manner, the flame-retardant protective film is applied to the surfaces of protected materials such as workshop walls, equipment, pipelines, kitchens, instruments and the like in a brush coating or spray coating mode, can be peeled off from the surfaces after protection is completed and can also be quickly cleaned with cold water, no residue exists on the surfaces after cleaning, and particularly, and the protective film can achieve an effective flame-retardant effect due to addition of a water-based flame retardant.

The invention discloses a strain of Aspergillus oryzae, the fungal strain is classified as Aspergillus oryzae, and is now preserved in the General Microorganism Center of China Microbiological Culture Collection Management Committee, and the preservation number is: CGMCC NO: 15680. The cultivation method of the bacterial strain Aspergillus oryzae is as follows: the bacterial strain is inoculated into the fermentation medium, and cultured with shaking at 30±2° C. and a rotational speed of 220 rpm for 4-5 days. The aspergillus oryzae strain screened by the invention can be used in the treatment of soil and water bodies polluted by atrazine. For low-concentration polluted water or soil, compared with physical and chemical remediation methods, the bacterial strain of the present invention can not only effectively and quickly remove atrazine pollution, but also is environmentally friendly, economical and affordable. The bacterial strain has very high application value in the treatment of atrazine-polluted water bodies and soil environments, and the comprehensive treatment of pesticide pollution in industrial sites.

A soil restoration particle and a preparing and using method thereof are provided. The soil restoration particle is a biological particle prepared by adding auxiliary materials into plant organic materials, sterilizing, activating, and performing a plurality of times of microorganism fermentation. After the soil restoration particle is added into heavy metal polluted soil, heavy metals in the soil can be combined with components of the soil restoration particle so that the heavy metals are immobilized, thus reducing direct position caused by concentration of the heavy metals in plants, and reducing or avoiding underground water source pollution caused by leaching, percolation, and the like of the heavy metals. Then heavy metal accumulate plants are cultured on the soil, and under synergistic effects of microorganisms, the particle slowly degrades into a small molecular structure, and is gradually absorbed and stored by the plants as nutrients carrying the combined heavy metal elements. In addition, the particle allows the amount of beneficial microorganisms (such as actinomycetes) in the soil to increase by dozens of times, thus promoting degradation of soil organic pollutants except the heavy metals, improving the micro-ecological environment of the soil, forming a good soil granular structure, restoring soil fertility, enhancing fertility, allowing accumulate plants to survive, breed and grow rapidly, increasing the absorption and storing amounts for the heavy metals, increasing the plant restoration efficiency by a plurality of times, and shortening the restoration period. The soil restoration particle and the method are free of secondary pollution and low in cost, and can ensure safety of the ecological environment.

The present invention relates to environment protecting technology, and is technological process of repairing heavy metal polluted soil with Agaricus placomyces Peck and Stropharia rugosoanulata Farlow. The technological process includes cultivating Agaricus placomyces Peck and Stropharia rugosoanulata Farlow in heavy metal polluted soil, collecting mature Agaricus placomyces Peck and Stropharia rugosoanulata Farlow, treating to obtain slurry containing heavy metal, and chemical electrophoresis or chelating precipitation to eliminate heavy metal ion from the slurry. The present invention utilizes Agaricus placomyces Peck and Stropharia rugosoanulata Farlow with short growth period, powerful heavy metal ion enriching capacity and other features as main biological enriching devices and other simple chemical processes, and has high heavy metal ion eliminating rate.

The invention discloses a method of removing paracetamol by applying a vertical-current biological retaining system. According to the method disclosed by the invention, a modularized biological retaining system can be introduced to purify a water pollutant containing paracetamol, so that not only can requirements of biological water treatment technical development of synchronous detoxification denitrification be achieved, but also pollution of the paracetamol can be quickly degraded. The method has the advantages such as simplicity in operation, certain pollution load resistance, and the like, and is very suitable for a water treatment process of wide areas such as municipal sewage and agricultural sewage.

The invention discloses a bacterium capable of adsorbing lead and enduring heavy metals and application of the bacterium. The bacterium is classified and named as bacillus megatherium Z-y3, and the preservation number of the bacterium is CCTCC NO.M2017312. The strain can grow well in a 1000mg / L solid culture medium. The strain disclosed by the invention has an alkali generation capability and hasa relatively good lead removal property at different pH values, and the adsorption amount of a cultured bacterium can be maximum, namely about 20g / L, within a short time. The lead-removal metabolite of the strain is non-toxic and is environmentally friendly. Therefore, the strain has very high application values in treatment on lead heavy metal polluted water bodies, soil environment treatment andcomprehensive treatment on industrial field pesticide pollution.

The invention provides a method for joint administration of strontium ion pollution through montmorillonite-urea decomposer. A urea decomposer is separated from the natural environment and grafted into a fluid nutrient medium, and cultivation is carried out for 24 hours to 48 hours under the condition that the temperature ranges from 25 DEG C to 37 DEG C; according to the mass ratio or volume ratio being 1:50-1:5, montmorillonite is added into soil or a water body with the strontium ion density ranging from 200 mg / L to 2000 mg / L; and after 0 to 12 hours, 1:100-1:10 of urea, 1:50-1:10 of peptone and the urea decomposer obtained in the first step are added into a polluted object according to the proportion being 1:80-1:20, cultivation is carried out for 1 d to 15 d after even stirring and mixing, and the removal rate of strontium ions in pollutant can reach 85% to 99%. The method is low in cost, efficient and practical, and has a wide application prospect.

The invention discloses Aspergillus oryzae. The fungus strain Aspergillus oryzae is prepared in China General Microbiological Culture Collection Center, and the preservation number of the Aspergillusoryzae is CGMCC No. 15680. A culture method of the Aspergillus oryzae includes: inoculating the strain to a fermentation culture medium, and performing shake culture under the temperature of 30+ / -2 DEG C and the rotation speed of 220rpm for 4-5 days. The screened Aspergillus oryzae is applied to the treatment of soil and water polluted by atrazine. During the treatment of the water or soil polluted by low-concentration atrazine, a method using the Aspergillus oryzae is capable of effectively and fast removing the atrazine pollution, green, environmentally friendly and economical as compared aphysical and chemical remediation method. The Aspergillus oryzae has a quite high application value in the treatment of the water and soil polluted by atrazine and the comprehensive treatment of industrial site pesticide pollution.

The invention discloses an anti-pollution inspection device used in a laboratory, which comprises a workbench, a placement groove is arranged above the workbench, a support frame is placed in the placement groove, and a workbench is arranged above the workbench. The bottom of the working tank is provided with a filter port, one side of the filter port is provided with a connecting column, one side of the two connecting columns is provided with a clamping ring, and one end of the clamping ring is provided with a tooth The connecting column is provided with a socket for passing through the rack bar, and the connecting column is provided with a rotating groove communicating with the socket. The rotating groove is connected with a knob, and one side of the knob is connected to the tooth. The rods are engaged and connected, and the opposite sides of the two clamping rings are provided with clamping grooves. In the present invention, when the test is over, the seat board can be quickly stored in the receiving tank under the action of elasticity, which is convenient for users to use, and provides users with an anti-pollution inspection device for laboratory departments.

The invention discloses a river channel water pollution treatment equipment, the structure of which includes a cleaning ship, a cover plate, a propeller, a power slurry device, and a net cover. The cleaning ship consists of a hull, a collection bin, an algae collecting mechanism, a crushing mechanism, a pushing mechanism, Composed of inclined plates, the cleaning ship is remotely driven by manual use of algae plates to include algae plants, and then the algae collection mechanism is used to salvage the algae plants, and the algae plants are broken by the crushing mechanism, no need to manually slowly Cut and collect, use the inclined plate to introduce the broken algae plants into the collection bin, and use the push mechanism to push the broken algae plants into the collection bin, so as to prevent the algae plants from blocking the entrance of the collection bin, and reduce the salvage of algae plants on the river surface .

A circuit board cleaning agent comprises, by weight, 30-34 parts of butyl acetate, 12-14 parts of acetone, 12-14 parts of propylene glycol butyl ether, 4-5 parts of fatty acid methyl ester sulfonate, 1-2 parts of benzotriazole, 1-2 parts of turkey red oil, 32-34 parts of ethylene glycol, 10-12 parts of diethylene glycol monobutyl ether, 4-5 parts of additives, and 50-60 parts of ethyl alcohol. The circuit board cleaning agent is not corrosive to metal, low in toxicity, low in human skin irritation, complete in cleaning effect, capable of quickly eliminating welding fluxes, rosins, and organic pollution particles, low in environment pollution, and low in cost. The circuit board cleaning agent can form a protection film on the surface of a circuit board, air is isolated, the circuit board is prevented from being corroded by moistures and other molecules in the air, antioxidation and short circuit prevention are achieved, the next preparation process can be conveniently carried out, and the service life of the circuit board is prolonged.

The invention relates to a magnetic resonance device for measuring oil pollution in a water body and a detection method. An upper computer is connected with a helmholtz coil through a master program control power supply; the upper computer is connected with a transmitting coil through a master control unit, an emission control unit and an emission bridge circuit; the upper computer is connected with a receiving coil through a signal collection card, a signal processing unit and a switching switch; the emission coil is connected with the receiving coil through a resonant capacitor. The detection method comprises the following steps: constructing a database, putting a water sample to be detected into the receiving coil and the emission coil for measuring, then contrasting a measuring result with the database, and thus obtaining the measuring result. The greatest advantage lies in that the device is small in size and convenient to carry, the water sample to be detected does not need any pretreatment before detection, and the water sample can be directly put into the device for detection after site sampling, so that the device is time-saving, labor-saving, convenient, quick and simple in operation. A novel method is introduced in the pollution detection field of the water body, and meanwhile the application of a magnetic resonance method is also expanded.

The invention discloses a method for preparing a peanut protein composite fiber by using ionic liquid. The method comprises the following steps of: dissolving peanut protein and polyvinyl alcohol in imidazole ionic liquid respectively to obtain a peanut protein ionic liquid solution and a polyvinyl alcohol ionic liquid solution; mixing the peanut protein ionic liquid solution and the polyvinyl alcohol ionic liquid solution in a mixed ratio of 1:3-1:5; adding an aid to obtain a spinning solution, and entering a coagulating bath; preparing a peanut protein / polyvinyl alcohol composite fiber by a wet spinning method in the coagulating bath; and stretching, washing, performing acetal treatment, applying oil, drying, curling, sizing, and thus obtaining the mixed fiber. By the method, the ionic liquid instead of strong acid and strong alkali is used as a solvent in the process of synthesizing a peanut protein fiber, so that the peanut protein and the polyvinyl alcohol can be quickly dissolved at high concentration and a low temperature, and the preparation process is non-toxic and pollution-free at the same time.

The invention relates to a production method for producing semi-reinforcing carbon black, methanol and liquid ammonia with coke oven gas, which comprises the followings steps: the desulfurization of coke oven gas, demethanization realized through pressure swing absorption, the synthesis and rectification of methanol, CO conversion of carbon black exhaust gas and exhaust gas from methanol plant, the synthesis of decarburization and liquid ammonia; the method is characterized in that the coke oven gas is demethanized through pressure swing absorption; methane gas enters into a carbon black reaction furnace; air or oxygen is fed in as oxidizer; carbon block is generated in the reaction furnace; the semi-reinforcing carbon black product is obtained after the carbon block is granulated by a bag filter; the carbon black exhaust gas can enter into a methanol synthesis system or a liquid ammonia production system. The demethanized gas receives methanol synthesis treatment; H2 of the exhaust gas from methanol plant after methanol synthesis is extracted by a pressure swing absorber, and the residual gas after hydrogen extraction enters into a synthetic ammonia system to prepare liquid ammonia. The production method is characterized by short process route, low investment, small pollution, quick effect and the like, and can reasonably utilize the resources.