9results about How to "Excellent decontamination" patented technology

The invention relates to the technical field of water pollution treatment, in particular to application of a cerium salt coagulant in water treatment. The specific application method comprises the following steps: adding the cerium salt coagulant into a to-be-treated water body under stirring, carrying out a coagulation reaction, and settling floc generated by the coagulation reaction to obtain the treated water body, the cerium salt coagulant is cerium-containing nitrate, ammonium nitrate, chlorine salt, sulfate or oxalate; the water body to be treated is a water body containing organic matter-turbidity or algae. The invention solves the problem that the conventional treatment process has low removal effect on algae and organic pollutants in water and the problems of narrow applicable pH range, poor coagulation effect at low temperature and high concentration of residual metal ions in the application process of the traditional coagulant.

The invention discloses a surface cleaning device with good decontamination effect, comprising a floor brush with a roller brush, the floor brush is provided with a decontamination device abutting against the roller brush, the decontamination device comprises a scraping piece, a combing piece located below the scraping piece, the combing piece is provided with a plurality of comb teeth and a connecting portion extending from the comb teeth to the lower surface of the scraping piece, the connecting portion abuts against the lower surface of the scraping piece, the comb teeth and the connecting portion form a front combing surface, the front combing surface abuts against the roller brush, the scraping piece extends in the direction of the roller brush over the front combing surface, the liquid flow scraped by the scraping piece forms a filling area between the connecting portion and the lower surface of the scraping piece, the liquid flow in the filling area gathers and increases pressure to flush the gap between the comb teeth. The surface cleaning device not only has a good effect in treating general garbage, but also does not leave entangled objects such as hair on the roller brush, does not require customers to manually clean the roller brush, has high dirt suction efficiency, good dirt suction effect, is more intelligent and humane, and has a good customer experience.

The present application belongs to the technical field of cleaning products, and particularly relates to a high-temperature oil stain removing stove cleaner as well as a preparation method and application thereof. The high-temperature oil stain removing stove cleaner provided by the present application comprises the following components and mass fractions: 11-33 parts of an alkaline additive, 1-2 parts of hydroxyethylidene diphosphonic acid, 3-6 parts of a non-ionic surfactant, 4-8 parts of a solvent, 1-3 parts of a solubilizer, 1-3 parts of sodium xylene sulfonate, and 45-79 parts of water; the solvent comprises ethylene glycol monobutyl ether and diethylene glycol ethyl ether. The high-temperature oil stain removing stove cleaner provided by the present application has the advantages of simple cleaning method, high-temperature oil removing effect, good stain removing and oil scale removing effect on commercial kitchen utensils, high safety, no corrosion to metal, simple raw material composition, and no need to add a defoaming agent.

The invention relates to a decontaminant for pollution of actinide nuclides and a preparation method thereof, and the decontaminant for pollution of actinide nuclides comprises the following raw materials: 4-10% of a surfactant; 2-5% of a chelating agent; 3-7% of an auxiliary agent; and the balance of water. The detergent disclosed by the invention is simple in preparation method and stable in physicochemical property, can realize a good decontamination effect only by conventional cleaning, is non-toxic, non-irritant, non-corrosive, green and safe, and can be suitable for decontamination of radioactive contamination at positions such as equipment surfaces, grounds, tools, personnel body surfaces and the like in nuclear material production and processing and spent fuel post-treatment.

The utility model belongs to the technical field of decontamination structures, and particularly relates to a decontamination structure for leasing assistive devices, which comprises a device box, universal wheels are mounted at the bottom of the device box close to corners, a handle is fixed on the back of the device box, and the universal wheels are connected with the handle. A water tank and a disinfectant tank are installed at the positions, close to the left side and the right side, of the inner bottom face of the device box correspondingly, a first water suction pump is installed on the inner bottom face of the water tank, an electric heating pipe is installed on the inner side wall of the water tank, and a temperature sensor is fixed to the inner top face of the water tank; a first output pipe is arranged at the position, extending to the periphery of the water tank, of the output end of the first water suction pump, and a first electric valve is installed at the position, corresponding to the first output pipe, of the inner bottom face of the device box. And moreover, the auxiliary tool can be well sterilized and disinfected while being decontaminated.

The application discloses a strain of Starmerella bombicola and application thereof, and the preservation number of the Starmerella bombicola (Lip-DYH) is CGMCC No. 25797. The Starmerella bombicola provided by the application provides a new kind of yeast and its product can produce a surfactant, and can improve the surface tension of a target solution and improve the antioxidation of the target solution after being mixed with vegetable oil.

The application provides a concentrated detergent and a preparation method and application thereof, the concentrated detergent comprises anionic surfactant 1-20 parts, non-ionic surfactant 20-45 parts, softening agent 0.01-10 parts, washing aid 0.1-15 parts, deionized water by weight fraction. The concentrated detergent provided by the application can not only have good decontamination capacity, but also has the functional effects of making clothes soft, lasting fragrance and the like through the cooperation of non-ionic surfactant, anionic surfactant, softening agent and washing aid. In addition, the concentrated detergent provided by the application also has the advantages of convenient use and small dosage.

The invention discloses silicon-based solvent-free polyurethane composite artificial leather and a preparation method thereof.The composite artificial leather comprises a surface layer, a middle layer, a bonding layer and a base cloth layer from top to bottom, and the surface layer is prepared by coating release paper with surface layer slurry and drying the release paper; the surface layer slurry comprises water-based resin containing carboxyl siloxane polyurethane resin copolymer, and the preparation method comprises the following steps: carrying out polymerization reaction on hydroxyl polyether-terminated dihydroxyl polydimethylsiloxane, carboxylic acid with double hydroxyl groups and diisocyanate, adding inorganic alkali to obtain carboxyl siloxane polyurethane resin copolymer water dispersion liquid, and adding the water-based resin containing carboxyl siloxane polyurethane resin copolymer into the water-based resin containing carboxyl siloxane polyurethane resin copolymer to obtain the water-based resin containing carboxyl siloxane polyurethane resin copolymer. Adding the mixture into waterborne polyurethane resin; the molecular formula of the hydroxyl polyether-terminated dihydroxyl polydimethylsiloxane is H-O-R-[Si (CH3) 2O] m-R-O-H, m is a positive integer from 25 to 95, R represents a polyether chain segment with the following structure:-O-(C2H4O) p-(C3H6O) q-, p and q are integers from 0 to 15, and p + q is greater than or equal to 1 and less than or equal to 15. The composite artificial leather disclosed by the invention is easy to clean and care, super soft, glossy and transparent, low in odor and VOC (Volatile Organic Compounds) and good in wear resistance.

The utility model discloses a bacteria-algae reactor and treatment system, wherein the bacteria-algae reactor comprises a reactor cylinder body which is a transparent glass structure, the reactor cylinder body is used for limiting a sewage reaction area, a guide plate is installed in the sewage reaction area and is fixedly connected with the reactor cylinder body, a plurality of light plates are arranged on the side wall of the reactor cylinder body, and the light plates are arranged on the side wall of the reactor cylinder body. In the axial direction of the reactor cylinder, the light plates are spirally distributed to form a light band assembly. The application accidentally finds that the reactor is beneficial to efficiently and rapidly generating large-particle-size ABGS sludge, the physicochemical property and decontamination effect of ABGS are superior to those of a conventional reactor, the reactor enables algae to be fixed on AGS granular sludge within 7 days, granulation is completed within 20 days, the average particle size reaches 1.8 mm, and sludge particles are more uniform, compact and stable.