30results about How to "High reduction potential" patented technology

The invention provides a cellulose/silver chloride composite material and a preparation method thereof. The cellulose/silver chloride composite material is quickly prepared by adopting microcrystalline cellulose, sliver salt and chlorine compound as the materials, adopting water as solvent and adopting an ultrasonic-wave treatment method. The cellulose/silver chloride composite material prepared by the preparation method disclosed by the invention is uniform in silver/ silver chloride nanometer particle, capable of being uniformly distributed on a cellulose substrate and is extensive in application prospect in the antibacterial filed and the photocatalysis filed. Moreover, according to the preparation method disclosed by the invention, the materials are cheap, the process is simple, the operation is convenient, the preparation is quick and the process conditions are easy to control, so that the production process is greatly simplified, the time is saved and the cost is reduced. Meanwhile, the preparation method is free of any expensive and complex equipment and is beneficial to the industrial popularization.

The invention provides a diatom ooze coating, belonging to the technical field of decoration coatings. Components of the diatom ooze coating mainly comprise synthesized emulsion, a dispersant, kieselguhr, a filler, a silver ion antibacterial agent, an additive and water and the like. The aperture of the selected kieselguhr is 280-580 meshes, and a micropore structure of the kieselguhr can be kept, and actions of humidifying and absorbing and dissolving formaldehyde can be achieved. The content of emulsion is reduced, and the strength of the coating after a wall is coated is ensured, and powder falling is avoided, and kieselguhr particles are not fully wrapped due to a formed membrane thus the micropores are not blocked, so that the functionality is not affected. The silver ion antibacterial agent is added into the coating, so the growth and propagation of microorganisms are effectively inhibited. The diatom ooze coating is obtained in a manner of charging materials in batches and stirring. Before the emulsion is added, under stirring, a thickener and a pH regulator are added, and the thickener can be fully dissolved by a shearing action, and an advanced dissolving step for the thickener is reduced.

A lithium hydroxide production process integrating a lithium stripping stage with a lithium hydroxide production process performed in a two-compartment electrolysis cell.

The invention relates to silver-ion antibacterial plastic, which consists of the following raw materials by weight percent: 80 percent of plastic, 5 percent of nano silver powder, 7 percent of flame retardant agent, 5 percent of bond and 3 percent of lubricant. The silver-ion antibacterial plastic can realize the broad-spectrum antibacterial and has a flame retardant effect.

The invention discloses a method for removing copper, cadmium, nickel and cobalt out of a zinc sulfate solution through one step. The method comprises the steps that manganese metal powder and/or manganese-based alloy powder are/is added into the zinc sulfate solution containing copper, cadmium, nickel and cobalt, wherein the temperature of the zinc sulfate solution ranges from 45 DEG C to 70 DEG C, and the pH of the zinc sulfate solution is larger than 4.0; and stirring is carried out for a reaction, after the reaction is finished, filtering separation is carried out, and the zinc sulfate solution with the contents of copper, cadmium, nickel and cobalt all lower than 0.8 ppm is obtained. According to the method, copper, cadmium, nickel and cobalt can be efficiently removed out of the zinc sulfate solution through one step at the same time, no impurities endangering zinc electrolyzing are introduced, the technological process is simple and low in cost, no complex and special equipment is needed, and good industrial application prospects are achieved.

The invention belongs to the technical field of environmental protection and industrial emission reduction and provides an application of zero-valent iron-loaded biochar in wastewater treatment. According to the application, zero-valent iron-loaded biochar is added into wastewater containing metal ions, wherein the wastewater is electroplating wastewater or a mixture of the electroplating wastewater and organic wastewater, the reduction potential of the metal ions is higher than that of zero-valent iron, the metal ions are reduced into elementary substances by the nano zero-valent iron, the elementary substances and elementary substance iron on the biochar form a multi-metal composite material, and organic matters are efficiently catalyzed to be degraded; and meanwhile, the electroplatingwastewater and the organic polluted wastewater are mutually diluted, so that the aim of treating wastes with wastes is fulfilled; the zero-valent iron loaded biochar has magnetism, can be convenientlyrecycled by an electromagnet, and still has good treatment capacity after being repeatedly used. The application of the zero-valent iron-loaded biochar in wastewater treatment achieves a good effectin wastewater treatment; and the material has magnetism and is easy to recycle, so that the zero-valent iron-loaded biochar has a good application prospect.

The invention discloses pre-orientated polyester filament yarn and a manufacturing method thereof. The manufacturing method comprises the following steps that 1, a fiber-grade PET board is cut into chips, and the PET chips are dried for twice to enable the moisture content of the PET chips to be smaller than or equal to 25 ppm; dried PET chips are fused, hexadecyl trimethyl silver ammonium bromide, 1,1'-sulfo-bis(2-naphthol), 2-hydroxybenzophenone and a nickelous EDTA complex are added after the dried PET chips are completely fused, and after the materials are evenly mixed, filamentation is performed through extrusion forming and cooling is performed; 2, PET yarn obtained in the step 1 is sequentially processed through collecting through a first roller, heating through an upper heating box, twisting through a heater, drawing through a second roller, sizing through a lower heating box, further sizing through a third roller, oiling through an oiling device and forming through a winding roll to obtain the pre-orientated polyester filament yarn, wherein a chemical fiber oiling agent is contained in the oiling device, and the production speed of the pre-orientated polyester filament yarn is controlled at 3300 rad/min. The pre-orientated polyester filament yarn has the better anti-ultraviolet property and the higher breaking strength.

The invention discloses a silver vanadate/silver carbonate p-n heterojunction composite photocatalyst as well as a preparation method and application thereof. The silver vanadate/silver carbonate p-nheterojunction composite photocatalyst is prepared by taking silver carbonate as a carrier, and the silver carbonate is coated with silver vanadate. The composite photocatalyst has the advantages of high photo-induced electron-hole separation efficiency, high photocatalytic activity, strong light absorption capability, good stability, corrosion resistance and the like, and is a novel visible lightcatalyst, and the preparation method has the advantages of simple and convenient synthesis method, low raw material cost, low energy consumption, short time consumption, easily-controlled conditionsand the like, and is suitable for popularization and application. The composite photocatalyst disclosed by the invention can be used for degrading antibiotic wastewater and dye wastewater, has the advantages of stable photocatalytic performance, strong corrosion resistance and high pollutant degradation efficiency, and has a very good practical application prospect.

The invention discloses a scented candle for purifying the air and a preparation method thereof. The scented candle is prepared from the following raw materials, by weight, 25-90 parts of soybean oil, 3-8 parts of essential oil and 1-5 parts of silver particles. The invention provides an air-purifying scented candle capable of kill bacteria and microbes in the air and purifying the air indoors during the burning process of the candle and a preparation method thereof. As silver particles crashes into moisture in the air to coagulate, suspended particles in the air are carried along with the coagulated silver particles to the ground. Thus, proportions of suspensions in the air are reduced.

The present invention is to provide an etching solution capable of effectively reducing Galvanic effect, wherein the etching solution is obtained by way of dissolving an etchant and a nitrogen containing five-member heterocyclic compound in water. Thus, when at least one first metal (e.g., gold) and at least one second metal (e.g., copper) disposed on a substrate is treated with a wet etching process by using this etching solution, the nitrogen containing five-member heterocyclic compound would form an organic protecting film on the first metal having higher reduction potential, so as to effectively avoid the second metal from being over etched resulted from the Galvanic effect.

The invention discloses a vanadium-titanium magnetite ore coal-based reduction process. The adopted production process includes the steps that vanadium-titanium magnetite concentrate, high- volatile coal, a binder and a focusing agent are subjected to batching, blending and pelletizing according to the ratio being 100:(38-40):(1-3):(1-2); in the process of conducting heating and temperature rise on dried pellets in a rotary hearth furnace, reduction is conducted on vanadium-titanium magnetite ore through H2 generated by coal sufficient pyrolysis and H2 generated by carbon gasification reactionwith H2O as a gasification agent, the fire box temperature is controlled at 1250 DEG C to 1300 DEG C, the calcination time is 50-55 min, the vanadium-titanium magnetite ore can be sufficiently reduced, and after reduction materials are subjected to dry grinding dry separation and electric furnace smelting separation, semi-steel, vanadium-titanium-rich tailings and vanadium-titanium-rich slag canbe obtained. The vanadium-titanium magnetite ore coal-based reduction process has the advantages that vanadium-titanium magnetite ore reduction is sufficient, the product metallization ratio is high,the production energy consumption is low, the single-furnace production capacity is high and essence emission reduction is achieved; and after the vanadium-titanium-rich tailings and the vanadium-titanium-rich slag are subjected to acid leaching, iron, vanadium, titanium and other valuable elements in the vanadium-titanium magnetite ore can be recycled.

The invention relates to a silver ion and ozone sterilization environment-friendly protection mop bucket, which comprises a bucket body, wherein the inner wall of the bucket body is respectively provided with a silver metal positive electrode plate and a silver metal negative electrode plate, the outer wall of the bucket body is provided with a battery box and batteries, and lead-out wires of the silver metal positive electrode plate and the silver metal negative electrode plate are connected with the batteries. An ozone generator is arranged outside the bucket body, and an ozone outlet is arranged on the lower portion in the bucket body. The silver ion and ozone sterilization environment-friendly protection mop bucket is used to disinfect and sterilize by adopting silver ions or ozone, and is environment-friendly, practical and convenient.