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677results about How to "Control generation" patented technology

Gradient Ozone Catalytic Oxidation Method for Degrading Organic Pollutants in Water

The invention relates to a method for degrading organic pollutants in water by gradient ozone catalytic oxidation, and relates to a gradient ozone catalytic oxidation combination method for degrading organic pollutants in water. By the method, the problem that the conventional advanced oxidation technology has defects during individual use, the problem that the organic pollutants in the water cannot be removed efficiently, the problem that the influence of the pH value and temperature of the water on the method is large, and the problem that high-toxicity byproducts are formed are solved. In the method, water treatment is realized by combining two or three of a process for treating O3 individually, an enhanced catalytic oxidation process for O3 and an O3/ultraviolet (UV) process sequentially. By the reasonable optimizing and gradient combination of the three treatment modes, the method is suitable for wide pH values and a wide temperature range, the pollutants with intermediate toxicity are controlled to be formed, the toxicity of the pollutants is reduced, the pollutants in the water is degraded efficiently and completely, and the content of oxidative species in effluent is controlled. An efficient oxidation treatment effect is kept at low temperature, and the generation of bromate, nitroso dimethylamine, chlorate, perchlorate, iodate and periodate can be controlled greatly.
Owner:哈尔滨工投环保产业有限公司

Water-soluble acrylic resin, resin composition containing the same for use in water-based coating composition, water-based coating composition and coating method by use of the same

A water-soluble acrylic resin which is prepared by neutralizing with a neutralizing agent an acrylic copolymer formed by copolymerizing (a) an alkylene oxide group-containing (meth)acrylate, (b) a cyclic saturated hydrocarbon group-containing (meth)acrylate, (c) a hydroxyl group-containing unsaturated monomer other than the monomer (a), and (d) other unsaturated monomer; a resin composition used for a water-based coating composition and containing, as a vehicle component, the above water-soluble acrylic resin; a water-based coating composition containing, as major components, (A) at Least one resin selected from the group consisting of a water-soluble resin and a water-dispersible resin and (B) a pigment, said pigment (B) being subjected to dispersion treatment; with a water-soluble acrylic resin (C), which is prepared by neutralizing with a neutralizing agent an acrylic copolymer formed by copolymerizing (a) an alkylene oxide group-containing (meth)acrylate, (b) a cyclic saturated hydrocarbon group-containing (meth)acrylate, and (e) other unsaturated monomer, followed by being mixed with the resin (A) to form a water-based coating composition; a coating method comprising coating a base coat coating composition onto a substrate followed by coating a top clear coating composition, the above water-based coating composition being used as the base coat coating composition.
Owner:KANSAI PAINT CO LTD

High-wind-temperature rotational flow injection disturbance melting reduction and prereduction combination device and method

ActiveCN102337369AGood for high pressure operationGood for material level controlShaft furnaceMetallurgyCogeneration
The invention discloses a high-wind-temperature rotational flow injection disturbance melting reduction and prereduction combination device and a method, which belong to the technical field of melting reduction. The device comprises a raw material system, a furnace top material charging and distributing system, a melting reduction furnace, a furnace top high-temperature gas system, a prereduction furnace, a semicoke gas recycling system, a coal dust preparing and spraying system, a molten iron desulfurizing agent preparing and jetting device, an oxygen and nitrogen supplying system, a residual iron treating system, a high-wind-temperature hot blast furnace, a melting reduction furnace blower, a furnace top gas dedusting and recycling system and a gas cogeneration device. The method comprises the following steps of: introducing high-temperature gas which is generated in a high-wind-temperature rotational flow injection disturbance melting reduction furnace into the prereduction furnace; directly reducing an iron-containing raw material in a solid phase state into a prereduction furnace material with a certain metallization rate; cooling, and then adding the cooled material and semicoke which serve as the furnace material and a fuel respectively into the melting reduction furnace; and finally producing molten iron by reduction. The device and the method have the advantages of high production efficiency and low energy consumption, are easy to operate and make industrialization easily realized.
Owner:BEIJING SHOUGANG INT ENG TECH

Synthesis, preparation and forming integrated method of NiAl alloy hook face plate component

The invention discloses a synthesis, preparation and forming integrated method of a NiAl alloy hook face plate component, relates to a synthesis, preparation and forming integrated method of an intermetallic compound hook face plate component, and aims to solve the technical problem that thermoforming of the hook face plate component is difficult because the existing NiAl alloy plate blank is poor in plasticity. The synthesis, preparation and forming integrated method comprises the following main steps: I, laminating and hot pressing Ni foils and Al foils alternately to obtain a Ni / Al lamination composite board; II, carrying out hot gas bulging forming on the Ni / Al lamination composite board to obtain the demanded shape and size, and enabling the Ni foils and the Al foils to react in a hot gas bulging forming die to synthesize a Ni-Al intermetallic compound; III, taking a forming piece out of the hot gas bulging forming die and putting the forming piece in a vacuum thermal treatment furnace for high-temperature vacuum thermal treatment to enable the generated Ni-Al intermetallic compound to completely react so as to generate NiAl alloy; and IV, putting the forming piece after thermal treatment in the hot gas bulging forming die, and carrying out densification treatment under the high-pressure gas bulging action. The synthesis, preparation and forming integrated method is suitable for preparation and forming of the NiAl alloy hook face plate component.
Owner:HARBIN INST OF TECH
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