Modified porous copper-nickel alloy plate and preparation method and application thereof

Abstract

The invention discloses a modified porous copper-nickel alloy plate and a preparation method and application thereof. The preparation method of the modified porous copper-nickel alloy plate comprisesthe following steps: uniformly mixing raw materials comprising a polymer binder, a viscosity regulator, copper powder, nickel powder and an organic solvent, coating a carrier plate with the obtained mixture, and immersing the carrier plate in a soaking solution which is water or a mixed solution of water and ethanol, then sequentially placing the prepared porous copper-nickel alloy plate precursorin an oxygen or air atmosphere and a hydrogen or carbon monoxide atmosphere to be heated, and finally placing the prepared porous copper-nickel alloy plate in a carbon source gas atmosphere to be heated. The novel catalytic material provided by the invention is simple to prepare and low in industrial popularization difficulty, the degradation rate and the degradation efficiency are greatly improved when the novel catalytic material is used for VOCs treatment, an additional energy supply device is not needed during application, and in addition, a device matched with the modified porous copper-nickel alloy plate is simple in structure and convenient to use. The application prospect of the catalytic degradation method is greatly expanded.

Description

technical field [0001] The invention relates to the field of materials, in particular to a modified porous copper-nickel alloy plate and its preparation method and application. Background technique [0002] VOCs refer to a series of volatile organic compounds. Due to the continuous enrichment of human daily life and the continuous development of industrialization, the emission of VOCs in domestic waste gas and industrial waste gas is also increasing. VOCs can cause certain damage to the human body. In mild cases, they can cause inflammation and pain in the eyes, nose, and throat, making people feel sick and dizzy. In severe cases, they can increase the risk of cancer, especially lung and liver cancer. [0003] In the prior art, methods such as adsorption, combustion and catalytic degradation are generally used to degrade VOCs; among them, the adsorption method will produce certain hazardous waste; the combustion method is only suitable for processing high-concentration VOCs,...

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Problems solved by technology

[0003] In the prior art, methods such as adsorption, combustion and catalytic degradation are generally used to degrade VOCs; among them, the adsorption method will produce certain hazardous waste; the combustion method is only suitable for processing high-concentration VOCs, and the scope of application Narrow and large equipment loss; while catalytic degradation methods, including photocatalytic degradation methods, do not produce hazardous waste and are suitable for treating high-concentration and low-concentration VOCs, but their cost is high and efficiency is low, and additional energy supply devices are required. The device is complex, and it is difficult to popularize industrialization; in addition, the catalytic materials in the prior art are basically granules or powders, which cannot cope with large-scale processing and cannot be widely used in industry

These defects greatly limit the development of catalytic degradation methods

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