Preparation of red soil-base polymer catalyst and application of catalyst in preparation of hydrogen energy

Abstract

The invention discloses preparation of a novel red soil-base polymer catalyst and an application of the catalyst in preparation of hydrogen energy through photo-catalytic water splitting. According to the preparation method, industrial solid wastes of red mud at different places of production are used as the raw materials respectively to prepare the red soil-base polymer catalyst under the excitation of a chemical activator. The preparation of the red soil-base polymer catalyst has the advantages that the red mud raw material can be fully utilized and no three wastes are emitted; the red soil-base polymer catalyst is applied to preparation of hydrogen energy reaction through the photo-catalytic water splitting, can be used repeatedly and causes no secondary pollution. The preparation of the red mud-base polymer catalyst and the hydrogen production reaction process are simple and large-scale production and application can be realized.

Description

technical field [0001] The invention belongs to the preparation of a polymer catalyst and its application in the field of new energy, and specifically relates to the preparation of a pure red mud-based polymer catalyst and its application to prepare hydrogen energy by photocatalytically decomposing water. Background technique [0002] Red mud is a muddy strong alkaline solid waste with high water content discharged during the alumina smelting process, mainly composed of fine-grained mud and coarse-grained sand. With the increasing development of the aluminum industry, the amount of red mud discharged from the production of alumina is huge. According to statistics, 1 to 1.8 tons of red mud is discharged for every ton of alumina produced. As the fourth largest producer of alumina in the world, China is only the top five aluminum Industrial bases (Shandong, Shanxi, Great Wall, Guizhou and Guangxi), the annual production of red mud reaches about 6 million tons, the accumulated r...

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Problems solved by technology

The third is to acidify the red mud [37,38] and to prepare the adsorbent by precipitation [37,38,15-21] , but when the adsorbent reaches saturated adsorption, acid treatment or high temperature treatment is required to regenerate the adsorbent, which not only consumes energy, but also produces secondary pollution

[0006] The applicant has checked a large number of patents and literature, and found no literature and patent reports on the preparation of red mud-based polymer catalysts using a single red mud as a raw material and its application in solar photocatalytic water splitting to produce hydrogen energy.

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