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coal chemical catalytic

     

Catalytic waste treatment methods mainly include non-solvent catalysts, solvent catalysts, and carbon carriers. Domestic production enterprises adopt different processing technologies based on material properties, primarily using calcination technology as the main process and wetting technology as a secondary process. This design, targeted at the properties of coal chemical catalytic waste materials, analyzes the advantages and disadvantages of existing processing technologies and proposes a combined process of calcination plus wetting. The process sequence includes calcination, leaching, clarification, ion exchange, dissolution, deposition of zinc, and refining of zinc.

This process employs a full dissolution technology to use ion exchange resin for adsorbing zinc, producing both a basic solution containing zinc after dissolution and sulfuric acid aluminum solution. The basic solution is further processed through coordination, deposition, calcination to produce cotton wool zinc products, while the sulfuric acid aluminum solution is sent to the municipal wastewater treatment plant for use aswater clarifying agent, achieving comprehensive utilization.

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