On the replacement of liquid acids such as sulfuric acid with solid acid catalysts

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Currently, the liquid acids used in industry are mainly sulfuric acid and hydrochloric acid; their production generates large amounts of waste liquid. The increasing pressure to protect the environment, along with the complicated procedures required for purchasing sulfuric acid, pose additional challenges. This led to the development of solid acid catalysts. I am aware of a resin catalyst solid acid for reference and academic study only. This solid acid is a catalyst-grade strong-acid type nuclear-grade ion exchange resin loaded on a polymer matrix; its acidic functional groups possess the same chemical properties as those of mineral acids of the same type. The ion exchange resin endows it with the properties of an acidic catalyst and facilitates its separation from mixed products. Catalyst-grade strong-acid cation exchange resin. Thanks to its macroporous properties, it allows rapid reactants to diffuse into its interior. The surface area enables a large number of catalyst sites to participate in the catalytic reaction. This will help the catalytic reaction to proceed faster and more efficiently. It possesses excellent mechanical strength, wear resistance, and tolerance to high temperatures, oxidizing agents, solvents, etc. Colleagues who need to try solid acid catalysts in their projects are welcome to reach out at any time.