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[Chemical Knowledge]:Production and manufacturing method and process flow of chloro acid

The production methods of chlorosulfonic acid mainly include sulfuric acid chlorination method, sulfur trioxide chlorination method and joint method, among which joint method is widely used in industry at present, which has the advantages of good product quality, less three wastes and low energy consumption. The combined method is to generate hydrogen chloride and hydrogen sulfate from the reaction of sulfuric acid and chlorine, and then to generate chlorosulfonic acid by oxidation. Raw material consumption quota: sulfuric acid (100%)944 kg/t, chlorine (100%)920 kg/t.
chlorosulfonic acid is a strong acid, which has strong corrosion and strong oxidation. It reacts violently with water to produce sulfuric acid and hydrochloric acid. Heating to 150 ℃ began to decompose, above 500 ℃ completely decomposed. With organic matter, reducing agent, flammable materials such as sulfur, phosphorus and other contact or mixing, there is a danger of combustion explosion. Volatile, with strong irritating acid mist.
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