Production of chlorine from a feed gas containing hydrogen chloride and hydrocarbons and/or chlorohydrocarbons comprises removing (chloro)hydrocarbons from the feed gas and oxidizing the hydrogen chloride

摘要

Production of chlorine from a feed gas containing hydrogen chloride (HCl) and hydrocarbons and/or chlorohydrocarbons comprises removing at least part of the (chloro)hydrocarbons from the feed gas and oxidizing the HCl to chlorine in the presence of a catalyst Production of chlorine from a feed gas containing hydrogen chloride (HCl) and hydrocarbons and/or chlorohydrocarbons comprises: (a) removing at least part of the (chloro)hydrocarbons from the feed gas; (b) feeding the gas into an oxidation zone and oxidizing the HCl to chlorine in the presence of a catalyst; (c) separating HCl and water from the product gas; (d) optionally recycling the HCl to the oxidation zone; (e) drying the product gas; (f) separating an oxygen-containing gas from the product gas and optionally recycling the oxygen-containing gas to the oxidation zone; and (g) optionally purifying the product stream.