以锰系化合物为循环介质HCl制备Cl_2的清洁工艺(英文)

【摘要】：A new process is developed by using compound Mn as intermediate to produce Cl2from HCl,with the following steps.(1)HCl steam is decomposed by intermediate Mn2O3to produce Cl2and Mn Cl2at 500°C.(2)Produced Mn Cl2is oxidized by water steam to produce Mn O at 450°C.(3)The Mn O compound is oxidized by air to yield Mn2O3.The X-ray diffraction(XRD)crystallite characterization results indicate the high conversion in each step under the optimum experimental conditions.Long term experiments for continuous conversion of HCl to Cl2by using Mn2O3as intermediate in a fixed bed reactor indicate that over 90%of HCl could be converted to Cl2on stream of 30 h.The production of Cl2from HCl with Mn compound as an intermediate and atmospheric steam is a feasible and recyclable process. 【作者单位】： National
【关键词】： Hydrogen chloride Chlorine Manganese chloride Manganese oxide
【基金】：Supported by the National High Technology Research and Development Program of China(2011AA060703) the Innovation Funds of institute of processes engineering of Chinese Academy of Sciences(062702)
【分类号】：TQ124.4
【正文快照】： r t i c l e i n f o a b s t r a c taArticle history:Received in revised form 17 October 2013Accepted 13 December 2013Available online 22 November 2014A new process is developed by using compound Mn as intermediate to produce Cl2from HCl,with the followin

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