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化工进展  2015 

碳热还原二氧化硫制备硫黄的研究进展

DOI: 10.16085/j.issn.1000-6613.2015.07.015, PP. 1898-1904

Keywords: 二氧化硫,还原,硫黄,微波辐照,反应动力学,活性炭

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Abstract:

碳热还原二氧化硫制备硫黄是一种绿色资源化的SO2治理技术。本文对碳热还原二氧化硫制备硫黄的研究进展进行了综述,介绍了国内外关于碳与二氧化硫反应机理及反应动力学的研究,讨论了C/SO2摩尔比、反应温度、反应时间、反应气氛、碳的类型以及矿物质等因素对碳热还原二氧化硫反应的影响规律。得出了反应实现较高SO2转化率和S产率所需要的条件。并指出微波辐照条件下,碳还原二氧化硫的反应优势明显,研究其反应机理和产物生成规律对于该技术的应用意义重大,是未来发展的重要方向。

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