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燃煤飞灰氧化汞的机制研究 被引量：4

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摘要 为深入揭示飞灰与汞的作用机制,采用固定床汞吸附脱附实验系统详细研究了飞灰对汞的吸附氧化作用,尤其是单一气氛下飞灰本身对汞的吸附氧化性能,评价了飞灰中汞的脱附和析出形态,结果表明:飞灰自身对汞有明显的氧化作用,依据飞灰吸附脱附汞形态差异,构建了飞灰与汞作用活性点的分类,提出了3种飞灰氧化汞的反应机制;酸性气体对促进汞氧化、提高飞灰与汞的作用产物的稳定性有重要意义;晶格氧是飞灰氧化汞的重要氧化剂.
作者 赵永椿 张军营 刘晶 Mercedes Diaz-Somoano M.Rosa Martinez-Tarazona 郑楚光
机构地区 华中科技大学煤燃烧国家重点实验室 Instituto Nacional del Carbon(CSIC)
出处 《科学通报》 EI CAS CSCD 北大核心 2009年第21期3395-3399,共5页 Chinese Science Bulletin
基金 国家自然科学基金(批准号:40672098,50721005) 国家重点基础研究发展计划(编号:2006CB200304) 中国博士后科学基金资助项目
关键词 汞 飞灰 氧化 吸附脱附 烟气
分类号 TQ534.9 [化学工程—煤化学工程]
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参考文献17

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科学通报
2009年 第21期

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