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OALib Journal期刊
ISSN: 2333-9721
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烟气脱汞技术研究进展
, PP. 1-6
Keywords: 烟气脱汞,吸附剂法,化学氧化法,吸附剂,氧化剂,催化剂
Abstract:
烟气脱汞技术包括吸附剂法、化学氧化法和利用现有设备与技术控制汞排放法3种。吸附剂法是目前最成熟的一种烟气脱汞技术，常用的脱汞吸附剂有活性炭类吸附剂、飞灰、钙基吸附剂、矿物类吸附剂以及各种新型吸附剂；化学氧化法主要包括光催化氧化、金属及金属氧化物催化氧化和选择性催化还原法等，是利用氧化剂或催化剂将烟气中的hg0氧化成hg2+后，再进行脱除；利用现有的袋式除尘设备能除去烟气中的hgp，静电除尘器不但能除去hgp，还能有效氧化吸附hg0；湿法脱硫技术可去除hg2+。
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