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OALib Journal期刊
ISSN: 2333-9721
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富氧燃烧烟气中汞的氧化机理研究进展
, PP. 1-6
Keywords: 富氧燃烧,污染物排放,烟气组分,汞析出形态,氧化机理
Abstract:
富氧燃烧是控制co2排放最有效的技术之一。了解富氧燃烧气氛下汞析出形态规律,特别是在煤富氧燃烧气氛下，高h2o和co2含量对烟气中主要氧化性组分(so3,so2,no,no2,hcl,o2,co)间化学反应的作用,以及反应产物和组分与hg0间的相互影响规律，是解决随着富氧燃烧新技术的应用而出现汞控制问题的关键。对此，本文通过查阅相关文献总结分析发现：由于不同燃烧过程会造成烟气组分不同,hg0与不同烟气组分间的反应机理以及hg0的形态转变机制均会对hg0的控制方式造成根本影响。同时指出,对于富氧燃烧模式下的新烟气构成,在常规煤燃烧烟气组分基础上建立的汞排放规律、机制与机理等可能不再适用。
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