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OALib Journal期刊
ISSN: 2333-9721
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臭氧氧化烟气多种污染物协同脱除技术副产物亚硝酸盐的无害化处理
, PP. 42-46
Keywords: 烟气脱硫脱硝,氧化法,亚硝酸盐,naclo,ph值
Abstract:
采用次氯酸钠氧化法对臭氧氧化烟气脱硫脱硝的副产物亚硝酸盐进行转化试验研究,得到了不同工况下亚硝酸盐的氧化反应特性。结果表明:在仅含no2-的溶液中加入等量次氯酸钠（naclo）,亚硝酸盐氧化效率仅为60%~65%；氧化效率随着反应溶液ph值的降低而升高,弱酸性环境(ph=5~7)中naclo的氧化性最强；在25℃、溶液ph值为5~6的工况下,naclo用量为理论需用量的1.1倍时,10min内可将nano2完全氧化为nano3,且过量的naclo可在24h内完全分解。
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