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环境化学  2015 

Fe0.5Zn0.5Al2O4尖晶石催化剂催化湿式氧化降解苯酚的稳定性

Keywords: 催化湿式氧化,苯酚,尖晶石,

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Abstract:

研究了Fe0.5Zn0.5Al2O4尖晶石型复合氧化物催化剂在催化湿式氧化处理苯酚废水中的性能.结果表明,在150℃下苯酚就能完全被去除,COD去除率达到94%.催化剂中铁的溶出量随着反应时间的增加经历了一个先增加后减小的过程;而且最终出水铁离子浓度随催化剂用量、氧分压、苯酚溶液pH值的增加而减少,随苯酚浓度的增加而增加.

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