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环境化学  2015 

沸石生物联合吸附再生工艺及铵沸石再生

Keywords: 沸石,生物再生,

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Abstract:

简述了沸石生物联合吸附再生的工艺原理,重点讨论吸附了NH4+的沸石粉的生物再生.结果表明,沸石和液相之间的NH4+是一种动态的离子交换平衡,污水的电导率对吸附了NH4+的沸石粉的NH4+解吸量有明显的影响;污水中阳离子对吸附了NH4+的沸石粉的再生率可达40%-50%,在微生物的硝化作用下可达94%.沸石生物联合吸附再生工艺中,吸附了NH4+的沸石粉的再生是"化学再生"和"生物再生"相结合的过程,生物硝化作用促进了沸石相中NH4+的解吸.

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