环境工程学报2012，Vol.6Issue(8)：2715-2719,5.
低浓度氨氮废水的离子交换法脱氮
Ammonia-nitrogen removal from low concentration wastewater by ion exchange
杨朗 1李志丰1
作者信息
- 1. 南京工业大学材料科学与工程学院,南京210009
- 折叠
摘要
Abstract
The isothermal adsorption model and the exchange-regeneration carve of zeolite are discussed a- long with ammonia-nitrogen recovery in waste-regeneration liquid through the method of chemical precipitation. The studies show that saturated exchange capacity to ammonia-nitrogen is 4.15 mg/g of 60 - 80 mesh natural ze- olite. 30 mg/L ammonia-nitrogen wastewater through the zeolite exchange column, breakthrough adsorption ca- pacity and balance adsorption capacity reach 4.50 mg/g and 4. 757 mg/g, respectively. After chemical precipi- tation, the ammonia-nitrogen in regeneration liquid declined from 202 mg/L to 16.3 mg/L.关键词
氨氮废水/天然沸石/化学再生/化学沉淀法Key words
ammonia-nitrogen wastewater/natural zeolite/chemical regeneration/chemical precipitation分类
资源环境引用本文复制引用
杨朗,李志丰..低浓度氨氮废水的离子交换法脱氮[J].环境工程学报,2012,6(8):2715-2719,5.
