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钢铁酸洗废液资源化的膜处理技术
Membrane disposition technology of steel pickling waste acid liquor resource utilization
【摘要】 钢铁酸洗废液具有腐蚀性,其中含有可回收利用的大量酸和铁资源。作者就酸洗废液中酸的回收、浓缩和含酸废水达标排放涉及到的膜分离技术的发展现状进行了综述。着重介绍了渗析法、电渗析、纳滤、气升式膜反应器和减压膜蒸馏技术在钢铁酸洗废液资源化中的应用。
【Abstract】 Steel pickling waste acid liquor,a kind of bad corrosion contaminant,contains a great deal of reproducible acid and ferrous ion.membrane separation technologies such as dialysis,electrodialysis,nanofiltration,airlift membrane reactor and vacuum membrane distillation are discussed in detail,in which acid recycle,concentration and waste acid water letting out are involved.
【关键词】 钢铁酸洗;
酸洗废液;
废水处理;
膜分离技术;
【Key words】 steel pickling; waste acid liquor; wastewater treatment; membrane separation technology;
【Key words】 steel pickling; waste acid liquor; wastewater treatment; membrane separation technology;
【基金】 天津市科技攻关计划重点项目(05YFGDGX10000-3)
- 【文献出处】 工业水处理 ,Industrial Water Treatment , 编辑部邮箱 ,2006年12期
- 【分类号】X703
- 【被引频次】52
- 【下载频次】809