双膜法（超滤+反渗透）水处理工艺具有出水水质好、易于实现自控、占地面积小、节水环保等特点；文章重点介绍了双膜法工艺在邯钢污水回用系统中的应用情况。

The double-membrane(ultrafiltration and reverse osmosis) water treatment process features high quality of treated water, easy for realizing autocontrol, less land occupied, low water consumption, environmentally friendly, etc. The paper introduced the application of the double-membrane process in the reuse system of the waste water in Handan iron and Steel (Group) Co. Ltd.