the secondary treating water from urban domestic sewage treatment plant was treated by fine membrane with the way of periodic counter-flow static type.
本研究对城市生活污水处理厂二次处理水,采用周期逆洗型静态过滤方式进行了精密膜过滤。
to find out an economic and efficient sewage treatment process suitable for our country, improvement and tests on urban domestic sewage treatment are made for dat-iat process.