The printing and dyeing sewage is of great quantity, high colority and poor biochemicalpurification ability.
印染污水具有水量大、色度高、可生化性差的特点。
2
The combination of biochemical action with physicochemical action in deep purification will remove not only suspended particulate efficiently but also soluble organic matters.
深度净化中将物化与生化作用相结合，不但能有效地去除悬浮颗粒，而且能进一步去除溶解性有机物。
3
Comparing with conventional biochemical product separation and purification techniques, liquid membrane is a simple, efficient, and cost-saving method.