By depthfiltration of suspended material in effluent after treatment using contact filtration process, the total Zn and Cd concentration in the effluent discharge can be dropped to 1.
SONDERMANN filters are used to remove, by means of depth-type or surface filtration, both organic and inorganic contaminations from aggressive and neutral liquids.
SONDERMANN过滤器通过深度和表面过滤用来从活跃和中性液体中去除有机和无机杂质。
3
The rate of filtration depends on the surface area, depth, and type of sand through which the water is passed, and the pressure of the water.