1.WTTP, waste water treatment 2.Enviromental and economical, improve water charactor 3.laminar good condition 4. ... sand, general industrial and in addition to drinking water, sewage precipitation, precipitation every oil and tail concentrate ... 2.5 3.0 mm/SEC effluent water, within the scope of the best.4. In ... the water inlet place inclined pipe length, the honeycomb ...