1.WTTP, waste water treatment 2.Enviromental and economical, improve water charactor 3. ... fills Product features:1. Wet weeks, hydraulic radius is small.2. The laminar good condition, particles falling from flocculent flow ... 5 tons/square metre design. And V control in 2.5 3.0 mm/SEC effluent water, within the ... the water inlet place inclined pipe length, the honeycomb 2.0-3.0 meters, may in the 50-100 ...