... liquid filtration and industrial filtration 1) sludge dewatering filter fabric2) use: filter press belt for sludge dewatering treatment3) material: ... sludge dewatering of urban sewage treatment plants with belt filter presses and paper making ,coal ,pharmacy,mining, ... chemical wastewater treatment.Advantage :1.Good water permeability,2.good abrasion.3 acid resistance ,hi-temperature resistance,4 ...