... ,1/2HP 3.employ high quality PP board to weld. Vertical PP scrubber1.High air flow,medium and low voltage2.Countercurrent ... washing process,dyes,pharmaceuticals,deodorant,combustion exhaust gas SOX/NOX the removal of water-soluble material,and other air pollutants treatment.Technical ... , bypass valve, electric heating for hopper, level and temperature comprehensively. Vertical PP scrubber