Polyacrylamide ndiwogwiritsidwa ntchito kwambiri pamakampani opanga mapepala. Polyacrylamide (PAM), monga polima sungunuka madzi, ali kwambiri flocculation, thickening, kubalalitsidwa ndi katundu zina. Idzagwiritsidwa ntchito munjira zingapo zosiyanasiyana ndi ntchito zosiyanasiyana. M'makampani opanga mapepala, PAM pla...
Werengani zambiri