Polyaluminium chloride (PAC) ndi chinthu chatsopano choyeretsa madzi, chopangidwa ndi polima coagulant, chomwe chimatchedwa polyaluminium.PAC polyaluminium kolorayidi ndi kutsitsi kuyanika kukhazikika bwino, kutengera madzi ambiri, hydrolytic liwiro, mphamvu adsorption luso, kupanga alum flow...
Werengani zambiri