Polyaluminium chloride (PAC) yog cov khoom siv tsis muaj tshuaj lom neeg, cov khoom siv lim dej tshiab, inorganic polymer coagulant, hu ua polyaluminium.PAC polyaluminium chloride los ntawm cov tshuaj tsuag kom qhuav zoo stability, hloov mus rau cov dej dav, hydrolytic ceev, muaj zog adsorption muaj peev xwm, tsim cov alum flowe ...
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