... rotation 4.Automatic operation PWC model Industrial continuous centrifuge Model PWC centrifuge is ... , AH-salt, amino-acid ester, ammonium persulphate, ammonium phosphate, ammonia sulfate, ammonium thiosulfate, anthracene, aspirin, bisphenol, borax ... polymethacrylate, polyvinyl alcohol, potash(potassium carbonate), potassium sulphate, potassium solution residue, potassium dichromate, porassium chloride ...