... to remove offensive tastes and odor, color, chlorine and volatile organic chemicals, pesticides and trihalomethanes (a group of ... heavy metal such as mercury, lead, cadmium, zinc, iron, manganese and chromium, and hydrogenate, sulphide remaining chloride and so on.(3) ... ideal equipment for drinking water, foodstuff, beverage, pharmaceutical and chemical industries. Material: SUS 304, SUS316, A3 ...