... .05% maximum Function: 1.Industrial waste water treatment: For the neutral or alkaline waste water with pH value of 7-14 ... as the waste water from iron industry, electroplating factory, metallurgical industry, coal washing, etc.. 2.Drinking water treatment: When the ... is well-known as a reliable manufacture, mainly producingwater treatment materials, such as Polyaluminium Chloride (PAC),PAM including ...