The solid is made into a liquid according to a 1: 3 solution. Calculated in 100ml. At this point ph value will be about 4.5, 30 degrees hydrochloric acid added
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The polyaluminum chloride should be aluminum chloride with crystal water, and the aluminum hydroxide produced by both is flocculent.
Find a mouse, respectively, to eat spoonful of it to die is polyacrylamide (do not rule out the possibility of propping up)
PAM10-30kg. If the process for the first biochemical, then the above dosing doubled. The actual dosage according to the water quality is different, under normal