PAC(Poly Alumium Chlorid is a high effective and important water treatment agent. It has the advantage of below points:
a). Flocculation ability, high adsorption activity, floc formation and deposition of fast
b). Without alkali and other additives, PH broad in scope, ease of use; for low-temperature, low turbidity
low alkalinity of the raw water is also good flocculation
c) fast dropping, and can eleminate the SS,COD,BOD and heavy metal ion, As. Hg in the water.
d ) smaller using quantity.
1) Dilute the production with 10-40 times of water first, and then add them directly into the water.
After being mixed for several minutes, it can be sedimentation or flotation to become clean water.
2) The PH value of the wastewater can be adjusted to 8-9 to improve the effect.
3) When the coloration and COD are relatively high, it can be used with ploy aluminum chloride, but cannot mix.
This way can reduce the processing cost. Depends on the test and treatment process to choose add ploy aluminum chloride first or last.
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