What is the percentage of pac and pam dosing in general industrial and domestic wastewater treatment
2017-12-07 13:36:33
If the treatment process for the post-chemical and physical, the dosage PAC about 0.1% (GB, 10% effective content), PAM about 1-3ppm, that is, for each 10,000 tons of water were added about 10 tons of PAC, PAM10-30kg. If the process for the first biochemical, then the above dosing doubled. The actual dosage according to the water quality is different, need to be fine-tuning according to the site. PAC is polyaluminum chloride, PAM is polyacrylamide. The former is flocculant, the latter is coagulant. Usually used in combination, in general, add PAC, plus PAM, and sometimes may need to add acid or alkali to adjust PH. Both are mainly used for coagulation sedimentation tank, that is materialized processing section, industrial wastewater treatment commonly used.
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