You can adjust the PH to try it. There is the effect of the laboratory, after all, some discrepancies with the actual, it is best to try on-site operation. Or a
That is because of the use of poor quality polyaluminum chloride, that things are not good itself is yellow
Can be processed, coupled with biochemical treatment will be better, the amount and the concentration of your wastewater, the effect should be possible.
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