NTU turbidity value 200 in a ratio of 30:70, found that for the first time made the appropriate pH value the pH is equal to 6.5 and to reduce turbidity in 1.87 times. 2 Select the proper pH values equal to 6.5 pH and turbidity reduction. 3 make 1.97 in selecting the appropriate pH pH values equal to 6.5 and can reduce turbidity 2.00.
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