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The response surface methodology (RSM) was employed to study the treatment of kaolin suspension by the composite flocculant of MBFGA1 and PAC. And the two quadratic models of the five factors were established with the flocculating rate and floc size as the target responses. The optimal flocculating conditions are MBFGA1 99.75mg/L, PAC 121mg/L, pH 7.3, CaCl 2 27mg/L and the top speed of stir...
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