Optimization of Flocculating Conditions of a Microbial Flocculant by Uniform Test
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A microbial flocculant-producing strain was screened from the soil of zuojia nature reserve in jilin province, whose flocculation rate was 52.6%. The flocculating conditions of this microbial flocculant was optimized by uniform test, coagulant aid (1% cacl2) was added in an amount of 5ml/100ml, the amount of flocculant added 3ml/100ml, ph of kaolin suspension was 9.0, the reaction temperature was 20℃. Consequently the flocculation activity was up to 73.58% in the case of the concentration of kaolin suspension was 5g/l.
Microbial Flocculant; Screening; Optimization of Flocculating Conditions; Uniform Test