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The colloidal properties of biogenic elemental sulfur (S0) cause solid–liquid separation problems, such as poor settling and membrane fouling. In this study, the separation of S0 from bulk liquids was performed using flocculation. Polyaluminum chloride (PAC), polyacrylamide (PAM) and microbial flocculant (MBF) were compared to investigate their abilities to flocculate S0 produced during the treatment...
In this study, compound bioflocculant-producing bacteria, named F2-F6, were adopted as bioflocculant (BF) producer. In order to domesticate the strains of F2-F6 to utilize the effluent from a hydrogen-producing bioreactor as the only carbon resource, a method of poor-rich alternative nutrition was developed. After acclimation, the optimum fermentation conditions were investigated using only the effluent...
Two strains (designated F2, F6) which produce excellent flocculating substance were isolated from soil samples and identified as Rhizobium radiobacter and Bacillus sphaeicus. The compound bioflocculant (CBF) with higher flocculating activity was obtained by coculturing F2 and F6. The isolates F2 and F6 produced the flocculating substance during the late logarithmic growth phase and the early stationary...
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