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Suspensions of yeasts which are negatively charged have been flocculated using a cationic polyelectrolyte. The initial rate of flocculation and growth of the floc particles were dependent on the flocculant dosage and flocculation time. During flocculation, the cationic polyelectrolyte chains can adsorb via electrostatic interactions onto the yeast particle surface. The flocculant can also form bridges...
Flocculation behavior of two clay rock samples with different dolomite and clay mineral (smectite) contents was examined using a non-conventional, medium-anionic polyacrylamide-based flocculant in borax solutions. The samples were representative of two major types of gangue material discarded from the borax processing plant at Kirka/Turkey as borax-saturated tailings stream which present serious disposal...
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