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A novel bioflocculant-producing bacterial strain B-28 was screened from contaminative soils by gas oil wastewater. The optimum carbon sources, nitrogen sources, metal ions and initial pH were glucose, yeast extract, 2 ml 0.1% FeCl3 and 6-8, respectively. And at the optimal couture conditions, flocculating activity reached its maximum flocculating activity of 97.2% at 72 h. This indicated that the...
In this study, according to the specific characteristics of acrylonitrile wastewater, Effective Microorganisms (EM) was used as Contact oxidation strain. The optimum conditions of EM bacteria domestication and contact oxidation treatment, such as pH, concentration and temperature, was confirmed. In addition, the results of aerobic treatment of wastewater suggested that COD effluent reduced to below...
Membrane-making wastewater contains DMF, with high COD, toxicity and non-biodegradability. In this work, aerobic Fe-C micro-electrolysis and three-dimensional electrodes technology were applied for the pretreatment aiming to improve the biodegradability of the wastewater. It was found that the optional pretreatment conditions were pH 3 for Fe-C micro-electrolysis and pH 5 for the three-dimensional...
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