Enhancing the ability of two kinds of oil-degrading bacteria to treat oily sludge by optimising the growth conditions using a response surface methodology
Abstract:Biosurfactant are Surfactant produced by certain microorganisms. These biosurfactants increase the biodegradability of insoluble pollutants. In this study, the fermentation products of Pseudomonas stutzeri Lh-42(PS) and Rhodococcus sp. PR-1(RD) were studied by Oil spreading method, emulsifying activity and infrared spectrum analysis. It was proved that these fermentation products were biosurfactant. And then the fermentation conditions of PS, RD were optimized by Placket-Burman (PB) design, hill-climbing exper… Show more
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