Abstract
This study use purely bacteria on suitable condition, eliminate other bacteria come in life-form bacteria. Through the orthogonal experiment obtains the optimum condition of sodium alginate fossilization bacillus subtilus pellet to chrome adsorption, and discusses the influence of single factor to the sodium alginate fossilization bacillus subtilus pellet to chrome adsorption, including the time, the temperature,pH, the initial adsorbent density, the speed of the shaker, the absorbent which the different periods of growth bacterium does, coexistent ion, desorption. From the research, we know the maximum adsorption rate to chrome is about 80%. Dynamics research indicated that in the several methods of the Sphingomonas-paucimobilis of chrome , the methods of embedded micro-organisms embodies much advantages ,as operating easily, effecting clearly, less pollution, costing low, etc.
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