7KRAUTER P,MARTINELLI R,WILLIANMS K,et al.Removal of Cr(VI) from ground water by Saccharomyces cerevisiae[J].Biodegradation,1996,7(4):277-286
8SHAKOORI A R,MAKHDOOM M,HAQ R U.Hexavalent chromium reduction by a dichromate-resistant gram-positive bacterium isolated from effluents of tanneries [J].Appl Microbiol Biotechnol,2000,53(3):348-351
9OZDEMIR G,OZTURK T,CEYHAN N,et al.Heavy metal biosorption by biomass of Ochrobactrum anthropi producingexopolysaccharide in activated sludge[J].Bioresource Technology,2003,90(1):71-74