5Jang J H, Ike M, Kim S M et al. , Production of a Novel Bioflocculant by Fed-Batch Culture of Citrobacter sp.. Biotechnology Letters,2001, 23:593-597.
6Kurane R, Hatamochi K, Kakumo T et al. , Production of a Bioflocculant by Rhodococcus Erythropolis S-I Grown on Alcohols. Biosci.Biotech. Biochem., 1994, 58 (2) : 428-429.
7Tezuka Y, Cation-Dependent Flocculation in a Flavobacterium Species Predominant in Activated Sludge. Applied Microbiology, 1969,17 (2) : 222-226.
8Sousa M J , Teixeira J A , Mota M, Difference in the Flocculation Mechanism of Kluyveromyces marxianus and Saccharomyces cerevisiae.Biotechnology Letters, 1992, 14 (3) : 213-218.
9Attia Y A, Flocculation in Biotechnology and Separation Systems, in the Netherlands. Amesterdam: Elsevier Science Publishers B V,1987.
10Haruhiko Yokoi, Tomomi Arima, Jun Hirose et al. , Flocculation Properties of Poly (T-glutamic Acid) Produced by Bacillus subtilis.Journal of Fermentation and Bioengineering, 1996, 82 (1) : 84-87.
