6[1]Wingender J, New T R, Flemming H-C, editors. Microbial Extracellular Plymeric Substances: Characterization, Structure and Function [M]. Berlin: Springer, 1999
7[2]Liao B Q, Allen D G, Droppo I G, et al. Surface properties of sludge and their role in bioflocculation and settleability [J]. Wat. Res., 2001,35(2):339~350
8[3]APHA. Standard Methods for the Examination of Water and Wastewater, 18th ed [S]. American Public Health Association, American Water Works Association, Water Environmental Federation, Washington,1992
9[4]Daniels, L, Hanson, R S, and Philips, J A. Chemical analysis. In: Methods for General and Molecular Bacteriology [M], Gerhardt, P., Murry, R. G. E., Wood, W. A., and Krieg, N. R., American Society for Microbiology, Library of Congress Cataloging-in-Publication Data,1994
10[5]Bo Jin, Wilèn B.M., Paul Lant. A comprehensive insight into floc characteristics and their impact on compressibility and settleability of activated sludge. J. Chem. Eng., 2003, 95:221~234