8Her J J, Huang J S. Influences of carbon source and ratio on nitrate/nitrate denitrification and carbon breakthrough[J]. Bioresource Technology, 1995,54 ( 1 ) : 45-51.
9Gomez M A,Gonzalez-Lopez J,Hontoria-Garc E. Influence of carbon source on nitrate removal of contaminated groundwater in a denitrifying submerged fiher[J]. Journal of Hazardous Materials, 2000,80(1/2/3) :69-80.
10Wachtmeister A, Kuba T, Van Loosdrecht M C M, et al. A sludge characterization for aerobic and denitrifying phosphorus removing sludge[J]. Water Research., 1997,31 (3) : 471-478.