The changing degrees of the water quality factors followed the order of DIP>DIN>COD>DO>pH and the results verified that the reduction of DO and pH had close relationship with the increase of DIP, DIN and COD.

• 不同水质因子进、出水的变化程度依次是C(DIP)>C(DIN)>C(COD)>C(DO)>pH,C(DO)和pH的降低与C(DIP)、C(DIN)和C(COD)的增高有密切联系。