Gorges;
Reservoir;
Area's;
Ecology;
and;
Environment;
Key;
Laboratory;
of;
Ministry;
of;
Education,;
Chongqing;
University,;
Chongqing;
400045,;
China;
of;
Environmental;
Engineering,;
Chongqing;
University,;
Chongqing;
400045,;
China;
of;
Water;
Science;
and;
Engineering,;
Chongqing;
University,;
Chongqing;
400045,;
China;
Cr(VI); 富磷污泥; 吸附实验; 生物炭; 磷浓度; Freundlich模型; 傅里叶变换红外光谱; Langmuir;