Key;
Laboratory;
of;
Pollution;
Control;
and;
Resource;
Reuse,;
Tongji;
University,;
Shanghai;
200092,;
China.;
Laboratory;
of;
Yangtze;
River;
Water;
Environment,;
Ministry;
of;
Education,;
Tongji;
University,;
Shanghai;
200092,;
China;
层状双金属氢氧化物; 吸附性能; 砷酸盐; 砷酸铜; 水溶液; 合成; 介孔; 傅里叶变换红外光谱法;