TY - Front. Environ. Sci. Eng. A1 - LIU Hanchao,FENG Suping,ZHANG Nannan,DU Xiaolin,LIU Yongli T1 - Removal of Cu(II) ions from aqueous solution by activated carbon impregnated with humic acid Y1 - 2014-05-22 JF - Frontiers of Environmental Science & Engineering JO - Front. Environ. Sci. Eng. SP - 329 EP - 336 VL - 8 IS - 3 UR - https://journal.hep.com.cn/fese N1 - 10.1007/s11783-013-0553-9 ER -