TY - RPRT TI - As(III) and As(V) removal mechanisms by Fe-modified biochar characterized using synchrotron-based X-ray absorption spectroscopy and confocal micro-X-ray fluorescence imaging AU - Xu, Yong AU - Xie, Xianjun AU - Feng, Yu AU - Ashraf, Muhammad Aqeel AU - Liu, YingYing AU - Su, Chunli AU - Qian, Kun AU - Liu, Peng PY - 2020 DO - 10.1016/j.biortech.2020.122978 UR - https://www.osti.gov/biblio/1601885 ID - 1601885 ER -