%0 Journal Article %T Hydrothermal preparation of biochar from spent coffee grounds, and its application for the removal of cadmium from coal tailings leachate %A Campbell %A Q.P. %A Fosso-Kankeu %A E. %A Le Roux %A M. %A Moyakhe %A D. %A Waanders %A F.B. %A Weideman %A R. %J Journal of Power and Energy Engineering 电力与能源 %D 2019 %R 10.17159/2411-9717/449/2019 %K spent coffee grounds %K biochar %K surfactant impregnation %K cadmium %K coal tailings leachate %K adsorption. %U http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2225-62532019000700004&lng=en&nrm=iso&tlng=en