Experimental study for preparing biochar by pyrolysis of municipal sludge
YUAN Haoran, LU Tao, HUANG Hongyu, WANG Yazhuo, XING Shiyou, XIONG Zuhong, CHEN Yong
CIESC Journal . 2012, (10): 3310 -3315 .  DOI: 10.3969/j.issn.0438-1157.2012.10.043