Process of two-stage absorption column to strengthen water scrubbing technology to purify biogas
DING Jian, REN Jiajia, LI Zheng, YANG Zhuhong, LU Xiaohua
CIESC Journal . 2016, (10): 4203 -4210 .  DOI: 10.11949/j.issn.0438-1157.20160608