碳二前脱丙烷前加氢催化剂PEC-21在中国石油大庆石化公司的工业试验
张建华
Industrial test of C2 front-end hydrogenation catalyst PEC-21 for front-end depropanization process in Petrochina Daqing Petrochemical Company
Zhang Jiahua
工业催化 . 2019, (10): 73 -77 .  DOI: 10.3969/j.issn.1008-1143.2019.10.013