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  

Industrial test of C2 front-end hydrogenation catalyst PEC-21 for front-end depropanization process in Petrochina Daqing Petrochemical Company

作　　者：张建华 Zhang Jiahua(Chemical Plant 1 of Daqing Petrochemical Company,Petrochina,Daqing 163714,Helongjiang,China)

机构地区：[1]中国石油大庆石化公司化工一厂

出　　处：《工业催化》2019年第10期73-77,共5页Industrial Catalysis

摘　　要：由中国石油石油化工研究院自主开发的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270 kt·a-1装置上首次工业试验,工业试验期间催化剂表现出开工时间短和开工稳定性好的特点;1 600 h长周期运行期间,在一段反应器反应压力3.5 MPa和入口温度64.5℃工艺条件下,平均乙炔转化率55.7%,乙烯选择性94.8%,丙烯选择性97.8%,表明PEC-21催化剂具有优异的活性、选择性及稳定性,整体运行性能达到国际先进水平。The C2 front-end hydrogenation catalyst PEC-21 for front-end depropanization process which independently developed by Petrochina Petrochemical Research Institute had its first industrial test in DaQing Petrochemical Company's 270 kt·a-1 plant.During the industrial test,the PEC-21 catalyst showed short start-up time and good start stability.During the 1 600 h long cycle operation time,the average acetylene conversion was 55.7%,the selectivity of ethylene was 94.8%and the selectivity of propylene was 97.8%over PEC-21 catalyst under reaction pressure of 3.5MPa and inlet temperature of 64.5℃in first-stage reactor.The PEC-21 catalyst has excellent activity,selectivity and stability,and its overall operating performance has reached the international advanced level.

关 键 词：石油化学工程 碳二 前加氢催化剂PEC-21 工业试验 

分 类 号：TE624.43[石油与天然气工程—油气加工工程] TQ426.95[化学工程]