高活性乙苯脱氢催化剂在苯乙烯装置的工业试应用
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摘要
在中国石油抚顺石化公司60 kt/a苯乙烯装置中,以乙苯为原料,使用YFCT-01催化剂替代原有的FSGSYE-01催化剂,采用乙苯负压绝热脱氢工艺生产苯乙烯。结果表明:在工艺流程、乙苯组成和操作条件基本不变的条件下,使用YFCT-01催化剂的反应温度和反应压力均低于FSGSYE-01催化剂;在前者装填量较后者减少12 t的情况下,其乙苯转化率、苯乙烯选择性和收率均略高于后者;当前者试运行1个生产周期后,累计节约成本达到1 010.16万元。
The original FSGSYE-01 catalyst was replaced by YFCT-01 catalyst, and the styrene was produced by the ethylbenzene negative pressure adiabatic dehydrogenation process with ethylbenzene as material, in a 60 kt/a styrene unit of Fushun Petrochemical Company,PetroChina.The results showed that the reaction temperature and reaction pressure of YFCT-01 catalyst were lower than those of FSGSYE-01 catalyst in the almost constant cases of technological process,composition of ethylbenzene and operation conditions.When the loading quantity of the former catalyst was 12 t lower than the latter one, the ethylbenzene conversion rate, styrene selectivity and yield of the former was higher than those of the latter.When the YFCT-01 catalyst had been running for one production cycle, the accumulative cost savings reached $10.101 6 million.
The original FSGSYE-01 catalyst was replaced by YFCT-01 catalyst, and the styrene was produced by the ethylbenzene negative pressure adiabatic dehydrogenation process with ethylbenzene as material, in a 60 kt/a styrene unit of Fushun Petrochemical Company,PetroChina.The results showed that the reaction temperature and reaction pressure of YFCT-01 catalyst were lower than those of FSGSYE-01 catalyst in the almost constant cases of technological process,composition of ethylbenzene and operation conditions.When the loading quantity of the former catalyst was 12 t lower than the latter one, the ethylbenzene conversion rate, styrene selectivity and yield of the former was higher than those of the latter.When the YFCT-01 catalyst had been running for one production cycle, the accumulative cost savings reached $10.101 6 million.
引文
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[3]顾松园,郑久成,缪长喜,等.GS-08 M 乙苯脱氢制苯乙烯催化剂研制与工业应用[J].工业催化,2006,14(9):33-36.
[4]张敏,孙正平,毛连生,等.GS-06 B 乙苯脱氢制苯乙烯催化剂研制与工业应用[J].石化技术与应用,2000,18(2):87-89.
[5]廖仕杰,陈铜,缪长喜,等.乙苯脱氢制苯乙烯工业催化剂的失活原因[J].催化学报,2008,29(2):179-184.
[6]齐航.乙苯脱氢催化剂的开发及应用[J].齐鲁石油化工,1999,27(1):57-60.
[7]廖仕杰,陈铜,缪长喜,等.乙苯脱氢制苯乙烯催化剂失活的研究进展[J].石油化工,2007,36(11):1179-1183.
[8]熊丽萍,李国范,谭忠隽,等.乙苯脱氢制苯乙烯催化剂的研究进展[J].石油化工,2015,44(4):517-522.
[9]邵承栋,沈景余.国内外苯乙烯技术进展[J].石油化工动态,1999,7(6):46-48.
[10]缪长喜.引入ZnO对Fe-K系乙苯脱氢催化剂性能的影响[J].工业催化,2002,10(5):38-41.
[11]Meima G R,Menon P G.Catalyst deactivation phenomena in styrene production[J].Appl Catal,2001,212(1):239-245.
[12]Cavani F,Trifiro F.Ahernative processes for the production of styrene[J].Appl Catal A(General),1995,133(1):219-239.
[13]Muhler M,Wesemann M.The nature of the iron oxide-based catalyst for dehydrogenation of ethylbenzene tostyrene[J].J Catal,1990(126):339-241.