Ⅱ型催化裂解制取异丁烯和异戊烯的研究及其工业应用  

RESEARCH AND DEVELOPMENT OF DEEP CATALYTIC CRACKING (TYPE Ⅱ) FOR ISOBUTYLENE AND ISOAMYLENE PRODUCTION

作　　者：谢朝钢[1] 施文元[1] 蒋福康[1] 李再婷[1] 范雨润[1] 唐清林[1] 李荣楣 

机构地区：[1]石油化工科学研究院,济南炼油厂,中国石化北京设计院

出　　处：《石油炼制与化工》1995年第5期1-6,共6页Petroleum Processing and Petrochemicals

摘　　要：通过对异丁烯和异成烯生成机理的研究，开发出大量生产异丁烯和异成烯，同时还有较高收率的丙烯和高辛烷值汽油的Ⅱ型催化裂解技术，并在济南炼油厂１５万ｔ／ａ催化裂解装置上进行了首次工业试验。工业试验结果表明，以临商蜡油掺脱沥青油为原料，在最大异构烯烃兼顾汽油操作模式下，可以得到１２．５２ｗ％的丙烯、４．５７ｗ％的异丁烯、５．７８ｗ％的异戊烯和４０．９８ｗ％的汽油；在最大异构烯烃兼顾丙烯操作模式下，可以得到１４．４３ｗ％的丙烯、４．７５ｗ％的异丁烯、５．９３ｗ％的异戊烯和３８．４５ｗ％的汽油。Ⅱ型催化裂解汽油的辛烷值高、安定性好。Ⅱ型催化裂解技术发展一条既生产异构烯烃又生产高辛烷值汽油的新途径。Based on the studies of reaction mechanism of the formation of isobutylene andisoamylene from heavy hydrocarbons, Deep Catalytic Cracking Type Ⅱ (DCC-Ⅱ) technology for maximumisobutylene and isoamylene production was developed and commercially applied in Jinan Refinery. Two operation modes were used in the 150 kt/yr DCC unit, maximum isoolefins with naphtha and maximumisoolefins with propylene;the commercial results showed that 12.52 wt% of propylene, 4. 57 wt% ofisobutylene, 5. 78 wt% of isoamylene and 40. 98 wt% of naphtha were obtained from the former, and theyield of propylene, isobutylene, isoamylene and naphtha was 14.43 wt%, 4.75 wt%, 5.93 wt% and38. 45 wt% respectively from the latter. DCC (Ⅱ) naphtha that produced from both operation modes exhibited high octane number and excellent stability. DCC (Ⅱ) technology develops a new route for producing isoolefins as well as high octane naphtha.

关 键 词：异丁烯 异戊烯 催化裂化 

分 类 号：TQ221.21[化学工程—有机化工]