石油炼制与化工 ›› 2015, Vol. 46 ›› Issue (6): 7-11.

• 加工工艺 • 上一篇    下一篇

工艺条件对催化裂解轻汽油裂化制低碳烯烃反应的研究

朱根权   

  1. 中国石化石油化工科学研究院
  • 收稿日期:2014-09-23 修回日期:2015-02-09 出版日期:2015-06-12 发布日期:2015-05-26
  • 通讯作者: 朱根权 E-mail:zhugq.ripp@sinopec.com
  • 基金资助:

    中国石油化工股份有限公司合同项目

EFFECTS OF OPERATING CONDITIONS ON CRAKING REACTION OF DCC LIGHT NAPHTHA FOR PRODUCING LIGHT OLEFINS

  • Received:2014-09-23 Revised:2015-02-09 Online:2015-06-12 Published:2015-05-26

摘要: 在小型固定流化床反应器中考察了催化裂解轻汽油的反应性能。通过改变反应温度、空速、注水量以及剂油质量比,探索催化裂解轻汽油高选择性生成低碳烯烃,同时抑制甲烷生成的适宜操作条件。结果表明,在反应温度650℃、空速在6h-1、注水量为30%、剂油质量比为10的优化条件下,对于烯烃质量分数为69.02%的催化裂解轻汽油,乙烯单程产率可达到10.92%,丙烯单程产率可达到27.74%,丁烯单程产率可达到12.97%,(乙烯+丙烯+丁烯)产率可达到51.63%。

Abstract: The reaction performance of DCC light naphtha was investigated in a fixed fluidized bed reactor. The operating conditions including reaction temperature, WHSV, water/oil and catalyst/oil ratio, were investigated to selectively obtain light olefin from DCC light naphtha and meanwhile control the formation of methane. The results show that the suitable operating conditions for DCC light naphtha catalytic cracking are 650 ℃, 6 h-1, water/oil of 0.3 and catalyst/oil of 10. The ethylene yield is10.92%, the propylene yield is 27.74%, the butylene yield is 12.97% and total light olefin yield (ethylene + propylene + butylenes) is 51.63% for the DCC light naphtha containing 69.02% olefin under the optimized conditions.