兰州石化研究院新型多产丙烯催化剂试产成功
来源:华佗小知识
维普资讯 http://www.cqvip.com 34 石油炼制与化工 2006年第37卷 油中大部分的含硫化合物都有较好的脱除效果。 Zhao Dishun,Sun Fengxia,Zhou Erpeng,et a1.A review of 但是,汽油的组分比较复杂,部分含硫化合物难以 desulfurizati0n of light oil based Oil selective oxidation. 脱除,这部分工作正在进一步的研究中。 Chemical Journal on Internet[EB/OL],http://www. chemistrymag.0rg/cji/2oO4/o63O17re.htm 参考文献 刘翠微,张志艳,马四囤等.燃料油氧化脱硫技术进展.河北工 业科技,2005,22(1):44~47 秦如意,张晓静。刘金 龙等.FCC汽油吸附脱硫工艺的研究.石 黎明,马桂芝,陈艳琴等编.相转移催化及其在有机合成中的应 油炼制与化工,2003,34(3){24~28 用.长春:东北师范大学出版社,1987 5—6 STUDY oN THE DESULFURIZATIoN oF FCC NAPHTHA BY SELECTIVE OXIDATIoN METHOD Zhao Dishun,Ma Siguo,Liu Cuiwei (College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology,Shijiazhuang 050018) Abstract A selective oxidation process for desulfurization of cracked naphtha was introduced by using tetrabutyl—ammonium bromide as phase transfer catalyst,hydrogen peroxide as oxidant and acetic anhydride as co—oxidant.The effects of reaction time,reaction temperature and the amount of phase transfer catalyst on the desulfurization results were investigated in the laboratory.The test results showed that at room—temperature under the conditions of a reaction time of 0.5 h,a phase transfer catalyst dosage of 0.02 g,the volume ratios of naphtha to oxidative system and hydrogen peroxide to acetic anhydride were 0.2 and 1,respectively,the desulfurization rate of FCC naphtha was 92.10 with a treated naphtha yield of 90.3 .The sulfur—containing compounds were removed obviously from the results of Gc_FPD analysis. Key Words:catalytic cracking;gasoline stock;desulfurization;phase transfer catalyst 和助剂LCC—A,其中助剂LCC-A在国内多家炼油厂进行 使用,多产丙烯催化剂LCC-1正在大庆炼化进行工业试 验。由于兰化公司建成了世界上单套生产能力最大的 300 kt/a聚丙烯装置,提高了丙烯需求量,要求催化裂化中 兰州石化研究院新型多产丙烯 的丙烯产率达到10.5 以上,而LC@I催化剂的丙烯产率 仅8 ,因此需要开发新型催化剂。该LCC-2催化剂工业 催化剂试产成功 化试生产6天,共生产催化剂近200 t,评价结果为丙烯产 率超过11 ,产品分布理想,汽油辛烷值高,主要技术指标 中国石油兰州石化研究院开发的LCC一2新型多产丙 达到国外同类催化剂水平。 烯催化剂在兰州石化催化剂厂工业化试生产成功。 催化裂化多产丙烯是目前各大炼油厂增加效益的主要 方案。兰州石化研究院已开发出多产丙烯催化剂LCC一1 [中国石化有机原料科技情报中心站供稿]
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