过氧磷钨酸催化氧化柴油深度脱硫实验研究  

Study on removal of sulfur compounds from diesel oil with catalytic oxidation by peroxy phosphotungstic acid

作　　者：田雪[1] 刘淑芝[1] 刘英楠[1] 刘长鸿[1] 

机构地区：[1]东北石油大学化学化工学院石油与天然气化工省重点实验室,黑龙江大庆163318

出　　处：《化工科技》2012年第2期17-20,共4页Science & Technology in Chemical Industry

基　　金：国家大学生创新性实验计划项目(101022012);黑龙江省杰出青年基金项目(B2004-01)

摘　　要：采用十六烷基三甲基溴化铵和磷钨酸反应制得过氧磷钨酸Q3+{PO4[W(O)O4]3[W(O)O4]}3-(Q3+为RH4+),以其为催化剂,H2O2为氧化剂,考察了该体系对柴油中含硫化合物的氧化脱除效果。结果表明,过氧磷钨酸具有较高的催化活性,在反应时间为60min,反应温度为60℃,V(H2O)∶V(柴油)=0.2,w(催化剂)=1.16%的条件下,柴油可脱硫率可达92.23%,动力学研究结果表明,催化氧化反应为表观一级反应。Peroxy phosphotungstic acid Q3^＋{PO4[W（O）O4]3[W（O）O4]}3^-（Q^＋Z3 is NH4^＋） was prepared by reaction of hexadecyltrimethylammonium bromide with phosphoutungstic acid.Oxidative desulfurization of diesel was investigated using the peroxy phosphotungstic acid as catalyst and H2O2 as oxidizing agent.The results showed that peroxy phosphotungstic acid exhibits high catalytic activity.The desulfurization rate of diesel oil can reached 92.23% under the conditions of reaction temperature of 60 ℃,reaction time of 60 min,oxidant/oil ratio of 1∶5 and catalyst amount of 1.16%.The kinetics results showed that catalytic oxidation of diesel is an apparent first-order reaction.

关 键 词：柴油 催化氧化 脱硫 过氧磷钨酸 

分 类 号：TQ426.94[化学工程] TE626.24[石油与天然气工程—油气加工工程]