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相转移催化剂/过氧化氢催化氧化降低流化催化裂化汽油烯烃的性能研究
PERFORMANCE OF REDUCING OLEFIN OF FCC GASOLINE BY CATALYTIC OXIDATION IN PHASE-TRANSFER CATALYST/H2O2 SYSTEMS
【摘要】 在流化催化裂化(FCC)汽油中加入磷钨杂多酸季铵盐Q3[PO4(WO3)4](Q=[C16H33NMe3]++[C18H37NMe3]+)/H2O2实现了液—液高效催化氧化降烯烃。研究结果表明:在H2O2用量2.5mL、反应时间1h、反应温度60℃、m(汽油):m(催化剂)=40:1、pH值3.3的条件下,FCC汽油中烯烃体积分数降到了23.56%,而汽油辛烷值基本保持不变。
【Abstract】 The olefin content of FCC(fluid catalytic cracking) gasoline was reduced by a liquid-liquid phase and high efficiency catalytic oxidation system containing heteropolyphosphatotungstate Q3[PO4 (WO3)4](Q=[C16H33NMe3]++[C18H37NMe3]+) and hydrogen peroxide.It was shown that the catalytic system made the olefin content of FCC gasoline decrease by 23.58%under the optimal reaction conditions,i.e.,the amount of H2O2 2.5 mL,reaction time 1 h,reaction temperature 60℃,the ratio of FCC gasoline and catalyst 40:1 and pH 3.3.The olefin content of FCC gasoline dealt with this system was less than 35%,while the octane number of gasoline did not decrease,which has reached the national standard of clean FCC gasoline.
【Key words】 heteropolyphosphatotungstate; fluid catalytic cracking gasoline; olefin;
- 【文献出处】 精细石油化工 ,Speciality Petrochemicals , 编辑部邮箱 ,2011年03期
- 【分类号】TE621
- 【被引频次】1
- 【下载频次】97