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1、第38卷第4期燃料化學(xué)學(xué)報(bào)Vo1．38NO．42010年8月JournalofFuelChemistryandTechnologyAug．2010文章編號(hào)：0253—2409(2010)04-0439-06磷鎢酸季銨鹽催化氧化汽油深度脫硫宋華，李國(guó)忠，李正光(1．東北石油大學(xué)化學(xué)化工學(xué)院，黑龍江大慶163318；2．東北石油大學(xué)化學(xué)化工學(xué)院石油與天然氣化工省重點(diǎn)實(shí)驗(yàn)室，黑龍江大慶163318)摘要：以十六烷基三甲基溴化銨和磷鎢酸為原料制備了磷鎢酸季銨鹽催化劑，并對(duì)催化劑進(jìn)行了紅外光譜和SEM表征。研究了磷鎢酸季銨鹽為催化劑，雙氧水為氧化劑，催化氧
2、化法生產(chǎn)低硫汽油技術(shù)?？疾炝溯腿┮约把趸瘲l件和萃取條件對(duì)脫硫效果的影響。結(jié)果表明，在汽油10mL，雙氧水0．01mL，催化劑0．0016g，氧化溫度30℃，氧化時(shí)間60min的條件下，采用復(fù)合溶劑LJ一1進(jìn)行萃取，萃取溫度20℃，靜置時(shí)間15min，劑油比為1時(shí)，直溜汽油中的硫含量由179．3mg／L降至10．8mg／L，脫硫率達(dá)94．O％。氧化萃取時(shí)的脫硫率比未經(jīng)氧化直接萃取時(shí)的脫硫率高45．6％，氧化脫硫效果顯著。關(guān)鍵詞：雙氧水；磷鎢酸十六烷基三甲基銨；氧化脫硫；汽油中圖分類(lèi)號(hào)：TQ028文獻(xiàn)標(biāo)識(shí)碼：ADeepdesulphurizatiO
3、nofgasolinebycatalyticoxidationusingquaternaryammoniumphOsphotungstateascatalystSONGHua，LIGuo—zhong，LIZheng—guang(1．CollegeofChemistry&ChemicalEngineering，NortheastPetroleumUniversity，Daqing163318，China；2．ProvincialKeyLaboratoryofOil&GasChemicalTechnology。CollegeofChemistry&C
4、hemicalEngineering，NortheastPetroleumUniversity，Daqing163318，China)Abstract：Catalyticoxidationisanimportantmeansfordeepdesulfurizationofoilproducts．Inordertomeetmorestringentspecificationsofsulfurcontentsinoilproducts，studiesondesulfurizationmethodswithmoreselectiveandmoreact
5、ivecatalyticoxidationhavebecomeahotsubject．Aquaternaryammoniumph0sph0tungstatewaspreparedbyhexadecyltrimethylammoniumbromideandphosph0tungstate．Thepreparedcatalystwascharacterizedby王一IRandSEM．Themethodofproducinglowsulfurgasolinewasproposedusinghydrogenperoxideasoxidantandthe
6、abovecatalyst．Theeffectsoftheextraetants，oxidationandextractionconditionsondesulphurizati0nwereexamined．Undertheconditionsofgasoline10mL，hydrogenperoxide0．叭mL，catalyst0．0016g，oxidationreactionwasperformedat30℃with60min．UsingthemultiplexsolventLJ一1astheextractantandthesolvent／
7、oilratioof1，thesulfurcontentofgasolineisreducedfrom179．3mg／Lto10．8mg／Lat20oCwith15min．Thedesulphurizati0nratioreachesto94．O％，whichishigherthanthatofgasolineextracteddirectlywithoutoxidationby45．6％．Thecatalystishighselectiveandlowindosage，whichwillbepotentialingasolinedesulphu
8、rizati0n．Theoxidizeddesulphurizati0neffectisremarkable．Keywords：hydr
