Study on Desulfurization of Gasoline by Electrochemical Oxidation and Extraction-中国期刊网

摘要 Inordertofurtherreducethesulfurcontentingasoline,anewdesulfurizationprocesswasproposedbyusingcatalyticoxidationandextractionrealizedinanelectrochemicalfluidizedreactor.Thefluidizedlayerofloadedcatalystparticlesconsistedofleaddioxide(PbO2)supportedonactivatedcarbonparticles(PbO2/C)andtheelectrolytewasaqueousNaOHsolution.ThePbO2/Cparticleanodescouldremarkablyacceleratetheelectrochemicalreactionrateandpromotetheelectrochemicalcatalysisofsulfurcompounds.Thesulfurcompoundswereatfirstoxidizedtosulfonesorsulfoxides,whichwerethenremovedafterextraction.Theexperimentalresultsindicatedthattheoptimaldesulfurizationconditionswereasfollows:Thecellvoltagewas3.2V,theconcentrationofhydroxylionsinelectrolytewas0.12mol/L,andthefeedratewas300mL/min.Undertheseconditionstheconcentrationofsulfuringasolinewasreducedfrom310ppmto70ppm.Basedontheseexperimentalresults,amechanismofindirectelectrochemicallycatalyticoxidationwasproposed.

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Study on Desulfurization of Gasoline by Electrochemical Oxidation and Extraction

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Study on Desulfurization of Gasoline by Electrochemical Oxidation and Extraction

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