简介:<正>NaYzeolitewasmodifiedthroughdealuminationwithoxalicacid,andtheHYzeolitewasobtainedbycalcinationofthemodifiedNaYzeolite.Thezeolitemoldingprocesswascarriedoutatambienttemperature(25℃),andtheinfluenceofsolid/fuelmassratioandadsorptivedesulfurizationtimeontheHYzeolitewereinvestigatedthroughtestsonstaticselectiveadsorptivedesulfurizationofFCCgasolinecontainingorganicsulfurcompounds(withaScontent=135ppm).ThesulfurcontentandsulphidetypesintheFCCgasolinewereanalyzedbyaGC2010sulfuranalyzerandaGC-SCDchromatograph.ThetestresultsshowedthatthemoldedHYzeolitewasbetterthantheunmoldedHYzeolite.AtastaticadsorptivedesulfurizationtimeonthemoldedHYzeoliteequatingto6hours,asolid/fuelmassratioof1:3,thesulfurcontentofFCCgasolinewasdecreasedto30ppm,andthedesulfurizationratewasequalto78%.WhenthebreakthroughpointofthemoldedHYwasequalto50ppm,themoldedHYzeolitewascapableofadsorbing4.86mgofsulfurpergramofadsorbent.AndtheregenerationrateofmoldedHYzeolitewasequalto98%.