简介：Therestrictiononsulfurlevelingasolinehasbeenincreasinglytightened.TheU.S.TierⅡregulationrequiresareductionfromaverage340ppmto30ppmfrom2004to2008.Recentlysignificantprogresshasbeenmadeineffectivehighsulfurremoval,suchasposttreatmentofFCCgasolinebyselectivehydrotreating,SZorbsulfurremovaltechnology,OATSprocessetc.ThesulfurcontentofFCCgasolinecanbedeceasedtolessthan10ppm.WithregardtogasolinepoolcompositioninChina,itisveryimportanttolookforeffectivedesulfurizationprocessesthataresimple,straightforward,withlesshydrogenconsumption.Post-treatmentofFCCgasolineisapreferredoption.Fromthepointofviewofcomprehensiveutilization,alkylation,polymerization,isomerisationetc.canbeaddedtodesulfurizationprocesstomeettherequirementofultralowsulfur,premium.

简介：极端马厩的沸石DASY-0.0被热水的方法在商业规模准备。它的结构进一步为在对待的CP被XRF分析并且描绘前后，.Thezeolite取样的毛孔(CP)清洗经由处理被修改，XRD，NMR，红外，BETandDTA.The结果显示出那与由热水的过程的常规极端马厩的沸石DASY-0.0prepared比较，修改CP的沸石SOYO展出了更高的relativecrystallinity，更大的表面区域和毛孔体积，更高热的稳定性和包含的更少非结晶的非框架艾尔。