简介：<正>Anadvancedsilica-dominatedmatrixtechnologyplatformanditsapplicationwereintroducedinthispaper.Throughnovelproprietaryprocessing,theadvancedsilica-dominatedmatrixwaspreparedfromtheuniquesilicasolandpseudo-boehmite.Thematrixporesizedistributionandaciditycanbetailoredtoprovideoptimalcoke-selectivityandbottoms-crackingabilitymatchedtofeedstockcharacteristics.AnovelFCCcatalyst(RSC-2006)forreducingcokeandslurryyieldswasdevelopedbasedonthesilica-dominatedmatrixtechnologyplatform.TheresultsofcommercialapplicationofthesaidtechnologyindicatedthattheRSC-2006catalystexhibitedexcellentperformanceonbottomscracking,cokeselectivityandhighvalueproductsyields.

简介：Anewsilicasolbinderwasobtainedbymixingtheacid-modifiedaluminiumsulfateandwaterglass.TheeffectofSiO2concentrationinsodiumsilicate,pHvalueandpolymerizationwasinvestigated.Thenewsilicasolbinder,whichpossessedabundantporevolumeandsuitableacidamount,wasanidealcomponentforpreparingcrackingcatalyst.Asaresult,thecorrespondingcatalystcomprisingthenewbindershowedexcellentperformance.Comparedwiththereferencesample,theliquefiedpetroleumgas(LPG)andpropyleneyieldobtainedoverthiscatalystincreasedby3.49and1.20percentagepoints,respectively.TheperfectporestructureandsuitableLewisacidamountofnewsilicasolwerethepossiblereasonleadingtoitsoutstandingperformance.