简介:Anovelporousbinderwasobtainedfromacid-treatedkaolin.Thisnewbinderpossessedabundantmeso/macropores,goodhydrothermalstabilityandheavymetalresistance.Thepreparedcatalystusingnewbinderfeaturedlowattritionindexandlargeporevolume.ThecatalystswerecontaminatedwithNi,V,andtestedinafixed-fluidizedbedreactorunit.Incomparisonwiththereferencesample,theoilconversionachievedbytheabove-mentionedcatalystincreasedby3.50percentagepoints,andheavyoilyielddecreasedby2.86percentagepoints,whilethetotalliquidyieldandlightoilyieldincreasedby2.82percentagepointsand0.79percentagepoints,respectively.Theperfectporestructure,goodhydrothermalstabilityandheavymetalresistantperformanceofnewbinderwerethepossiblecausesleadingtoitsoutstandingperformance.
简介:BMIL-53(Fe)/MWCNTshybridmaterialwaspreparedviathesolvethermalsynthesismethod.TheresultingsampleswerecharacterizedbyX-raydiffraction,FT-IRspectroscopy,scanningelectronmicroscopy,UV-Visabsorptionspectroscopy,theBrunauer-Emmet-Tellermethod,andphotoluminescencespectroscopy.TheresultshowedthattheintroductionofmultiwalledcarbonnanotubestotheMIL-53(Fe)canincreasethesurfaceareaofthecomposites,suppresstherecombinationofphotogeneratedelectron-holepairsandpromotetheelectrontransferprocess.ThehybridmaterialshowedoptimalphotocatalyticperformanceinthedegradationofRhodamineBundertheirradiationofultravioletandnaturallight.