SZ36-1減三線潤滑油餾分加氫脫酸研究.pdf

1、天津大學碩士學位論文SZ361減三線潤滑油餾分加氫脫酸研究姓名：孫凱申請學位級別：碩士專業(yè)：化學工程指導教師：孟明；于海斌201112ABSTRACTSZ36—1crudeoilisscareheavycrudeoilwithlowfreezingpointinourcountrythedistillationproductsofthisoilunderatmosphericorlowpressurecanbeusedasgoodraw

2、materialsforcycloalkyllubricantAtpresenLtheCNOOCAsphaltumLimitedStockCompanyhassuccessfullyusedthecycloalkyldistillatestoproduceenvironmentfriendlyoilsfortransformersandrubberbyusingthetechnologyoffurfuralextractionSZ361

3、crudeoilcontainshighcontentsofcarboxylicacids，whichcannotonlyseriouslycorruptthesetups，butalsoincreasetheacidityvalueofproductsTodecreasetheacidityvalueoftheseproducts，deeprefinerymustbeadopted；however，itwillreducetheyie

4、ldofproductsandtheeconomicbenefitInordertofullyutilizethecyclo—alkylcrudeoilresourcesandproducetopgradecyclo。alkylproducts，theCNOOCAsphaltumLimitedStockCompanyhasdevelopedhydrodecarboxylicacidstechniquetoincreasethequali

5、tyofproductsSOastoeliminatetheenvironmentalpollutionThisthesisfocusesonthestudyofhydro—decarboxylicacidsofSZ361lowpressurethreelinedistillatesoflubricantsWeobtainedfollowingresults(1)Selectionofthecatalystsupportusedforh

6、ydro—decarboxylicacidsAseriesofsupportswerepreparedbyusingpseudoboehmiteasrawpowdernitricacidasbondingagent，andsesbaniapowderasextrusionagentTheresultsareasfollows1Thesupporthashighstrength，properporestructureandbigsurfa

7、ceareawhenWenzhoupseudoboehmiteandShandongaluminamixedintheratioof2：1：2Withtheincreaseofcalcinationtemperatureofthesupport，thestrengthandaverageporediameterincreasealittlebutthesurfaceareadecreases；3Theadditionofcitricac

8、idcanincreasetheporevolumeofthesupport；whenthissupportisusedforthecatalyst，theactivityforhydrodecarboxylicacidsisenhanced(2)Ni—Moisusedasthemainactivecomponents，andPisusedaspromoterTheactivityevaluationresultsshowthatthe

9、additionofpromoterPobviouslyincreasesthetheactivityforhydrodecarboxylicacidsofthecatalysts(3)TheimpregnationorderfordifferentactivecomponentscanremarkablyinfluencethecatalyticactivityofthecatalystsForthecatalystscontaini

10、ngNi，MoandP，thereareseveralimpregnationordersuchas(a)PMofirst，thenNi；(b)Nifirst，thenPMo；(C)Ni，Mo，PCO—impregnationAmongthem，theCOimpregnationpossessesverypreparationprocedures，andthecatalystpreparedthismethodshowshigherca