γ-Al_2O_3加氢处理催化剂性能的影响.pdf

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1、石油学报(石油加工)2016年2月ACTAPETROLEISINICA(PETR0LEUMPR0CESSINGSECT10N)第32卷第1期文章编号：1001—8719(2016)01—0056—08硼对NiMo／y—AI2O3加氢处理催化剂性能的影响陈子莲，王继锋，杨占林，唐兆吉，姜虹(1．中国石化抚顺石油化工研究院辽宁抚顺113001；2．辽宁石油化工大学化学化工与环境学部，辽宁抚顺113001)摘要：以不同硼质量分数改性Al0。为载体，采用等体积浸渍法制备了NiMo加氢处理催化剂。通过BET、TPD、XPS和HRTEM等

2、技术对催化剂进行表征，以常三线柴油为原料油，考察催化剂的加氢脱氮和加氢脱硫活性。结果表明，随着硼质量分数的增加，载体的比表面积和孔体积逐渐减小，催化剂表面的中强酸量增加；提高了活性金属组分的硫化度以及催化剂表面活性组分原子浓度。硫化催化剂的MoSz颗粒的堆积层数和片层长度也随着硼质量分数的增加而增加。硼的引入提高了催化剂的HDN活性，当硼质量分数为1．5时，催化所得加氢脱氮率最高。硼的添加没有改善催化剂的HDS活性。关键词：硼；加氢处理催化剂；加氢脱氮；加氢脱硫；活性；中图分类号：TQ426．6文献标识码：Adoi：10．39

3、69／j．issn．1001-8719．2016．01．009EffectofBoronPromoteronthePerformanceofNiMo／7-A12O3HydrotreatingCatalystCHENZilian，WANGJifeng，YANGZhanlin，TANGZhaoji，JIANGHong(1．FushunResearchInstituteofPetroleumandPetrochemicals，SINOPEC，Fushun113001，China；2．DepartmentofChemicalEngin

4、eeringandEnvironment，LiaoningShihuaUniversity，Fushun113001，China)Abstract：WithBoronmodifiedAl203ascarrier，aseriesofNiMohydrotreatingcatalystswithdifferentboronmassfractionswerepreparedbyincipient～wetnessimpregnationmethod，andwerecharacterizedbyBET，TPD，XPSandHRTEMtec

5、hniques．Thehydrodenitrogenationandhydrodesu1furizationactivitiesofthesecatalystsweretestedwithstraightrungasoi1(SRGO)dieseloilasrawmateria1．Theresultsshowedthatwiththeincreaseoftheboronmassfraction，thespecificsurfaceareaandtheporevolumeoftheA12O3carriergraduallydecr

6、eased，andtheamountofintermediatestrengthacidsonthecatalystsurfaceincreased．Thesulfidityoftheactivemetalcomponentandtheatomicconcentrationoftheactivecomponentonthecatalystsurfaceincreasedwiththeincreaseoftheboronmassfraction．StackedlayersandslicelengthofMoS2particles

7、ofthesulfidecatalystalsoincreasedwiththeboronmassfractionincreasing．TheintroductionofboronimprovedtheHDNactivityofthecatalyst．ThehydrodenitrogenationrateofSRGOwasthehighestovertheNiMocatalystwiththeboronmassfractionof1．5，comparedwiththatofthesetestedNiMocatalysts．Wh

8、ile，theincreaseoftheboronmassfractionintheNiMocatalystdidnotimproveitsHDSactivity．Keywords：boron；hydrotreatingcatalysts；hydrodenitrogenati