欢迎来到天天文库
浏览记录
ID:52355075
大小:1.50 MB
页数:7页
时间:2020-03-26
《大孔Mo.NiAI2O3催化剂的催化裂化柴油加氢性能研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第30卷第6期无机化学学报V0lJ30No.62014年6月CHINESEJ0URNALOFIN0RGANICCHEMISTRY1345.1351大孔Mo.Ni/AI2O3催化剂的催化裂化柴油加氢性能研究丁巍t,s王鼎聪2赵德智3柯明,1(中国石油大学(北京)重质油国家重点实验室,北京102249)(2中国石化抚顺石油化工研究院,抚顺113001)(辽宁石油化工大学化学化工与环境学部,抚顺113001)摘要:采用三次纳米自组装合成法,制备了一种以二次纳米自组装A120,为主体的大孔主客体催化剂FA.40,具有0.78am3~g一的孔容、114m·g一。的比表面积、27nm的平均孔
2、径、6.0nm和40nm的双峰孔结构、孔分布在10~100nm高度集中、低堆积密度为0.56g·cm-3活性金属含量高达35.70%。XRD和TEM分析结果显示,活性金属以直径小于2nm的微晶态纳米粒子形式均匀分散于主体表面。采用劣质催化裂化柴油进行20h加氢实验评价,反应趋于稳定时,FA一40的脱硫、脱氮及芳烃饱和率分别达到94.4%、95.5%和67.9%,与F.5相比分别提高了20%、80%和140%。300h的长周期加氢实验表明,FA.40具有良好的加氢性能。关键词:纳米自组装;大孔;活性金属;主客体催化剂中图分类号:0643文献标识码:A文章编号:1001—4861(2
3、014)06.1345—07DoI:10.11862/CJIC.2014.206StudyontheHydrogenationPerformanceofMacroporeno-Ni/AI203CatalystforFCCDieselDINGWeiWANGDing—Cong2ZHAODe—Zhi。KEMing,(StateKeyLaboratoryofHeavyOilProcessing,ChinaUniversityofPetroleum,Being102249,China)(2hunResearchInstituteofPetroleumandPetrochemicals,Fu
4、shun,Liaoning113001,China)(3CollegeofChemicalEngineeringandEnvironmentalEngineering,LiaoningShihuaUniversity,Fushun,Liaoning113001,China)Abstract:Thebigporehost--guestcatalysismaterialFA-40waspreparedwiththesecondarynano--assemblyAl203suppo~bythirdnano—assemblytechniquewhichhasaporevolumeofO.
5、78cm3~g~,aspecificsurfaceareaof114m·g~,averageporediameterof27nm,astructureofdoublepeakporeof6.0nmand40nm,highconcentrationporesizedistributionof10~100nm.alowstackingdensityof0.56g。emandaconcentrationofmetalashighas35.70%.TheresultsoftheXRDandTEMshowedthattheactivemetaluni~rmlydispersedandexi
6、stedinformofthemicrocrystalnanobulkphasewhichhas<2nmdiameterontheguestsurface.UsingthepoorqualityFCCdieselasstockfeed,Hydrogenationperformanceofthedifferentcatalystshasbeenevaluatedafter20hthehydrogenationtreating.Theresultsshowedthattheconversionindesulfurization,denitrificationandaromaticss
7、aturationforFA一40were94.4%,95.5%,67.9%and77.6%,52.3%,28.7%.ComparedwithF一5,increasedbyabout20%,80%and140%,respectively.Stabilityexperimentsforalongperiodof300hhavebeenshownthatFA一40wasbettercatalystforhydrogenationperformance.Keywords:nano·-a
此文档下载收益归作者所有