稠环芳烃
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2023年3月17日发(作者：少先队员入队仪式)化工进展
CHEMICALINDUSTRYANDENGINEERINGPROGRESS2021年第40卷第2期
稠环芳烃加氢饱和催化剂研究进展
刘道诚，王九占，荆洁颖，杨志奋，冯杰，李文英
（太原理工大学煤科学与技术省部共建国家重点实验室培育基地，山西太原030024）
摘要：受共振能、空间位阻和竞争吸附等方面的影响，稠环芳烃末环的吸附活化是其加氢饱和反应的重点和难点
之一。本文系统综述了稠环芳烃加氢饱和反应特点及各类稠环芳烃加氢饱和催化剂。分析表明，稠环芳烃吸附活
化与其分子自身的属性和催化剂的性质密切相关，调控催化剂中活性金属的电子状态可有效促进稠环芳烃分子的
吸附活化。针对常见稠环芳烃加氢饱和催化剂，本文分类阐述了各类稠环芳烃加氢饱和催化剂的活性相结构、活
性位点数量和活性金属电子密度的调控方法。分析指出，提高活性组分的分散度和形成活性金属的缺电子状态能
够提升催化剂的加氢活性，可通过调节载体的酸性和添加助剂等方法实现。
关键词：稠环芳烃；加氢；吸附活化；催化剂；分散度；电子状态；载体酸性
中图分类号：TQ536文献标志码：A文章编号：1000-6613（2021）02-0835-10
Researchprogressonthecatalystsforsaturatedhydrogenationof
polycyclicaromatichydrocarbons
LIUDaocheng，WANGJiuzhan，JINGJieying，YANGZhifen，FENGJie，LIWenying
(TrainingBaseofStateKeyLaboratoryofCoalScienceandTechnology,TaiyuanUniversityofTechnology,Taiyuan030024,
Shanxi,China)
Abstract:Thehydrogenationofpolycyclicaromatichydrocarbonscanbeinhibitedbytheadsorptionand
activationoftheirfinalaromaticring,whichisattributedtotheincreasedresonanceenergy,steric
work,thecharacteristicsof
lysisindicatedthatthe
adsorptionandactivationprocesswascloselyrelatedtothepropertiesofthemoleculesandthecatalysts.
Moreover,tuningtheelectronicstateoftheactivemetalcouldpromotetheadsorptionandactivationof
ile,themethodsofadjustingactivephasestructure,
increasingthenumberofactivesitesandmodifyingtheactivemetalelectrondensityofseveral
oncludedthatimprovingthe
dispersionofactivecomponentandformingtheelectron-deficientstateofactivemetalswerebeneficialto
thefurtherimprovementofthehydrogenationactivityofthecatalysts,whichcouldbeeffectivelyrealized
byadjustingthesupport'sacidityandintroducingadditives.
Keywords:polycyclicaromatichydrocarbons;hydrogenation;adsorptionandactivation;catalyst;
dispersion;electronicstate;supportacidity