复合金属氧化物负载纳米金催化剂的制备及其对肉桂醛催化加氢性能的分析

《复合金属氧化物负载纳米金催化剂的制备及其对肉桂醛催化加氢性能的分析》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、北京化工大学硕士学位论文aging．Thenuclearofthesupportismixedwiththereductant，undertheprocessoftheaging，HAuCl4isaddedtothesuspensioncolloid．TheprocessofthereductionforHAuCl4andthec叫stalgrowthproceedsimultaneously，sothenanoparticlesofgoldaredisperseonthesuppoIrtprecurs

2、orunifIonnly．Thecompositemetaloxidesupported-goldcatalystsareobtainedaRercalciningthecatalystprecursor．Westudytheeffectonthecatalyticperf．onnancesofcatalystswiththetimeofreduction，theratiosbetweensucroseandHAuCl4，thecalcinationtemperatureandtheratiosofM∥

3、Alandobtaintheoptimumpreparationconditionsforthecatalysts．2Theeffectonthecatalyticpe而肌ancesofcatalyststhroughadjustingthecompositionofsupportWeadjustthecompositionsofthesupportsthroughaddingironandceriumionstothesupportandprepareaseriesofcatalystS．Thestr

4、uctureandmo印hologyofcatalystsarecharacterizedbyXRD，XPS，BET，TEM，HRTEMandEDSandinVestigatetheef．fectofCeandFeonthecatalyst．Thecatalyticperf．ormancesofcatalystarestudiedbythehydrogenationofcinn锄aldehydeandexplaintherelationshipbetweenstIrlJctureofcatalystan

5、dperformance．3Thea由ustmentforthegoldloadingofthecatalystandtheef．fectonthecatalyticperf．ormancesofcatalystsAseriesofcatalystsaresynthesizedwithadjustingtheloadingofgold，andthestmctureandmorphologyofcatalysthaVebeencharacterizedindetail．IVABSTRACTWealsost

6、udythecatalyticperformanceofthecatalystandfindthatthecatalystwithlowergoldloadingpossessestheexcellentcatalyticperformance，exploringthee￡丘cientut订izationofgold．KEYWoRDS：catalytichydrogenation，goldcatalyst，cinnamaldehyde，selectiVityV目录第一章绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

7、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．11．1旺，D．小饱和醛催化加氢的研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．1．1常见的4<饱和醛分类⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．1．20【邝．不饱和醛的吸附模式⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯21．1．3a，B．不饱和醛催化加氢的影响因素⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯31．1．3．1催化剂金属的活性组分种类⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯31．1．3．2a，B．不饱和醛加氢反应的空间位阻效应⋯⋯⋯

8、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．41．1．3．3催化剂载体的影响⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯51．1．3．4助剂或促进剂的影响⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯61．2纳米金催化剂的研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．71．2．1负载型纳米金催化剂的彳i同制备方法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．71．2．2金催化剂的研究领域⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯101．3复