摘要
研究了金属助组分对以Pd为活性组分的Pd/Al2O3催化剂催化性能的影响。结果表明,添加第二金属组分对金属Pd催化剂的性能有明显的改进作用。通过对PdMo/Al2O3催化剂进行裂解馏分油选择性加氢评价分析,证明了金属Mo与Pd发生了电子相互作用,改变了Pd的电子状态,从而改善了裂解馏分油选择性加氢的活性和选择性。
The effect investigated. It was indicated of co-metal components on the that the catalytic performance properties of Pd/Al2O3 catalyst was of Pd/Al2O3 catalyst was improved significantly by the addition of a second metal component. The test results of selective hydrogenation of pyrolysis gasoline over PdMo/Al2O3 catalyst showed that interaction between Pd atom and Mo atom existed,and the electronic state of Pd atom was changed. Thus, the activity and selectivity of PdMo/Al2O3 catalyst were improved, catalyst stability was enhanced and service-life was prolonged.
出处
《石油炼制与化工》
CAS
CSCD
北大核心
2008年第1期17-21,共5页
Petroleum Processing and Petrochemicals
关键词
裂解
汽油料
金属
催化剂
选择加氢
pyrolysis
gasoline stock
metal
catalyst
selective hydrogenation
