Pd／NiSMM对正辛烷异构化反应的催化作用  

Hydroisomerization of n-Octane on Pd/NiSMM

作　　者：宋学敏 陆善祥[1] 李承烈[1] 刘馥英[1] 

机构地区：[1]加拿大Laval大学,华东理工大学联合化学反应工程研究所,华东理工大学石油加工系

出　　处：《石油化工》1996年第3期153-158,共6页Petrochemical Technology

摘　　要：考察了正辛烷在钯负载的ＮＩＳＭＭ、ＨＭ、ＨＹ和ＣＬＳ催化剂上异构化的催化活性和产物分布以及Ｐｄ／ＮｉＳＭＭ催化活性的稳定性和抗硫、抗氛中毒能力，并用催化剂的酸性质对试验数据进行了解释。试验结果表明，Ｐｄ／ＮｉＳＭＭ具有优良的正辛烷异构化催化活性、选择性和稳定性，其抗硫、抗氛中毒能力也很强，抗硫中毒能力优于Ｐｄ／ＨＭ催化剂。The correlation and comparison between acidic properties of HM,NiSMM,HY,and GLS and catalytic behaviors of Pd/HM, Pd/NisMM Pd/HY and Pd/CLS were studied. Stability and resistance to S--and N--containing poisons were mvestigated on Pd/NiSMM. It is found that for nparaffin isomerization,the conversion depends on the amount of acidic sites on the catalyst surface,and the selectivity on the strength distribution of acidlc sites. Pd/NiSMM is a suitable catalyst for n --octane isomerization. No deactivation of the catalyst was observed within 100 hours of time--on--stream. Pd/NiSMM is also resistant to S-and N--containing poisons.

关 键 词：辛烷 催化剂 钯 异构化 正辛烷 蒙脱石 

分 类 号：TQ221.18[化学工程—有机化工]