Dehydrogenation of Methylcyclohexane over Pt-Co-La Catalysts Supported on Pyrolytic Waste Tire CharChinese Full Text
Yang Ying;Ye Hongli;Zhang Cui;Liu Shuangxi;Institute of New Catalytic Materials Science,College of Chemistry,Nankai University;
Abstract: In the present work,the Pt-Co-La catalysts supported on pyrolytic waste tire char（ PTC） were prepared by impregnation method. The loading of Pt is 0. 2%,Pt-Co-La atomic ratio is 1∶ 1: x（ x = 1— 4）. The characterization of N 2 adsorption-desorption,H 2-TPR and pulse CO chemisorption results showed that the addition of a moderate amount of La to the Pt-Co bimetallic catalyst was beneficial to reduce Pt and Co,and improve their dispersion. The activity of the catalysts for dehydrogenation of methylcyclohexane（ MCH） at 300 ℃ was investigated. The results suggest that trimetallic catalysts 1Pt-1CoxLa / PTC（ x = 1—3） exhibited the high activity,compared with Pt,Pt-Co and Pt-La supported on PTC.
Keywords：
methylcyclohexane; dehydrogenation; platinum-cobalt-lanthanum; pyrolytic waste tire char（PTC）;
- DOI：
10.13353/j.issn.1004.9533.2014.01.004
- Series：
- Subject：
- Classification Code：
TQ203.2
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