Aromatic reduction of residue oil of naphtha cracking over bimetallic Pt-Pd catalysts supported on mesoporous molecular sieve

Authors: Jeong, Kwang-Eun¹; Jeong, Soon-Yong¹

Source: Research on Chemical Intermediates, Volume 34, Numbers 8-9, 2008 , pp. 693-701(9)

Publisher: VSP, an imprint of Brill

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Abstract:

An Al-containing mesoporous molecular sieve (Al-MMS) was prepared by hydrolysis of H₂SiF₆ and Al(NO₃)₃ · 9H₂O. NH₃-TPD results suggest that the acidity of Al-MMS was less than that of dealuminated zeolite Y. The potential use of mesoporous molecular sieve as a new support material for dearomatization of residue oil of naphtha cracking was described. In case of C₉⁺ and PGO feed, Pt-Pd/Al-MMS showed a higher activity than Pt-Pd/dealuminated zeolite Y catalyst. This is ascribed to its better accessibility of bulky molecules, and much less cracking activity due to mild acidity, indicating high yield of liquid. Thus, Pt-Pd/Al-MMS catalyst can be applied effectively to the hydrogenation of aromatic compounds in the residue oil of a commercial naphtha cracker.

Keywords: MESOPOROUS MOLECULAR SIEVES; NAPHTHA RESIDUE OIL; HYDROGENATION; AROMATICS; PLATINUM; PALLADIUM

Document Type: Research article

DOI: 10.1163/156856708786189276

Affiliations: 1: New Chemistry Division, Korea Research Institute of Chemical Technology, 100 Jang-dong, Yuseong-gu, Daejeon 305-600, South Korea

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