Palladium-Based Catalysts for the Hydrochlorination of Acetylene: Reasons for Deactivation and Its Regeneration

Palladium-based catalysts were prepared by an incipient wetness impregnation method, and the catalytic activity for the hydrochlorination of acetylene was studied in a fixed-bed reactor under normal pressure. Several analysis methods including scanning electron microscope (SEM), gas chromatography-m...

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Bibliographic Details
Published in:Petroleum science and technology 2010-01, Vol.28 (18), p.1825-1833
Main Authors: Song, Q. L., Wang, S. J., Shen, B. X., Zhao, J. G.
Format: Article
Language:English
Subjects:
Applied sciences
Catalysis
Catalysts
Crude oil, natural gas and petroleum products
deactivation
Emission analysis
Energy
Exact sciences and technology
Fuels
Hydrochlorination
Inductively coupled plasma
palladium chloride
Petroleum products, gas and fuels. Motor fuels, lubricants and asphalts
Processing of crude oil and oils from shales and tar sands. Processes. Equipment. Refinery and treatment units
Regeneration
Scanning electron microscopy
Spectroscopy
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Summary:Palladium-based catalysts were prepared by an incipient wetness impregnation method, and the catalytic activity for the hydrochlorination of acetylene was studied in a fixed-bed reactor under normal pressure. Several analysis methods including scanning electron microscope (SEM), gas chromatography-mass spectrometry (GC-MS), N 2 -adsorption, thermogravimetry (TG), and inductively coupled plasma-atomic emission spectrometry (ICP-AES) analysis methods were combined to study the reasons for the deactivation of PdCl 2 /C catalyst in detail. On this basis, some attempts were made to improve catalyst stability and its regeneration.
ISSN:1091-6466
1532-2459
DOI:10.1080/10916460903160842