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Pure and Applied Chemistry

The Scientific Journal of IUPAC

Ed. by Burrows, Hugh / Weir, Ron / Stohner, Jürgen

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Plasma application for more environmentally friendly catalyst preparation

Chang-jun Liu1 / Jijun Zou1 / Kailu Yu1 / Dangguo Cheng1 / You Han1 / Jason Zhan2 / Chalita Ratanatawanate2 / Ben W.-L. Jang2

1Key Laboratory for Green Chemical Technology, School of Chemical Engineering, Tianjin University, Tianjin 300072, China

2Department of Chemistry, Texas A&M University-Commerce, P.O. Box 3011, Commerce, TX 75429-3011, USA

Citation Information: Pure and Applied Chemistry. Volume 78, Issue 6, Pages 1227–1238, ISSN (Online) 1365-3075, ISSN (Print) 0033-4545, DOI: 10.1351/pac200678061227, January 2009

Publication History

Published Online:
2009-01-01

The present status of catalyst preparation using nonthermal plasma treatment has been summarized in this paper. Improved dispersion, better low-temperature activity, enhanced stability, and better anti-carbon deposition performance can be achieved with nonthermal plasma-treated catalysts. The improvement in catalyst preparation with nonthermal plasma treatment can reduce or avoid the use of hazardous chemicals. Nonthermal plasma catalyst treatment has especially induced a new development of nonthermal plasma for catalyst reduction. The reduction using hydrogen at high temperatures or using hazardous liquid chemicals can be replaced by the developed plasma reduction process. The mechanism for nonthermal plasma treatment has been presented. An analog between the man-made gas discharge plasmas and the environment inside the zeolite pores and around catalyst surface defects is also proposed.

Keywords: catalysts; cold plasmas; gas discharge; nonthermal plasmas; plasma synthesis; preparation; treatment

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