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Activity and regenerability of dealuminated zeolite Y in liquid phase alkylation of benzene with 1-alkene

Michal Horňáček, Pavol Hudec, Andrej Nociar, Agáta Smiešková, and Tibor Jakubík

Department of Petroleum Technology and Petrochemistry, Slovak University of Technology, Radlinského 9, 812 37 Bratislava, Slovak Republic

 

E-mail: michal.hornacek@stuba.sk

Received: 23 June 2009  Revised: 11 January 2010  Accepted: 12 January 2010

Abstract: HY-zeolite and its deep-bed dealuminated and EFAL-extracted forms were tested in liquid phase alkylation of benzene with 1-hexadecene in a batch reactor at 120°C. Deep-bed dealumination of the HY-sample at 560 °C followed by careful selective extraction of extra-framework aluminium by hydrochloric acid increased the catalytic activity as well as oxidative regenerability of Y-zeolite.

Keywords: alkylation - benzene - 1-alkene - linear alkylbenzene - zeolite Y - regeneration

Full paper is available at www.springerlink.com.

DOI: 10.2478/s11696-010-0030-x

 

Chemical Papers 64 (4) 469–474 (2010)

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