Mesoporous carbon prepared from carbohydrate as hard template for hierarchical zeolites

Kresten Egeblad, Claus H. Christensen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

A mesoporous carbon prepared from sucrose was successfully employed as a hard template to produce hierarchical silicalite-1, thus providing a very simple and inexpensive route to desirable zeolite catalysts from widely available raw materials. The porous carbon was prepared by hydrothermal treatment of a mixture of sucrose and ammonia followed by carbonization of the mixture in N-2 at high temperatures. The porous carbon produced by this method was subsequently applied as a hard template in the synthesis of mesoporous silicalite-1 and removed by combustion after synthesis. X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), selected-area electron diffraction (SAD), thermal gravimetry (TG), differential scanning calorimetry (DSC), N-2 physisorption measurements, Hg porosimetry and CHN elemental analysis techniques were applied to investigate the porous carbon template as well as the mesoporous zeolite single-crystal material.
Original languageEnglish
JournalEuropean Journal of Inorganic Chemistry
Volume25
Pages (from-to)3955-3960
ISSN1434-1948
DOIs
Publication statusPublished - 2007

Keywords

  • Mechanism
  • Silica
  • Single-Crystals
  • performance
  • ZSM-5
  • Aerogel

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