Preparation and Characterization of a Solid Acid Catalyst from Commercial Niobia Hydrate | Zendy

Frank B. | Zendy; Yildiz A. | Zendy; Habel D. | Zendy; Schubert H. | Zendy; Schomäcker R. | Zendy

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Preparation and Characterization of a Solid Acid Catalyst from Commercial Niobia Hydrate

Author(s) -

Frank B.,

Yildiz A.,

Habel D.,

Schubert H.,

Schomäcker R.

Publication year - 2006

Publication title -

chemical engineering and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.403

H-Index - 81

eISSN - 1521-4125

pISSN - 0930-7516

DOI - 10.1002/ceat.200500380

Subject(s) - hydrate , catalysis , chemistry , acetic acid , solid acid , clathrate hydrate , mass transport , inorganic chemistry , chemical engineering , organic chemistry , engineering , engineering physics

A commercially available niobia hydrate, which is an industrial intermediate in the production of pure niobia, was prepared, characterized, and tested as a solid acid catalyst. The gas phase esterification of acetic acid with ethanol was used as a simple model reaction for the determination of the acidity and the catalytic activity. The kinetic evaluation of the experiments includes an estimation of mass transport limitation as well as a mechanistic study.

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