Effect of Constant‐Rate Reduction on the Performance of a Ternary Cu/ZnO/Al 2 O 3  Catalyst in Methanol Synthesis | Zendy

Ruland Holger | Zendy; Busser Wilma | Zendy; Otto Horst | Zendy; Muhler Martin | Zendy

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Effect of Constant‐Rate Reduction on the Performance of a Ternary Cu/ZnO/Al 2 O 3 Catalyst in Methanol Synthesis

Author(s) -

Ruland Holger,

Busser Wilma,

Otto Horst,

Muhler Martin

Publication year - 2014

Publication title -

chemie ingenieur technik

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.365

H-Index - 36

eISSN - 1522-2640

pISSN - 0009-286X

DOI - 10.1002/cite.201400065

Subject(s) - catalysis , ternary operation , autocatalysis , methanol , reaction rate constant , copper , chemistry , selective catalytic reduction , reduction (mathematics) , volumetric flow rate , kinetics , inorganic chemistry , analytical chemistry (journal) , thermodynamics , chromatography , organic chemistry , physics , geometry , mathematics , quantum mechanics , computer science , programming language

A multi‐functional flow set‐up was developed for the rate‐ and temperature‐controlled reduction of copper catalysts, their application in high‐pressure methanol synthesis and the determination of the copper surface area by N 2 O frontal chromatography. The influence of constant‐rate reduction on the catalytic properties of a ternary Cu/ZnO/Al 2 O 3 catalyst was investigated. The temperature during the constant‐rate reduction was found to decrease, indicating autocatalytic kinetics, but no significant catalytic effect of the milder reduction conditions was observed compared with a slow linear heating ramp.

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