Oxidative coupling of methane—A complex surface/gas phase mechanism with strong impact on the reaction engineering

B Beck, V Fleischer, S Arndt, MG Hevia, A Urakawa… - Catalysis Today, 2014 - Elsevier
B Beck, V Fleischer, S Arndt, MG Hevia, A Urakawa, P Hugo, R Schomäcker
Catalysis Today, 2014Elsevier
The oxidative coupling of methane over Mn/Na 2 WO 4/SiO 2 has been investigated at
reaction conditions suitable for industrial applications up to 10 bar in a fixed bed reactor as
well as by temporal analysis of products (TAP) by admitting pulses of methane, ethane and
ethene oxygen mixtures. The influence of pressure on selectivity is investigated and a
concept for optimizing it is derived. A maximum yield is estimated from the ratios of the
involved main reactions of the reaction network assuming that the undesired parallel …
Abstract
The oxidative coupling of methane over Mn/Na2WO4/SiO2 has been investigated at reaction conditions suitable for industrial applications up to 10 bar in a fixed bed reactor as well as by temporal analysis of products (TAP) by admitting pulses of methane, ethane and ethene oxygen mixtures. The influence of pressure on selectivity is investigated and a concept for optimizing it is derived. A maximum yield is estimated from the ratios of the involved main reactions of the reaction network assuming that the undesired parallel reactions can be suppressed.
Elsevier
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