CO2 capture and methanation over iron and cobalt-containing catalysts operated in a domestic microwave oven

Acher, Loren; Gana, Jessim; Caillot, Thierry; Kaddouri, Akim; Meunier, Frederic C.

doi:10.1016/j.apcata.2024.119898

Applied Catalysis A: General

2024

DOI: 10.1016/j.apcata.2024.119898

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CO2 capture and methanation over iron and cobalt-containing catalysts operated in a domestic microwave oven

Loren Acher,

Jessim Gana,

Thierry Caillot

et al.

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2024

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Microwave-Assisted Oxidation of N2 into NOx over a La-Ce-Mn-O Perovskite Yielding Plasmas in a Quartz Flow Reactor at Atmospheric Pressure

Meunier,

Kaddouri

2024

Catalysts

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N2 oxidation to NOx is a challenging reaction, and alternative routes to the industrial Ostwald process are of interest. A perovskite under flowing O2-N2 mixtures at atmospheric pressure in a quartz tube reactor was irradiated by microwaves (MW), leading to the formation of hot spots and plasmas within the catalyst bed. NOx concentrations up to 2.5 vol.% in one pass were obtained at 600 W. Using a lower MW power of 100 W led to a pulsed mode yielding lower NOx concentrations and no noticeable damage to the quartz reactor. The formation of plasma was strongly dependent on the perovskite bed packing. The perovskite acted primarily as a susceptor and likely also as a catalyst, although the proportion of heterogeneous and homogenous reactions could not be determined in the present study. The simple reactor layout allowing operation at atmospheric pressure is promising for the development of practical MW-assisted N2 fixation technologies.

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Microwave-Assisted Oxidation of N2 into NOx over a La-Ce-Mn-O Perovskite Yielding Plasmas in a Quartz Flow Reactor at Atmospheric Pressure

Meunier,

Kaddouri

2024

Catalysts

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show abstract

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CO2 capture and methanation over iron and cobalt-containing catalysts operated in a domestic microwave oven

Cited by 1 publication

References 37 publications

Microwave-Assisted Oxidation of N2 into NOx over a La-Ce-Mn-O Perovskite Yielding Plasmas in a Quartz Flow Reactor at Atmospheric Pressure

Microwave-Assisted Oxidation of N2 into NOx over a La-Ce-Mn-O Perovskite Yielding Plasmas in a Quartz Flow Reactor at Atmospheric Pressure

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