Ignition and Quenching Behaviour of High Pressure CH<sub>4</sub> Catalytic Combustion over a LaMnO<sub>3</sub> Honeycomb

Ignition and Quenching Behaviour of High Pressure CH<sub>4</sub> Catalytic Combustion over a LaMnO<sub>3</sub> Honeycomb

In the present work, we report experimental results for the behaviour of a LaMnO3-based honeycomb in the catalytic combustion of methane, in particular during the start-up and shut-down operations at different pressures. Methane ignition is mainly driven by heterogeneous reactions. The temperature i...

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Main Authors: P.S. Barbato, A. Di Benedetto, V. Di Sarli, G. Landi
Format: Article
Language:English
Published: AIDIC Servizi S.r.l. 2013-06-01
Series:Chemical Engineering Transactions
Online Access:https://www.cetjournal.it/index.php/cet/article/view/6504
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spelling doaj-5c88858d4a9742e49aeaabc6d789c3902021-02-22T20:59:32ZengAIDIC Servizi S.r.l.Chemical Engineering Transactions2283-92162013-06-013210.3303/CET1332110Ignition and Quenching Behaviour of High Pressure CH<sub>4</sub> Catalytic Combustion over a LaMnO<sub>3</sub> HoneycombP.S. BarbatoA. Di BenedettoV. Di SarliG. LandiIn the present work, we report experimental results for the behaviour of a LaMnO3-based honeycomb in the catalytic combustion of methane, in particular during the start-up and shut-down operations at different pressures. Methane ignition is mainly driven by heterogeneous reactions. The temperature increase due to the heat developed on the catalyst surface is responsible for ignition of homogeneous reactions, allowing the complete fuel consumption. On the other hand, during quenching, the homogeneous reaction front moves towards the exit of the catalytic reactor; a rapid drop in the mean reactor temperature and methane conversion is detected. According to our results, quenching appears to be related to the decrease in the heat generated by homogeneous reactions.https://www.cetjournal.it/index.php/cet/article/view/6504
collection DOAJ
language English
format Article
sources DOAJ
author P.S. Barbato
A. Di Benedetto
V. Di Sarli
G. Landi
spellingShingle P.S. Barbato
A. Di Benedetto
V. Di Sarli
G. Landi
Ignition and Quenching Behaviour of High Pressure CH<sub>4</sub> Catalytic Combustion over a LaMnO<sub>3</sub> Honeycomb
Chemical Engineering Transactions
author_facet P.S. Barbato
A. Di Benedetto
V. Di Sarli
G. Landi
author_sort P.S. Barbato
title Ignition and Quenching Behaviour of High Pressure CH<sub>4</sub> Catalytic Combustion over a LaMnO<sub>3</sub> Honeycomb
title_short Ignition and Quenching Behaviour of High Pressure CH<sub>4</sub> Catalytic Combustion over a LaMnO<sub>3</sub> Honeycomb
title_full Ignition and Quenching Behaviour of High Pressure CH<sub>4</sub> Catalytic Combustion over a LaMnO<sub>3</sub> Honeycomb
title_fullStr Ignition and Quenching Behaviour of High Pressure CH<sub>4</sub> Catalytic Combustion over a LaMnO<sub>3</sub> Honeycomb
title_full_unstemmed Ignition and Quenching Behaviour of High Pressure CH<sub>4</sub> Catalytic Combustion over a LaMnO<sub>3</sub> Honeycomb
title_sort ignition and quenching behaviour of high pressure ch<sub>4</sub> catalytic combustion over a lamno<sub>3</sub> honeycomb
publisher AIDIC Servizi S.r.l.
series Chemical Engineering Transactions
issn 2283-9216
publishDate 2013-06-01
description In the present work, we report experimental results for the behaviour of a LaMnO3-based honeycomb in the catalytic combustion of methane, in particular during the start-up and shut-down operations at different pressures. Methane ignition is mainly driven by heterogeneous reactions. The temperature increase due to the heat developed on the catalyst surface is responsible for ignition of homogeneous reactions, allowing the complete fuel consumption. On the other hand, during quenching, the homogeneous reaction front moves towards the exit of the catalytic reactor; a rapid drop in the mean reactor temperature and methane conversion is detected. According to our results, quenching appears to be related to the decrease in the heat generated by homogeneous reactions.
url https://www.cetjournal.it/index.php/cet/article/view/6504
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AT adibenedetto ignitionandquenchingbehaviourofhighpressurechsub4subcatalyticcombustionoveralamnosub3subhoneycomb
AT vdisarli ignitionandquenchingbehaviourofhighpressurechsub4subcatalyticcombustionoveralamnosub3subhoneycomb
AT glandi ignitionandquenchingbehaviourofhighpressurechsub4subcatalyticcombustionoveralamnosub3subhoneycomb
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