A novel autothermal reactor concept for thermal coupling of the exothermic oxidative coupling and endothermic steam reforming of methane

T.P. Tiemersma, T. Kolkman, J.A.M. Kuipers, M. Sint Annaland, van

Research output: Contribution to journalArticleAcademicpeer-review

18 Citations (Scopus)
7 Downloads (Pure)

Abstract

A novel reactor concept with autothermal operation is presented for the simultaneous production of ethylene by oxidative coupling (OCM) and synthesis gas by steam reforming of methane (SRM). A detailed reactor model was developed and used to gain insight in the complex behavior of the reactor comprising two seperate reaction chambers which are thermally coupled. The OCM is carried out in packed bed reverse flow membrane reactor tubes submerged into a fluidized bed where the unconverted methane and by-products, from which the valuable C2 (C2H2 and C2H6) components have been separated, are reformed together with some additional steam, thus producing sythesis gas and consuming the reaction heat liberated by the ecothermic OCM. On basis of detailed simulations it has been shown that indeed the exothermic OCM and endothermic SRM can be very efficiently coupled permitting autothermal operation with cyclic steady state C2 yields up to 30% at full methane conversion with a CH4/O2 molar ratio of 2-2.5 and a H2O/CH4 molar ratio of 3 in the SRM fluidized bed reactor.
Original languageEnglish
Pages (from-to)223-230
Number of pages8
JournalChemical Engineering Journal
Volume203
DOIs
Publication statusPublished - 2012

Fingerprint

Steam reforming
Methane
methane
Fluidized beds
Synthesis gas
Steam
Packed beds
gas
ethylene
Byproducts
Ethylene
Gases
Hot Temperature
reactor
membrane
Membranes
simulation

Cite this

@article{ff12db35746a4ac9a49a292fe6cf438b,
title = "A novel autothermal reactor concept for thermal coupling of the exothermic oxidative coupling and endothermic steam reforming of methane",
abstract = "A novel reactor concept with autothermal operation is presented for the simultaneous production of ethylene by oxidative coupling (OCM) and synthesis gas by steam reforming of methane (SRM). A detailed reactor model was developed and used to gain insight in the complex behavior of the reactor comprising two seperate reaction chambers which are thermally coupled. The OCM is carried out in packed bed reverse flow membrane reactor tubes submerged into a fluidized bed where the unconverted methane and by-products, from which the valuable C2 (C2H2 and C2H6) components have been separated, are reformed together with some additional steam, thus producing sythesis gas and consuming the reaction heat liberated by the ecothermic OCM. On basis of detailed simulations it has been shown that indeed the exothermic OCM and endothermic SRM can be very efficiently coupled permitting autothermal operation with cyclic steady state C2 yields up to 30{\%} at full methane conversion with a CH4/O2 molar ratio of 2-2.5 and a H2O/CH4 molar ratio of 3 in the SRM fluidized bed reactor.",
author = "T.P. Tiemersma and T. Kolkman and J.A.M. Kuipers and {Sint Annaland, van}, M.",
year = "2012",
doi = "10.1016/j.cej.2012.07.021",
language = "English",
volume = "203",
pages = "223--230",
journal = "Chemical Engineering Journal",
issn = "1385-8947",
publisher = "Elsevier",

}

A novel autothermal reactor concept for thermal coupling of the exothermic oxidative coupling and endothermic steam reforming of methane. / Tiemersma, T.P.; Kolkman, T.; Kuipers, J.A.M.; Sint Annaland, van, M.

In: Chemical Engineering Journal, Vol. 203, 2012, p. 223-230.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - A novel autothermal reactor concept for thermal coupling of the exothermic oxidative coupling and endothermic steam reforming of methane

AU - Tiemersma, T.P.

AU - Kolkman, T.

AU - Kuipers, J.A.M.

AU - Sint Annaland, van, M.

PY - 2012

Y1 - 2012

N2 - A novel reactor concept with autothermal operation is presented for the simultaneous production of ethylene by oxidative coupling (OCM) and synthesis gas by steam reforming of methane (SRM). A detailed reactor model was developed and used to gain insight in the complex behavior of the reactor comprising two seperate reaction chambers which are thermally coupled. The OCM is carried out in packed bed reverse flow membrane reactor tubes submerged into a fluidized bed where the unconverted methane and by-products, from which the valuable C2 (C2H2 and C2H6) components have been separated, are reformed together with some additional steam, thus producing sythesis gas and consuming the reaction heat liberated by the ecothermic OCM. On basis of detailed simulations it has been shown that indeed the exothermic OCM and endothermic SRM can be very efficiently coupled permitting autothermal operation with cyclic steady state C2 yields up to 30% at full methane conversion with a CH4/O2 molar ratio of 2-2.5 and a H2O/CH4 molar ratio of 3 in the SRM fluidized bed reactor.

AB - A novel reactor concept with autothermal operation is presented for the simultaneous production of ethylene by oxidative coupling (OCM) and synthesis gas by steam reforming of methane (SRM). A detailed reactor model was developed and used to gain insight in the complex behavior of the reactor comprising two seperate reaction chambers which are thermally coupled. The OCM is carried out in packed bed reverse flow membrane reactor tubes submerged into a fluidized bed where the unconverted methane and by-products, from which the valuable C2 (C2H2 and C2H6) components have been separated, are reformed together with some additional steam, thus producing sythesis gas and consuming the reaction heat liberated by the ecothermic OCM. On basis of detailed simulations it has been shown that indeed the exothermic OCM and endothermic SRM can be very efficiently coupled permitting autothermal operation with cyclic steady state C2 yields up to 30% at full methane conversion with a CH4/O2 molar ratio of 2-2.5 and a H2O/CH4 molar ratio of 3 in the SRM fluidized bed reactor.

U2 - 10.1016/j.cej.2012.07.021

DO - 10.1016/j.cej.2012.07.021

M3 - Article

VL - 203

SP - 223

EP - 230

JO - Chemical Engineering Journal

JF - Chemical Engineering Journal

SN - 1385-8947

ER -