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Titolo:
RADICAL CHEMISTRY IN METHANE OXIDATIVE COUPLING - TRACING OF ETHYLENESECONDARY REACTIONS WITH COMPUTER-MODELS AND ISOTOPES
Autore:
MIMS CA; MAUTI R; DEAN AM; ROSE KD;
Indirizzi:
UNIV TORONTO,DEPT CHEM ENGN & APPL CHEM TORONTO ON M5S 1A4 CANADA EXXON RES & ENGN CO,CORP RES LABS ANNANDALE NJ 08801
Titolo Testata:
Journal of physical chemistry
fascicolo: 50, volume: 98, anno: 1994,
pagine: 13357 - 13372
SICI:
0022-3654(1994)98:50<13357:RCIMOC>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Soggetto:
PROMOTED MAGNESIUM-OXIDE; GAS-PHASE; HIGHER HYDROCARBONS; LI/MGO CATALYST; CONVERSION; OXYGEN; ETHANE; DIMERIZATION; SIMULATION; INHIBITION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
66
Recensione:
Indirizzi per estratti:
Citazione:
C.A. Mims et al., "RADICAL CHEMISTRY IN METHANE OXIDATIVE COUPLING - TRACING OF ETHYLENESECONDARY REACTIONS WITH COMPUTER-MODELS AND ISOTOPES", Journal of physical chemistry, 98(50), 1994, pp. 13357-13372

Abstract

The reaction pathways of ethylene during methane oxidative coupling over (Li)MgO catalysts were investigated by detailed isotopic analysis of all the products from (C2H4)-C-12:(CH4)-C-13:O-2 reactant mixtures. Ethylene oxidation has little effect on the concurrent methane conversion, even at comparable mole fractions. By comparison with an extensive computer model of the gas-phase chemistry, the surface is seen to effectively quench much of the oxidative gas-phase radical chemistry. The detailed C-3 and C-4 hydrocarbon yields and isotopic distributions,however, are well described by gas-phase hydrocarbon radical pathways.

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Documento generato il 30/10/20 alle ore 09:47:17