Umsatz und kinetische Modellierung der Bildung von Formaldehyd, Ethylenglycol und Ameisensäure bei der oxidativen Alkohol-Thermolyse

Spangenberg, H.‐J.; Lachmann, J.; Börger, I.; Dessau, L.; Fiebig, W.; Levitzky, A. A.

doi:10.1515/zpch-1990-27103

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1998

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“…Spangenberg et al [35] originally postulated the dehydration route, which involves a fairly highly strained transition state. The decomposition route seems more likely, but there is no direct evidence to support one path over the other.…”

Section: Ch 3 Ohmentioning

confidence: 99%

A comprehensive mechanism for methanol oxidation

Held

Dryer

1998

Int. J. Chem. Kinet.

180

172

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A comprehensive detailed chemical kinetic mechanism for methanol oxidation has been developed and validated against multiple experimental data sets. The data are from static-reactor, flow-reactor, shock-tube, and laminar-flame experiments, and cover conditions of temperature from pressure from and equivalence ratio from 0.05-633-2050 K, 0.26-20 atm, 2.6. Methanol oxidation is found to be highly sensitive to the kinetics of the hydroperoxyl radical through a chain-branching reaction sequence involving hydrogen peroxide at low temperatures, and a chain-terminating path at high temperatures. The sensitivity persists at unusually high temperatures due to the fast reaction of comparedThe branching ratio ofwas found to be a more important parameter under the higher temperature conditions, H O 2 due to the rate-controlling nature of the branching reaction of the H-atom formed through CH 3 O thermal decomposition.

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Section: Ch 3 Ohmentioning

confidence: 99%