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Catalytic action of lead oxide on elementary stages of liquid-phase oxidation of ethylbenzene

Bacherikova, I.V. / Yevmenenko, N.P. / Gorokhovatskii, Ya.B.

Abstract 1. 1. xidation of ethylbenzene in the presence of lead oxide takes place by a heterogeneous-homogeneous radical-chain mechanism. 2. 2. Ratios of $k 2 √k 6$ were derived kinetically at different temperatures and the $E 2 − 12 E 6$ parameter was calculated. PbO does not influence the stage of chain extension and rupture. 3. 3. In liquid-phase oxidation of ethylbenzene lead oxide is intended to generate free radicals, the main source of which is the heterogeneous-catalytic decomposition of hydroperoxide. Rates of heterogeneous chain initiation were determined and the activation energy of this reaction calculated and found to be 22·8 kcal.mole.

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Catalytic action of lead oxide on elementary stages of liquid-phase oxidation of ethylbenzene

Bacherikova, I.V. / Yevmenenko, N.P. / Gorokhovatskii, Ya.B.

Abstract 1. 1. xidation of ethylbenzene in the presence of lead oxide takes place by a heterogeneous-homogeneous radical-chain mechanism. 2. 2. Ratios of $k 2 √k 6$ were derived kinetically at different temperatures and the $E 2 − 12 E 6$ parameter was calculated. PbO does not influence the stage of chain extension and rupture. 3. 3. In liquid-phase oxidation of ethylbenzene lead oxide is intended to generate free radicals, the main source of which is the heterogeneous-catalytic decomposition of hydroperoxide. Rates of heterogeneous chain initiation were determined and the activation energy of this reaction calculated and found to be 22·8 kcal.mole.

Catalytic action of lead oxide on elementary stages of liquid-phase oxidation of ethylbenzene

Bacherikova, I.V. / Yevmenenko, N.P. / Gorokhovatskii, Ya.B.

Abstract 1. 1. xidation of ethylbenzene in the presence of lead oxide takes place by a heterogeneous-homogeneous radical-chain mechanism. 2. 2. Ratios of $k 2 √k 6$ were derived kinetically at different temperatures and the $E 2 − 12 E 6$ parameter was calculated. PbO does not influence the stage of chain extension and rupture. 3. 3. In liquid-phase oxidation of ethylbenzene lead oxide is intended to generate free radicals, the main source of which is the heterogeneous-catalytic decomposition of hydroperoxide. Rates of heterogeneous chain initiation were determined and the activation energy of this reaction calculated and found to be 22·8 kcal.mole.

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Titel:

Catalytic action of lead oxide on elementary stages of liquid-phase oxidation of ethylbenzene

Beteiligte:

Bacherikova, I.V. (Autor:in) / Yevmenenko, N.P. (Autor:in) / Gorokhovatskii, Ya.B. (Autor:in)

Erschienen in:

Petroleum Chemistry: USSR (English Translation of Neftekhimiya) ; 15 ; 171-176

Erscheinungsdatum:

01.07.1974

Format / Umfang:

6 pages

ISSN:

DOI:

https://doi.org/10.1016/0031-6458(75)90025-8

Medientyp:

Aufsatz (Zeitschrift)

Format:

Elektronische Ressource

Sprache:

Englisch

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