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Accession Number:
AD0656496
Title:
RESEARCH ON THE ELECTROCHEMICAL OXIDATION OF HEXANE AND ITS ISOMERS.
Descriptive Note:
Semiannual interim rept. no. 2, 16 May-15 Nov 66,
Corporate Author:
TYCO LABS INC WALTHAM MASS
Report Date:
1966-11-15
Pagination or Media Count:
47.0
Abstract:
The mechanism of the adsorption and oxidation of C3H8 and n-C6H14 on smooth Pt electrodes from 12M H3PO4 at 130C was studied using potentiostatic step and galvanostatic pulse techniques. Initial adsorption of n-C6H14 occurs as virtually unchanged hydrocarbon at a diffusionally controlled rate. Subsequently, the adsorbed hydrocarbon reacts to form three types of adsorbed product - O-type, CH-alpha, and CH-beta. O-type n-C6H14 is similar to O-type C3H8 and to the product formed on Pt in the presence of CO2, reduced CO2. CH-beta, which has a low oxidation state and releases upwards of 4 electrons per site on oxidation, is unreactive both towards oxidation and towards reduction. It is probably a carbonaceous polymer. CH-alpha, which also has a low oxidation state, is relatively unreactive towards oxidation but can be readily reduced. It is probably a mixture of partially dehydrogenated alkyl radicals. The relation of these adsorbed species to the over-all hydrocarbon-to-CO2 reaction is discussed.
Distribution Statement:
APPROVED FOR PUBLIC RELEASE