Dependence of ethanediol yield on formaldehyde concentration in γ-radiolysis of methanol–formaldehyde system at 373–473 K

Novoselov, A.I.; Silaev, M.M.; Bugaenko, L.T.

Информация о цитировании статьи получена из Web of Science, Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 20 января 2016 г.

Авторы: Novoselov A.I., Silaev M.M., Bugaenko L.T.
Журнал: High Energy Chemistry
Том: 42
Номер: 1
Год издания: 2008
Издательство: Pleiades Publishing, Ltd
Местоположение издательства: Road Town, United Kingdom
Первая страница: 69
Последняя страница: 70
DOI: 10.1134/S0018143908010141
Аннотация: In this communication, we report the experimentally measured dependences of the yield of ethanediol on the total concentration of formaldehyde, including both the free and chemically bound (with methanol) forms of dissolved formaldehyde, at different temperatures. The ﬁgure show the yields of ethanediol plotted against total formaldehyde concentrations of 0.1, 0.3, 0.6, 0.9, 1.4, 2.2, and 3.1 mol/l in the methanol–formaldehyde system at temperatures of 373, 423, 448, and 473 K. The maximum yield of the product reached 139 molecule/100 eV at a formaldehyde concentration of 1.4 mol/l in methanol and a temperature of 473 K. The dependence of the yield on the concentration at 373 K does not pass through a maximum even at the highest (3.1 mol/l) concentration of formaldehyde, whereas maximums appear on the curves in the formaldehyde concentration region about 1.4 mol/l at higher temperatures. The major by-product at γ-radiolysis of methanol–formaldehyde system is methylal, the product of thermal acetalization of formaldehyde.
Добавил в систему: Силаев Михаил Михайлович

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Dependence of ethanediol yield on formaldehyde concentration in γ-radiolysis of methanol–formaldehyde system at 373–473 Kстатья

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