Two-step monoethylene glycol preparation process
Номер патента: CA2038193A1
Опубликовано: 16-09-1991
Автор(ы): Johan Van Gogh
Принадлежит: Shell Canada Ltd
Опубликовано: 16-09-1991
Автор(ы): Johan Van Gogh
Принадлежит: Shell Canada Ltd
Реферат: A B S T R A C T A TWO-STEP MONOETHYLENE GLYCOL PREPARATION PROCESS A two-step reaction process for converting ethylene oxide with high selectivity into monoethylene glycol which comprises firstly reacting ethylene oxide with acetone to 2,2-dimethyl-1,3-dioxolane and secondly hydrolyzing the 2,2-dimethyl-1,3-dioxolane with water to monoethylene glycol, both steps requiring the presence of a solid acid catalyst.
Method of monoethylene glycol regeneration
Номер патента: RU2511442C2. Автор: Матиас Йозеф Пауль Слапак. Владелец: Шелл Интернэшнл Рисерч Маатсхаппий Б.В.. Дата публикации: 2014-04-10.