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Patent Searching and Data

Document Type and Number:
Japanese Patent JP3411280
Kind Code:
A method for vacuum distillation includes separation of a liquid product delivered to a reservoir under vacuum into a vapour-gaseous phase and at least one liquid fraction, withdrawal of the vapour-gaseous phase from the reservoir using a vacuum-creating device, and subsequent separation of the vapour-gaseous phase into gas and a liquid phase by condensing performed directly in the vacumm-creating device. A portion of the liquid phase is used as a fluid working medium in the vacuum-creating device. An equipment for vacuum distillation includes a reservoir under vacuum conditions equipped with mains and a vacuum-creating device, which comprises an ejector, a separator and a pump, interconnected by mains.

塩津 行正
岡部 正実
斎藤 裕
村形 力
渡邉 淳一
玉沖 達也
白木 卓子
秋永 士朗
Application Number:
Publication Date:
May 26, 2003
Filing Date:
September 20, 1993
Export Citation:
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International Classes:
B01D3/10; C07D498/22; C07H9/06; C07H19/044; C10G7/06; (IPC1-7): C07D487/14; A61K31/407; A61K31/496; A61K31/553; A61P7/00; C07D498/22