B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
202/104
B01D 3/14 (2006.01)
Patent
CA 1119552
ABSTRACT OF THE DISCLOSURE The present invention provides in a rectification pro- cess in which a liquid mixture of several components having dif- ferent volatilities is divided by partial condensation into a vapor phase with high concentration of the more readily volatile component and a liquid phase with low concentration of the more readily volatile component, the vapor phase being brought into intimate contact with a dephlegmate produced by partial condensa- tion in order to obtain the more readily volatile component in a form as pure as possible, the vapor formed by external heating exchanging concentration with the liquid phase of the mixture in order to strip the mixture of the more readily volatile component to the greatest extent possible the improvement in which the total heat of dephlagmation transferred from the vapor phase to a heat trough is divided into arbitrarily small amounts which are then extracted from the vapor phase so as to be distributed over the entire region of the rectification while correspondingly small amounts of dephlegmate are produced, whereby the vapor phase is passed along the dew-point curve in the enthalpy- concentration diagram and the stripping step is initiated by dividing the added heat into arbitrarily small amounts which are made available by a heat source, thus producing correspondingly small amounts of vapor locally whereby the liquid phase is passed along the boiling-point curve in the enthalpy-concentration diagram.
319122
Markfort Dieter
Marks & Clerk
LandOfFree
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