B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 3/42 (2006.01) B01D 3/06 (2006.01) B01D 3/34 (2006.01) B01D 11/00 (2006.01)
Patent
CA 2539243
A distillation process for separating a target component from a mixture containing a solvent and the target includes the steps of flashing off a vapor mixture of said solvent and said target in an evaporator, separating said target from said vapor mixture, and providing additional solvent to said evaporator to maintain the temperature of said evaporator substantially below the boiling point of said target. The process also includes the step of removing accumulated non-volatile components from said evaporator by allowing the non-volatile components to precipitate from a mixture of the target and the solvent.
L'invention concerne un procédé de distillation permettant de séparer un composant cible à partir d'un mélange contenant un solvant et la cible. Ce procédé comprend les étapes consistant : à faire évaporer un mélange de vapeur dudit solvant et de ladite cible dans un évaporateur ; à séparer ladite cible dudit mélange de vapeur ; et à amener un solvant supplémentaire dans ledit évaporateur afin que la température de ce dernier soit maintenue sensiblement au-dessous du point d'ébullition de ladite cible. Ce procédé comprend également une étape consistant à éliminer les composants non volatils accumulés dudit évaporateur en provoquant la précipitation de ces derniers à partir d'un mélange de la cible et du solvant.
Clark Arthur F.
Ridout & Maybee Llp
LandOfFree
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