DESUBLIMATION FRACTIONATION OF MULTICOMPONENT SYSTEM AND PLANT TO THIS END Russian patent published in 2014 - IPC B01D7/02 F28B1/02 

Abstract RU 2511839 C1

FIELD: process engineering.

SUBSTANCE: set of invention relates to food, chemical and pharmaceutical industries and can be used for separation of gas-vapour mixes at sublimation driers. Proposed method comprises feed of gas-vapour mix and coolant for cooling of desublimation surface and removal of desublimate. For this, buffer fluid is used representing low freezing point fluid transmitting heat from said mix to aid coolant. This fluid can be, for example, aqueous solution of ethylene glycol. Note here that its concentration in said solution is selected to make freezing point at flowing via cascade of desublimators thereat lower than at every previous desublimator.

EFFECT: adequate separation, simplified temperature control at freezing with the use of low-boiling coolant.

2 cl, 3 dwg

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RU 2 511 839 C1

Authors

Shabanov Igor Egorovich

Kaledin Aleksandr Sergeevich

Kuzovenko Yurij Nikolaevich

Dates

2014-04-10Published

2012-09-25Filed