SUPERCRITICAL FLUID DRYING APPARATUS AND METHOD FOR GEL DRYING

Abstract

This disclosure provides a supercritical fluid drying apparatus and a method for drying gel. The apparatus includes a circulating fluid storage tank, a circulating compressor with a feed inlet communicating with the circulating fluid storage tank, a drying unit with a fluid inlet communicating with a discharge outlet of the circulating compressor, a separation unit with a fluid inlet communicating with a fluid outlet of the drying unit, an expander disposed between the drying unit and the separation unit, and a heating medium storage tank communicating with a first heat exchanger inlet of the circulating compressor and a heating medium outlet of the drying unit.A first heat exchanger outlet of the circulation compressor is in communication with a heating medium inlet of the drying unit.

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