Abstract
In this paper, the schemes of membrane-refrigeration drying and vapor removal from compressed gas are considered for use in industry. The efficiency analysis of the hybrid membrane-sorption technologies usage for gas drying was carried out. The scheme of the hybrid steam separator with two recirculation circuits is proposed, and this scheme consists from three stages. The first stage of the scheme is represented by PSA block, consisted from three adsorbers, which are filled with a solid zeolite. These adsorbers are good in water vapor absorption. The second stage is a membrane module, which is fed by waste flow of the PSA stage. Herein membrane material has a significant value of the permeability for water vapor. The third stage – refrigerator is needed for condensing of water vapor from a gas flow, permeated through membrane. Water vapor is condensed and removed from the system while dry gas is returned to the system. According to proposed scheme of hybrid system organization, deep drying can be performed without pressure loss and without change in the components of the flow.
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