Gas separation: apparatus – Solid sorbent apparatus – Layered or laminated
Patent
1993-04-26
1996-12-03
Bell, James J.
Gas separation: apparatus
Solid sorbent apparatus
Layered or laminated
96125, 428116, 428482, 428186, 428283, 428331, 428402, B01D 5302
Patent
active
055803709
ABSTRACT:
Adsorbents are used whose equilibrium isotherms for adsorption show no rapid rise in relative humidity more than 40% and whose equilibrium isotherms for adsorption and desorption show no hysteresis phenomenon and in which adsorbed humidity does not cause capillary condensation, for example, A-type or RD-type silica gel or hydrophilic zeolite. Adhesive or binder is applied on the surface of a metallic sheet, a plastic sheet or a ceramic fiber paper, and particulates of the above-mentioned adsorbents are fixed on or in it to get a total heat energy exchanger material. The total heat energy exchanger material is corrugated and laminated to obtain a total heat energy exchanger element. When outer air or return air contains various odorous gases, these odorous gases can be mostly prevented from transferring into supply air through the total heat energy exchanger. When particulates of the above-mentioned adsorbents and chemical blowing agents are mixed in adhesive and said chemical blowing agents are made to blow by heating, the part of adsorbent particulates buried in the adhesive layer can also function as adsorbent through communicating pores and thus total heat energy exchange efficiency can be increased.
REFERENCES:
patent: 4769053 (1988-09-01), Fischer
patent: 5161686 (1992-11-01), Weber et al.
patent: 5308703 (1994-05-01), Tsujimoto et al.
Adsorption Surface and Porosity, S. J. Gregg and K. Su Sing, Academic Press, London, 1967, p. 160.
Hand Both of Chemistry Edited By The Chemical Society of Japan, Applied Chemistry Parts, Part I, Maruzen pp. 256-257, Oct. 1986.
The Chemistry of Silica, pp. 488-492 (1979) Ralph H. Iier.
Principles of Adsorption and Adsorption Processes Douglas M. Ruthven, pp. 48 & 49 (1984).
Kuma Toshimi
Shirahama Noriaki
Bell James J.
Kabushiki Kaisha Seibu Giken
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