Electrodesorption system for regenerating a dielectric adsorbent

Details Electrodesorption system for regenerating a dielectric adsorbent Electrodesorption system for regenerating a dielectric adsorbent

1977-02-15

1978-06-13

Adee, John

Gas separation

Means within gas stream for conducting concentrate to collector

55 75, 55208, B01D 5304

Patent

active

040946525

ABSTRACT:
A drying system wherein fluid is contacted with a bed of dielectric absorbent particles, preferably zeolite molecular sieve particles, to sorb an adsorbable component such as water, from the fluid. The improved system includes means for reactivating the moisture saturated bed by directly applying to the zeolite particles a high voltage electrical field having sufficient potential gradient (e.g., 0.2 to 500 Kv/cm) to separate substantially all of the sorbed moisture as molecular water. Direct current or low frequency (0-10.sup.3 H.sub.z) is employed. In the preferred embodiments the molecular sieve bed comprises synthetic crystalline metal alumino silicate zeolite particles such as powder having an average particle size of about 1 .mu. to 10 .mu. or larger 4 to 12 mesh bonded particles (e.g. 1000 .mu. to 5000 .mu.). The electro-desorption process is advantageous in that the amount of time and energy consumed in regenerating the bed is less than that required for conventional regeneration procedures.

REFERENCES:
patent: 3188283 (1965-06-01), Cole
patent: 3193985 (1965-07-01), Siggelin
patent: 3594983 (1971-07-01), Yearout
patent: 3734293 (1973-05-01), Biskis
patent: 4038050 (1977-07-01), Lowther

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