Gas separation – With remote fan or pump and unconfined flow to separator
Patent
1989-03-20
1989-10-24
Hart, Charles
Gas separation
With remote fan or pump and unconfined flow to separator
55 33, 55 68, 55 73, 55 75, 55387, 55471, 55472, B11D 5304
Patent
active
048759147
ABSTRACT:
An improved gas and odor absorbing unit. The unit comprises a container having a bed of particulate odor and gas absorbing material therein constituting a molecular sieve. A tubular passage extends through the container and bed and is provided with a perforated peripheral wall adjacent the bed. The bed is fully enclosed except at the perforated tube wall. Air containing moisture, gases and odors is directed through the tubular passage. The molecular sieve bed has an affinity for gases and odors and an affinity for moisture as well. By directing the air through the tubular passage, rather than directly through the bed itself, more of the gases and odord and less moisture will be absorbed by the bed, increasing the working life of the bed. This effect may be further improved if the tubular passage is provided with diffuser material such as baffles, polyester, or fiberglass to slow down and disperse the air passing therethrough. The molecular sieve bed preferably contains indicator particles which change color when the bed needs to be changed. To this end, the container is preferably transparent allowing visual inspection of the bed. The unit can be either static or dynamic, depending upon whether air is directed through the tubular passage by the flue effect or by fan means.
REFERENCES:
patent: 3308610 (1967-03-01), Springer et al.
patent: 3501897 (1970-03-01), Van Hellen et al.
patent: 4659467 (1987-04-01), Spearman
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