Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1980-09-30
1982-09-21
Spitzer, Robert H.
Gas separation
Means within gas stream for conducting concentrate to collector
55309, 55387, 210188, B01D 5304
Patent
active
043505023
ABSTRACT:
Gas from one or more land fill vents, or other fugitive sources containing toxic materials, is decontaminated by being passed through a wire mesh tube disposed coaxially in an enclosing housing. The annular chamber between the wire mesh tube and enclosing housing is filled with solid adsorbent, such as conventional activated carbon, or specially impregnated varieties designed to remove selected contaminants. The decontamination is effected by radial diffusion of the toxic constituents in a laminar flow regime. The annular chamber is sealed at the upper and lower ends with removable annular caps which allow the adsorbent material to be replaced when it is spent. An improved embodiment contains a plurality of wire mesh tubes symmetrically arranged in parallel relation to the axis of a cylindrical housing wherein the intervening space is filled with the solid adsorbent. The housing is held in a substantially vertical position by conventional supporting means. In one embodiment, adapted for land fill use, each of the wire mesh tubes is coupled at its lower end to receive gas vented from a corresponding gas vent projecting from the land fill. In a modification, several wire mesh tubes are connected at their input and output ends to provide a single wire mesh channel making numerous passes back and forth through the adsorbing bed before exiting to the atmosphere. Unlike conventional adsorption devices, the contaminated gas stream in the device of the present invention does not come into direct contact with the solid adsorbent.
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Thermo-Systems Inc., Instruction Manual Model 3062 Diffusion Drier, five pages.
Pugh Martha G.
Spitzer Robert H.
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