Gas separation: processes – Solid sorption – Inorganic gas or liquid particle sorbed
Patent
1993-07-15
1994-10-11
Spitzer, Robert
Gas separation: processes
Solid sorption
Inorganic gas or liquid particle sorbed
95141, 95287, B01D 5304, B01D 2704, B01D 3908
Patent
active
053543629
ABSTRACT:
A method of filtering a natural gas stream, at the end user's home, business or the like, in which at least a single gas appliance is located, is described in which natural gas odorants have been concentrated in the stream at sufficient levels to be a significant health hazard and/or an adverse environmental threat, such method comprising the steps of: (a) introducing the stream to a filter selected from a group that includes at least activated charcoal and/or impingement adsorbing media wherein in the odorant in the gas stream at sufficient levels to be a significant health hazard and/or an adverse environmental threat due to aperiodic loading of the network occurring as a result of dampening effects of compressor-driven equipment and multiple customer outlet usage causing the ordorant to become clumped into packets, is filtered from the gas stream and captured irrespective of mode of transport, (b) passing the filtered natural gas stream to the end user's gas appliance wherein safe use of the energy associated with the natural gas stream occurs, (c) periodically and safely removing the filter of step (a) for disposing of captured odorant, and (d) inserting a new filter in place of the removed filter. In addition to remove odorants from the natural gas stream, the method of the present invention also can remove other types of contaminants previously mentioned and incorporated herein by reference, such as radon.
REFERENCES:
patent: 5139542 (1992-08-01), Sowinski
patent: 5139543 (1992-08-01), Sowinski
patent: 5141533 (1992-08-01), Sowinski
patent: 5145494 (1992-09-01), Sowinski
patent: 5149343 (1992-09-01), Sowinski
Messner Harold D.
Spitzer Robert
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