Gas separation: processes – Solid sorption – Including reduction of pressure
Reexamination Certificate
2007-08-14
2007-08-14
Lawrence, Frank M. (Department: 1724)
Gas separation: processes
Solid sorption
Including reduction of pressure
C096S109000, C096S114000, C096S121000
Reexamination Certificate
active
10517228
ABSTRACT:
The invention concerns a treatment method which consists in using a pressure swing adsorption treatment unit (16) and causing said treatment unit (16) to follow a nominal operating cycle, based on nominal operating conditions and in order to ensure minimal performances of the feed gas treatment. It further consists in providing at least a pre-programmed auxiliary operating cycle, different from the nominal cycle, and, when the operating conditions differ from the nominal conditions to the extent that the treatment unit (16) no longer achieves its minimal performances, in imposing to the treatment unit (16) to follow the or one of the auxiliary cycles.
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International Search Report for PCT/FR03/01828.
De Souza Guillaume
Monereau Christian
Haynes Elwood L.
L'Air Liquide, Société Anonyme à Directoire et Co
Lawrence Frank M.
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