Method of and system for liquefying a gas with low boiling temperature
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United States of America Patent
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Jul 13, 1982
Grant Date -
N/A
app pub date -
Dec 9, 1980
filing date -
Dec 12, 1979
priority date (Note) -
Expired
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Abstract
A process of and apparatus for liquefying a dry gas with low boiling point in a first circuit through heat exchange with a main refrigerating fluid in a second circuit itself pre-cooled to its at least partial liquefaction through heat exchange with an auxiliary refrigerating fluid in a third circuit, wherein, for a same amount of treated products, the required total compression input power for the refrigerating fluids is reduced by performing in said third circuit an intermediate condensation between the two last compression stages followed by a phase separation, the gaseous phase being compressed to a high pressure in the last compression stage whereas the liquid phase is compressed to a high pressure by a pump and recycled to a cryogenic heat exchanger for cooling the gas initially in the moist state thereby at least partially drying same.
First Claim
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- 15 United States
- 10 France
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- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
SNAMPROGETTI S P A A COMPANY OF ITALY | 20097 S DONATO MILANESE MILAN | |
COMPAGNIE FRANCAISE D' ETUDES ET DE CONSTRUCTION "TECHNIP" A COMPANY OF FRANCE | 170 PLACE HENRI REGNAULT 92090 PARIS LA DEFENSE |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Caetani, Enzo | Nanterre, FR | 1 | 30 |
Paradowski, Henri | Cergy Pontoise, FR | 37 | 753 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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