Method and apparatus for producing products from natural gas...

Details Method and apparatus for producing products from natural gas... Method and apparatus for producing products from natural gas...

2006-01-11

2008-10-21

Doerrler, William C (Department: 3744)

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

C062S639000, C062S613000

Reexamination Certificate

active

07437889

ABSTRACT:
The present invention relates to a process and apparatus for producing crude helium, liquefied natural gas product, and synthesis gas from natural gas. A natural gas comprising helium and methane is cooled to produce cooled natural gas. At least a portion of the helium and methane from the cooled natural gas is separated into a vapor comprising helium, from which crude helium is derived, and a liquid comprising methane. At least a portion of the methane from this liquid is separated into a vapor, which is reacted to produce synthesis gas, and a liquid, from which liquefied natural gas is derived. Additional heat exchange and separation steps may be included.

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