Utilizing the Mehra process for processing and BTU upgrading of

Details Utilizing the Mehra process for processing and BTU upgrading of Utilizing the Mehra process for processing and BTU upgrading of

1985-07-26

1986-11-18

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 20, 55 68, 55 76, F25J 300

Patent

active

046233717

ABSTRACT:
An improved Mehra process utilizes at least one and, if necessary, up to three gas extracting steps for processing a nitrogen-rich gas stream which can vary in composition from 3 to 75 mol. % nitrogen, the remainder being hydrocarbons, and from entirely dry to water saturated and from sweet to sour. The improved Mehra process provides up to three products, namely: nitrogen gas product, C.sub.1 -rich gas product and C.sub.2 + liquid product. The process effectively utilizes a physical solvent for extracting and upgrading the BTU value of a nitrogen-rich natural gas stream.

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