NGL RECOVERY METHODS AND CONFIGURATIONS

Title:

NGL RECOVERY METHODS AND CONFIGURATIONS

Document Type and Number:

WIPO Patent Application WO2007014069

Kind Code:

B1

Abstract:

Contemplated NGL plants include a feed gas bypass circuit through which a portion of the feed gas is provided downstream to a vapor portion of the feed gas to thereby increase turbo expander inlet temperature and demethanizer temperature. Contemplated configurations are especially advantageous for feed gases with relatively high carbon dioxide content as they entirely avoid carbon dioxide freezing in the demethanizer, provide additional power production by the turboexpander, and recover C2+ components to levels of at least 80% while achieving a low carbon dioxide content in the NGL product.

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Inventors:

MAK JOHN (US)
NIELSEN RICHARD B (US)
GRAHAM CURT (US)

Application Number:

PCT/US2006/028471

Publication Date:

June 21, 2007

Filing Date:

July 20, 2006

Export Citation:

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Assignee:

FLUOR TECH CORP (US)
MAK JOHN (US)
NIELSEN RICHARD B (US)
GRAHAM CURT (US)

International Classes:

F25J3/00

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