PROCESS AND APPARATUS FOR HEAVY HYDROCARBON REMOVAL FROM LEAN NATURAL GAS BEFORE LIQUEFACTION

World Intellectual Property Organization Patent

APP PUB NO WO-2015138846-A1
SERIAL NO

PCTUS2015020360

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Abstract

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A process is described herein for removing high freeze point hydrocarbons, including benzene compounds, from a mixed feed gas stream. The process involves cooling process streams in one or more heat exchangers and separating condensed compounds in multiple separators to form a methane-rich product gas stream. Select solvent streams from a fractionation train and/or separate solvent streams are employed to lower the freeze point of one or more streams that contain high freeze point hydrocarbons. A corresponding system also is disclosed.

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Patent Owner(s)

Patent OwnerAddress
LUMMUS TECHNOLOGY INCUSBLOOMFIELD NJ 07003-3096

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Inventor(s)

Inventor Name Address
PATEL SANJIV N SUGAR LAND TX
GASKIN THOMAS K SPRING TX
YAMIN FEREIDOUN HOUSTON TX
BALKO CATHERINE L SALE VIC 3850

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