Sgce LLC

Sgc Energia Co LLC

Scott Golczynski

Bruce Allen Logue, Ii

Leo Bonnell

Miguel A F Santos

Bruce Allen Logue

Systems, apparatuses and methods of utilizing a Fischer-Tropsch ('FT') tail gas purge stream for recycling are disclosed. One or more methods include removing an FT tail gas purge stream from an FT tail gas produced by an FT reactor, treating the FT tail gas purge stream with steam in a water gas shift ('WGS') reactor, having a WGS catalyst, to produce a shifted FT purge stream including carbon dioxide and hydrogen, and removing at least a portion of the carbon dioxide from the shifted FT purge stream, producing a carbon dioxide stream and a treated purge stream. Other embodiments are also disclosed.

Methods, systems, and apparatuses for utilizing a fischer-tropsch purge stream

A method of producing reformed gas as part of a Fischer-Tropsch ('FT') hydrocarbon synthesis is disclosed, including the steps of superheating at least a first portion of an FT tail gas produced as a by-product of an FT synthesis process, and forming a mixed gas by injecting at least a portion of an FT water stream, produced as a by-product of an FT synthesis process, into the superheated FT tail gas to form a mixed gas. The mixed gas is used as a feed to a front end of a syngas preparation unit. The amount of at least a portion of the FT water stream is selected to keep the mixed gas at least mostly and preferably entirely in a vapor phase. In some embodiments, a water-gas shift reactor converts the mixed gas to a converted mixed gas upstream of the front end. Other methods, apparatuses and systems are disclosed.

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Houston, TX, United States of America

Scott Golczynski