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Title: Separation of catalyst from Fischer-Tropsch slurry

Abstract

In a catalytic process for converting synthesis gas including hydrogen and carbon monoxide to hydrocarbons and oxygenates by a slurry Fischer-Tropsch synthesis, the wax product along with dispersed catalyst is removed from the slurry and purified by removing substantially all of the catalyst prior to upgrading the wax and returning a portion to the Fischer-Tropsch reaction. Separation of the catalyst particles from the wax product is accomplished by dense gas and/or liquid extraction in which the organic compounds in the wax are dissolved and carried away from the insoluble inorganic catalyst particles that are primarily inorganic in nature. The purified catalyst free wax product can be subsequently upgraded by various methods such as hydrogenation, isomerization, hydrocracking, conversion to gasoline and other products over ZSM-5 aluminosilicate zeolite, etc. The catalyst particles are returned to the Fischer-Tropsch Reactor by slurring them with a wax fraction of appropriate molecular weight, boiling point and viscosity to avoid reactor gelation.

Inventors:
 [1];  [2];  [1];  [3];  [4]
  1. Pittsburgh, PA
  2. Katy, TX
  3. Bethel Park, PA
  4. Bartlesville, OK
Publication Date:
Research Org.:
Burns and Roe Inc
OSTI Identifier:
871936
Patent Number(s):
US 5827903
Application Number:
08/594,969
Assignee:
United States of America as represented by Department of Energy (Washington, DC)
DOE Contract Number:  
AC22-89PC88400
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
separation; catalyst; fischer-tropsch; slurry; catalytic; process; converting; synthesis; gas; including; hydrogen; carbon; monoxide; hydrocarbons; oxygenates; wax; product; dispersed; removed; purified; removing; substantially; prior; upgrading; returning; portion; reaction; particles; accomplished; dense; liquid; extraction; organic; compounds; dissolved; carried; insoluble; inorganic; primarily; nature; free; subsequently; upgraded; various; methods; hydrogenation; isomerization; hydrocracking; conversion; gasoline; products; zsm-5; aluminosilicate; zeolite; etc; returned; reactor; slurring; fraction; appropriate; molecular; weight; boiling; viscosity; avoid; gelation; dense gas; fischer-tropsch synthesis; catalytic process; fischer-tropsch reaction; various methods; catalyst particles; organic compound; organic compounds; carbon monoxide; synthesis gas; molecular weight; converting synthesis; including hydrogen; liquid extract; gas including; catalyst particle; liquid extraction; /518/252/502/

Citation Formats

White, Curt M, Quiring, Michael S, Jensen, Karen L, Hickey, Richard F, and Gillham, Larry D. Separation of catalyst from Fischer-Tropsch slurry. United States: N. p., 1998. Web.
White, Curt M, Quiring, Michael S, Jensen, Karen L, Hickey, Richard F, & Gillham, Larry D. Separation of catalyst from Fischer-Tropsch slurry. United States.
White, Curt M, Quiring, Michael S, Jensen, Karen L, Hickey, Richard F, and Gillham, Larry D. Tue . "Separation of catalyst from Fischer-Tropsch slurry". United States. https://www.osti.gov/servlets/purl/871936.
@article{osti_871936,
title = {Separation of catalyst from Fischer-Tropsch slurry},
author = {White, Curt M and Quiring, Michael S and Jensen, Karen L and Hickey, Richard F and Gillham, Larry D},
abstractNote = {In a catalytic process for converting synthesis gas including hydrogen and carbon monoxide to hydrocarbons and oxygenates by a slurry Fischer-Tropsch synthesis, the wax product along with dispersed catalyst is removed from the slurry and purified by removing substantially all of the catalyst prior to upgrading the wax and returning a portion to the Fischer-Tropsch reaction. Separation of the catalyst particles from the wax product is accomplished by dense gas and/or liquid extraction in which the organic compounds in the wax are dissolved and carried away from the insoluble inorganic catalyst particles that are primarily inorganic in nature. The purified catalyst free wax product can be subsequently upgraded by various methods such as hydrogenation, isomerization, hydrocracking, conversion to gasoline and other products over ZSM-5 aluminosilicate zeolite, etc. The catalyst particles are returned to the Fischer-Tropsch Reactor by slurring them with a wax fraction of appropriate molecular weight, boiling point and viscosity to avoid reactor gelation.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1998},
month = {10}
}

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