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Title: Efficient volatile metal removal from low rank coal in gasification, combustion, and processing systems and methods

Efficient coal pre-processing systems (69) integrated with gasification, oxy-combustion, and power plant systems include a drying chamber (28), a volatile metal removal chamber (30), recirculated gases, including recycled carbon dioxide (21), nitrogen (6), and gaseous exhaust (60) for increasing the efficiencies and lowering emissions in various coal processing systems.
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Issue Date:
OSTI Identifier:
The University of Wyoming Research Corporation NETL
Patent Number(s):
Application Number:
Contract Number:
FC26-98FT40322; FC26-98FT40323
Resource Relation:
Patent File Date: 2015 Nov 06
Research Org:
The University of Wyoming Research Corporation, Laramie, WY (United States)
Sponsoring Org:
Country of Publication:
United States

Other works cited in this record:

Carbonaceous material with high characteristics of surface area and activity and process for producing the same
patent, February 1979

Method for producing SNG or SYN-gas from wet solid waste and low grade fuels
patent, February 1981

Desulfurization of coal
patent, May 1982

Production of demercurized synthesis gas, reducing gas, or fuel gas
patent, September 1989

Method and apparatus for upgrading carbonaceous fuel
patent, March 1994

Process for clean-burning fuel from low-rank coal
patent, June 1994

Process and device for drying solid materials in an indirectly heated fluidized bed
patent, December 1994

Process for low mercury coal
patent, April 1995

Apparatus and method for controlling the rotary airlocks in a coal processing system by reversing the motor current rotating the air lock
patent, November 1996

Process for treating carbonaceous materials
patent, May 1998

Method and apparatus for reducing the by-product content of carbonaceous materials
patent, June 1998

Process for processing coal
patent, November 1998

Process for processing coal
patent, November 1998

Process for processing coal
patent, January 1999

Stabilized thermally beneficiated low rank coal and method of manufacture
patent, January 1999

Process for processing coal
patent, May 1999

Process for drying and solvent-extraction of water wet solids
patent, November 1999

Device and process for the aerobic treatment of organic substances
patent, May 2000

Process and an apparatus for producing a powdered product by spin flash drying
patent, July 2000

Stabilized thermally beneficiated low rank coal and method of manufacture
patent, July 2000

Cleaning apparatus with electromagnetic drying
patent, August 2000

Pressure gradient passivation of carbonaceous material normally susceptible to spontaneous combustion
patent, November 2000

Process for processing coal
patent, December 2000

Enhanced heat transfer system
patent, February 2001

Method and apparatus for heat transfer
patent, June 2001

Liquid/gas/solid separation vessel apparatus
patent, July 2001

Process for removing water from fibrous web using oscillatory flow-reversing air or gas
patent, October 2001

Process to improve boiler operation by supplemental firing with thermally beneficiated low rank coal
patent, December 2001

Combination air separation and steam-generation processes and plants therefore
patent, May 2003

Stabilizing thermally beneficiated carbonaceous material
patent, April 2005

Boiler improvements with oxygen-enriched combustion for increased efficiency and reduced emissions
patent, June 2005

Process to recover energy from hot gas
patent, February 2006

Oxygen-based biomass combustion system and method
patent, March 2006

Power generation methods and systems
patent, March 2006

Integrated heat recovery systems and methods for increasing the efficiency of an oxygen-fired furnace
patent, June 2006

Method and apparatus for enhanced heat recovery from steam generators and water heaters
patent, June 2006

Sorbent for separation of carbon dioxide (CO.sub.2) from gas mixtures
patent, June 2006

Apparatus and method of separating and concentrating organic and/or non-organic material
patent, October 2007

Oxy-fuel combustion process
patent, December 2007

Apparatus and method of separating and concentrating organic and/or non-organic material
patent, June 2009

System of the chemical engineering processes generating energy and utilizing municipal solid waste or a carbon content material mixture
patent, June 2012

System and method for preparation of solid biomass by torrefaction
patent, December 2012

Method of enhancing the quality of high-moisture materials using system heat sources
patent, November 2013

Method for the elimination of the atmospheric release of carbon dioxide and capture of nitrogen from the production of electricity by in situ combustion of fossil fuels
patent, July 2014

System and method for recovering turpentine during wood material processing
patent, September 2014

Apparatus and methods for drying material
patent, December 2014

Process for drying material and dryer for use in the process
patent, April 2015

Fuel preprocess system for coal combustion boiler
patent, April 2015

Efficient low rank coal gasification, combustion, and processing systems and methods
patent, November 2015

Curing systems for materials that consume carbon dioxide and method of use thereof
patent, December 2015

Method for removing liquid membrane using high-speed particle beam
patent, October 2016

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