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Thermochemical Production of Liquid Fuels Photo
Thermochemical Production of Liquid Fuels
Using thermochemical processes, gasification and catalysts, WRI is producing fuels from domestic resources. 
Bioenergy & Gasification

Capabilities & Expertise
Catalysis & Synthesis
Environmental Remediation/Restoration
Oil Shale
Refinery Efficiency
Unconventional Fuels

WRI's thermochemical processes for converting feedstock to liquid fuel are related to Fischer-Tropsch (F-T) synthesis and offer significant gains in efficiency over other conversion methods. WRI’s proprietary process converts carbonaceous feedstock to synthesis gas, which is then converted to ethanol and other higher alcohols using a proprietary WRI catalyst. Catalysts used in the thermochemical process are tested in our bench-scale fuel synthesis facility. Solid feedstocks are converted to synthesis gas in gasifiers; liquid or gaseous feedstocks are converted in reformers or partial oxidation reactors. After purification, the resulting product is the same as conventional ethanol. WRI’s thermochemical processes can be used to produce ethanol from natural gas (GTL), coal (CTL) or biomass (BTL or cellulosic ethanol).

Our 50-gallon-per-day pilot plant converts natural gas and anaerobic biodigester gas to mixed alcohols, predominantly ethanol. In partnership with Novus Energy, LLC (http://www.novus-energy.com/), the plant is being used to perform test production runs for evaluating gasoline blends and characterizing process emissions and effluents for permitting requirements. Synthesis gas is generated using a dual steam-methane/CO2-methane reformer developed  in collaboration with Novus Energy.  The reformer uses a catalyst provided by Oxford Catalysts.  A fixed-bed reactor and a slurry bubble-column reactor convert synthesis gas to fuels using a combination of a commercial methanol catalyst and WRI's proprietary ethanol catalyst.  The plant also features a distillation column for product purification and a Rectisol system for CO2 separation.   WRI has equipped the pilot plant with multiple flow meters, temperature transmitters, level transmitters, and pressure transducers for determining mass and energy balance over the entire system.

WRI also operates a bench-scale catalytic partial oxidation (POX) reactor that allows us to convert gaseous hydrocarbons to synthesis gas. In related research, we have begun a jointly sponsored project with Bioconversion Technology to demonstrate an advanced fuel-flexible gasifier for the conversion of solid opportunity fuels, including coal and biomass.


WRI BioGasifier
WRI’s 50-gallon-per-day
thermochemical gasifica-
tion pilot plant produces
high-quality liquid fuels
from a variety of

Contact :
Vijay K. Sethi
Senior Vice President
Energy Production and Generation

(307) 721-2376
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