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Energy Conversion - Commercialized Products 

Technologies for gasification and gas processing allow alternative and renewable energy resources to supplement traditional natural gas resources. Representative technology developments that have had major market impact include the following:


Picture of the IH2 equipment at in GTI's energy conversion laboratory.

IH Technology
CRI Catalyst Company
IH is a thermochemical process that promises to be a very cost-effective route to produce liquid transportation fuels from renewable resources. The process converts non-food biomass feedstocks—such as wood, agricultural residues, algae, and aquatic plants— directly into gasoline, diesel and jet fuels. This advanced pyrolysis technology utilizes low pressure hydrogen together with a proprietary catalyst to remove virtually all of the oxygen present in the starting biomass. GTI has licensed IH2 to CRI Catalyst Company for worldwide deployment, and commercial introduction is expected in 2014.​
Picture of a U-Gas gasification plant in Zaozhuang City, China. U-GAS®
Synthesis Energy Systems, Inc.
GTI’s patented U-GAS® is an advanced, single-stage, fluidized-bed gasification process. It operates at high efficiency with low emissions to produce low- to medium-Btu gas from various feedstocks, including all ranks of coal and coal/biomass blends. The synthesis gas can be used to produce power, chemicals, or fuel.

Synthesis Energy Systems, Inc. (SES) holds an exclusive global license for the U-GAS® coal gasification process. SES worked with GTI on the design of a U-GAS gasification plant in Zaozhuang City, China, to process waste coal. The Hai Hua $25 million syngas production plant began operation in early 2008. A $250 million integrated coal-to-methanol plant was constructed in Henan Province in China through a joint-venture agreement between SES and Yima Coal Industry Group Co., Ltd. The plant first produced methanol in late 2012.

​The U-GAS technology has been licensed for use in the metals industry at seven locations in 2015 and 2016, bringing the total number of installations to over a dozen units for chemicals and metallurgical processes in China.

Multiple coal gasification test campaigns for SES have been performed in GTI's pilot-scale gasification campus in Des Plaines, Illinois. GTI provides technical support to characterize the gasification properties of prospective fuels, conducts process simulations in support of new projects and applications, and assists in the design review of new U-GAS® plants for commercial projects.
Picture of the RENUGAS pilot plant in Tampere, Finland. RENUGAS®
GTI’s patented RENUGAS® is a biomass gasification technology that provides fuel gas for both low-pressure and high-pressure power generation, or as a syngas producer for fuel gas, liquid fuels, hydrogen, or substitute natural gas applications.
The fluidized-bed RENUGAS technology is amenable to a wide range of fuel choices. Versatile in size and configuration, it can be adapted to meet many needs.
The RENUGAS process was tested at a 100 TPD bagasse gasification plant in Maui, Hawaii in the 1990s. Carbona constructed and tested a 15 MWth high-pressure (20 bar) RENUGAS pilot plant in Tampere, Finland. A commercial combined heat and power project is operating in Skive, Denmark, producing 6 MW of electricity and 12 MW of district heat from wood.​
Spectra Energy’s Kwoen Plant in British Columbia, Canada that uses Morphysorb for acid gas removal.

Morphysorb® Process for Acid Gas Removal
Uhde, A company of ThyssenKrupp Technologies
Partnering with Uhde, GTI developed a proprietary physical solvent process to selectively remove acid gases (CO2 and H2S) from raw natural gas or syngas. The process is now commercially available as Morphysorb®.
Compared to other commercially available alternatives, the Morphysorb solvent picks up much less methane from the incoming natural gas stream. This results in several performance improvements: less recycle of hydrocarbons to the absorber; reduced losses of methane to the injection well; and higher net throughput. Morphysorb also requires lower circulation rates than competitive solvents, reducing energy requirements for pumping.

Spectra Energy’s Kwoen Plant in British Columbia, Canada has been using Morphysorb for acid gas removal since 2002. GTI provides Spectra Energy with ongoing technical support and solvent supply. The use of Morphysorb at the Kwoen plant was material in enabling the plant to expand its gas upgrading capacity by 50% with only the addition of an absorber column.​

A diagram of the Crystasulf process.

Crystasulf® Process for Sulfur Capture and Recovery
URS Corporation
A patented chemical process that removes sulfur in an environmentally acceptable and cost-effective way. The CrystaSulf process removes H2S from gas streams and is targeted at the mid-size sulfur recovery niche. CrystaSulf converts H2S into elemental sulfur using nonaqueous chemistry.​
Picture of the CD cover of the GRI-GLYCalc software.

GRI-GLYCalc™ Software Version 4.0
GTI Product Sales (reports, software and self-guided training)
Available since 2000, GRI-GLYCalc™ Version 4.0 is still a bestseller. It is a Windows®-based program for estimating air emissions from glycol units using triethylene glycol (TEG), diethylene glycol (DEG) or ethylene glycol (EG). The software can help users to comply with the Oil and Natural Gas Production (ONG) and Natural Gas Transmission and Storage (T&S) MACT standards.

GLYCalc can be used to help identify units that may require rigorous sampling to determine the need for emission control. It can also be used to predict the impact of combustion devices and condensers on emission rates. This new version of the program has all the capabilities of its predecessors and incorporates several new features, including: calculation of emissions from DEG units; creation and maintenance of a MACT compliance database; explicit flash gas control options; preparation of a condenser performance curve; prediction of an overall annual performance of an air-cooled condenser at a given geographical location; choice of U.S. standard or metric units of measure; new reports; and compatibility with AIRCalc 1.0. GRI-GLYCalc is compatible with Windows 2000/XP/Vista/7 on 32-bit and 64-bit machines.​


Contact us: energy.conversion@gastechnology.org