Flue Gas Water Vapor Latent Heat Recovery for Pressurized Oxy-Combustion Email Page
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Performer:  Gas Technology Institute (GTI) Location:  Des Plains, Illinois
Project Duration:  09/01/2015 – 08/31/2018 Award Number:  FE0025350
Technology Area:  Advanced Combustion Systems Total Award Value:  $2,648,945
Key Technology:  Oxy-Combustion DOE Share:  $1,999,795
Performer Share:  $649,150

Transport Membrane<br/>Condenser (TMC) Concept
Transport Membrane
Condenser (TMC) Concept

Project Description

This project will be conducted by the Gas Technology Institute (GTI) with support from Media & Process Technology, Inc. (M&P); SmartBurn LLC; and Florida International University (FIU). GTI has developed and patented the Transport Membrane Condenser (TMC) latent heat and water recovery technology—based on a nanoporous ceramic separation membrane—that extracts water vapor from flue gases. Water vapor in the flue condenses and passes through the membrane producing high purity water, and the associated latent heat of condensation can be directly added to the boiler feed water stream. Contaminants and permanent gas components such as carbon dioxide (CO2), oxygen, nitrogen oxides, and sulfur oxides are inhibited from passing through the membrane by its high selectivity. In this project, GTI and development partner M&P will adapt the TMC design for pressurized oxy-combustion utility boilers currently under development. GTI’s pilot-scale fluidized-bed coal gasifier/combustor will be prepared for oxy-combustion operation mode and installation of the TMC. Testing will precisely simulate coal flue gas conditions in a slurry-fed pressurized oxy-combustion boiler. M&P will conduct membrane development work specifically for this high-pressure high-moisture application, and FIU will assist GTI with the new TMC design simulation and performance optimization. SmartBurn LLC will provide expertise and detailed information on power plant operation and analysis for integrating the TMC technology into the plant water use loop, plus a techno-economic analysis for its integration into a power plant. This work builds on previous DOE contracts DE-FE0024092 and NT0005350.

Project Benefits

The technology being developed by the GTI team can recover both low grade heat and high-purity water from flue gas and reuse it as boiler feed water. It is expected the recovered water will exceed the boiler fresh makeup water requirement, and thus can be used for other purposes. This technology improves the energy efficiency of the power plant by safely and effectively transferring heat to the steam condensate resulting in higher efficiency, which results in lower fuel costs and reduced CO2 emissions. An additional benefit is a reduction in the cost of ash disposal.

Presentations, Papers, and Publications

Contact Information

Federal Project Manager Steven Markovich: steven.markovich@netl.doe.gov
Technology Manager John Rockey: john.rockey@netl.doe.gov
Principal Investigator Dexin Wang: dexin.wang@gastechnology.org