Integration of Ion Transport Membrane Technology with Oxy-Combustion ...€¦ · • Single-stage high purity oxygen • All layers composed of the same ceramic material • Extremely
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Integration of Ion Transport Membrane Technology with Oxy-Combustion Power Generation Systems
Merrill Quintrell – Electric Power Research Institute ([email protected]) E P Ted Foster – Air Products and Chemicals Inc. ([email protected]) 2nd International Oxyfuel Combustion Conference 12th–16th September 2011
• Air Products (AP) has been developing ITM since 1988 and the Department of Energy (DOE) has been a principal funder of the technology since 1998
• AP/DOE development program is currently in Phase 3, with goal to design, build, and test an ITM Intermediate-Scale Test Unit (ISTU)
– 90 tonnes/day (100 tons/day) integrated with 5-MWe turbomachinery system
– U.S. DOE NETL, AP, EPRI, and others are involved
• DOE awarded additional US$65 million for expanding Phase 3 and US$71.7 million for Phase 5 to install a ceramic fabrication plant and to prepare for a 1800 tonnes/day (2000 tons/day) pre-commercial scale facility
• EPRI initiated a power industry-led collaborative to support the program in 2009. Project funders received:
– Background on ITM: its ceramics, development, and production
– Detailed performance modeling and economic assessment of ITM applied to both IGCC and oxy-combustion
– Integration schemes for ITM into IGCC and oxy-combustion
– Quarterly web-casts and annual site visits (ceramics facility, AP HQ, pilot site)
– Current EPRI project ends September 2011 with a plan to extend it
• ITM Oxygen can contribute significantly to the overall power production of an oxy-combustion facility
• ITM Oxygen affords increased power cycle efficiency over cryogenic oxygen production
• At base-case fuel costs:
– Direct-fired ITM Oxygen cycles achieve 75% CO2 capture at 17% cost of electricity (COE) advantage over cryogenic oxygen cycles
– Oxy-fired ITM Oxygen cycles achieve 90% CO2 capture at equivalent COE to cryogenic oxygen-based cycles, but with 14% reduction in specific plant capital cost
• Lower natural gas costs increase the advantage of ITM Oxygen over cryogenic systems
Preliminary results with potential improvements in integration to come
Neither Air Products and Chemicals, Inc. nor any of its contractors or subcontractors nor the United States Department of Energy, nor any person acting on behalf of either:
1. Makes any warranty or representation, express or implied, with respect to the accuracy, completeness, or usefulness of the information contained in this report, or that the use of any information, apparatus, method, or process disclosed in this report may not infringe privately owned rights; or
2. Assumes any liabilities with respect to the use of, or for damages resulting from the use of, any information, apparatus, method, or process disclosed in this report.
Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Department of Energy. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Department of Energy.
Acknowledgment
This technology development has been supported in part by the U.S. Department of Energy under Contract No. DE-FC26-98FT40343. The U.S. Government reserves for itself and others acting on its behalf a royalty-free, nonexclusive, irrevocable, worldwide license for Governmental purposes to publish, distribute, translate, duplicate, exhibit and perform this copyrighted paper.