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Review of Doe’s Vision 21 Research and Development Program—Phase I
opment of the enabling technologies. A thorough understanding of the operation and maintenance of Vision 21 plants is essential in the focus and prioritization of the sensors and controls projects.
Recommendation. The Vision 21 Program in sensors and controls should continue the strategies it laid out for meeting the technical needs identified at the April 2001 Vision 21 workshop. A systems analysis approach to quantifying the potential impacts of these sensors and controls projects on operation and maintenance (O&M) costs and plant capital cost should be used in the selection of future projects. More slipstream demonstration projects should be implemented in existing gasification demonstration plants.
The commercial viability of Vision 21 technologies will be highly dependent on the development of cost-effective advanced materials for oxygen separation membranes, gasifiers, high-temperature heat exchangers, high-temperature refractory, hydrogen separation membranes, seals and electrodes for fuel cells, thermal barrier coatings, blades and gas flow path for turbines, and ultra-high-temperature and high-pressure materials for advanced power generation. The challenge this presents is even more severe when coal rather than natural gas is the feedstock. As a result, the success of the Vision 21 Program will depend directly on the timely development, demonstration, and commercialization of advanced, cost-competitive, reliable materials and high-temperature corrosion-resistant coatings for the critical components within the various technologies. The information collected by the committee on the materials program was largely gathered from presentations to the committee at its meetings16 as well as written answers from NETL in response to committee questions.17
Goals and Milestones
DOE has developed a roadmap that aligns the materials R&D program with the overall goals of Vision 21. This was accomplished by having the materials R&D elements (joining, materials design, modeling, mechanical properties, material characterization, synthesis and processing/fabrication, and corrosion/erosion studies) aligned with the materials technologies (coatings/protection materials,
Romansky, NETL, “Advanced Research Vision 21 Materials Program,” Presentation to the committee on May 20, 2002.
L. Ruth, NETL, written answers to questions from the committee, July 12, 2002.