Development and Testing of Industrial Scale, Coal-Fired Combustion System: Phase 3. Page: 2 of 18
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In the first quarter of calendar year 1997, 17 days of combustor-boiler tests were performed,
including one day of tests on a parallel DOE sponsored project on sulfur retention in a slagging
combustor. Between tests, modifications and improvements that were indicated by these tests were
implemented. This brings the total number of test days to the end of February 1997 in the task 5
effort to 74 days. This compares with a total of 63 test days needed to complete the task 5 test effort,
and it completes the number of tests days required to meet the task 5 project plan. The key project
objectives in the areas of combustor performance and environmental performance have been
exceeded. With sorbent injection in the combustion gas train, NOX emissions as low as 0.07
lb/MMBtu and SO2 emissions as low as 0.2 lb/MMBtu have been measured in tests in this quarter.
Tests in the present quarter have resulted in further optimizing the sorbent injection and NOx control
processes. A very important milestone in this quarter was two successful combustor tests on a very
high ash (37%) Indian coal. Work in the next quarter will focus on commercialization of the
combustor-boiler system. In addition, further tests on the NOX and SO2 control process and on the
Indian coal will be performed.
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Zauderer, B. Development and Testing of Industrial Scale, Coal-Fired Combustion System: Phase 3., report, April 21, 1997; United States. (https://digital.library.unt.edu/ark:/67531/metadc691588/m1/2/: accessed March 21, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.