Enhancing the use of coals by gas reburning-sorbent injection. Quarterly report No. 22, January 1--March 31, 1993 [electronic resource]
The objective of this project is to evaluate and demonstrate a cost effective emission control technology for acid rain precursors, oxides of nitrogen (NOₓ) and sulfur (SOₓ)on two coal fired utility boilers in Illinois. The units selected are representative of pre-NSPS design practices: tangential a...
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Online Access |
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| Corporate Authors: | , |
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Morgantown, W.Va. : Oak Ridge, Tenn. :
National Energy Technology Laboratory (U.S.) ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
1993.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Enhancing the use of coals by gas reburning-sorbent injection. Quarterly report No. 22, January 1--March 31, 1993 |h [electronic resource] |
| 260 | |a Morgantown, W.Va. : |b National Energy Technology Laboratory (U.S.) ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, |c 1993. | ||
| 300 | |a 15 p. : |b digital, PDF file. | ||
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| 500 | |a 04/15/1993. | ||
| 500 | |a "doe/pc/79796--t32" | ||
| 500 | |a "DE93013066" | ||
| 500 | |a USDOE, Washington, DC (United States);Illinois State Government, Springfield, IL (United States);Gas Research Inst., Chicago, IL (United States) | ||
| 513 | |a Quarterly; |b 01/01/1993 - 03/31/1993. | ||
| 520 | 3 | |a The objective of this project is to evaluate and demonstrate a cost effective emission control technology for acid rain precursors, oxides of nitrogen (NOₓ) and sulfur (SOₓ)on two coal fired utility boilers in Illinois. The units selected are representative of pre-NSPS design practices: tangential and cyclone fired. The specific objectives are to demonstrate reductions of 60 percent in NOₓ and 50 percent in SOₓ emissions, by a combination of two developed technologies, gas reburning (GR) and sorbent injection (SI). With GR, about 80--85 percent of the coal fuel is fired in the primary combustion zone. The balance of the fuel is added downstream as natural gas to create a slightly fuel rich environment in which NOₓis converted to N₂. The combustion process is completed by overfire air addition. SOₓ emissions are reduced by injecting dry sorbents (usually calcium based) into the upper furnace. The sorbents trap SOₓ as solid sulfates that are collected in the particulate control device. This project is conducted in three phases at each site: (1) Design and Permitting, (2) Construction and Startup, and (3) Operation, Data Collection, Reporting and Disposition. Technology transfer to industry is accomplished through the formation of an industry panel. Phase I of the project commenced on June 5, 1987. Phases I and II have been completed and Phase III is now in progress at both sites. In phase AIII at Hennepin - Testing, Data Collection, Reporting and Disposition - Gas Reburning runs were made that indicate as high as 77% reduction in NO₂ emission using about 18% gas. Gas Reburning - Sorbent Injection test results indicated as high as 62% reduction in SO₂. These results are- significantly higher than the project emission reduction goals of 60% NO₂ and 50% S0₂ and provide a wide safety margin for maintaining the 60% and 50% emission reductions during long term routine testing. | |
| 536 | |b FC22-87PC79796. | ||
| 650 | 7 | |a Sulfur Dioxide. |2 local. | |
| 650 | 7 | |a Natural Gas. |2 local. | |
| 650 | 7 | |a Coal. |2 local. | |
| 650 | 7 | |a Staged Combustion. |2 local. | |
| 650 | 7 | |a Nitrogen Oxides. |2 local. | |
| 650 | 7 | |a Progress Report. |2 local. | |
| 650 | 7 | |a Air Pollution Control. |2 local. | |
| 650 | 7 | |a Sorbent Injection Processes. |2 local. | |
| 650 | 7 | |a Coal, Lignite, And Peat. |2 edbsc. | |
| 710 | 2 | |a Energy and Environmental Research Corporation. |4 res. | |
| 710 | 2 | |a National Energy Technology Laboratory (U.S.). |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
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