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086 0 |a E 1.99:conf-911051-2 
086 0 |a E 1.99:conf-911051-2 
245 0 4 |a The development of an ultra-low-emission gas-fired cyclonic combustor  |h [electronic resource] 
260 |a Oak Ridge, Tenn. :  |b United States. Dept. of Energy. Technical Information Center ;  |a Oak Ridge, Tenn. :  |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,  |c 1991. 
300 |a Pages: (17 p) :  |b digital, PDF file. 
336 |a text  |b txt  |2 rdacontent. 
337 |a computer  |b c  |2 rdamedia. 
338 |a online resource  |b cr  |2 rdacarrier. 
500 |a Published through the Information Bridge: DOE Scientific and Technical Information. 
500 |a 01/01/1991. 
500 |a "conf-911051-2" 
500 |a "TI92002490" 
500 |a International conference on environmental control of combustion processes, Honolulu, HI (United States), 7-10 Oct 1991. 
500 |a Khinkis, M.J.; Coppin, W.P.; Xiong, Tian-yu. 
520 3 |a A gas-fired cyclonic combustor has been developed for relatively low-temperature direct-air heating applications that require ultra-low pollutant emissions. High-lean premixed combustion with a flame stabilizer is adopted to achieve ultra-low emissions and high turndown operation. On the basis of analytical studies and cold modeling, a 350-kW test combustor was designed and successfully tested. Experimental results obtained using natural gas and ambient air demonstrated that the test combustor can operate steadily at high excess air up to 80% to 100% over a large turndown range up to 40:1. At design operating conditions, NOₓ emissions as low as 0.6 vppm and CO and total hydrocarbon (THC) emissions below 3 vppm were achieved. Over the full operating range, NOₓ emissions from 0.3 to 1.0 vppm and CO and THC emissions below 4 vppm were demonstrated. In all tests, concentrations of NO₂ were less than 40% of the total NOₓ emissions -- lower than the level of NO₂ emissions from combustion processes required for good indoor air quality (0.5 vppm). This paper presents the concept of high-lean premixed ultra-low-emission cyclonic combustion, design specifications for the combustion system, and the major experimental results, including flame stability, emissions, and turndown performance. 13 refs., 12 figs., 1 tab. 
650 7 |a Nitrogen Dioxide.  |2 local. 
650 7 |a Design.  |2 local. 
650 7 |a Natural Gas.  |2 local. 
650 7 |a Organic Compounds.  |2 local. 
650 7 |a Carbon Monoxide.  |2 local. 
650 7 |a Gas Fuels.  |2 local. 
650 7 |a Pollution Abatement.  |2 local. 
650 7 |a Testing.  |2 local. 
650 7 |a Fuel Gas.  |2 local. 
650 7 |a Oxygen Compounds.  |2 local. 
650 7 |a Carbon Compounds.  |2 local. 
650 7 |a Fuels.  |2 local. 
650 7 |a Fluids.  |2 local. 
650 7 |a Cyclone Combustors.  |2 local. 
650 7 |a Energy Sources.  |2 local. 
650 7 |a Gases.  |2 local. 
650 7 |a Air Pollution Abatement.  |2 local. 
650 7 |a Fossil Fuels.  |2 local. 
650 7 |a Carbon Oxides.  |2 local. 
650 7 |a Nitrogen Oxides.  |2 local. 
650 7 |a Nitrogen Compounds.  |2 local. 
650 7 |a Combustors.  |2 local. 
650 7 |a Oxides.  |2 local. 
650 7 |a Hydrocarbons.  |2 local. 
650 7 |a Chalcogenides.  |2 local. 
650 7 |a Energy Conservation, Consumption, And Utilization.  |2 edbsc. 
710 2 |a Institute of Gas Technology.  |4 res. 
710 1 |a United States.  |b Department of Energy.  |b Technical Information Center.  |4 res. 
710 1 |a United States.  |b Department of Energy.  |b Office of Scientific and Technical Information.  |4 dst. 
856 4 0 |u http://www.osti.gov/servlets/purl/6008536-uE0pTX/  |z Online Access 
907 |a .b59887990  |b 03-06-23  |c 05-27-10 
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952 f f |p Can circulate  |a University of Colorado Boulder  |b Online  |c Online  |d Online  |e E 1.99:conf-911051-2  |h Superintendent of Documents classification  |i web  |n 1