Feasibility of reburning for controlling NOx emissions from Air Force jet-engine test cells. Final report, Oct 88-Apr 89
The objective of this study was to determine the technical and economic feasibility of reburning as a NOx control technique for Air Force jet engine test cells. Work included laboratory-scale testing of a prototype reburner, a preliminary reburn system design, and an estimate of capital and operating costs for a hypothetical JETC rated at 600 lb air/second. The study shows that 60 percent NOx reduction on a mass basis (80 percent on a lb/MBtu basis) can be achieved, but large NOx reductions require excessive amounts of reburning fuel (natural gas). Pressure loss across the reburner did not exceed 0.1 in. of water. Laboratory results suggested a full-scale reburner design rated at 150 million Btu/hr. Four reburners located in a separate combustion chamber downstream of the augmenter tube would be required for the hypothetical JETC. Capital cost for the retrofit was estimated to be $3 million; operating costs were $2 million/year based on 800 hours of testing per year at a constant reburning fuel flow rate (to minimize hydrocarbon as well as NOx emissions). Operating the reburner only at military and afterburner engine modes (NOx control only) could cut the operating cost by 50 percent. Reburner developments to minimize fuel usage would make the technology more attractive.
- Research Organization:
- PSI Technology Co., Andover, MA (United States)
- OSTI ID:
- 5838459
- Report Number(s):
- AD-A-242692/2/XAB; PSI--2075-TR-939; CNN: F08635-89-C-0064
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
330701* -- Emission Control-- Nitrogen Oxides
54 ENVIRONMENTAL SCIENCES
540120 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (1990-)
AFTERBURNERS
AIR POLLUTION ABATEMENT
BURNERS
CHALCOGENIDES
CHEMICAL REACTIONS
COCOMBUSTION
COMBUSTION
COMBUSTION CHAMBERS
COMBUSTION PRODUCTS
DESIGN
ECONOMICS
EMISSION
ENERGY SOURCES
ENGINES
EQUIPMENT
FEASIBILITY STUDIES
FLOW RATE
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
HYDROCARBONS
HYDROGEN COMPOUNDS
JET ENGINE FUELS
LABORATORIES
LOSSES
NATURAL GAS
NITROGEN COMPOUNDS
NITROGEN OXIDES
ORGANIC COMPOUNDS
OXIDATION
OXIDES
OXYGEN COMPOUNDS
POLLUTION ABATEMENT
POLLUTION CONTROL EQUIPMENT
RETROFITTING
TEST FACILITIES
THERMOCHEMICAL PROCESSES
WATER