Cost Analysis and Economic Assessment of Proposed Electric-Discharge Non-Thermal Plasma Processes for NOX Removal in Jet-Engine Exhaust: White Paper for SERDP Project CP-1038

Incentives for implementing new pollution-control technologies are both regulatory and economic. Given considerable regulatory pressure, new de-NOx technologies are being explored. One major reason for this is that conventional de-NOx methods will not work effectively for the low NO concentrations (...

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Bibliographic Details
Main Authors: Rosocha, Louis A, Chang, Jen-Shih, Urashima, Kuniko, Kim, Seock J, Miziolek, Andrzej W
Format: Report
Language:English
Subjects:
Air Pollution and Control
Combustion and Ignition
COST ANALYSIS
EMISSION CONTROL
JET ENGINE EXHAUST
JET ENGINES TEST CELLS
JETC(JET ENGINE TEST CELL)
NITROGEN OXIDES
NONTHERMAL PLASMA TECHNOLOGY
Plasma Physics and Magnetohydrodynamics
POLLUTION ABATEMENT
REGULATIONS
SERDP COLLECTION
SERDP(STRATEGIC ENVIRONMENTAL RESEARCH AND DEVELOPMENT PROGRAM)
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Summary:Incentives for implementing new pollution-control technologies are both regulatory and economic. Given considerable regulatory pressure, new de-NOx technologies are being explored. One major reason for this is that conventional de-NOx methods will not work effectively for the low NO concentrations (e.g., < 50 ppm), high exhaust gas flow rates, and low gas temperatures characteristic of Jet Engines Test Cells (JETCs). This project is currently evaluating non-thermal plasma (NTP) technologies for treating jet-engine exhaust. In the past, economic analysis for NTP de-NOx has shown that it is not cost effective, compared to other techniques. One might accept a high-cost system, if it can provide a function or functions that other (conventional) technologies cannot. However, it would certainly be better if a new technology could function as well or better than a conventional technology and do so at competitive costs. In this White Paper, we have analyzed the costs of some NTP technologies for jet-engine emissions control. In some cases, these analyses have shown lower exhaust-gas treatment costs for NTP systems compared to a baseline standard de-NOx technology like SCR combined with wet scrubbing. Therefore, the main conclusion of this White Paper is that completing this project's work through the small field-pilot demonstration phase should proceed to provide further data and operating experience to more fully evaluate economic and performance projections for NTP de-NOx technology. Prepared in collaboration with McMaster Univ., Hamilton (Ontario), Canada and Army Research Lab., Washington, DC.