Main Title |
Fuel Oil Reburning Application for NOx Control to Firetube Package Boilers. |
Author |
Mulholland, J. A. ;
Hall, R. E. ;
|
CORP Author |
Environmental Protection Agency, Research Triangle Park, NC. Air and Energy Engineering Research Lab. |
Year Published |
1985 |
Report Number |
EPA/600/D-85/262; |
Stock Number |
PB86-118825 |
Additional Subjects |
Air pollution control ;
Fuel oil ;
Nitrogen oxides ;
Firetube boilers ;
Pilot plants ;
Industrial wastes ;
Combustion products ;
Oxidation reduction reactions ;
Reaction kinetics ;
Flammability tests ;
Reburning processes ;
Combustion modification ;
Chemical reaction mechanisms ;
Stationary sources
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB86-118825 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
30p |
Abstract |
The paper discusses retrofitting two 1.0 MW (3.5 million Btu/hr) firetube package boilers for fuel oil reburning application for NOx emission control. An overall NOx reduction of 46% from an uncontrolled emission of 125 ppm (dry, at 0% O2) was realized by diverting 20% of the total boiler load to a distillate-fuel-oil-fired second stage burner; a 51% NOx reduction from 265 ppm was achieved in a distillate/residual fuel oil mixture (0.14% nitrogen content) reburning application. Nitrogen-free fuel oil reburning was found to be slightly more effective at reducing NOx than natural gas reburning, although longer fuel-rich zone residence times were required to allow for evaporation and mixing of the fuel oil droplets. The key parameters investigated, that impact the reburning process, were: primary flame NOx, reburn zone stoichiometry, and reburn zone residence time. Reburning applied to firetube package boilers requires minimal facility modification. |
PUB Date Free Form |
Oct 85 |
Category Codes |
7D; 21B; 68A; 99F; 81A |
NTIS Prices |
PC A03/MF A01 |
Primary Description |
600/13 |
Document Type |
NT |
Cataloging Source |
NTIS/MT |
Control Number |
601717401 |
Origin |
NTIS |
Type |
CAT |