SECOND GENERATION ADVANCED REBURNING FOR HIGH EFFICIENCY NOx CONTROL

Technical Report · Thu Jul 30 04:00:00 EDT 1998

DOI:https://doi.org/10.2172/7932· OSTI ID:7932

This project is designed to develop a family of novel NO{sub x} control technologies, called Second Generation Advanced Reburning which has the potential to achieve 90+% NO{sub x} control in coal fired boilers at a significantly lower cost than SCR. The third reporting period in Phase II (April 1--June 30, 1998) included experimental activities at pilot scale and comparison of the results with full-scale data. The pilot scale tests were performed with the objective of simulating furnace conditions of ongoing full-scale tests at the Greenidge boiler No. 6 owned and operated by NYSEG and defining the processes controlling AR performance to subsequently improve the performance. The tests were conducted in EER' s Boiler Simulator Facility. The main fuel pulsing system was used at the BSF to control the degree of unmixedness, thus providing control over furnace gas O{sub 2} and CO concentrations. Results on AR-Lean, presented in the previous quarterly report, were compared with full-scale data. Performance of reburn+SNCR was tested to predict NO{sub x} control at Greenidge. The results of the BSF reburn+SNCR simulation tests demonstrated that there are synergistic advantages of using these two technologies in series. In particular, injection of overfire air provides additional mixing that reduces negative effects on AR performance at the temperature regime of the Greenidge boiler.

• Research Organization: Federal Energy Technology Center, Morgantown, WV (US); Federal Energy Technology Center, Pittsburgh, PA (US)
• Sponsoring Organization: US Department of Energy (US)
• DOE Contract Number: AC22-95PC95251
• OSTI ID: 7932
• Report Number(s): DE--AC22-95PC95251--11
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
AIR
BOILERS
COAL
EFFICIENCY
FURNACES
NITROGEN OXIDES
PERFORMANCE
SIMULATION
SIMULATORS