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Title: Reducing NO{sub x} while maintaining boiler performance using constrained sequential optimization

Long Island Lighting Company (LILCO) utilizes boiler tuning as an integral part of their compliance strategy to meet the requirements of the Clean Air Act Amendments of 1990. A desirable tuning solution should not only be effective for minimizing NOx emissions but should also offer opportunities for improved thermal performance leading to cost savings and a rapid return on investment. Guided by these objectives, LILCO decided to apply a new EPRI co-developed technology described as Sequential Process Optimization (SPO) which makes possible readily identifiable reductions in NOx while constraining other emission and thermal performance parameters to avoid any adverse effects. Known as the ULTRAMAX Method this implementation of SPO consists of computer software and the supporting methodology which builds on existing boiler system knowledge and guides the operator through a sequence of control parameter adjustments to achieve ever-improving levels of performance. It is utilized during normal operations and can be applied to boiler systems of virtually any design. This paper describes the first application of this SPO technology to an oil-fired boiler system after many successes with coal-fired systems. NOx was reduced by about 30% from previously untuned baseline conditions at full load with less than two weeks of effort.more » The procedures and features of ULTRAMAX are also explained.« less
Authors:
 [1] ;  [2]
  1. Long Island Lighting Company, Melville, NY (United States)
  2. PowerMAX Service of Ultramax, Cincinnati, OH (United States)
Publication Date:
OSTI Identifier:
269406
Report Number(s):
EPRI-TR-105591; CONF-9410452-
TRN: 96:002766-0005
Resource Type:
Technical Report
Resource Relation:
Conference: 1994 fuel oil utilization workshop, Clearwater Beach, FL (United States), 12-13 Oct 1994; Other Information: PBD: Sep 1995; Related Information: Is Part Of Proceedings: 1994 fuel oil utilization workshop; Lange, H.B.; McDonald, B.L.; Drees, S.R. [Carnot, Tustin, CA (United States)]; PB: 275 p.
Research Org:
Electric Power Research Inst., Palo Alto, CA (United States); Carnot, Tustin, CA (United States)
Country of Publication:
United States
Language:
English
Subject:
20 FOSSIL-FUELED POWER PLANTS; 02 PETROLEUM; BOILERS; PERFORMANCE; FUEL OILS; COMBUSTION; NITROGEN OXIDES; AIR POLLUTION CONTROL; FOSSIL-FUEL POWER PLANTS; OPTIMIZATION