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This standard will address the control functions associated with the selective catalytic reduction systems on fossil-fired steam boilers greater than 200,000 lbs/hr and combustion turbines greater than 25 megawatts. This includes the outlet NOx control using ammonia flow control, startup and shutdown logic,bypass/isolation logic, dilution air system control, ammonia storage and delivery system control, and catalyst cleaning systems. Urea to ammonia systems are excluded from the scope of this document.
Author | ISA |
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Editor | ISA |
Document type | Standard |
Format | Paper |
ICS | 27.060.30 : Boilers and heat exchangers
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Number of pages | 52 |
Cross references | ANSI/ISA 77.82.01 (2011), IDT |
Weight(kg.) | 0.1884 |
Year | 2011 |
Document history | |
Country | USA |
Keyword | ISA 77,ISA-77,77,ANSI/ISA-77.82.01-2011, ISA77,77,ANSIISA7782012011,ISA778201,ISA7782,7782,778201 |