ISA 77.82.01
Selective Catalytic Reduction (SCR) Control Systems
active, Most Current
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| Organization: | ISA |
| Publication Date: | 3 June 2019 |
| Status: | active |
| Page Count: | 54 |
scope:
This standard will address the control functions associated with the selective cataly tic 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, amm onia storage and delivery system control, and catalyst cleaning systems. Urea to ammonia systems are excluded from the scope of this document.
Document History
ISA 77.82.01
June 3, 2019
Selective Catalytic Reduction (SCR) Control Systems
This standard will address the control functions associated with the selective cataly tic reduction systems on fossil-fired steam boilers greater than 200,000 lbs/hr and combustion turbines greater...
January 17, 2011
Selective Catalytic Reduction (SCR) Control Systems
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...