SCR Catalyst Management - Wpca.info

More documents

Recommendations

Info

CMP, 2 + 1 ExampleRelative ReactorPotentialNH 3 slip(ppm)1.00.8Minimum potential forDeNOx, NH3 sliprequirements0.620.410.20 20,000 40,000 60,000 80,000 100,000Operating Time (h)23
Activity Monitoring• Routine catalyst activity testing• Once per year (typically)• Pull samples from each installed catalyst layer• Determine relative activity compared to fresh catalyst• Determine rate of catalyst deactivation• Predict when reactor potential reaches minimum level• Verify or adjust CMP schedule24
Page 1 and 2: Ameren SeminarAugust 19-20, 2008Eff
Page 3 and 4: Agenda• SCR Catalyst Basics• Ba
Page 5: Quick Review of SCR BasicsFlue Gas:
Page 9 and 10: Honeycomb CatalystComposition• Ho
Page 11 and 12: Pitch Selection vs Dust LoadDust Lo
Page 13 and 14: Catalyst Design Considerations• S
Page 15 and 16: Catalyst Deactivation MechanismsMas
Page 17 and 18: Relative Activity, kt/k0• Initial
Page 19 and 20: SO2 Oxidation - Influence of V2O55R
Page 21 and 22: Catalyst ManagementCeramics
Page 23: Catalyst Management Plan (CMP)• S
Page 27 and 28: Pros/Cons for CMP OptionsCMP Action
Page 29 and 30: Catalyst Mixing• Standardized mod
Page 31 and 32: Plant Operation Considerations• C

SCR Catalyst Management - Wpca.info

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?