SCR Catalyst Management - Wpca.info

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<strong>Catalyst</strong> PitchPitch = center to center distance from one plate/wall to the nextpitchpitchPlate-Type Structure• Flexible plates• Rectangular Openings• Pitch: 5 mm to 7 mmHoneycomb Structure• Rigid structure• Square openings• Pitch: 6.7 mm to 9.2 mm9
Pitch Selection vs Dust LoadDust Loadgr/dscf12PlatePitch5.0 mm5.5 mm6.0 mm6.2 mm6.5 mmHoneycombPitch6.7 mm (22 Cell)7.4 mm (20 Cell)8.2 mm (18 Cell)9.2 mm (16 Cell)NA10
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: Honeycomb CatalystComposition• Ho
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 and 24: Catalyst Management Plan (CMP)• S
Page 25 and 26: Activity Monitoring• Routine cata
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

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