I-NOx Integrated NOx Reduction Technology

Size: px

Start display at page:

Download "I-NOx Integrated NOx Reduction Technology"

Bryce Lester
5 years ago
Views:

1 July 14, 2016 I-NOx Integrated NOx Reductin Technlgy McIlvaine PacifiCrp Webinar N. 1

COMMERCIAL PRODUCTS Advanced Mdeling Services All Technlgies Cmbustin Technlgies, Targeted In- Furnace Injectin fr Slag and Fuling Cntrl Pst Cmbustin Technlgies SCR Design and Catalyst Management

Straightening Grid HERT : SNCR system using high energy injectrs LNB: Lw NOx Burners NOxOUT : SNCR system using high mmentum injectrs ULTRA : Urea-based ammnia generatin system fr SCR SCR: Selective

2 COMMERCIAL PRODUCTS Advanced Mdeling Services All Technlgies Cmbustin Technlgies, Targeted In- Furnace Injectin fr Slag and Fuling Cntrl Pst Cmbustin Technlgies SCR Design and Catalyst Management Services Reagent Systems fr SNCR and SCR (ULTRA ) Fuel Tech Technlgies ASCR Advanced SCR: System which cmbines LNB + OFA + SNCR + AIG + GSG + Catalyst AIG: Ammnia Injectin Grid GSG : Graduated Straightening Grid HERT : SNCR system using high energy injectrs LNB: Lw NOx Burners NOxOUT : SNCR system using high mmentum injectrs ULTRA : Urea-based ammnia generatin system fr SCR SCR: Selective Catalytic Reductin SNCR: Selective Nn-Catalytic Reductin SCR Services: Selective Catalytic Reductin Services which include: ptimizing prcess design, catalyst selectin, and imprving the verall perfrmance f SCR Static Mixer: Equipment used t mix temperature, velcity, and NOx t ptimize SCR perfrmance ahead f the AIG TIFI Targeted In-Furnace Injectin : Chemical Injectin Prgrams used t target slag cntrl SO 3 mitigatin, and fuel flexibility Flue Gas Flw Trubleshting & Ash Mitigatin Nn-Fuel Tech Supplied Baghuse: Cntrls Particulate Matter (PM) frm flue gas ESP: Electrstatic Precipitatr fr PM Cntrl Wet FGD: Scrubber t maximize SO 2 remval using Flue Gas De-Sulfurizatin (FGD) Dry FGD: Scrubber t remve SO 2 with less water than Wet FGD ESP Rebuild and Flue Gas Cnditining Systems CONFIDENTIAL 2

3 FUEL TECH S I-NOx TECHNOLOGY Cmbustin Mdificatins Lw NOx Burners and Over Fire Air fr Wall Fired Units Cmbustin Mdificatins and Separated Over Fire Air fr T-Fired Units Additinal Mdificatins and Cmbustin Tuning t Reduce NOx Further Selective Nn-Catalytic Reductin f NOx (SNCR) In-Furnace Injectin Furnace is Reactr Lw Capital Cst Additinal NOx Reductin / Optimized Reagent Cnsumptin when Cmbined w/ascr ASCR Advanced Selective Catalytic Reductin f NOx Single Layer f Catalyst Where Applicable In-Duct Arrangement with Prper Flw and Ash Distributin Cmbining Multiple Technlgies Requires Technical Knw-Hw and Cmmercial Experience CONFIDENTIAL 3

4 I-NOx CHALLENGES AND BENEFITS Design Must Be Truly Integrated: SNCR Design Must Accunt fr Cmbustin Output and Varying Operatinal Cnditins f Typical Biler SCR Design Must Accunt fr SNCR Output and Varying Operatinal Cnditins f the In-Furnace Cmbustin and SNCR Systems as Biler Cnditins Fluctuate Challenges: Benefits: Physical Space Limitatins fr In-Duct Reactr Highly Maldistributed NOx and NH 3 frm Biler Increased SCR Velcity Due t Restrictins in Catalyst Installatin Space Bth Require Expert Knwledge in the Design f All f the Technlgies being cmbined Cmputatinal and Experimental Fluid Dynamics Mdeling Cupled with Flw Distributin Device Optimizatin Integrated Technlgies Prvide Lwer Capital Cst w/ NOx Reductins Ranging frm 50 80% Optimized Reagent Cnsumptin, Lwer dp, Reduced Catalyst Replacement, Lwer SO 2 - SO 3 Oxidatin, Lwer Minimum Operating Temperatures, Etc. 4

5 FUEL TECH I-NOx COMMERCIAL EXPERIENCE Reliant Energy Seward Statin (1999) 147 MW T-Fired Unit SNCR + SCR, 55% NOx Reductin AES Greenidge (2005) 115 MW T-Fired Significantly Imprved Chemical Utilizatin w/ascr Cmbustin Mdificatins + SNCR + ASCR, >60% NOx Reductin China Light and Pwer Castle Peak (2010) Fur (4) 680 MW Wall Fired Units Bsted OFA, ASCR, and ULTRA Urea Cnversin ASCR Prvided 40% NOx Reductin China Steel Crpratin, Taiwan (2014) Three (3) 80 MW T-Fired Units Fur (4) Sub-Systems Deplyed Cmbustin Mdificatins, New SOFA System, SNCR, and ASCR > 78% Ttal NOx Reductin CONFIDENTIAL 5

6 Questin & Answer - Thank Yu

Advancements in Activated Carbons

Advancements in Activated Carbns Sheila Glesmann SVP Envirnmental and External Affairs McIlvaine Ht Tpic Hur New Develpments in Pwer Plant Air Pllutin Cntrl July 11, 2013 1 1990s Multiple-pllutant cntrl