Colorado Energy Nations Natural Gas Retrofit of Industrial (Cogeneration) Boiler

摘要

1. 2009: Colorado: Regional Haze (esp. BART) redo! (1) Other regulations uncertain: Boiler MACT, CCR, SO_2 NAAQS (2) Natural Gas may become cost effective fuel choice (over coal) 2. Original NG Driver... (1) Provide business flexibility ($ to install coal control vs. $ to use NG; fuel $ savings) (2) Decreasing plant load (economy, re-organization of host facility operations) (3) Leverage fuel flexibility toward meeting our environmental requirements, without giving up the possibility of continued full or partial coal combustion (4) B4 already 100% NG capable (in addition to 100% coal) 3. 2010... (1) Regional Haze: NO_x BART on Boilers 4 & 5 to be individual limits OR combined emission limit (2) Limit is based on "coal" BART analysis - does NOT mandate how we meet this limit.