Copyright © 2006 Babcock Power Inc.All rights reserved www.babcockpower.com Turbosorp ® Circulating Fluidized Bed Scrubber Technology Rich Abrams Director.

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Presentation transcript:

Copyright © 2006 Babcock Power Inc.All rights reserved Turbosorp ® Circulating Fluidized Bed Scrubber Technology Rich Abrams Director of Business Development

Copyright © 2006 Babcock Power Inc.All rights reserved FGD Technologies Full range of technologies to fit the conditions Removal Efficiency Sulfur Loading SDA Turbosorp WFGD

Copyright © 2006 Babcock Power Inc.All rights reserved Turbosorp ® CFB FGD Process Ideally suited for coals with <3.0% S; ~ 6 lbs SO 2 per MBtu SO 2 removal efficiency typically 90%-97+% Reagent is lime Ca(OH) 2 or CaO High utilization of reagent By-product is sulfite/sulfate suitable for landfill First full-size plant 1994 Simple, reliable operation Babcock Power is exclusive US licensee

Copyright © 2006 Babcock Power Inc.All rights reserved Turbosorp ® Internal Solids Recirculation Enhances Reactions Very High Recirculation of Baghouse Solids Results in High Utilization of Lime

Copyright © 2006 Babcock Power Inc.All rights reserved Turbosorp ® - Advantages Lower total costs than DFGD (SDA) systems Lower reagent (and power) consumption than SDA systems at a given approach temperature Provides high efficiency even with high S fuels Conservative approach temperature Utilize waste water streams in the process Simple, reliable operation

Copyright © 2006 Babcock Power Inc.All rights reserved Typical Removal Efficiency SO 2 95 – 97 % SO 3 97 – 99.5 % HCl >98 – 99 % HF >98 – 99.5 % Turbosorp ® is Efficient

Copyright © 2006 Babcock Power Inc.All rights reserved AES Greenidge Turbo/Hybrid System 115 MW Unit 2.9% S Bituminous coal Hybrid NOx Reduction –Two levels of SNCR –In-duct reactor; single layer of catalyst Turbosorp System –95% Removal efficiency –Full lime hydration system –PAC addition for > 90% Hg removal In operation 12/06

Copyright © 2006 Babcock Power Inc.All rights reserved AES Greenidge Turbosorp

Copyright © 2006 Babcock Power Inc.All rights reserved SDA vs. Turbosorp ® SDA Simple and reliable High turndown Practical limit on SO2 removal efficiency achievable High lime and power consumption Requires high quality water source Limited on inlet SO2 concentration Turbosorp ® Simpler yet … no slurries; less maintenance High (>97%) SO 2 removal efficiency Independent control of water/lime Conservative approach temperature Conservative BH size Low lime and power consumption

Copyright © 2006 Babcock Power Inc.All rights reserved TURBOSORP  is a low capital and operating cost DFGD technology System sizes up to 300MW in a single vessel Significant savings in lime and power consumption compared to other dry FGD systems Able to use poor quality water in the system High removal efficiency of SO 2, SO 3, HCl, HF, and PM Results and Conclusions