CFB boiler for Great River Energy CHP

Babcock & Wilcox Power Generation Group, Inc has been awarded a contract valued at more than $70 million to design, fabricate and supply a circulating fluidized bed (CFB) boiler and emissions control equipment for Great River Energy's Spiritwood Station.

The CHP plant, near Spiritwood, in North Dakota, USA, will generate 356,000 kg of steam per hour for use by an adjacent malt plant owned by Cargill Malt. The steam may also be used for the operation of Newman Group's proposed Spirit Ethanol plant, to be located near the site.

Additional steam produced by the 99 MW thermal cogeneration facility will be used to generate approximately 56 MWe for export to the regional transmission grid.

The CFB boiler will be designed to burn lignite.
B&W will also design, fabricate and supply an air quality control system, including a pulse jet fabric filter baghouse for particulate control, a spray dry absorber (SDA) flue gas desulphurisation system and a selective non-catalytic reduction (SNCR) system for NOx control.
B&W PGG's Diamond Power International, Inc. subsidiary will supply the plant's sootblower, while Diamond Power's Allen-Sherman-Hoff division will supply the ash transfer system.

Commercial operation of Spiritwood is scheduled to begin in March 2010.

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