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Third tour stop added to Pacific West biomass conference

By Lisa Gibson | December 15, 2010

Besides the Seattle Steam combined-heat-and-power plant (CHP) and Qualco Energy’s anaerobic digestion facility, the tour corresponding with the Pacific West Biomass Conference & Trade Show Jan. 10-12 in Seattle, Wash., will also feature a CHP plant operated by Kimberly Clark in Everett, Wash.

The city lies about 25 miles north of Seattle and is home to the Everett Mill Utilities Complex, a cogeneration boiler with a 52-megawatt generator, a recovery boiler and three auxiliary boilers. The CHP plant, owned by the Snohomish County Public Utility District (PUD), provides steam and process heat for a Kimberly Clark mill that manufactures pulp and tissue products for brand names including Kleenex, Huggies, Cottonelle, Scott and Viva. It also contributes electricity to the grid.  

In 1993, PUD and the mill, then owned by Scott Paper, constructed the $115 million cogeneration plant with a screw-fed, sloping grate wood boiler. Five groups of three screws each feed the wood into the boiler. Feedstock includes mill residues such as bark and hogged wood, along with waste liquors and urban wood waste such as pallets and land clearing debris.The plant has a fuel receiving and storage system capable of handling wood wastes in a range of sizes.

The tours will be held Jan. 10 from 8 a.m. to 3 p.m. For more information or to register for the conference, visit http://pacificwest.biomassconference.com.

 

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