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Zweibruecken Works Building Biomass Heating System

(June 26, 2008) – John Deere's Zweibruecken Works has begun construction of a biomass heating system, the first of its kind at a European John Deere manufacturing unit.

The system will use wood chips from pallets received with inbound material, rapeseed cake (a by-product of the production of rapeseed oil), fast-growing trees, and forest residue. It will generate energy to heat facilities, air-condition offices, and provide heat for various manufacturing processes.

"With this new biomass heating system we will be able to save approximately 250,000 liters of mineral oil annually and reduce our carbon dioxide output by 3,700 tons," said Klaus Wottke of Zweibruecken Works.

The system will include a boiler house with 6.3 MW and 1.75 MW boilers to accommodate varying energy needs throughout the year, a new piping system, and heaters. It will replace the factory's 40-year-old existing heating system. The boilers will consume about 4,000 tons of wood chips per year. To meet stringent EU regulations, the system will use state-of-the-art particulate filters to ensure emissions do not exceed 50 milligrams per cubic meter of exhaust air.

The new system is expected to be ready for operation before a scheduled August 30-31 open house and renewable energy exhibition at Zweibruecken Works.




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