How to make greener whisky?

Jenbach, Austria, October 4, 2011 — GE announced an expansion with Scottish distilling icon William Grant & Sons to supply a combined heat and power solution with a Jenbacher J620 gas engine to the Grant's Girvan Distillery in Girvan, Scotland.

The J620 gas engine will create 3 MW of additional power while reusing the carbon dioxide typically emitted as waste during the manufacturing process, increasing plant efficiency and reducing the carbon footprint of the facility.

Operating on biogas (created from residual malt materials used in distillation to produce alcohol), the J620 will be the fourth Jenbacher gas engine onsite and will solidify Grant's as one of the cleanest and largest independent power producers in the region. GE will deliver the unit to William Grant & Sons this fall.

Grant's already has three J420 Jenbacher gas engines installed at the plant, with two commissioned in 2009 and one commissioned this summer. In total, the generation plant can generate about 7 MW.

The new engine, supplied to Grant's through Clarke Energy in Liverpool, has the ability to run at excess of 43 percent electrical efficiency operating on biogas. As such, the J620 enables customers to utilize local and abundant waste materials for independent power generation.

At Grant's, the J620, which will be operational early next year, will reuse the whisky wastewater (typically cast off as waste during the manufacturing process) to power the facility.

This, in turn, will reduce the waste generated during the distilling process and allow the facility to operate at increased efficiency. Meanwhile, the engine's exhaust also will be captured and recovered as thermal (heat) power to produce steam used in the distilling process.

William Grant & Sons Holdings Ltd. is an independent family-owned distiller headquartered in the United Kingdom and founded by William Grant in 1887. The company distils Scotch whisky, including Glenfiddich and The Balvenie, as well as Hendrick's Gin and Tullamore Dew Irish Whiskey.

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