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Chad

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Very cool idea -- powering the brewery & providing steam for the kettles using spent grain as fuel. I hope US brewers are exploring options like this.

Wärtsilä Delivers World's First BioPower Plant Using Brewery Spent Grain to Produce Electricity and Heat

HELSINKI, March 3/PRNewswire/ -- Wärtsilä has been awarded two contracts by Scottish and Newcastle (S&N), the major international brewing group, to supply and install equipment for two biomass-fuelled combined heat and power plants (CHP). The contracts are for two CHP plants to be located on the premises of the company's UK breweries in Manchester, for which the order was received in the end of 2007, and Tadcaster, for which the order was received in the beginning of 2008.

These Wärtsilä BioPower plants will be the first power plants in the world ever to produce, with high efficiency, both electricity and heat using spent grain as fuel. Spent grain is a by-product of the brewing process.

The Wärtsilä solution represents a major step towards sustainable energy self-suffiency for the brewing industry. At the same time, these BioPower plants will help the UK meet its target of having renewables power 10% of the country's electric supply by 2010.

The CHP plants will each have a thermal output of 7.4 MWth and an electrical output of 3.1 MWe. The plants, which will burn a mixture of spent grain and wood chips from local sources, are due to start operations in the first and second quarters of 2009, producing steam and electricity for the breweries' processes and exporting excess electricity to the local electricity network. S&N will earn Renewable Obligation Certificates (ROC's) for its production of renewable electricity.
Chad
 

jmiracle

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good for them, I hope more breweries can use this as a model to at least reduce energy costs and waste
 

david_42

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Spent grain is a valuable, high-protein animal food. Burning it is a little like making small amounts of automobile fuel out of large amounts of corn. Oh, right! We do that too.
 

jmiracle

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david_42 said:
Spent grain is a valuable, high-protein animal food. Burning it is a little like making small amounts of automobile fuel out of large amounts of corn. Oh, right! We do that too.
That is a good point, I've been reading Brew Like A Monk and it seems like a lot of the abbeys have arrangements with surrounding farms to use their spent grain. As long as it's not going to waste either way it's cool...
 
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