by Lloyd Alter, Toronto on 07.25.08
Science & Technology (alternative energy)
Larger version of illustration at Globe and Mail
At a properly run farm, "nothing is waste. Everything is a resource. It's just a matter of harvesting." With 750 cows, Laurie Stanton's farm has a lot of manure to harvest. Martin Mittelstaedt writes in the Globe and Mail about Ontario's largest farm-biogas installation. It seems like the perfect solution to a big problem; there are only so many places to put the 50 million tonnes of "biomass", as it is politely called, that is produced each year in the province. Instead, it is fermented in a big tank, and the methane is collected and piped to a diesel generator. The leftover liquids make a good fertilizer and the solids become bedding for cows.
It is about time; in Germany, biogas produces as much energy as a large nuclear plant; here we just build mountains of manure.
From the Globe and Mail:
HOW WILL IT WORK
The province announced funding for a $5-million anaerobic digestion power plant at Laurie Stanton's dairy farm in the hopes that it will suggest a way of dealing with some of the nearly 50 million tonnes of biomass, or waste residues from plants and animals, that Ontario produces annually. If successful, Mr. Stanton's farm will produce about 1.3 megawatts, enough to power about 800 typical homes.
1. BARN: Slurry of manure is washed and scraped from cow stalls into a series of sewage pipes that run under the barn. The manure is mixed with other food wastes.
2. DIGESTER: The slurry is heated to around 37 degrees and kept at that level for the five days needed for the microbes to decompose the cow dung. This process gives off methane gas, which bubbles through the slurry and is collected at the top.
3. DIESEL GENERATOR: The gas runs to the generator, where it is burned to produce electricity to power the digester and the farm, and to feed into the grid.
4. SOLIDS SEPARATOR: Leftover liquids are used as fertilizer and the solids are strained to make a material to be used as bedding for the cows. ::Globe and Mail
More on Biogas in TreeHugger
Cow Poop -> Electricity: Biogas Project in California
Human Poop and Urine Provide Cheap Biogas Source in Uganda
Bio-Digesters in India: Nothing Wasted, A Lot More Gained
Bioenergy in Yunnan, China Video Podcast
Biogas Plant in Eastern Germany Will Be the World’s Largest
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Showing posts with label 6.8 MW power plant cow and horse manure. Show all posts
Showing posts with label 6.8 MW power plant cow and horse manure. Show all posts
Friday, May 29, 2009
German Town Becomes First With Dedicated Biogas System
by Matthew McDermott, New York, NY on 05.29.09
It's been a while since a major new poo power project graced these digital pages, but this one's certainly worth noting: The Guardian reports that the German town of Lünen, will become the first town in the world to have its own dedicated biogas network:
The 6.8 MW power plant at the heart of the network with take cow and horse manure, as well as other agricultural waste and spoiled crops from surrounding farms, and process it all into biogas, which will be used to generate both heat and electricity. When completed it will generate enough power to supply about 26,000 homes.
About 30-40% of the town's heat and electricity will be provided through the biogas network.
UNH Get's 85% of Power From Landfill Gas
Germany isn't alone in getting in one the biogas act: Closer to home for most TreeHugger readers the University of New Hampshire just completed a landfill gas pipeline, which will supply 85% of the school's heat and electricity.
This was a picture of a cow grazing.. powering up, so to speak!
Biogas
University of New Hampshire is First School in the US to Run Off Landfill Gas
Human Poop and Urine Provide Cheap Biogas Source in Uganda
A Dumg Deal: Making Power from Poop
Thirsty for more? Check out these related articles:
Expanding Waste-Based Renewable Energy
Drinking Water And Hydroelectric Power - Binding The Common Future Of Canada And The USA
Nuclear Power Not Cost Competitive With Coal Or Natural Gas - Could Benefit From Cap & Trade
Could Clean Energy Cause the Next Cold War?
It's been a while since a major new poo power project graced these digital pages, but this one's certainly worth noting: The Guardian reports that the German town of Lünen, will become the first town in the world to have its own dedicated biogas network:
The 6.8 MW power plant at the heart of the network with take cow and horse manure, as well as other agricultural waste and spoiled crops from surrounding farms, and process it all into biogas, which will be used to generate both heat and electricity. When completed it will generate enough power to supply about 26,000 homes.
About 30-40% of the town's heat and electricity will be provided through the biogas network.
UNH Get's 85% of Power From Landfill Gas
Germany isn't alone in getting in one the biogas act: Closer to home for most TreeHugger readers the University of New Hampshire just completed a landfill gas pipeline, which will supply 85% of the school's heat and electricity.
This was a picture of a cow grazing.. powering up, so to speak!
Biogas
University of New Hampshire is First School in the US to Run Off Landfill Gas
Human Poop and Urine Provide Cheap Biogas Source in Uganda
A Dumg Deal: Making Power from Poop
Thirsty for more? Check out these related articles:
Expanding Waste-Based Renewable Energy
Drinking Water And Hydroelectric Power - Binding The Common Future Of Canada And The USA
Nuclear Power Not Cost Competitive With Coal Or Natural Gas - Could Benefit From Cap & Trade
Could Clean Energy Cause the Next Cold War?
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