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187b No waste! Biorefinery is amazing example of industrial symbiosis
b"On this week's CKUA Green Energy Futures feature: Industrial symbiosis. Corn comes into a biorefinery that produces ethanol, industrial alcohols, corn oil, and distillers' grains. And then ALL wastes from this plant are used as well to heat a greenhouse, grow tomatoes and much, much more. It's a virtuous cycle of products and wastes, that each turn are used to produce other products. See blog, photos and video: http://www.greenenergyfutures.ca/episode/waste-heat-growing-tomatoes-industrial-symbiosis"