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Gold/Mining/Energy : Bio-Fuels: The Case for Micro-Algae
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From: Condo7/20/2009 6:19:11 PM
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Not only is CO2 being sequestered and ethanol produced but fresh water is being produced at a rate of one gallon per gallon of ethanol.

Thursday, July 16, 2009
Dow to Test Algae Ethanol
Startup Algenol partners with Dow Chemical on a demonstration ethanol plant.
technologyreview.com

By Tyler Hamilton

Florida startup Algenol Biofuels says that it can efficiently produce commercial quantities of ethanol directly from algae without the need for fresh water or agricultural lands--a novel approach that has captured the interest and backing of Dow Chemical, the chemical giant based in Midland, MI.

The companies recently announced plans to build and operate a demonstration plant on 24 acres of property at Dow's sprawling Freeport, TX, manufacturing site. The plant will consist of 3,100 horizontal bioreactors, each about 5 feet wide and 50 feet long and capable of holding 4,000 liters.

The bioreactors are essentially troughs covered by a dome of semitransparent film and filled with salt water that has been pumped in from the ocean. The photosynthetic algae growing inside are exposed to sunlight and fed a stream of carbon dioxide from Dow's chemical production units. The goal is to produce 100,000 gallons of ethanol annually.
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