Green Plains to install algae photobioreactor at Iowa ethanol by zyv69684

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									Green Plains to install algae photobioreactor at Iowa ethanol plant
By Erin Voegele

Web exclusive posted May 5, 2009, at 5:10 p.m. CST

Green Plains Renewable Energy Inc. and BioProcessAlgae LLC recently announced they have executed
a grant award agreement with the Iowa Office of Energy Independence for a $2.1 million research and
development grant with the Iowa Power Fund to build an algae pilot project at Green Plains’ Shenandoah,
Iowa ethanol plant.

The Iowa Power Fund grant provides matching funds that will support the installation of a series of
photobioreactor units at the ethanol plant. Water, heat and carbon dioxide will be recycled from the
ethanol manufacturing process to support continuous algae production. The grant provides funding
through the end of the first quarter of 2010. The pilot project is expected to be operational by July 2009.

According to Scott Poor, Green Plains’ corporate council, the photobioreactor is a self contained
apparatus that will be modular in design. “It is an enclosed, self-contained environment where light, heat,
carbon dioxide and water are all controlled to maximize algae growth,” Poor said. The algae that will be
utilized within the pilot plant is expected to capture approximately 60 percent of the carbon dioxide that is
fed into the system.

								
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