Sierra Energy says it can convert idled steel mill blast furnaces into trash-to-biogas reactors, saving on the cost of building a plant.

By Jeff St. John
Greentechmedia.com
Sept 16, 2009

Sierra Energy wants to turn laid-off steel mill workers into trash-to-clean energy workers.

The Davis, Calif.-based company says its FASTOX technology can convert steel mill blast furnaces into syngas factories. It works using steam-enshrouded oxygen, instead of regular air, to improve the efficiency and gas output from working blast furnaces.

That gas can be recycled to save energy throughout the rest of the plant, CEO Michael Hart – also head of parent company Sierra Railroad – said Tuesday at the AlwaysOn GoingGreen conference in Sausalito.

It’s a bit like the red-hot iron gasification technology that Ze-gen is developing (see The Iron Man of Greentech Gets $20M), but with a twist – Sierra wants to use furnaces that are already built. [Read more]

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