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Call to Action for a Truly Sustainable Renewable Future
August 8, 2013 – 5:07 pm | No Comment

-Include high octane/high ethanol Regular Grade fuel in EPA Tier 3 regulations.
-Use a dedicated, self-reducing non-renewable carbon user fee to fund renewable energy R&D.
-Start an Apollo-type program to bring New Ideas to sustainable biofuel and …

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Advanced Fermentation Agitation with Methanotrophs and Other Organisms

Submitted by on August 9, 2017 – 12:46 pmNo Comment

by Gregory T. Benz (Lee Enterprises Consulting/Biofuels Digest)  Fermentation processes, both aerobic and anaerobic, have been successful on an industrial scale for quite a long time, producing a wide variety of products. In most of these processes, if any gas has been added, it has been either air or oxygen-enriched air. In the advanced bioeconomy, organisms are now being studied that metabolize other gasses. One example is the category of bacteria that are called methanotrophs, which metabolize methane. Other organisms are known which metabolize carbon dioxide, carbon monoxide and hydrogen, and there are sure to be others. This article seeks to summarize what is similar in designing agitation systems for such organisms, and to identify what is different and what needs to be done to assure a successful installation.  READ MORE

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