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Equipment Requirements to Study Agitation for Gas-Liquid Fermentation

by Gregory T. Benz Background and purpose Small pilot fermenters are used with several different objectives: studying the organism, developing feeding strategies, evaluating potential yields, etc. A major purpose can be to study the mass transfer characteristics of the system, and how they relate to agitation. In the production scale, the required mass transfer rate […]

Advanced Fermentation Agitation with Methanotrophs and Other Organisms

By Gregory T. Benz, Lee Enterprises Consulting Introduction 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 […]

Early-stage, Breakthrough Technologies: Biofuels, 10 of the Best

The concept of early stage, breakthrough technologies is a bit of an oxymoron: at an early stage how do you determine if it is a breakthrough technology? The only way is for experts to give their opinion, and, usually, they are wrong, as reality seldom matches, or even comes close to, the hype. There are […]