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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 […]

Equipment Needs to Study Mixing of Fibrous Materials

by Gregory T. Benz Introduction There are many sources of organic fibers that can be used as feedstock for biofuels and renewable chemicals. The author has tested many lignocellulosic materials for fluid flow and mixing characteristics. Examples include corn stover, ground wood, switchgrass, various types of cane, beet pulp, paper mill waste, municipal solid waste […]