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US 4,654,305 AGranted
Multiphase reactor systems based on foams for simultaneous growth and separation of products
AssigneeThe Board of Governors for Higher Education, State of Rhode Island and Providence Plantations
InventorsStanley M. Barnett, Kenneth A. Bradley
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Abstract
A nutrient gas is introduced into a liquid nutrient formulation. The resulting nutrient media is a foam. The bubble size of the gas phase is between 0.1 to 200 microns and the foam is 40-80% voids.
Claims8
A method of fermentation which includes:
- (a) introducing a nutrient gas into a liquid nutrient formulation to create a stable nutrient media comprising both a liquid phase and a dispersed gaseous phase with high interfacial area, the gaseous phase dispersed throughout the liquid phase to provide a foam-like medium, the bubble size of the dispersed gaseous phase being between 0.1-200 microns and the void volume being between 40-80 percent;
- (b) maintaining the void volume between 40-80 percent while effecting fermentations to create fermentation products;
- and
- (c) collecting the fermentation products from the foam.
1 more element
Dependencies are inferred from the claim text.