Development of a Controller for Fermentation in the Dry Grind Corn Process

Murthy, Ganti Suryanarayana

Publication date

January 10000

Abstract

150 p.Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2006.The controller maintained glucose concentration of <2.0% w/v in the fermenter throughout the SSF process. Reduced glucose concentrations minimize the osmotic shock to yeast and inhibit the growth of other competing microorganisms. Use of the optimal controller resulted in 50% reduction in glucoamylase amount required for the SSF process under varying operating conditions as compared to the standard SSF process. Optimal controller significantly improved final ethanol concentrations as compared to the conventional process without optimal controller under conditions of temperature and pH disturbances. Use of the optimal controller in conventional dry grind ethanol processes...

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Development of a Controller for Fermentation in the Dry Grind Corn Process

Abstract

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Development of a Controller for Fermentation in the Dry Grind Corn Process

Abstract

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