Avoiding digester imbalance through real-time expert system control of dilution rate

Conference · Tue Dec 31 00:00:00 EST 1991

OSTI ID:431567

Pullammanappallil, P; Harmon, J; Lyberatos, G; Svoronos, S A; Chynoweth, D P ^[1]

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1. Univ. of Florida, Gainesville, FL (United States)

Process control of anaerobic digesters is a particularly challenging problem because of the diversity of possible causes that can lead to digester imbalance. Conventional control schemes can fail in consequence of a reversal in the sign of the steady-state gain caused by some type of disturbance. In this work we present an expert system approach that takes into account the particularity of this process. The developed algorithm is demonstrated to compensate successfully for changes in the digester feed medium when simulated against a model for a continuous anaerobic digester.

• Research Organization: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Badger Engineers, Inc., Tampa, FL (United States); Solar Energy Research Inst., Golden, CO (United States)
• OSTI ID: 431567
• Report Number(s): CONF-900512-; TRN: 96:006510-0004
• Resource Relation: Conference: 12. symposium on biotechnology fuels and chemicals, Gatlinburg, TN (United States), 7-11 May 1990; Other Information: PBD: 1991; Related Information: Is Part Of Twelfth symposium on biotechnology for fuels and chemicals; Greenbaum, E. [ed.] [Oak Ridge National Lab., TN (United States)]; Wyman, C.E. [ed.] [Solar Energy Research Inst., Golden, CO (United States)]; PB: 934 p.
• Country of Publication: United States
• Language: English

Related Subjects

09 BIOMASS FUELS
55 BIOLOGY AND MEDICINE
BASIC STUDIES
99 MATHEMATICS
COMPUTERS
INFORMATION SCIENCE
MANAGEMENT
LAW
MISCELLANEOUS
WASTES
BIODEGRADATION
BIOREACTORS
PROCESS CONTROL
BIOTECHNOLOGY
FUELS
ANAEROBIC CONDITIONS
BIOMASS
EXPERT SYSTEMS
DILUTION