Modeling chemical interactions in anaerobic biofilm systems. Report for 1992-1993

Technical Report · Fri Jan 01 00:00:00 EST 1993

OSTI ID:7233910

Flora, J R.V.; Suidan, M T; Biswas, P; Sayles, G D

Rigorous steady-state models of acetate- and methanol-utilizing methanogenic biofilms are developed taking into account the mass transfer of neutral and ionic species, pH changes within the biofilm, pH-dependent Monod kinetics, chemical equilibrium, electroneutrality, gas production within the biofilm, and the presence of a concentration boundary layer (CBL). The study shows that significant differences can exist between the flux predictions using the traditional models and when pH changes within the biofilm are taken into account. The biofilm models are coupled to a model of a completely-stirred tank reactor (CSTR) and strategies for the optimization of biofilm reactor performance are examined. (Copyright (c) 1993 Water Environment Federation.)

• Research Organization: Cincinnati Univ., OH (United States). Dept. of Civil and Environmental Engineering
• OSTI ID: 7233910
• Report Number(s): PB-94-159290/XAB
• Resource Relation: Other Information: Pub in Proceedings of the Annual Conference and Exposition (66th), Water Environment Federation, Anaheim, CA., October 3-7, 1993, 307-317
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
54 ENVIRONMENTAL SCIENCES
ANAEROBIC CONDITIONS
REACTION KINETICS
BIOREACTORS
MATHEMATICAL MODELS
KINETICS
320305* - Energy Conservation
Consumption
& Utilization- Industrial & Agricultural Processes- Industrial Waste Management
540320 - Environment
Aquatic- Chemicals Monitoring & Transport- (1990-)