Fluid velocity distribution in nitrifying trickling filters: Mathematical model and NMR calibration

Water Research

Volumn 34, Issue 8, 2000, Pages 2337-2345

  Krumins, Valdis ^a   Line, Michael ^b   Wheaton, Fred ^a  

^a UNIVERSITY OF MARYLAND   (United States)

^b AGRICULTURAL RESEARCH SERVICE   (United States)

Author keywords

Biofilm; Flow distribution; Modeling; NMR; Trickling filters

Indexed keywords

BIOFILMS; FLOW OF FLUIDS; MATHEMATICAL MODELS; NUCLEAR MAGNETIC RESONANCE; PROBABILITY DENSITY FUNCTION; REYNOLDS NUMBER; TRICKLING FILTRATION; VELOCITY MEASUREMENT;

FLOW DISTRIBUTION; TRICKLING FILTERS;

FILTERS (FOR FLUIDS);

NITRIFICATION; PACKED COLUMN; TRICKLING FILTER; WASTEWATER; WATER TREATMENT;

ARTICLE; BIOFILM; CALIBRATION; FLOW RATE; MATHEMATICAL MODEL; NITRIFICATION; PRIORITY JOURNAL; SURFACE TENSION; TRICKLING FILTER;

EID: 0034065574     PISSN: 00431354     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0043-1354(99)00397-8     Document Type: Article

References (13)

1. Arvin E., Harremoes P. Concepts and models for biofilm reactor performance. Water Science Technology. 22:(1-2):1990;171-192.
2. Benefield L., Molz F. Mathematical simulation of a biofilm process. Biotechnology and Bioengineering. 27:1985;921-931.
3. Crine M., Marchot P., L'Homme G. Statistical hydrodynamics in trickle flow columns. American Institute of Chemical Engineers Journal. 38:(1):1992;136-147.
4. Daugherty R.L., Franzini J.B., Finnemore E.J. Fluid Mechanics with Engineering Applications. 8th ed. 1985;McGraw-Hill, New York, NY.
5. Ergun S. Fluid flow through packed columns. Chemical Engineering Progress. 48:(2):1952;89-94.
6. Fallah R., Hunter T.G., Nash A.W. The application of physico-chemical principles to the design of liquid-liquid contact equipment. Part III. Isothermal flow in liquid wetted-wall systems. Journal of the Society of Chemical Industry. 53:1934;369T-379T.
7. Gujer W., Boller M. Design of a nitrifying tertiary trickling filter based on theoretical concepts. Water Research. 20:(11):1986;1353-1362.
8. Manem J.A., Rittmann B.E. Scaling procedure for biofilm processes. Water Science Technology. 22:(1-2):1990;329-346.
9. Moran P.R. A flow velocity zeugmatographic interlace for NMR imaging in humans. Magnetic Resonance Imaging. 1:1982;197-203.
10. Onda K., Takeuchi H., Okumoto Y. Mass transfer coefficients between gas and liquid phases in packed columns. Journal of Chemical Engineering of Japan. 1:(1):1968;56-62.
11. Vayenas D.V., Pavlou S., Lyberatos G. Development of a dynamic model describing nitritification and nitratification in trickling filters. Water Research. 31:(5):1997;1135-1147.
12. Wijffels J.B., Verloop J., Zuiderweg F.J. Wetting of catalyst particles. Chemical Reaction Engineering. II:1974;151-163.
13. Zisman W.A. Relation of the equilibrium contact angle to liquid and solid constitution. Advances in Chemistry Series. 43:1964;1-51.