Mechanisms of floc destruction during anaerobic and aerobic digestion and the effect on conditioning and dewatering of biosolids

Water Research

Volumn 37, Issue 13, 2003, Pages 3136-3144

  Novak, John T ^a   Sadler, Mary E ^a   Murthy, Sudhir N ^a  

^a VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY   (United States)

Author keywords

Aerobic digestion; Anaerobic digestion; Biopolymer; Conditioning; Dewatering

Indexed keywords

ACTIVATED SLUDGE PROCESS; BIOPOLYMERS; DEWATERING; FILTRATION; WASTEWATER;

BIOSOLIDS;

ANAEROBIC DIGESTION;

BIOPOLYMER; CATION; ENZYME; POLYSACCHARIDE; PROTEIN;

ACTIVATED SLUDGE; AEROBIC PROCESS; ANAEROBIC PROCESS; DESTRUCTION; DEWATERING; FLOC; WASTEWATER TREATMENT;

ACTIVATED SLUDGE; AEROBIC METABOLISM; ANAEROBIC DIGESTION; ARTICLE; BATCH PROCESS; BIOSOLID; CONCENTRATION (PARAMETERS); DEWATERING; ENZYME ACTIVITY; ENZYME ASSAY; FILTRATION; LABORATORY; PRIORITY JOURNAL; SLUDGE CONDITIONING; SLUDGE DIGESTION; SLUDGE TREATMENT; TEMPERATURE; WASTE WATER TREATMENT PLANT;

EID: 0037526215     PISSN: 00431354     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0043-1354(03)00171-4     Document Type: Article

References (17)

1. Novak J.T., Becker H., Zurow A. Factors influencing activated sludge properties. J Environ Eng. 103:1977;815-828.
2. Katsiris N., Kouzeli-Katsiri A. Bound water content of biological sludges in relation to filtration and dewatering. Water Res. 21:1987;1319-1327.
3. Bruss J.H., Christensen J.R., Rasmussen H. Anaerobic storage of activated sludge. effects on conditioning and dewatering performance Water Sci Technol. 28:1993;350-357.
4. Higgins M.J., Novak J.T. Characterization of exocellular protein and its role in bioflocculation. J Environ Eng. 123:1997;479-485.
5. Murthy S.N., Novak J.T., Holbrook R.D., Sukovitz F. Mesophilic aeration of autothermal thermophilic aerobic digester (ATAD) biosolids to improve plant operation. Water Environ Res. 72:2000;476-483.
6. Murthy S.N., Novak J.T. Factors affecting floc properties during aerobic digestion. implications for dewatering Water Environ Res. 71:1999;197-202.
7. Nielsen P.H., Keiding K. Disintegration of activated sludge flocs in presence of sulfide. Water Res. 32:1998;313-320.
8. Hartree E.F. Determination of protein. a modification of the Lowry method that gives a liners photometric response Anal Biochem. 48:1972;422-427.
9. Lowry O.H., Rosebrough N.J., Farr A.L., Randall R.J. Protein measurement with the Folin phenol reagent. J Biol Chem. 193:1951;265-275.
10. Dubois M., Grilles K.A., Hamilton J.K., Rebers P.A., Smith F. Colorimetric methods for determination of sugars and related substances. Anal Chem. 28:1956;350-357.
11. APHA, Standard methods for the examination of water and wastewater. 19th ed. Washington, DC. 1995.
12. Christensen G.L., Dick R.I. Specific resistance measurements. methods and procedures J Environ Eng. 111:1985;258-271.
13. Prescott J.M., Wilkes S.H. Aeromonas peptidase. Methods Enzymol. 45B:1976;530-543.
14. Wozniak C.A., Lowell O.D. Native β-glucuronidase activity in sugarbeet (Beta vulgaris). Physiol Plant. 90:1994;763-771.
15. Rust ME. Biopolymer and cation release in anaerobic and aerobic digestion and the consequent impact on sludge dewatering and conditioning properties. MS thesis, Virginia Polytechnic Institute & State University, Blacksburg, VA, USA, 1998.
16. Novak JT, Agerbæk ML, Sørensen BL, Hansen, JAa. Conditioning filtering and expressing waste activated sludge. J Environ Eng 1999;125:816-24.
17. + transport systems in prokaryotes. Bakker E.P. Alkali cation transport systems in prokaryotes. 1993;205-224 CRC Press Inc, Boca Raton, FL.