Aerobic and anaerobic bioprocessing of activated sludge: Floc disintegration by enzymes

References

• Wei , Y. , Van Houten , R. T. , Borger , A. R. , Eikelboom , D. H. and Fan , Y. 2003 . Minimization of excess sludge production for biological wastewater treatment . Water Res. , 37 : 4453 – 4467 .
   PubMed Web of Science ®Google Scholar
• Liu , Y. and Tay , J. H. 2001 . Strategy for minimization of excess sludge production from the activated sludge process . Biotechnol. Adv. , 19 ( 2 ) : 97 – 107 .
   PubMed Web of Science ®Google Scholar
• Chu , C. P. , Chu , C. P. , Chang , B. V. , Liao , G. S. , Jean , D. S. and Lee , D. J. 2001 . Observation on changes in ultrasonically treated waste-activated sludge . Water Res. , 35 ( 4 ) : 1038 – 1046 .
   PubMed Web of Science ®Google Scholar
• Novak , J. T. , Sadler , M. E. and Murthy , S. N. 2003 . Mechanisms of floc destruction during anaerobic and aerobic digestion and the effect on conditioning and dewatering of biosolids . Water Res. , 37 : 3136 – 3144 .
   PubMed Web of Science ®Google Scholar
• Ayol , A. 2005 . Enzymatic treatment effects on dewaterability of anaerobically digested biosolids-I: Performance evaluations . Proc. Biochem. , 40 ( 7 ) : 2427 – 2434 .
   Web of Science ®Google Scholar
• Vavilin , V. A. , Rytov , S. V. and Lokshina , L. Y. 1996 . A description of hydrolysis kinetics in anaerobic degradation of particulate organic matter . Biosour. Technol. , 56 : 229 – 237 .
   Web of Science ®Google Scholar
• APHA, AWWA, WEF . 2005 . Standard Methods; , 19th ed. Washington, DC
   Google Scholar
• Goodwin , J. A. S. and Forster , C. F. 1985 . A further examination into the composition of activated sludge surfaces in relation to their settlement characteristics . Water Res. , 19 ( 4 ) : 527 – 533 .
   Google Scholar
• Frolund , B. , Palmigren , R. , Keiding , G. K. and Nielsen , P. H. 1996 . Extraction of extracellular polymer from activated sludge using a cation exchange resin . Water Res. , 30 ( 8 ) : 1749 – 1758 .
   Web of Science ®Google Scholar
• Dubois , M. , Gilles , K. A. , Hamilton , J. K. , Rebers , P. A. and Smith , F. 1956 . Calorimetric method for determination of sugars and related substances . Anal. Chem. , 28 ( 3 ) : 350 – 356 .
   Web of Science ®Google Scholar
• Pin , C. , Marin , M. L. , Selgas , D. , Garcia , M. L. , Tormo , J. and Casa , C. 1995 . Differences in production of several extracellular virulence factors in clinical and food Aeromonas spp . Strains. J. Appl. Bacteriol. , 78 : 175 – 179 .
   Google Scholar
• Goel , R. , Mino , T. , Satoh , H. and Matsuo , T. 1988 . Enzyme activities under anaerobic and aerobic conditions in activated sludge sequencing batch reactor . Water Res. , 32 : 2081 – 2088 .
   Google Scholar
• Malina , J. F. and Pohland , G. F. 1992 . Design of anaerobic processes for the treatment of industrial and municipal wastes , Vol. 7 , Water Quality Management Library, TECHNOMIC Publication .
   Google Scholar
• Metcalf and Eddy . 2005 . Wastewater Engineering: Treatment, Disposal, Reuse , New York : McGraw Hill International Editions .
   Google Scholar
• Cokgor , E. U. , Ozdemir , S. , Karahan , O. , Insel , G. and Orhon , D. 2007 . Critical appraisal of respirometric methods for metal inhibition on activated sludge . J. Hazard. Mater. , 139 : 332 – 339 .
   PubMed Web of Science ®Google Scholar
• Kuscu , O. S. and Sponza , D. T. 2005 . Performance of anaerobic baffled reactor (ABR) treating synthetic wastewater containing p-nitrophenol . Enzyme Microb. Technol. , 36 ( 7 ) : 888 – 895 .
   Web of Science ®Google Scholar
• Watson , S. D. , Akhurst , T. , Whiteley , C. G. , Rose , P. D. and Pletschke , B. I. 2004 . Primary sludge floc degradation is accelerated under biosulphidogenic conditions: Enzymological aspects . Enzyme Microb. Technol. , 34 : 595 – 602 .
   Web of Science ®Google Scholar