Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 13 potx

... mg 1 ) 0.00 0.05 0 .10 0 .15 0.20 0.25 0.30 0.35 Sour(NH 4 + ) and Sour (NO 2 – ) (mg O 2 g 1 SS h 1 ) 10 15 20 25 30 35 40 Sour(COD) (mg O 2 g 1 SS h 1 ) 90 10 0 11 0 12 0 13 0 14 0 15 0 16 0 FIGURE ... Selection Pressure Theory for Aerobic Granulation in Sequencing Batch Reactors 85 Yu Liu and Zhi-Wu Wang Chapter 7 Growth Kinetics of Aerobic Granules 1...

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... important role in the anaerobic granulation process. Thus, this chapter attempts to offer further insights intotheroleofshearforceinaerobicgranulation. 53671_C0 02. indd 25 10 /29 /07 7: 02: 15 AM © 20 08 by ... stress in xed-lm culture. J Appl Microbiol 90: 337–3 42. 53671_C0 02. indd 35 10 /29 /07 7: 02: 31 AM © 20 08 by Taylor & Francis Group, LLC © 20 08 by Taylor &...

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... hours (gure 3. 6). 37 3 Aerobic Granulation at Different SBR Cycle Times Zhi-Wu Wang and Yu Liu CONTENTS 3. 1 Introduction 37 3. 2 Effect of Cycle Time on Aerobic Granulation 37 3. 3 Effect of ... Improving anaerobic sequencing batch reactor perfor - mance by modifying operational parameters. Water Res 36 : 36 3 36 7. Tay, J. H., Yang, S. F., and Liu, Y. 2002. Hy...

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... 2.15 49 Qin 2006 10 2 .4 a NA b 115 McSwain et al. 20 04 20 1.89 0 .4 144 Qin 2006 75 0.7 1–1.3 50 Kim et al. 20 04 75 0.6 0. 1-0 .5 85 Kim et al. 20 04 a The minimum settling velocities were obtained ... discharge pointwithinthegivensettlingtimeareretainedinthereactor;otherwise,theyare discharged. This chapter aims to offer in- depth insights into the role of settling time in a...

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... in gure 5. 16, incomplete aerobicgranulationwasobservedinSBRsrunatthedischargetimesof10, 15, and 20 minutes, while successful aerobic granulation was only achieved at the discharge time of 5 minutes. ... 767–771. Yu,H.Q.,Tay,J.H.,andFang,H.H.P.2001.Therolesofcalciuminsludgegranulation during UASB reactor start-up. Water Res 35: 1 052 –1060. FIGURE 5. 21 FilamentousPSobservedinaerob...

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... LLC 85 6 Selection Pressure Theory for Aerobic Granulation in Sequencing Batch Reactors Yu Liu and Zhi-Wu Wang CONTENTS 6. 1 Introduction 85 6. 2 Is Aerobic Granulation Inducible? 86 6.3 Earlier ... 92 6. 4.11 Discharge Time 92 6. 5 Main Selection Pressures of Aerobic Granulation 92 6. 6 A Selection Pressure Theory for Aerobic Granulation in SBRs 93 6. 7 Fa...

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... 0.1C 5 H 7 NO 2 +1.5CO 2 +1.52H 2 O (7. 7) Itappearsfromequation7.7that75%oftheinputacetatecarbonischanneledto carbon dioxide-carbon during aerobic granular culture. The respirometric tests with aerobicgranulesshowedthatabout74%ofacetate-carbonisconvertedtocarbon dioxide,whichisfairlyconsistentwithequation7 .7. Whenmoresubstrate-carbon goes ... 4 17 4 27. Su,K.Z.andYu,H.Q.2005.Gasholdupa...

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... Liu CONTENTS 8. 1 Introduction 131 8. 2 Size-Dependent Kinetic Behaviors of Aerobic Granules 132 8. 3 Description of Diffusion Resistance in Aerobic Granules 133 8. 4 Simulation of Mass Transfer in Aerobic ... 445–457. Yang,S.F.,Liu,Q.S.,Tay,J.H.,andLiu,Y.2004.Growthkineticsofaerobicgranulesdevel - oped in sequencing batch reactors. Lett Appl Microbiol 38: 106–112. 5...

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... in sequencing batch reactors. Process Biochem 39: 5 79 584. Quarmby,J.andForster,C.F. 199 5.AnexaminationofthestructureofUASBgranules. Water Res 29: 24 49 2454. Roels, J. A. 198 3. Energetics and kinetics ... Mei, and Busscher ( 199 9) noted, it is impossible to deter - mine experimentally the interfacial free energies in equation 9. 2. Evidence shows 53671_C0 09. indd 162 10/ 2...

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... Granulation Yu Liu and Zhi-Wu Wang CONTENTS 10. 1 Introduction 181 10. 2 Main Composition of EPS in Aerobic Granules 181 10. 3 Major Factors In uencing EPS Production In Aerobic Granules 183 10. 4 ... hydrophilic surface,butmorewithhydrophobicsurfacesofothercells(Ghigo2003). Sofar,differentviewsexistwithregardtotheroleofEPSinaerobicgranulation. Di Iaconi et al. (2006) reported...

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... 11. 10b). Theuorescenceintensityprolemeasuredalongthedirectionofthegranuleradius furthershowedthatmostcalcouorwhite-stainedPSwassituatedintheoutershell ofthegranule,withadepthof400µmbelowthegranulesurface(gure11 .11) .These ndingsimplythatthebeta-linkedPSarelocatedmainlyintheoutershellofthe granule.Infact,asimilardistributionofbeta-linkedPSwasalsoobservedinanaerobic granules;themajority...

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... EPS 212 12.3 Biodegradation of Aerobic Granule-Associated EPS during Starvation 214 12. 4 EPS Biodegradation in an Aerobic Granular Sludge SBR 216 12. 5 Origin of Biodegradable Aerobic Granules-Associated ... available. 12. 3 BIODEGRADATION OF AEROBIC GRANULE-ASSOCIATED EPS DURING STARVATION To investigate the biodegradation of aerobic granule-associated EPS, fresh aerobic...

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... Liu CONTENTS 13. 1 Introduction 223 13. 2 Effect of Calcium on Aerobic Granulation 224 13. 3 Calcium Accumulation in Acetate-Fed Aerobic Granules 225 13. 4 Chemical form of calcium in acetate-fed aerobic ... Accumulation in Acetate-Fed Aerobic Granules 233 13. 7.3 DISTRIBUTION OF PH AND CO 3 2- IN ACETATE-FED AEROBIC GRANULES According to the models presented abov...

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... exist in the present literature. 14. 3 INFLUENCE OF SHORT STARVATION ON AEROBIC GRANULES Toofferin-depthinsightsintotheroleofstarvationinaerobicgranulation,Z W. Wangetal.(2006)investigatedtheinuenceofshortstarvationonaerobicgranules as ... reactor, and aerobic granules were only developed in the SBR. These ndings imply that the periodic starvation-induced hydrophobicity is a govern...

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... Germany. Wang,Z.P.,Liu,L.,Yao,J.,andCai,W.2006.Effectsofextracellularpolymericsubstances on aerobic granulation in sequencing batch reactors. Chemosphere 63: 1728–1735. Wang,Z W.2007.Insightsintomechanismofaerobicgranulationinasequencingbatch reactor. Ph.D. thesis, ... 742. Hu,L.L.,Wang,J.L.,Wen,X.H.,andQian,Y.2005.Theformationandcharacteristicsof aerobic granules in sequenci...

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