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Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 5 potx

Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 5 potx

Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 5 potx

... in gure 5. 16, incompleteaerobicgranulationwasobservedinSBRsrunatthedischargetimesof10, 15, and20 minutes, while successful aerobic granulation was only achieved at the dischargetime of 5 minutes. ... 767–771.Yu,H.Q.,Tay,J.H.,andFang,H.H.P.2001.Therolesofcalciuminsludgegranulationduring UASB reactor start-up.Water Res 35: 1 052 –1060.FIGURE 5. 21 FilamentousPSobservedinaerobicgranules,scalebar=3µm. 53 671_C0 05. indd 84 10/29/07 7: 15: 46 AM© 2008 ... strategy for rapid and stable aerobic granulation in both small- and large-scale sequencing batch reactors (SBRs). This 53 671_C0 05. indd 69 10/29/07 7: 15: 18 AM© 2008 by Taylor & Francis Group,...
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Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 3 potx

Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 3 potx

... nitrifying granulation in sequencing batch reactors. Appl Microbiol Biotechnol 59 : 332–337.Wang,F.,Yang,F.L.,Zhang,X.W.,Liu,Y.H.,Zhang,H.M.,andZhou,J.20 05. Effectsofcycletimeonpropertiesofaerobicgranulesinsequencingbatchairliftreactors.World ... Properties of Aerobic Granules 413.4 Conclusions 49References 493.1 INTRODUCTIONItappearsfromtheprecedingchaptersthatanumberofoperatingparametersofa sequencing batch reactor (SBR) can in uence aerobic ... (hours)0 5 10 15 252 0Mean Size (mm)0 .5 1.01 .5 2.02 .5 3.03 .5 4.0FIGURE 3 .5 SludgemeansizeinSBRsrunatdifferentcycletimes.(DatafromPan,S.et al. 2004. Lett Appl Microbiol 38: 158 –163.)Cycle...
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Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 13 potx

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

... agreementpH8 .50 8 .51 8 .52 8 .53 8 .54 8 .55 8 .56 r(mm)0.0 0.2 0.4 0.6CO3 2–(M)2.4e -5 2.5e -5 2.6e -5 2.7e -5 2.8e -5 2.9e -5 RCaCO3FIGURE 13.8 Simulated proles of pH and CO3 2- in acetate-fed aerobic granules. ... Group, LLC228 Wastewater PurificationSludge Radius Range (mm)0. 1-0 .2 0. 3-0 .4 0. 5- 0 .6 0. 7-0 .8 0. 8-1 .0 1. 4-2 .0Ca2+(mg g–1 SS)0 50 100 150 200 250 FIGURE 13.6 Calcium contents in aerobic granules ... 2 25 13.4 Chemical form of calcium in acetate-fed aerobic granules 22613 .5 Calcium Distribution in Acetate-Fed Aerobic Granules 22713.6 Granule Size-Dependent CaCO3Formation in Acetate-FedAerobic...
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Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 1 pptx

Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 1 pptx

... explanation without intent to infringe.Library of Congress Cataloging -in- Publication Data Wastewater purification : aerobic granulation in sequencing batch reactors / editor, Yu Liu.p. cm.Includes bibliographical ... Selection Pressure Theory for Aerobic Granulation in Sequencing Batch Reactors 85 Yu Liu and Zhi-Wu Wang Chapter 7 Growth Kinetics of Aerobic Granules 111Qi-Shan Liu and Yu Liu Chapter 8 Diffusion of ... September 15 19, 1986.Inizan,M.,Freval,A.,Cigana,J.,andMeinhold,J.20 05. Aerobicgranulationinasequenc - ing batch reactor (SBR) for industrial wastewater treatment.Water Sci Technol 52 : 3 35 343.Jiang,H.L.,Tay,J.H.,andTay,S.T.L.2002.Aggregationofimmobilizedactivatedsludgecellsintoaerobicallygrownmicrobialgranulesfortheaerobicbiodegradationofphenol.Lett...
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Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 2 pptx

Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 2 pptx

... important role in theanaerobic granulation process. Thus, this chapter attempts to offer further insightsintotheroleofshearforceinaerobicgranulation. 53 671_C002.indd 25 10/29/07 7:02: 15 AM© 2008 ... ofEscherichia coli K-12 biolm architecture. J Bacteriol 182: 359 3– 359 6.Di Iaconi, C., Ramadori, R., Lopez, A., and Passino, R. 20 05. Hydraulic shear stress calcula - tion in a sequencing batch biolm ... LLC (chapter9 ).Figure2.11showstheeffectoftheappliedshearforceoncellhydro- Aerobic Granulation at Different Shear Forces 35 Shearforceintermsofsupercialupowairvelocitywasimportantintheaerobicgranulationprocess.Themicrobialstructureandmetabolismofmicroorganismsare...
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Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 4 ppt

Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 4 ppt

... McSwain et al. 20044 5 10 2 .5 NAbBeun et al. 2002 5 7 .56 2. 15 49 Qin 200610 2.4aNAb1 15 McSwain et al. 200420 1.89 0.4 144 Qin 2006 75 0.7 1–1.3 50 Kim et al. 2004 75 0.6 0. 1-0 .5 85 Kim ... dischargepointwithinthegivensettlingtimeareretainedinthereactor;otherwise,theyaredischarged. This chapter aims to offer in- depth insights into the role of settling time in aerobic granulation in SBR. ... 55 55 Aeration 210 2 15 220 230Settling 20 5 15 2101 5 —Discharge 55 55 Total cycle time 240 240 240 240Minimal settling velocity (m h–1) 1.89 2 .52 3.78 7 .56 Source: Qin, L. (2006) Ph.D....
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Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 6 pptx

Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 6 pptx

... 39: 55 7 56 3.Wang,Z W.2007.Insightsintomechanismofaerobicgranulationinasequencingbatchreactor. Ph.D. thesis, Nanyang Technological University, Singapore. 53 671_C006.indd 109 10/29/07 7:16 :58 ... research on aerobic granula-tionhasbeenconductedinsequencingbatchreactors(SBRs),whilenosuccessful aerobic granulation has been observed in continuous microbial culture. As shown in chapter5 ,itisbelievedthataerobicgranulesformthroughself-immobilizationof 53 671_C006.indd ... experimentalevidenceshowsthatstarvationcanactasatriggerofaerobicgranulationinSBRs.6.4.4 FEEDING STRATEGYMcSwain, Irvine, and Wilderer (2004) reported that intermittent feeding is an effec-tiveoperatingstrategyforenhancingaerobicgranulationinSBRs.Forthispurpose,differentllingtimeswereappliedtoSBRs,resultingindifferentdegreesoffeast-famine...
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Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 7 docx

Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 7 docx

... 7.2Kinetic Constants Determined from Aerobic Granular Sludge SBRTime (days) 123 456 S0(mg COD L–1) 55 9.7 56 0.8 56 4.0 56 0.3 56 1 .5 558 .9Se(mg COD L–1) 27 .5 30.7 27.0 24.1 27.2 25. 6X ... 417–427.Su,K.Z.andYu,H.Q.20 05. Gasholdupandoxygentransferinanaerobicgranule-based sequencing batch reactor.Biochem Eng J 25: 201–207.Su,K.Z.andYu,H.Q.2006.Ageneralizedmodelforaerobicgranule-basedsequencing batch ... L–1) 7 .56 7 .59 7 .57 7.6 7.61 7.6Y (mg MLSS mg–1COD) 0.20 0.1 95 0.20 0.20 0.193 0.20Us(mg COD mg–1MLSS d–1) 0 .56 0 .56 0 0 .56 0 .56 0 .56 0 .56 Kd(d–1) 0.014 0.0093 0.013 0.012 0.00 85 0.012Source:...
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Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 8 doc

Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 8 doc

... granules.Themodelsimulationalsosupportsthesize-associateddiffusionlimitationinaerobicAeration Time (min)(a)0 50 100 150 200 250 Aeration Time (min)(b)0 50 100 150 200 250 COD (mg L–1)0100200300400 50 0Aeration Time (min)(d)0 ... University,Evanston, IL.Li, Y. and Liu, Y. 20 05. Diffusion of substrate and oxygen in aerobic granule.Biochem Eng J 27: 45 52 .Liu, Q. S. 2003. Aerobic granulation in a sequencing batch reactor. Ph.D. thesis, ... operatingparameters on aerobic granulation in sequencing batch reactors (SBRs) (chapters 1to7).However,verylimitedinformationiscurrentlyavailableaboutthediffusionbehaviorsofsubstancesinsideaerobicgranules.Tayetal.(2002)foundthatamodeldye...
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Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 9 pdf

Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 9 pdf

... 149– 157 .Qin,L.,Liu,Y.,andTay,J.H.2004.Selectionpressureisadrivingforceofaerobicgranula-tion in sequencing batch reactors. Process Biochem 39: 57 9 58 4.Quarmby,J.andForster,C.F.19 95. AnexaminationofthestructureofUASBgranules.Water ... determination of00. 05 0.10. 15 0.20. 25 0 5 10 15 20 25 30 35 Operation Time (days)Surface Charge (–meq g–1 VSS) FIGURE 9.2 Change in the density of cell surface negative charge along with aerobic ... 20 05) .Step1:precultivatedaerobicgranulesaredisintegratedbyabeaterfor5minutesandarefurtherlteredthrougha3 5- mcellstrainercapinordertoremoveparticlesbiggerthan 35 m.Step 2: bacteria collected at the bottom of the test tube after 5 minutes of set - tlingtimearetransferredintoaliquidmedium.Step3:thetransferredbacteriaarecultivatedintheliquidmediumfor48hours,andthenmicrobialaggregatesformedareremovedafter5minutesofsedi - mentation...
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