The MBR Book: Principles and Applications of Membrane

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Table 3.2 Biological operating parameters Raw data Calculated data Average flow (m 3 /h) Q Maximum specific substrate utilisation rate (k g/(g/day)) Peak flow (m 3 /h) Q peak Effluent BOD (S g/m 3 ) BOD influent (g/m 3 ) S 0 Specific growth of nitrifying bacteria, � n g/(g/day) Biodegradable COD (g/m 3 ) (often taken as bCOD Effluent nitrogen (N e g/m 3 ) 1.6 BOD) Total suspended solids influent (g/m 3 ) TSS Cell debris ( f d g/g) TSS effluent (g/m3 ) (normally negligible) TSSe Sludge yield (Px g/day) Volatile suspended solids (g/m3 ) VSS Non-biodegradable solids (X0 g/day) (TSS � VSS)Q Nitrogen influent (g/m3 ) TKN Concentration of ammonia oxidised to form nitrate, NOx (g/m N � Ne � 0.12Px 3 Wastewater temperature (°C) Tw ) Sludge wastage flow (Qw m3 QY( S0 � S) fakeQYux( S0 � S) QYnNOx � � 1�keux 1�keux 1��ke,nu x /day) V SRT (day) � x Observed yield, Y obs mg VSS/(mg BOD day) ≈ VSS S 0 u x m m Y K ( 1� k u ) 1 ux s e x u ( Yk �k) �1 x e K ( m � k ) n n e,n m �k�m n,m e,n n Y f k Yu � 1�ku1�ku e x d e x e x (Table to be continued on next page) Design 131
Table 3.2 (continued) Raw data Calculated data Design mixed liquor suspended solids MLSS Aerobic tank volume V m 3 (g/m 3 ) Anoxic tank as percentage of aerobic V a /V an Food to micro-organisms ratio, tank size F:M kg BOD/(k g TSS/day) Maximum specific growth rate � m Oxygen requirement, (heterotrophic) (g VSS/(g VSS/day)) m 0 kg/day Saturation coefficient (heterotrophic) K s Required airflow to meet biological (g/m 3 BOD) requirements, Q A, ,b kg/day Endogenous decay coefficient k e � factor e �0.084.X (heterotrophic), g VSS/(g VSS/day) Yield coefficient (heterotrophic) Y Sludge wastage, Qw m3 g VSS/(g BOD) /day Maximum specific growth rate � m,n Sludge waste per unit permeate (nitrification), (g VSS/(g VSS/day)) (Q w,V m 3 /(m 3 day) Endogenous decay coefficient (nitrification) (g VSS/(g VSS/day)) ke,n Airflow per unit permeate (Rb m3 /(m3 /day)) Yield coefficient (nitrification), g VSS/(g BOD) Yn Px x X u SQ VX Q ⎡ ⎣⎢ ( S0 �S) �1.42Px �Q�4.33NO �2.83NO RxOTE 0 A 0.21 r abt V u x Qw J′ A net m QA,b r J′ A A net m x x 132 The MBR Book
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The MBR Book
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The MBR Book: Principles and Applic
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Contents Preface ix Contributors xi
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Contents vii 4.2.5 The Industrial T
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Preface What’s In and What’s No
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Term Meaning Common units MLD Megal
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Contributors A number of individual
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Contributor(s) Association/Organisa
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Introduction With acknowledgements
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such as the filtration market, tech
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D R IVE R S R EST R AI N TS Bathing
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Introduction 7 Much of the legislat
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of non-point source pollution contr
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exploitation index (WEI), the value
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1 500 000 1 250 000 1 000 000 750 0
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Alternative immersed FS and HF memb
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1.6 Conclusions Whilst the most sig
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Introduction 19 USEPA (2006b) www.e
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Fundamentals With acknowledgements
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they can be put, which then provide
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3µm (a) (b) membrane is chemically
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Table 2.2 Membrane configurations C
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2.1.4 Membrane process operation 2.
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only pseudo-steady-state (or stabil
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P max P dP/dt backwash cycle t b Ba
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Fundamentals 35 2.1.4.6 Critical fl
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neo-exponential increase at fluxes
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Screened raw sewage biologically ar
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Table 2.4 Microbial metabolism type
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which affords the operator complete
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Cumulative %ile undersize 1 0.8 0.6
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occurs from the surrounding air to
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(Madoni et al., 1993). The inter-re
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Viscosity (mPa s) 100 10 1 Viscosit
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on discharged P levels have been im
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Membrane process mode Diffusion Ext
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energy demand in kWh/m 3 permeate p
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Table 2.5 System facets of denitrif
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Fundamentals 61 Moreover, the poten
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iomass. There are also issues with
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Table 2.6 Effect of pore size on MB
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Fundamentals 67 fouling to be influ
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Fundamentals 69 fouling (i.e. membr
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2.3.6 Feed and biomass characterist
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Fouling relative distribution (%) 1
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has been proposed by Cho and co-wor
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Fundamentals 77 in the influent. Ab
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MLSS sample Centrifugation 5 min 50
Page 98 and 99: Table 2.11 Concentration of SMP com
Page 100 and 101: Fundamentals 83 correlation of MBR
Page 102 and 103: (Cui et al., 2003) by inducing liqu
Page 104 and 105: Fundamentals 87 air cannot be used
Page 106 and 107: Table 2.12 Dynamic effects Determin
Page 108 and 109: Fundamentals 91 Table 2.13 Sub-crit
Page 110 and 111: Fundamentals 93 sludge (Cho and Fan
Page 112 and 113: Fundamentals 95 2.3.9.2 Employing a
Page 114 and 115: Fundamentals 97 Whilst ultrasonic c
Page 116 and 117: and immersed hybrid PAC-MBR (Kim an
Page 118 and 119: Lastly, the vast majority of all st
Page 120 and 121: Fundamentals 103 Brookes, A., Judd,
Page 122 and 123: Fundamentals 105 Côté, P., Buisso
Page 124 and 125: Fundamentals 107 Fuchs, W., Schatzm
Page 126 and 127: Fundamentals 109 Howell, J.A., Chua
Page 128 and 129: Fundamentals 111 Krauth, K. and Sta
Page 130 and 131: Fundamentals 113 Liu, R., Huang, X.
Page 132 and 133: Fundamentals 115 Nielson, P.H. and
Page 134 and 135: Fundamentals 117 Sato, T. and Ishii
Page 136 and 137: Fundamentals 119 Van Lier, J.B. (19
Page 138 and 139: Fundamentals 121 Zhang, Y., Bu, D.,
Page 140 and 141: Design With acknowledgements to: Ch
Page 142 and 143: Other contributions to pumping ener
Page 144 and 145: where J c is the cleaning flux. Fro
Page 146 and 147: Table 3.1 Main features of aeration
Page 150 and 151: Table 3.3 Physical operating parame
Page 152 and 153: Table 3.4 Comparative pilot plant t
Page 154 and 155: Table 3.7 O&M data Design 137 Kubot
Page 156 and 157: Table 3.8 Feedwater quality, PLWTP
Page 158 and 159: Table 3.11 Cleaning protocols for t
Page 160 and 161: Figure 3.1 The planned location of
Page 162 and 163: Table 3.14 O&M data, Pietramurata W
Page 164 and 165: Design 147 Table 3.17 Design inform
Page 166 and 167: Maintenance CIP was conducted throu
Page 168 and 169: Permeability, LMH/bar 800 700 600 5
Page 170 and 171: Table 3.22 Summary of pilot plant p
Page 172 and 173: Table 3.25 Feedwater specification
Page 174 and 175: Table 3.34 Aeration design Paramete
Page 176 and 177: In short, the design calculation de
Page 178 and 179: complications arise when estimating
Page 180 and 181: Chapter 4 Commercial Technologies W
Page 182 and 183: 4.1 Introduction Available and deve
Page 184 and 185: Commercial technologies 167 suction
Page 186 and 187: synonymous with R V Equation (3.13)
Page 188 and 189: (a) (b) Figure 4.8 The Huber VRM ®
Page 190 and 191: and is very robust. However, the la
Page 192 and 193: Commercial technologies 175 (a) (b)
Page 194 and 195: (a) (b) (c) Commercial technologies
Page 196 and 197: Other equipment 1.11% Process air b
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Thus far, almost all of the install
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Figure 4.22 A rack of Memcor B10R m
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Tensile elongation retention (%) 10
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Figure 4.28 Pilot plant at Mooka Co
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at 10 000-12 000 mg/L. The membrane
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4m 4m 1m Commercial technologies 19
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Figure 4.36 Ejector aerator Commerc
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Denitrification Nitrification Waste
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modules, with pore sizes ranging fr
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(a) (b) Figure 4.46 (a) Han-S Envir
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aerobic counterpart. This may be pa
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of the particularly large-diameter
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(c) air channelling, the risk of wh
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Case Studies With acknowledgements
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5.1 Introduction Membrane Bioreacto
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Case studies 211 Table 5.1 Comparis
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Case studies 213 0.6 m 3 per unit.
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Case studies 215 area of 15 840 m 2
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Aeration tank 1 FBDA FBDA 32 x J200
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Case studies 219 In this UNR config
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Table 5.6 Design criteria, Running
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Works inlet Inlet works Storm tank
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Case studies 225 to be treated to a
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Case studies 227 membranes, assembl
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Figure 5.16 A Naston package plant
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Air Influent DN N M Figure 5.18 The
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Table 5.9 Toray membrane-based MBR
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Figure 5.23 Aeration tank and cover
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Figure 5.24 The original plant at B
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Main permeate header Permeate pump
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Case studies 241 flow. Sludge waste
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Table 5.15 Water quality data, Unif
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TMP (Kpa) 80 70 60 50 40 30 20 10 0
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10 LMH; the plant operated at fluxe
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Table 5.17 Feed and treated water q
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Table 5.18 Water quality, Sobelgra
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Figure 5.37 Airlift municipal WWTP,
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Case studies 255 has been 20 g/L, b
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Case studies 257 The company had in
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Filtrate (ml) 25 20 15 10 5 IIndust
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Inflow Buffer tank Filtration Denit
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Figure 5.45 The VHP MBR (a) (b) Cas
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Figure 5.47 The Eden Project MBR Ba
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Table 5.25 Basis for process design
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5.4.7 Other Orelis plant Case studi
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two membrane module configurations.
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Appendix A Blower Power Consumption
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or or (A.4) where � is the ratio
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Appendix B MBR Biotreatment Base Pa
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Y 0.61 g VSS/g COD Fan et al. (1996
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Appendix C Hollow Fibre Module Para
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L being the internal module length
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Appendix D Membrane Products
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Table D.3 Membrane module details o
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Table D.4 (continued) Supplier Asah
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Table D.5 Membrane module details o
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Appendix E Major Recent MBR and Was
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Conference title meet Dates Locatio
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Event Last held Location Website Fo
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Appendix F Selected Professional an
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Japan Water Works Association (JWWA
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Nomenclature � Separation (m) �
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Nomenclature 305 Rsup Hydraulic res
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Abbreviations The following lists k
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PES Polyethylsulphone PP Polypropyl
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Glossary of Terms A number of key t
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Floc Aggregated solid (biomass) par
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Glossary of terms 315 Relaxation Ce
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Index A � factor 47, 49-50 and vi
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investment 9 for membrane replaceme
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I Iberia 2 immersed biomass-rejecti
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Nordkanal wastewater treatment work
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SUR unit 180 surface porosity 30 Su
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