Index

Note: Page numbers followed by f indicate figures and t indicate tables.

A

acid regeneration system 296–297, 306f
activated carbon-enhanced filtration (ACEUF) 60
activated carbon filtration (ACF) 
bituminous coal 96
chlorine 96
descripton 95
iodine number 96
linear flow velocity 96
phenol number 96
anisotropic/asymmetric UF membranes 423f
antiscalant threshold treatment 
description 136
PAA 137
SHMP 137
silica 137
arsenic 
and nitrate-contaminated groundwater 190–191
separation techniques 37

B

backwash/cleaning cycle 336–337
biological fouling 131–134
biological oxygen demand (BOD) 42, 84–85, 99, 180, 189–190, 273, 274–275, 276, 277
bioprocessing/biotechnology, hybrid systems 205–206
boiler water treatment 
power generation efficiency 244
brackish water RO (BWRO) 
acid pre-treatment system 230, 232f, 234f
calcium carbonate precipitation 229
desalination 228–236, 349–350
feed water composition 230
groundwater/surface water 228
lime pre-treatment system 230, 231f, 233f
non-thermal ZLD process 344
process design flow 230, 235f
silica precipitation 230
unit design parameters 356, 357t
brine RO (BRO) system 145, 240–241, 243, 346f, 350, 361
brine treatment membrane processes 
hybrid 242–243
integrated 240–242
ZDD 242
Bubble point 27, 395

C

calcium carbonate (CaCO3
chemistry 407–409, 419t
and magnesium hydroxide 91
capital costs(CAPEX) 360–362
cartridge filters 
dead-end filtration 314
equipment specifications 330
system diagnosis and maintenance 321
caustic soda regeneration system 296–297, 306f
cellulose acetate (CA) membrane 
glassy polymeric membranes 50–51
porous salt-rejecting barrier 4–5
RO membranes 21–24
spiral-wound membrane 5–6
centrifugal pumps 
pump controls 396–397
selection, pump 394–396
charge repellant behaviour 88
chelating agent 136, 167
chemical oxidation 
description 102
manganese greensand oxidation-filtration 102–103
chemical oxygen demand (COD) 42, 99, 180, 189–190, 273, 274–276, 277
chlorination 103–104
clarifier 
reactor/clarifier design 88, 90f
coagulation 
alum floc 88
charge repellant behaviour 88
colloids 88
inorganic 91
mechanism 88, 90f
polyelectrolytes 88–89
repulsive force 88, 89f
zeta potential 88
colloidal fouling 130
colloids 88
concentration factor (CF)/ratio 33, 125–126, 149–150, 156, 328, 341
concentration polarisation (CP) 
feed/retentate vs. flux 17–18, 18f
Film Theory Model 14–16
flux vs. pressure relationship 16–17, 16f
gel polarisation model 13–14, 15f
and mass transfer coefficient 386–387
pressure-driven liquid-phase processes 13–14
control valves 
and actuator 397–400, 399f
characteristics 397, 398t
pressure drop 400
conversion factors 412–415
corn refining process, hybrid membrane systems 200, 201f
critical micelle concentration (CMC) 58–59, 387–388
Cryptosporidium 38, 83, 97, 103, 105, 261

D

dairy processing, hybrid systems 192–194
Darcy’s law 35, 341–342
dead-end cartridge filters 42–43
deaeration-decarbonation 
air stripping 101–102, 101f
ammonia 100–101
description 100
VOCs 101
dealkalisation 93
deionisation (DI) 
anion IX design 391–392
cation IX design 390–391
dual-bed system 389–390
electrodeionisation (EDI) 26, 116–120, 135, 212, 342, 352–353
system design 390
demineralisation 99–102, 111–112, 193, 239, 244
desalination 
brackish water 
case studies 32, 215
chemical dosing 237
ED/EDR industrial water desalting 239–240
feed pre-treatment 236
lime softening 238
pilot testing 238–239
product water recovery 236–237
calcite posttreatment 120
Capex and Opex calculation 361–362
costs 360
description 120
limestone 120–121
seawater RO (SWRO) 
energy recovery (ER) 146, 215, 219–221, 220f, 223, 227, 339, 347, 349, 354
feed water pre-treatment 224
low energy electrochemical process 212
osmotic pressure and organic fouling 187
post treatment 217, 339, 342, 365
power plant waste heat 219
pretreatment 62, 74–75, 122, 216–217, 339, 365
product water quality 347
salts recovery 187–188
systems design and operation 215
diafiltration (DF) 196–197
diffusion dialysis (DD) 44–45
disc-tube (DT) membrane 
features 66–69
flux-enhancing technologies 70, 71f, 71t
short flow path membrane module 66–69, 69f
disinfection treatment methods 
chlorination 103–104
ozonation 104
RO/NF feed water 103
ultraviolet (UV) light 104–105
dissolved air flotation (DAF) unit 276–277
Donnan dialysis 26
Donnan exclusion 26, 33, 48
Donnan potential 33
double-pass SWRO system 349
dynamically formed membranes (DFM) 55–57

E

electrocoagulation (EC) 
electrodes 105–106
operating parameters 107
treated waters 107
electrodeionisation (EDI) 
anion and cation-exchange resins 120
DC power 117
description 116–117
feed water requirements 119, 119t
hydrogen and hydroxyl ions 118
IX membrane 117
plate-type devices 119–120
electrodialysis (ED) 
acrylic-based cation exchange (CE) membranes 237–238
cell 45, 46f
continuous process 162
control systems 144, 145–146, 296
electrodialysis reversal (EDR) 
industrial water desalting 239–240
ion-exchange (IX) membranes 236
modules 236, 237f
energy consumption and costs 362–364
flow schematics 162, 162f
ion exchange (IX) membranes 46
polarisation 47–48
seawater 48
electrofiltration 57–58, 58t
energy consumption 
biological wastewater membrane bioreactor treatment 351
BWRO system 210–211, 353–354
double-pass SWRO system 349
industrial wastewater cross-flow membrane treatment 351–352
membrane plants 342, 348t
single-pass SWRO system 347–349
specific energy consumption (SEC) 342, 348t
temperature effect 353–359
ethanol dehydration 208–209

F

Faraday’s law 107
feed systems 
chemical 296–297, 299f, 330
feed water 
composition 85, 150, 230
sources 85, 129, 222–223
fermentation broth, components 206, 206t
Film Theory Model 14–16, 57–58
flue gas desulphurisation, MGA 209
fluoropolymers 26
forward osmosis (FO) 61–62
fouling-resistant membranes 
hydrophilic vs. hydrophobic blend membranes 73
polymer modification 73
surface chemistry 72–73
surface modification 73–76
free mineral acidity (FMA) 109, 111
fruit juice and wine processing 200–203
fuel cells and desalination 210–211

G

gas separation (GS) 
non-porous membranes 49–52
porous membranes 49
Giardia 38, 83, 97, 103, 261
glass transition temperature 18–20, 50, 174–175
granular media filtration (GMF) 
coagulants 95
description 94
multimedia layers 94, 94f
plant design and controls 293
suspended solids 95
system diagnosis and maintenance 320–321

H

Hagen–Poiseuille equation 35–36
heat exchangers 321–322, 415t
hemodialysis 44
Henry’s law 101
high efficiency particulate air (HEPA) filter 290
high purity water (HPW) 
boiler water treatment 244–246
energy consumption survey 352
factory acceptance test (FAT) 404
microelectronics 246–250
process validation 403–404
pure water 118, 122–123, 243–244
ultrapure water 243–244, 286
USP grade water 251–254
hot water sanitisation (HWS) 
cycles 174
equipment 174
hybrid membrane systems 
acidic streams treatment 191–192
arsenic and nitrate-contaminated groundwater 190–191
bioprocessing/biotechnology 205–206, 207f
cheese whey processing 192–193
citrus juices processing 200, 202f
dairy processing 192–194, 283
desalination, water 213–243
edible leaf protein concentration 195–197
ethanol dehydration 208–209
flavour compound recovery 203–205
fermentation processing 179
flue gas desulphurisation, MGA 209
fruit juice and wine processing 200–203
fuel cell integrated membrane desalination 210–211
HPW production 243–254
industrial wastewater treatment 180–181
integrated membrane system 179
landfill leachate water treatment 188–190
MBR sewage and wastewater treatment 273–277
membrane recycle bioreactor (MRB) 207–208
MVC-RO hybrid desalination 185
NF-RO-MSF seawater desalination process 186–187
osmotic distillation (OD) 203–205
oil processing, vegetable and corn 197–200
pervaporation (PV)-distillation system 52–53, 209
pharmaceutical drugs recovery 206, 207f
physicochemical properties 179
process flow 245–246, 245f
produced water treatment 181–184
reclamation/recycling, water 254–273
RO membrane plant 286–292, 310
sea salt recovery, ED 212–213
seawater desalination plants 187–188
soy protein 195
sugar processing 194–195
treatment, water 179
vegetable oil 197–200, 198f, 199f
vegetable proteins 195
whole leaf concentrates 195–196
wine processing 203, 203f

I

inorganic membranes 25–26
ion concentration polarisation (ICP) 211–212
ion exchange (IX) 
backwashing 113
chemical regeneration 113–114
demineralisation 110
dual-bed demineralisation 111, 111f
function 108
limitation 110
membranes 26
mixed-bed (MB) 111–112
physical characteristics 110
regeneration cycle 112–113, 114f
resins 108, 109
softening 
calcium and magnesium ions 93
dealkalisation 93
exhausted resin 92–93
hydrogen ions 93
strong acid cation (SAC) 92
strongly acidic cation resins 108–109
strongly basic anion (SBA) resins 109
WBA resins 109
weak acidic cation resins 109
isothermal membrane distillation 203–205

L

landfill leachate, water treatment 
MBR system 189–190
multi-staged RO and reject RO integrated membrane system 190, 190f
Langelier Saturation Index (LSI) 409, 410t
leaf protein 195–197
lime softening 
calcium and magnesium 91
coagulants 92
description 91
hot lime softening (HLS) 91–92
inorganic coagulants 91–92

M

macromolecules fractionation 59–60
manganese green sand filtration (MGF) 102–103
mass transfer coefficient 14–16
mechanical vapour recompression (MVR) 181
membrane bioreactors (MBRs) 
aeration process 273–274, 275f
applications 275–277
biological degradation 273, 274f
external and submerged 100
filtration 99
irrigation purposes 274–275
MLSS 274
municipal wastewater treatment 100
organic pollution 273
sewage and wastewater treatment 273–277
membrane cleaning 
chemical and physical method 165
chlorine 167
clean-in-place (CIP) system 169–172, 170f
detergent cleaning action 167–168, 168f
dirt removal, solid surface 167–168, 169f
elements, chemicals 166, 167t
enzymes 167
filters cleaning procedure 172
flux recovery 168, 170f
in situ RO/NF element cleaning procedure 169–172
tubular 165, 166f
membrane degasification 116, 117f
membrane filtration (MF) 
co-current permeate flow schemes 97, 98f
constant vs. pressure flux 334–335
continuous cross-flow filtration 98–99
cysts and bacteria 97
MBRs 99–100
municipal water treatment 97
periodic backwashing 97, 98f
semi-continuous dead-end filtration 99, 334
and UF 96
membrane fouling 
biological 131–134
cathodic paint, ultrafiltration 126, 128f
ceramic/polymeric hybrid 76
colloidal-organic matter complex 126, 127f
critical flux operation 122–123
crystallisation 124
feed water requirements 126, 128t
filtration applications 126–128
fouling-resistant 72–76
hydrodynamic methods 123
hydrogen sulphide 129
in-line chemical treatment 
antiscalant threshold treatment 136–137
dechlorination 135
pH adjustment 135–136
polymeric coagulants 134
RO/NF membrane plants 134
iron and manganese 128–129
natural organic matter (NOM) 121
organic 126, 130
PVDF microfiltration membrane 71–72, 74f
scaling location 129–130, 129t
SDI 128
silica 130–131
solution chemistry effect 121, 122f
sources 121, 121t
start-up conditions 123
total suspended solids (TSS) 121
treatment methods 129–130, 129t
water flux and quality loss 71
membrane gas absorption (MGA) 209
membrane materials, polymers 18–21, 19t, 20t
membrane modules 
ceramic 66, 68f
Du Pont hollow fibre 63, 65f
hollow fibre (HF) 66, 67f
short flow-path 66–69, 68f
SW, high-performance 65–66
tubular 63, 65f
membrane polymer performance 380–381
membrane processes 
capital and operating costs assessment 360–362
dialysis 43–45
energy saving 364–366
membrane contactor (MC) 53–54
membrane distillation (MD) 54–55
microfiltration (MF) 39–43
pervaporation (PV) 52–53
process flow diagram 342, 346f, 347f
survey, energy consumption 342–353
temperature effect 353–359
water treatment chart 342, 343t
membrane reactors 55
membrane recycle bioreactor (MRB) 207–208
membrane sanitisation 
chemical 172–173
hot water sanitisation (HWS) 173–175, 174t
membrane scaling 
brackish waters 125
calcium/bicarbonate concentration 125
calcium carbonate 124–125
feed water requirements 124–125, 125t
scaling process 124
membrane separation 
classification, commercialised processes 9–10, 10t
definition 8–9
process 8–9, 9f
selectivity 13
transport, solvent and solute 10–12
membrane systems design 
basic controls 144–145
cellulose acetate (CA) 138
controller start-up output condition 146
control system diagram 142, 142f
description 144
energy consumption calculation 340
full-fit modules (FFM) 139–140
high recovery/product quality 143–144, 143f
manufacturers 139
membrane spiral wound elements, RO and NF 139, 140t
osmotic pressure 138
performance monitoring 163–164
permeate tubes 141–142, 141f
process control valves 146
product quality controls 147
RO and NF systems 137–138
RO/NF systems 340–341
safety features 147–148
second-pass RO unit process 148f
spiral-wound RO membrane element 139, 139f
standard SW modules 139
tapered configuration 141–142, 141f
temperature effect 353–359
thin-film composite (TFC) 138
UF/MF systems 341–342
membrane technology 
industrial applications 1
product quality 2
micellar-enhanced ultrafiltration (MEUF) 58–59
microelectronics rinse water 
applications 246–247
hybrid membrane plant 248
residual organic contaminants 249–250
RO product water 250
ultrapure water applications 246–247, 247f
ultraviolet irradiation 249–250
VLSI 246–247
water quality specifications 250, 250t
wet cleaning processes 247–248
wet immersion lithography 248
microfiltration (MF) 
alumina and zirconia 40
dead-end cartridge filters 42–43
food oils 41
membrane milestones 3t, 39
municipal water treatment 41
polymeric materials 40
and submerged MF (sMF) 41
microporous membranes 
concentration polarisation profiles 386, 386f
hollow fibre 54
microorganisms removal 4
porous wall 384–386, 385f
separation processes 9f
size and discrimination 13
slip-flow velocity profiles 384–386, 385f
UF and MF 25
microprocessor-based control systems 
analogue signal 393
instruments and control systems 393
operator interface system (OIS) 393
PLC controls 392–393
mineral precipitation 406–407
mixed-bed ion exchange (MBIX) 
acid regeneration 292
anion and cation resins 292
cross contamination 112
deionisers 291
demineralisation 111–112
design criteria 295
preventive maintenance 324–325
regeneration systems 323–324
ultraviolet (UV) lamps 324
valve operation 296t
water resistivity 291
molecular weight cut-off (MWCO) 26–27
municipal water application 
Colorado River water 264–265
electrocoagulation (EC) 105–106
hollow fibre modules 99
low pressure MF/UF membranes 261
MF/UF drinking water plants 261–264, 262t
pressure decay test (PDT) 265
submerged membrane filtration (sMF) 175–176
Western Corridor Recycled Water (WCRW) 265
MVC-RO hybrid desalination 185

N

nanofiltration (NF) 
Donnan exclusion 26, 33, 48
Donnan potential 33
NF array design 148–153
organics removal 34, 115
water softening 34–35
non-DI water ion exchange (IX) applications 
carbohydrate refining 115
industrial wastewater treatment 115
nitrates removal 115
organics removal 115
pharmaceutical processing 116

O

oil processing, corn 197–200
Opex 360–362
Orange County Water District (OCWD) 267, 270–271
organic fouling, humic acid and fulvic acid 130
osmosis 
flavour compounds recovery 203–205
forward osmosis (FO) 61–62
permeable barrier 3
pressure-retarded osmosis 60–61
reverse osmosis (RO) 28–33
ozonation 104

P

PA membranes 
aromatic polyamide polymer 382, 383f
chlorinarion, chain cleavage reaction 382, 383f
polyamide ring 382, 383f
polymer nitration reaction 384, 384f
thin-film composite (TFC) 
performance 380
properties 381
plastics 402–403
plate-and-frame (PAF) arrangement 5
advanced membrane 69, 70f
polyacrylic acids (PAA) 137
polyelectrolyte-enhanced ultrafiltration (PEUF) 57–58, 58t
polyelectrolytes 88–89
pore size characteristics 421t
power plant water 353
preferential sorption-capillary flow model 381
pressure-retarded osmosis 60–61
primary RO (PRO) system 365
process controls 392–394
programmable logic controller (PLC) 145–146

R

reverse osmosis (RO) 
beverage and microelectronics 33
boiler feed water 32–33
concentrated salt solution 28–29
feed water analysis, NF 404–406
flux characteristics, membrane 154f
operating variables 29
osmotic pressure 6, 17, 28–29, 44
RO array design 
computer-generated design 150–151
membrane plant characteristics 154f
product water recovery 149–150
salt flow rate 148
single-pass RO membrane design 150–151, 151f
system performance projection 151–153, 152t
single-pass systems 330
unit designs 360–361
Reynolds numbers, flow systems 378t
RO membranes 
aromatic polyamides 21
CA and PA membranes 22, 22t
design criteria 293–295
inter-chain displacement 24
interfacial polymerisation 22–23
RO membrane system 
equipment selection 224, 290
high-pressure pump 288–289
pre-treatment system 286–288
properties 22–23, 23t
“quality rinse” phase 289
unit performance analysis 315t, 322
valve operation, controls 293–295, 294t

S

scale inhibitors/antiscalants (A/S), threshold agents 
sodiumhexametaphosphate (SHMP) 137
Schmidt number 17, 387
seawater RO (SWRO) 
alternate system designs 221–222
Brisbane suburbs 227
dual-purpose plants 217–219
energy consumption survey 342–353
energy recovery 219–221
feed water pre-treatment 224
Gold Coast (Queensland) SWRO 227
high-pressure feed seawater 223
high product water recovery 224–227
hollow-fibre cellulose triacetate (CTA) 224
large SWRO plants 217, 218t
NF-RO-MSF 186–187
particulate fouling 224
polarisation 354
pre-treatment train 227
process and instrumentation diagram (P&ID) 224, 225f
seawater intake 221
single-pass system 347–349
single-stage membrane system 224, 226f
unit design parameters 354, 355t
semi-continuous dead-end UF/MF membrane system 335–336, 335f
Sherwood number 157, 387
Silt Density Index (SDI) 66–69, 94, 128, 134, 222–223, 258–259, 272
slip velocity/coefficient, measurement 384–386
softening 
description 91
ion exchange (IX) 92–93
lime 91–92
nanofiltration (NF) 93–94
solubility product 
sparingly soluble salts 17, 29, 70–71, 125–126, 136–137, 149–150, 287, 328
solute, back transport mechanisms 14–16
solute flux 29, 36, 43
solution chemistry, effect 121, 122f
solution-diffusion (SD) model 7
specific energy consumption (SEC) 
energy consumption survey 342–353
SWRO 339
spiral wound (SW) membrane 63, 63f
stainless steel (SS) 
duplex steel 360–361
materials properties 401–402
vs. plastics 403
Stokes–Einstein equation 388
submerged membrane filtration (sMF) 
Kuboto flat-sheet sMF 267, 267f
Memcor sMF 270, 271
OCWD 270–271
process flow sheet 269, 269f
programmable logic controller (PLC) 269–270
raw surface water 270
RO membrane-based water treatment system 271, 272f
UF/MF modules 266–267
wastewater treatment plants 267
WF21, Orange County, CA 271
surface water membrane filtration 350
surfactant-based ultrafiltration (SBUF) 387–388
synthetic membrane 
asymmetric homogenous membrane 4–5
developments 3, 25
permeability, factors 3, 18, 380
Sourirajan–Loeb membrane 4–5, 11, 18
technology 1, 3, 18
TFC membrane 380

T

TFC membrane types 30, 31t
thermal evaporation system 181–182, 184
total organic carbon (TOC) 
coagulant addition 97
feed water 273
UV light 296–297, 304f
transmembrane pressure (TMP) 41, 58, 100, 161, 266–267, 270, 277, 334–335, 336–337, 341–342
turbidity 97, 99, 128, 200, 270, 287, 336

U

UF/MF design 
batch filtration 156
ceramic membranes/modules 421t
commercial processes 157, 158f
constant flux (variable pressure) 161
description 154–161
feed-and-bleed (F&B) design 156
flux (J) vs. feed concentration 157, 159f
mass transfer coefficient 157
multiple array design 156–157, 157f
single-pass system 155–156
standard flux vs. concentration plot 159–161
tubular plant parameters 160t
water treatment cost 362
ultrafiltration (UF) 
concentration polarisation 13–18, 193, 386
dairy industry 38
hydrodynamic resistance 35
and MF applications 37–38
microelectronics and pharmaceuticals 39
microsolutes osmotic pressure 36
phase inversion process 36–37
polymers, membrane 6, 18, 20, 25, 26, 73, 76
slip-flow polarisation model 16, 386
solute flux 36
ultra pure water (UPW), water treatment system 352–353
ultraviolet (UV) light lamps 104–105, 331
United States Pharmacopoeia (USP) grade water 
drug manufacturing facility 251–253
pharmaceutical manufacturing 251, 252f
plant operation modifications 253–254
quality requirement, application 251, 251t

V

Van’t Hoff relationship 28–29
variable frequency drive (VFD) 290
vegetable oil, integrated membrane process 
deacidification 199
degumming 199
dewaxing 199
metal removal 199
vegetable proteins, hybrid systems 195

W

wastewater treatment 
constituents 411
industrial 
first phase expansion 259
Hyperion wastewater plant 259
MF unit 258–259
oil refinery 258f, 260–261
RO pre-treatment, MF 260–261, 260f
secondary RO (SRO) system 261
secondary treatment sewage effluent 255–256, 257–258
semiconductor manufacturing plants 255
tubular cross-flow MF membrane system 261
wafer manufacturing facility 255–256
trace contaminants 412
water and membrane treatment 
availability and application 81
chemicals 416t
coagulation 88–91
constituents and treatment methods 85, 86t
demands and quality 82
description 81
feed water 84–85, 84t
industrial water management 83
MF/UF 83
municipal wastewater 85
nitrates 81–82
RO/NF membrane systems 83–84
scarcity 82
softening 91–94
source, feed water 85
World Health Organisation (WHO) 81
water desalination 
brackish water RO 228–236
creative engineering solutions 216–217
electrodialysis (ED/EDR) 214
high recovery/brine treatment membrane processes 240–243
integrated membrane system systems 214
lower salinity source 216–217
membrane desalination costs 215–216
RO membrane desalination 213
seawater RO 213, 214f
water reclamation/recycling 
industrial treatment 255–261
municipal water application 261–266
projects 254–255, 256t
submerged membrane filtration 266–273
water tank system 
equipment specifications 330
RO 331
wet milling, corn 200

Z

zero discharge desalination (ZDD) 242
zero liquid discharge (ZLD) 184–185
Zeta potential 88, 228
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