Water Research Volume 45 Issue 12

IFC_IFC_Editorial-BoardPublication-Information_WATRES......Page 1
 Ozone oxidation for the alleviation of membrane fouling by natural organic matter: A review......Page 2
1 Introduction......Page 3
3.1 Ozone reacts selectively with certain functional groups in NOM......Page 4
3.2 Which functional groups in the NOM can act as a promoter or inhibitor of O3 decomposition?......Page 6
3.3 Reaction mechanisms of NOM with OH radicals......Page 9
3.5 Guidelines for finding the optimal dose of H2O2 in water treatment......Page 10
4.2.1 Results obtained by high-performance size exclusion chromatography (HPSEC)......Page 11
4.2.2 Aggregation of humic substances by calcium and magnesium......Page 14
4.3 Electrostatic interactions and hydrogen bridges......Page 16
 References......Page 17
3571_3578_Performance-of-granular-zirconium–iron-oxide-in-the-removal-of-fluoride-from-drinking-water_WATRES......Page 22
1 Introduction......Page 30
1 Introduction......Page 89
2.2 Cryptosporidium modelling theory......Page 118
2 Mathematical model......Page 164
2.3 Salmonella/microsome assays......Page 23
3.2 Relatively hydrophobic chemicals......Page 24
3.2.2 Effect of pH on fluoride removal......Page 25
3.2.3 Kinetic rate parameters......Page 26
3.4 Column tests using real F−-containing groundwater......Page 27
4 Conclusions......Page 28
 Supplementary data......Page 29
 References......Page 193
2.1 Reactor operating conditions......Page 31
2.2.3 Saturated hydraulic conductivity......Page 33
2.10 Log removal......Page 34
3.3 Identification of potential DBP precursors: correlations between surrogate compounds and DBPFPs......Page 93
3.1 Experimental set-up......Page 200
3.4 Saturated hydraulic conductivity......Page 35
4.1 Clogging indicators......Page 36
4.2 Effect of primary treatment on clogging development......Page 37
4.4 Effect of vegetation on clogging development......Page 38
 References......Page 39
 References......Page 76
1 Introduction......Page 41
2.2 Chemical fate processes in melting snow......Page 42
3.1 Flocculation region and residual titanium concentration......Page 43
3.1 Toxicity of FNA to anaerobic sewer biofilm......Page 189
3.2 Floc properties......Page 44
3.4.2 Biosolids samples......Page 45
4.1 Release of viruses by WWTPs......Page 46
4 Conclusions......Page 129
4.3 Comparing the removal of HAdV and EV in MBR and conventional WWTPs......Page 47
 Appendix Supplementary information......Page 48
 Acknowledgments......Page 184
3599_3613_Multi-biochemical-responses-of-benthic-macroinvertebrate-species-as-a-complementary-tool-to-diagnose-the-cause-of-community-impairment-in-polluted-rivers_WATRES......Page 50
1 Introduction......Page 155
1 Introduction......Page 51
2.2 Physicochemical water measurements......Page 52
2.4 Biomarker analysis......Page 53
3 Results......Page 135
2.6.2 Llobregat data......Page 54
3.1 Relatively water soluble chemicals......Page 80
3.2 Freundlich isotherms......Page 55
4.2 Economic impacts......Page 169
5.2 General remarks on optimal water composition......Page 170
3.6 Llobregat data......Page 57
 Appendix A Supplementary information......Page 62
1 Introduction......Page 65
3.1.1 Flocculation region......Page 156
2.1 Procedure for the preparation of composite coagulants......Page 66
2.3.2 Study of coagulation kinetics......Page 67
4.3 Type 2 enrichment – particle and snow grain surface associated chemicals......Page 83
3 Results and discussion......Page 146
3.4.1 Effect of temperature......Page 211
3.1.1 Physicochemical properties......Page 68
3.1.2 Composition, chemical bonds and morphology of the composite coagulants......Page 69
3.2 Comparison of the prepared coagulants in water treatment......Page 72
3.3 Kinetics of coagulation......Page 74
1 Introduction......Page 78
2 Methods......Page 79
2.1.1 Rainwater harvesting system......Page 217
4.1 Chemical phase distribution of organic contaminants in melting snow......Page 82
 Appendix Supplementary material......Page 85
4.1 Biocidal effect of FNA......Page 191
5.4 Influence of internal snow surface area......Page 86
 References......Page 87
2.4 Freundlich sorption isotherms......Page 90
3.1.2 Indicative industrial contaminants......Page 94
3.2.2 Sludge-water distribution coefficients......Page 99
3.2.3 Correlation of log DOW and log KOC......Page 100
4.1 Water quality modeling......Page 167
 Appendix Supplementary data......Page 102
 References......Page 161
1 Introduction......Page 104
2.1 Coagulation experiments......Page 105
3 Results and discussion......Page 106
3.3 Effect of NOM......Page 108
 References......Page 114
 Modelling biological and chemically induced precipitation of calcium phosphate in enhanced biological phosphorus removal sy .........Page 116
1 Introduction......Page 117
2.1.2.1 Aqueous phase model......Page 196
2.3.1 Climate and hydrologic data......Page 120
2.3.2 SWAT set up and oocyst source characterization......Page 121
2.5 Statistical analysis......Page 122
3 Results......Page 123
3.2 Cryptosporidium oocyst transport......Page 125
3.3 Implications and interpretation......Page 128
3681_3691_Impact-of-ozonation-on-the-genotoxic-activity-of-tertiary-treated-municipal-wastewater_WATRES......Page 132
 Identification of potential nitrogenous organic precursors for C-, N-DBPs and characterization of their DBPs formation......Page 204
2.1 Chemicals......Page 133
2.2 Experimental set-up and sample collection......Page 134
3.1 Reactor performance and kinetics assessment......Page 206
4 Conclusions......Page 137
 References......Page 140
1 Introduction......Page 143
1 Introduction......Page 216
2.2 Data collection and analysis......Page 144
2.2.2 Current velocity......Page 145
3.2 HOx-induced variation in sediment O2 dynamics......Page 149
3.4 Spatial variation in influence of HOx......Page 151
 Acknowledgments......Page 152
 References......Page 153
2 Material and methods......Page 175
3.1.2 Residual titanium concentration......Page 157
3.2.3 Isoelectric point......Page 158
3.2.4 Floc images......Page 159
3.2.5 Floc characterization......Page 160
1 Introduction......Page 163
3.4 Effects under investigation......Page 165
3.5 Concentration-response relationships......Page 166
5.3 Scope and data inventory......Page 171
 References......Page 172
1 Introduction......Page 174
3.1 Survival of coliphage type strains of families in seeded test waters......Page 176
3.2 Inactivation of somatic coliphages by the physical agents of UV radiation and heat......Page 179
4 Discussion......Page 180
 The strong biocidal effect of free nitrous acid on anaerobic sewer biofilms......Page 186
2.2.2 FNA toxicity to disrupted biofilms......Page 188
3.2 Toxicity of FNA to disrupted biofilms......Page 190
4.2 Potential applications of FNA toxicity......Page 192
1 Introduction......Page 195
2.1.2.1.1 Processes......Page 197
2.1.2.2 Precipitation model......Page 198
3.3 Results and discussion......Page 201
 References......Page 202
2.1 Selection of DON surrogate compounds......Page 205
3.3.2 Treatments with NH2Cl......Page 209
3.4.2 Effect of pH......Page 212
4 Conclusions......Page 213
 References......Page 225
 References......Page 214
2.2.1 Chemical analysis......Page 218
2.3.2 Cluster analysis (CA)......Page 219
3.1 Descriptive statistics......Page 220
3.2 Multivariate methods......Page 222
1 Introduction......Page 227
2 Materials and methods......Page 228
3 Results......Page 229
3.3 SEM-EDX analysis......Page 231
3.4 XRD analysis......Page 232
4 Discussion......Page 233
4.2 Parameters controlling phosphorus precipitation in EBPR granular sludge......Page 234
4.3 Advantage of hydroxyapatite accumulation in granular sludge......Page 235
5 Conclusions......Page 236
1 Introduction......Page 238
2.1 Reagents and sample preparation......Page 239
2.2 Photocatalytic experiments......Page 240
3.1 Effect of pH......Page 241
3.2 Effect of alkalinity......Page 242
3.4 Effect of dissolved oxygen......Page 243
3.5 Natural water samples......Page 245
 References......Page 246
 Modelling sediment-microbial dynamics in the South Nation River, Ontario, Canada: Towards the prediction of aquatic and hum .........Page 248
1 Introduction......Page 249
2.1.1 Study site......Page 250
2.2.4 Erosion experiment......Page 251
3.2 Erosion characteristics......Page 252
3.3 Derivation of sediment transport functions......Page 253
3.5.3 Sediment re-suspension......Page 255
3.7 Flow computation using MOBED Model......Page 256
3.8.1 Implications of sediment associated bacteria to aquatic and human health......Page 257
 References......Page 259