Foreword |
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v | |
Contributors |
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vii | |
About the editors |
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ix | |
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Chapter 1 Introduction to desalination |
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1 | (28) |
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1 | (2) |
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1.2 Desalination technologies |
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3 | (11) |
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3 | (3) |
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6 | (6) |
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1.2.3 Energy consumption and cost |
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12 | (2) |
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1.3 Global desalination capacity |
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14 | (6) |
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1.3.1 Desalination capacity by technology and source water type |
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15 | (2) |
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1.3.2 Desalination capacity by region |
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17 | (1) |
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1.3.3 Desalination capacity per type of customer |
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18 | (2) |
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1.4 Desalination in developing countries |
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20 | (2) |
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1.5 Environmental concerns |
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22 | (3) |
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25 | (1) |
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26 | (1) |
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26 | (3) |
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Chapter 2 Basic principles of reverse osmosis |
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29 | (30) |
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29 | (1) |
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30 | (3) |
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2.2.1 Calculation of osmotic pressure |
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31 | (2) |
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33 | (3) |
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35 | (1) |
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35 | (1) |
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36 | (4) |
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39 | (1) |
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40 | (3) |
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43 | (1) |
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2.7 Concentration polarization |
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44 | (5) |
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2.7.1 Control of concentration polarization |
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46 | (1) |
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2.7.2 Effects of concentration polarization |
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47 | (1) |
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2.7.3 Concentration polarization factor |
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47 | (2) |
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2.8 Mass transfer coefficient |
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49 | (1) |
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2.9 Temperature and water quality |
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50 | (2) |
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2.10 Factors affecting reverse osmosis performance |
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52 | (1) |
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53 | (4) |
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2.12 System configuration |
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57 | (1) |
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58 | (1) |
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Chapter 3 Fouling and pre-treatment |
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59 | (26) |
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3.1 Introduction to fouling |
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59 | (2) |
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61 | (22) |
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3.2.1 Intakes, shore wells / beach wells |
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63 | (1) |
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3.2.2 Conventional pre-treatment processes |
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64 | (1) |
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65 | (1) |
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66 | (1) |
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3.2.5 Granular media filters |
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67 | (1) |
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68 | (2) |
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3.2.5.2 Vulnerability of media filtration |
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70 | (1) |
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71 | (1) |
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72 | (1) |
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3.2.5.5 Media and quality effluent |
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73 | (1) |
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3.2.5.6 Dual and multimedia filtration |
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74 | (1) |
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3.2.6 Inline coagulation (direct filtration) |
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74 | (1) |
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3.2.6.1 Commonly applied coagulants |
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75 | (1) |
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3.2.7 Flocculation -- sedimentation -- media filtration |
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75 | (1) |
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3.2.8 Dissolved air flotation |
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76 | (2) |
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3.2.9 Cartridge filtration |
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78 | (1) |
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3.2.10 Membrane pre-treatment |
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78 | (3) |
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3.2.11 Comparison between conventional and membrane pre-treatment |
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81 | (2) |
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83 | (2) |
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Chapter 4 Particulate fouling |
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85 | (40) |
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85 | (2) |
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87 | (1) |
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4.3 Particulate fouling equation |
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88 | (11) |
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4.3.1 Constant pressure filtration |
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90 | (1) |
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4.3.2 Constant flux filtration |
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90 | (2) |
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4.3.2.1 Cross-flow and dead-end filtration |
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92 | (1) |
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4.3.3 Modelling particle deposition in RO |
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92 | (1) |
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4.3.3.1 Mass balance equations |
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93 | (3) |
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4.3.3.2 Particle deposition mechanisms |
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96 | (2) |
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4.3.4 The particulate fouling prediction model |
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98 | (1) |
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4.3.4.1 At constant pressure |
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98 | (1) |
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98 | (1) |
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4.4 Silt density index (SDI) |
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99 | (8) |
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4.4.1 Weaknesses of the SDI |
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102 | (1) |
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4.4.1.1 SDI versus turbidity |
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103 | (1) |
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4.4.1.2 Non-correlation with concentration of particles |
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103 | (1) |
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4.4.1.3 Membrane material |
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104 | (1) |
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4.4.1.4 Water temperature |
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105 | (1) |
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4.4.2 Predictive value of the SDI |
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106 | (1) |
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4.5 Modified fouling index (MFI) |
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107 | (5) |
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4.5.1.1 Effect of membrane support holder in SDI and MFI0.45 |
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110 | (1) |
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4.5.2 Predicting the rate of fouling in spiral wound RO elements with MFI.045 |
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111 | (1) |
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4.6 Modified fouling index-ultrafiltration (MFI-UF) |
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112 | (6) |
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4.6.1 MFI-UF constant pressure |
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112 | (2) |
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4.6.2 MFI-UF constant flux |
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114 | (1) |
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115 | (1) |
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115 | (1) |
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4.6.3 Predicting pressure increase in RO systems |
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116 | (2) |
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4.7 Predicting pressure development in micro- and ultrafiltration systems |
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118 | (4) |
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122 | (3) |
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Chapter 5 Organic and biological fouling |
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125 | (20) |
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5.1 What is organic fouling and biofouling? |
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125 | (3) |
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5.2 Impact of organic fouling and biofouling on plant operation |
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128 | (2) |
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130 | (1) |
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5.4 Prediction of biofouling potential in RO feedwater |
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130 | (2) |
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5.4.1 Colony forming units (CFU) |
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131 | (1) |
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5.4.2 Total direct cell (TDC) count |
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131 | (1) |
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5.4.3 Adenosine triphosphate (ATP) content |
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131 | (1) |
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5.4.4 Assimilable organic carbon (AOC) |
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132 | (1) |
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132 | (4) |
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132 | (1) |
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5.5.2 Acid and base coupled with chelating agents |
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133 | (2) |
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135 | (1) |
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136 | (1) |
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5.6 Membrane fouling characterization methods |
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136 | (1) |
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5.6.1 Fourier transform-infrared (FT-IR) |
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136 | (1) |
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5.6.2 Scanning electron microscopy (SEM) |
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137 | (1) |
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5.6.3 Confocal scanning electron microscopy (CLSM) |
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137 | (1) |
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5.6.4 Atomic force microscopy (AFM) |
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137 | (1) |
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5.7 Present efforts and future research directions |
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137 | (3) |
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5.7.1 Membrane surface modification |
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137 | (1) |
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138 | (2) |
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140 | (5) |
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Chapter 6 Algal blooms and RO desalination |
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145 | (42) |
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145 | (1) |
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146 | (7) |
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6.2.1 Factors triggering algal blooms |
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147 | (2) |
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149 | (1) |
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6.2.2.1 Toxic micro-algal blooms |
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149 | (1) |
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6.2.2.2 Non-toxic micro-algal blooms |
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149 | (1) |
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6.2.2.2 Macro-algal blooms |
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150 | (1) |
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6.2.3 Algal-derived organic matter |
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150 | (1) |
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6.2.3.1 Extracellular organic matter |
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151 | (1) |
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6.2.3.2 Intracellular organic matter |
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152 | (1) |
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6.2.3.3 Taste and odour compounds |
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152 | (1) |
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6.3 RO challenges during algal blooms |
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153 | (6) |
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153 | (1) |
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6.3.1.1 Fate of algal toxins through RO |
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154 | (1) |
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6.3.2 Pre-treatment challenges |
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155 | (1) |
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6.3.2.1 Clogging of granular media filters |
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155 | (1) |
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156 | (1) |
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157 | (2) |
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6.4 Algal bloom monitoring in RO plants |
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159 | (7) |
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6.4.1 Conventional parameters |
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159 | (1) |
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6.4.2 Algae concentration |
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159 | (1) |
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160 | (1) |
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160 | (1) |
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6.4.2.3 Remote sensing to monitor algal bloom transport and landfall |
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160 | (1) |
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6.4.3 Algal organic matter characterisation |
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161 | (1) |
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6.4.3.1 Liquid chromatography - organic carbon detection (LC-OCD) |
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162 | (1) |
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162 | (1) |
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6.4.3.3 TEP concentration |
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163 | (1) |
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163 | (1) |
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6.4.3.5 Taste and odour compounds |
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164 | (1) |
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6.4.4 Particulate fouling potential |
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164 | (1) |
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6.4.5 Biological fouling potential |
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165 | (1) |
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6.5 Operational & pretreatment strategies |
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166 | (10) |
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6.5.1 Toxin risk management in RO plants |
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166 | (1) |
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6.5.2 Seawater intake design considerations |
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167 | (1) |
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6.5.3 Chlorination and de-chlorination |
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168 | (1) |
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6.5.4 Dissolved air flotation |
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169 | (1) |
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6.5.5 Granular media filtration |
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170 | (1) |
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6.5.6 Microfiltration and ultrafiltration |
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170 | (2) |
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6.5.7 Emerging pretreatment solutions |
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172 | (1) |
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6.5.7.1 Ultrasonic algae control at the water intake |
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172 | (1) |
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6.5.7.2 Integrated flotation-filtration pretreatment |
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173 | (1) |
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6.5.7.3 Auto-adaptive operation of MF/UF pretreatment |
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174 | (2) |
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176 | (11) |
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Chapter 7 Inorganic fouling |
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187 | (20) |
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187 | (1) |
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7.2 Origin of iron and manganese |
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188 | (3) |
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7.2.1 Anaerobic conditions |
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189 | (1) |
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190 | (1) |
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7.2.3 Degree of anaerobia |
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190 | (1) |
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7.3 Composition of groundwater and beach wells |
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191 | (4) |
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195 | (1) |
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7.4 Membrane fouling due to iron and manganese |
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195 | (2) |
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7.4.1 Fouling due to iron |
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195 | (1) |
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7.4.2 Fouling due to manganese |
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196 | (1) |
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7.5 Rate of oxidation iron (II) and manganese (II) |
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197 | (1) |
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7.6 How to avoid fouling due to iron (II) and manganese (II) |
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198 | (6) |
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7.6.1 Controlling membrane fouling due to iron and manganese |
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199 | (1) |
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7.6.2 Removal of iron and manganese |
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200 | (1) |
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7.6.2.1 Aeration followed by sand filtration |
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200 | (1) |
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200 | (2) |
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7.6.2.3 Manganese removal |
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202 | (1) |
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7.6.2.4 Polishing with cartridge filtration |
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203 | (1) |
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204 | (2) |
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206 | (1) |
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207 | (36) |
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207 | (6) |
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8.1.1 Solubility of salts and supersaturation |
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208 | (3) |
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8.1.2 Precipitation kinetics |
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211 | (1) |
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211 | (1) |
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212 | (1) |
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8.1.2.3 Concept of induction time |
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212 | (1) |
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8.2 Factors affecting scaling |
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213 | (3) |
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8.2.1 pH in RO concentrate and in RO permeate |
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214 | (2) |
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8.3 Types of scale encountered in RO |
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216 | (4) |
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8.3.1 Calcium carbonate scaling |
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216 | (1) |
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8.3.2 Calcium sulphate scaling |
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217 | (1) |
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8.3.3 Silica/metal silicates |
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218 | (1) |
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8.3.4 Barium sulphate scaling |
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218 | (1) |
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8.3.5 Calcium phosphate scaling |
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219 | (1) |
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8.4 Prediction of scaling tendency |
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220 | (3) |
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220 | (1) |
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8.4.1.1 Saturation index (SI) |
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220 | (1) |
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8.4.1.2 Supersaturation ratio (Sr) |
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221 | (1) |
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8.4.1.3 Langelier saturation index (LSI) |
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222 | (1) |
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8.4.1.4 Stiff-Davis stability index (S&DSI) |
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222 | (1) |
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8.4.1.5 Calcium carbonate precipitation potential (CCPP) |
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222 | (1) |
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8.5 Scaling predictions with computer software |
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223 | (1) |
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8.5.1 Commercial programs |
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223 | (1) |
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224 | (1) |
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8.6 Monitoring scaling in RO |
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224 | (7) |
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8.6.1 Sensors and data monitoring |
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224 | (1) |
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8.6.2 Parameters used to monitor scaling in RO systems |
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225 | (4) |
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229 | (2) |
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8.7 Scaling control and antiscalants |
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231 | (3) |
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8.7.1 Altering feed water characteristics |
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231 | (1) |
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8.7.2 Optimization of operating parameters and system design |
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232 | (1) |
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8.7.3 Addition of scale inhibitors/antiscalants |
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232 | (1) |
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233 | (1) |
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8.8 Determination of antiscalant dose in ro systems |
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234 | (2) |
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8.8.1 Dosage determination of scale inhibitor (antiscalant) |
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234 | (1) |
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8.8.2 Dosage control and optimization |
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235 | (1) |
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236 | (1) |
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8.9 Scaling in seawater reverse osmosis |
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236 | (3) |
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8.9.1 Case study: SWRO pilot plant at the North Sea in the Netherlands |
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236 | (3) |
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239 | (4) |
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Chapter 9 Process design of reverse osmosis systems |
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243 | (22) |
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243 | (4) |
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244 | (1) |
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245 | (2) |
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247 | (1) |
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248 | (16) |
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9.3.1 Step 1 - Simplified calculation of permeate concentration |
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248 | (1) |
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9.3.2 Step 2 - Calculation number of elements and pressure vessels |
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249 | (1) |
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9.3.3 Step 3 - Membrane permeability coefficients for water and salt |
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250 | (1) |
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9.3.3.1 Calculation of membrane permeability coefficient for water (Kw) |
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250 | (2) |
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9.3.3.2 Calculation of membrane permeability coefficient for salt (Ks) |
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252 | (1) |
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9.3.4 Step 4 - Preliminary calculation of feed pressure |
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253 | (1) |
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9.3.5 Step 5 - Calculations of flows, recovery, and concentration polarization factor for each element |
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254 | (4) |
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9.3.5.1 Calculation of the concentration polarization factor |
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258 | (1) |
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9.3.6 Step 6 - Calculations of permeate quality |
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259 | (1) |
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9.3.6.1 Assuming a constant salt rejection (no flux effect) |
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259 | (1) |
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9.3.6.2 Salt rejection depends on the flux |
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259 | (2) |
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9.3.7 Step 7 - Cross-flow velocity calculation |
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261 | (1) |
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9.3.8 Step 8 - Energy consumption |
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261 | (1) |
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9.3.8.1 Energy to raise the pressure of 1 m3 to 1 bar |
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261 | (1) |
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9.3.8.2 Without energy recovery device (ERD) |
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262 | (1) |
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9.3.8.3 With energy recovery device (ERD) |
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262 | (1) |
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262 | (2) |
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264 | (1) |
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Chapter 10 Recent advances in SWRO and emerging membrane-based processes for seawater desalination |
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265 | |
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10.1 Introduction and background |
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265 | (1) |
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10.2 Seawater reverse osmosis (SWRO) |
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266 | (2) |
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10.2.1 Recent trends in seawater reverse osmosis (SWRO) |
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266 | (1) |
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10.2.2 High Permeability reverse osmosis (HR-RO) membranes |
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267 | (1) |
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10.2.3 Anti-fouling reverse osmosis (AF-RO) Membranes |
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267 | (1) |
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10.2.4 Closed circuit reverse osmosis (CC-RO) |
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268 | (1) |
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10.2.5 Flow reversal reverse osmosis (FR-RO) |
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268 | (1) |
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10.3 Other membrane-based seawater desalination processes |
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268 | (3) |
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10.3.1 Forward osmosis (FO) desalination |
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268 | (1) |
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10.3.2 Membrane distillation (MD) desalination |
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269 | (1) |
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10.3.3 Electrodialysis (ED) desalination |
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270 | (1) |
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10.4 Membrane based salinity gradient energy processes |
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271 | (1) |
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10.4.1 Pressure retarded osmosis (PRO) |
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271 | (1) |
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10.4.2 Reverse electrodialysis (RED) |
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272 | (1) |
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10.5 Renewable energy-driven desalination |
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272 | (1) |
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10.6 Innovations and trends in SWRO pre- and post-treatment |
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273 | (1) |
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10.6.1 Innovations in SWRO pre-treatment |
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273 | (1) |
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10.6.2 SWRO post-treatment trends |
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273 | (1) |
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274 | |