Preface |
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xiii | |
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1 Introduction to Textiles and the Environment |
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1 | (10) |
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1 | (2) |
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1.2 Textile Fiber Manufacturing/Processing and the Environment |
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3 | (1) |
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1.3 Textile Finishing and the Environment |
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4 | (1) |
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1.4 Dyeing and the Environment |
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4 | (1) |
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1.5 Technologies and Methods to Cure the Textile-Infected Environment |
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5 | (2) |
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1.6 Reuse of Wastewater from the Textile Industry |
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7 | (1) |
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1.7 Conclusion and Perspectives |
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7 | (4) |
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8 | (3) |
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2 Synthetic Dyes: A Threat to the Environment and Water Ecosystem |
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11 | (16) |
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11 | (1) |
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2.2 Environmental Hazards Parallel to Dye Applications |
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12 | (6) |
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2.2.1 Impact on Human Health |
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13 | (2) |
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2.2.2 Impact on Growth of Crops and Plants |
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15 | (1) |
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2.2.3 Impact on Water Ecosystem |
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16 | (2) |
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2.3 Regulations and Toxicological Prospects of Synthetic Dyes |
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18 | (5) |
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2.4 Conclusion and Future Prospects |
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23 | (4) |
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24 | (3) |
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3 In Search of Natural Dyes Towards Sustainability from the Regions of Africa (Akebu-Lan) |
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27 | (18) |
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3.1 Role of Natural Dyes in the Tradition of the African Continent |
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28 | (2) |
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3.2 Indigenous Sources of Natural Dyes |
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30 | (4) |
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3.3 Dyeing and Processing Techniques |
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34 | (2) |
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3.4 Fashion Fabric with Natural Colors |
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36 | (5) |
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3.5 Natural Shades for Environmental Sustainability: Application Aspects |
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41 | (1) |
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42 | (3) |
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42 | (3) |
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4 Revitalization of Carotenoid-Based Natural Colorants in Applied Field: A Short Review |
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45 | (34) |
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4.1 Introduction of Natural Dyes |
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46 | (1) |
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4.2 Carotenoids as Natural Colorant |
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46 | (2) |
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4.3 Classification of Carotenoids |
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48 | (6) |
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4.3.1 Structure-Based Carotenoids |
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48 | (1) |
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48 | (2) |
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50 | (3) |
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53 | (1) |
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53 | (1) |
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53 | (1) |
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54 | (1) |
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4.4 Sources of Carotenoids as Natural Pigment |
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54 | (3) |
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54 | (2) |
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56 | (1) |
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4.5 Functional Assets of Carotenoids |
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57 | (3) |
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4.5.1 Antioxidant Activity |
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58 | (1) |
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4.5.2 Antimicrobial Activity |
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59 | (1) |
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4.5.3 Photoprotection Property |
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60 | (1) |
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4.6 Extraction Phenomenon of Carotenoids |
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60 | (5) |
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4.6.1 Conventional Methods |
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60 | (1) |
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61 | (1) |
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61 | (1) |
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61 | (1) |
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4.6.2.1 Supercritical Fluid Method |
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62 | (1) |
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4.6.2.2 Pressurized Liquid Extraction (PLE) |
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63 | (1) |
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4.6.2.3 Ultrasound Method |
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63 | (1) |
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4.6.2.4 Microwave Radiation |
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64 | (1) |
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4.6.2.5 Ultraviolet Radiation |
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64 | (1) |
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64 | (1) |
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4.7 Potential Resurgence of Carotenoids in Textile |
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65 | (3) |
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65 | (1) |
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66 | (1) |
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67 | (1) |
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67 | (1) |
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68 | (1) |
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68 | (1) |
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68 | (1) |
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68 | (11) |
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69 | (1) |
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69 | (10) |
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5 Environmentally Sound Dyeing of Cellulose-Based Textiles |
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79 | (22) |
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79 | (1) |
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5.2 Cellulose-Based Textiles |
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80 | (1) |
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5.3 Common Preparation Processes and Environmental Impacts |
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81 | (1) |
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5.4 Dyeing of Cellulosic Substrates |
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82 | (2) |
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5.5 Environmental Impacts of Conventional Dyeing |
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84 | (4) |
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5.6 Cleaner Production Opportunities |
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88 | (1) |
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89 | (12) |
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95 | (6) |
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6 Environmentally-Friendly Textile Finishing |
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101 | (30) |
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6.1 Use of Enzymes in Textile Finishing |
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101 | (6) |
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102 | (2) |
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104 | (1) |
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105 | (2) |
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6.1.4 Hydrophilic Finishing |
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107 | (1) |
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107 | (3) |
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6.2.1 Finish Containing Low "Free Formaldehyde" |
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108 | (1) |
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6.2.2 Non-Formaldehyde Finish |
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108 | (2) |
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110 | (3) |
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113 | (2) |
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6.4.1 Short-Chain Fluorocarbon |
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114 | (1) |
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6.5 Flame-Retardant (FR) Finish |
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115 | (4) |
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117 | (1) |
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6.5.2 Replacing Formaldehyde Chemistry |
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118 | (1) |
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6.5.3 Novel Surface Chemistries |
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119 | (1) |
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6.6 Ultraviolet (UV) Protection Finish |
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119 | (1) |
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120 | (2) |
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6.7.1 Plasma Application on the Finishing of Natural Fibers |
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121 | (1) |
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6.7.2 Plasma Application on the Finishing of Synthetic Fibers |
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121 | (1) |
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6.8 Energy-Efficient and Water-Saving Finishing Processes |
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122 | (9) |
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6.8.1 Low Wet Pickup Methods |
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122 | (1) |
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6.8.2 Hotmelt Polymers/Adhesives |
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123 | (1) |
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6.8.3 Minimization of Energy Consumption of Stenter Frames |
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123 | (1) |
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124 | (1) |
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124 | (7) |
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7 Functional Finishes for Cotton-Based Textiles: Current Situation and Future Trends |
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131 | (60) |
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131 | (2) |
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133 | (7) |
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7.2.1 Essential Properties of Finishing Agent |
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134 | (1) |
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7.2.2 Current Easy Care Finishing Agent |
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134 | (1) |
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7.2.3 Cross-Linking of Cellulose Structure |
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134 | (6) |
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140 | (1) |
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140 | (10) |
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7.3.1 Desirable Properties |
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141 | (1) |
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142 | (1) |
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7.3.3 Chemical Structures |
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142 | (1) |
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142 | (1) |
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142 | (5) |
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147 | (1) |
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7.3.4.3 Chemical Structure |
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147 | (1) |
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7.3.5 Mode of Interaction |
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147 | (1) |
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7.3.6 Evaluation of the Performance of the Soft Finish |
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147 | (3) |
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7.4 Hydrophobic and Oleophobic Functional Finishes |
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150 | (1) |
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150 | (1) |
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7.4.2 Water-and Oil-Repellent Finishing Agents |
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151 | (1) |
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151 | (1) |
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7.5 Flame- Retardant Functional Finish |
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151 | (9) |
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7.5.1 Factors Affecting Functionalization |
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155 | (1) |
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155 | (1) |
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155 | (2) |
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7.5.4 Flame-Retardant Types |
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157 | (3) |
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160 | (1) |
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160 | (8) |
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160 | (1) |
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7.6.2 Requirement of Antimicrobial Finishes |
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161 | (1) |
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7.6.3 Antimicrobial Agents |
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161 | (1) |
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7.6.4 Methods of Application |
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161 | (1) |
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161 | (7) |
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7.7 UV Protection Functional Finishes |
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168 | (3) |
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7.7.1 Factors Affecting UV-Blocking Ability |
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168 | (1) |
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7.7.2 UV-Protection Mechanisms |
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168 | (1) |
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7.7.3 Application Methods |
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168 | (3) |
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7.7.4 Evaluation of UV-Protection Textiles |
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171 | (1) |
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7.8 Recent Developments in Functional Finishes |
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171 | (1) |
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171 | (20) |
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179 | (12) |
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8 Remediation of Textile Effluents via Physical and Chemical Methods for a Safe Environment |
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191 | (44) |
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8.1 Physical Methods for the Wastewater Treatment Processes |
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192 | (19) |
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8.1.1 Screening Removal System |
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192 | (1) |
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192 | (1) |
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193 | (1) |
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8.1.1.3 Cleaned Screens through Hand |
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193 | (1) |
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8.1.1.4 Cleaned Screens through Mechanical Process |
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193 | (1) |
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194 | (1) |
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195 | (1) |
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195 | (1) |
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196 | (1) |
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8.1.4 Solids Separation through Sedimentation |
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197 | (1) |
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8.1.4.1 Parameters Influencing Sedimentation |
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197 | (1) |
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8.1.4.2 Types of Sedimentation Tank |
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197 | (1) |
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198 | (1) |
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8.1.5.1 Membrane Technology |
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199 | (1) |
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200 | (1) |
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8.1.5.3 Ultrafiltration (UF) |
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200 | (1) |
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201 | (1) |
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202 | (1) |
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203 | (1) |
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8.1.7.1 Adsorption by Activated Carbon (AC) |
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204 | (1) |
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8.1.7.2 Adsorption by Peat |
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205 | (1) |
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8.1.7.3 Absorption by Wood Chips |
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205 | (1) |
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8.1.7.4 Adsorption by Fly Ash and Coal (Mixture) |
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206 | (1) |
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8.1.7.5 Adsorption by Silica Gel |
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207 | (1) |
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8.1.8 Electro-Kinetic Coagulation |
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207 | (1) |
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8.1.9 Coagulation and Flocculation |
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208 | (1) |
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209 | (2) |
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8.2 Chemical Methods for Wastewater Treatment |
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211 | (10) |
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211 | (1) |
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211 | (1) |
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212 | (1) |
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8.2.4 Oxidation/Reduction |
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212 | (1) |
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8.2.5 Advanced Oxidation Process |
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213 | (1) |
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213 | (3) |
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216 | (2) |
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8.2.8 Photochemical Process |
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218 | (2) |
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220 | (1) |
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221 | (14) |
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222 | (1) |
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222 | (13) |
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9 Fenton and Photo-Fenton Oxidation for the Remediation of Textile Effluents: An Experimental Study |
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235 | (18) |
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236 | (1) |
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9.2 Materials and Methods |
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237 | (1) |
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9.3 Results and Discussion |
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237 | (8) |
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237 | (2) |
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9.3.2 Effect of Contact Time |
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239 | (1) |
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9.3.3 Effect of Fe+2 Concentrations |
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240 | (1) |
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9.3.4 Effect of H2O2 Dose |
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241 | (1) |
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9.3.5 Effect of Initial Dye Concentration |
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242 | (1) |
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9.3.6 Effect of Temperature |
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243 | (1) |
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9.3.7 Effect of UV Radiation |
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244 | (1) |
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245 | (2) |
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9.4.1 Comparison of First-Order, Second-Order, and Behnajady-Modirshahla-Ghanbery Kinetic Models for AO3 |
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245 | (2) |
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9.4.2 Comparison of First-Order, Second-Order, and Behnajady-Modirshahla-Ghanbery (BMG) Kinetic Models for AY 216 at Different Intensities of UV Radiation at a Wavelength of 365 nm |
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247 | (1) |
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247 | (6) |
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249 | (4) |
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10 Recent Advances in the Processing of Modern Methods and Techniques for Textile Effluent Remediation---A Review |
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253 | (36) |
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254 | (1) |
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10.2 Pollution Problems with Associated Human Health and Environmental Risks |
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254 | (6) |
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10.3 Types of Textile Effluents |
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260 | (1) |
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261 | (1) |
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10.5 Traditional/Conventional Physicochemical Methods for Effluent Removal |
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262 | (10) |
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262 | (1) |
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10.5.1.1 Adsorption Process |
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262 | (3) |
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265 | (1) |
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10.5.1.3 Electro-Kinetic Coagulation |
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266 | (1) |
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10.5.1.4 Membrane Filtration/Separation |
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266 | (1) |
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10.5.2 Chemical Methods (Advanced Oxidative Processes) |
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267 | (1) |
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10.5.2.1 H202-Fe (II) Salts (Fenton's Reagent) |
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268 | (1) |
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269 | (1) |
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10.5.2.3 Photochemical Oxidation |
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270 | (1) |
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10.5.2.4 Sodium Hypochlorite |
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271 | (1) |
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10.5.2.5 Electrochemical Oxidation |
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271 | (1) |
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10.6 Biopolymers as Potential Wastewater Management Alternative |
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272 | (4) |
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276 | (13) |
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277 | (1) |
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278 | (11) |
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11 Removal of Heavy Metal Ions from Wastewater Using Micellar-Enhanced Ultrafiltration Technique (MEUF): A Brief Review |
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289 | (28) |
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290 | (1) |
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11.2 Removal of Single Metals by MEUF |
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291 | (10) |
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11.2.1 Removal of Arsenic |
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291 | (1) |
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11.2.2 Removal of Cadmium |
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292 | (2) |
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294 | (1) |
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11.2.4 Removal of Chromium |
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295 | (1) |
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11.2.5 Removal of Uranium |
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295 | (1) |
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295 | (1) |
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296 | (1) |
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296 | (1) |
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297 | (1) |
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11.2.10 Removal of Manganese |
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298 | (1) |
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11.2.11 Removal of the Platinum Group |
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298 | (1) |
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11.2.12 Removal of Americium |
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298 | (1) |
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11.2.13 Removal of Aluminum |
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298 | (1) |
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11.2.14 Removal of Palladium |
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298 | (1) |
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299 | (1) |
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11.2.16 Removal of Metals in the Presence of Other Metals |
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299 | (2) |
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11.3 Factors Affecting the Efficiency of MEUF |
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301 | (5) |
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11.3.1 Effects of Surfactant Concentrations |
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301 | (1) |
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11.3.2 The Effect of Ratio of Concentration of Surfactant to Metal Ion (S/M) |
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302 | (1) |
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11.3.3 The Effect of Mixed Micellization |
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302 | (1) |
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11.3.4 Effect of pH Value |
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302 | (1) |
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11.3.5 Effects of Electrolytes |
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303 | (1) |
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11.3.6 Effects of Transmembrane Pressure |
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303 | (1) |
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11.3.7 Effect of Temperature |
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304 | (1) |
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11.3.8 Effect of Nature of Membrane |
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304 | (1) |
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11.3.9 The Effect of Concentration of Metal Ion in Feed |
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304 | (1) |
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11.3.10 The Effect of Operating Time |
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305 | (1) |
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11.3.11 The Effect of Rate of Feed Flow |
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305 | (1) |
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11.3.12 Effect of Applied Pressure |
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305 | (1) |
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11.3.13 Effect of Initial Concentration of Metal Ions |
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306 | (1) |
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11.4 Surfactant Recovery from Retentate |
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306 | (1) |
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11.5 Summary (in Tabulated Form) |
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306 | (4) |
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310 | (7) |
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310 | (7) |
Index |
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317 | |