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xi | |
| Editors biography |
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xiii | |
| Preface |
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xv | |
| Acknowledgments |
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xvii | |
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Part One Nature of coal combustion products |
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1 | (96) |
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1 An introduction to the nature of coal |
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3 | (18) |
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1.1 Coal formation and rank |
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3 | (3) |
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1.2 Coal composition and mineralogy |
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6 | (5) |
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11 | (3) |
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14 | (1) |
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1.5 Future trends for clean coal technologies |
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15 | (6) |
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18 | (3) |
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2 Generation and nature of coal fly ash and bottom ash |
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21 | (46) |
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2.1 Common types of coal utilization |
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21 | (2) |
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2.2 Methods for CCP analysis |
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23 | (5) |
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2.3 Classification for standards |
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28 | (31) |
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59 | (8) |
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60 | (7) |
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3 Flue-gas desulfurization products and other air emissions controls |
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67 | (30) |
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67 | (1) |
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67 | (9) |
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76 | (8) |
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84 | (3) |
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87 | (10) |
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93 | (4) |
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Part Two Utilization of coal combustion products |
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97 | (118) |
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4 Introduction to the utilization of coal combustion products |
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99 | (22) |
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99 | (1) |
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4.2 Utilization in the United States |
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100 | (6) |
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4.3 Utilization in Australia |
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106 | (1) |
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4.4 Utilization in Europe |
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107 | (2) |
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4.5 Utilization in the United Kingdom |
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109 | (1) |
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4.6 Utilization in Israel |
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110 | (1) |
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4.7 Utilization in South Africa |
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111 | (1) |
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111 | (2) |
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113 | (3) |
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116 | (5) |
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118 | (3) |
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5 Coal fly ash as a pozzolan |
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121 | (34) |
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121 | (1) |
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121 | (1) |
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122 | (1) |
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5.4 Properties of fly ash and bottom ash |
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122 | (3) |
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5.5 Pozzolanic reaction of fly ash |
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125 | (2) |
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5.6 Influence of fly ash on the properties of concrete |
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127 | (16) |
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5.7 Examples of use in concrete |
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143 | (1) |
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5.8 Specifications for the use of fly ash in concrete |
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143 | (1) |
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5.9 High-volume fly ash concrete |
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144 | (2) |
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146 | (4) |
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150 | (1) |
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5.12 Structural pipe bedding |
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150 | (1) |
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150 | (1) |
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151 | (4) |
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151 | (4) |
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6 The utilization of flue-gas desulfurization materials |
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155 | (30) |
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155 | (1) |
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156 | (7) |
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163 | (1) |
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6.4 Agricultural applications |
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164 | (4) |
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168 | (1) |
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6.6 Livestock feeding and hay storage pads |
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169 | (1) |
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6.7 Waste stream pollutant fixation |
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170 | (1) |
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6.8 Landfill liner and cap |
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170 | (1) |
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171 | (6) |
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177 | (8) |
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177 | (8) |
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7 Fly ash-based geopolymer chemistry and behavior |
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185 | (30) |
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185 | (1) |
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7.2 Fly ashes used as precursors for alkali activation |
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186 | (4) |
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7.3 AAFA materials: (N,K)-A-S-H gel framework |
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190 | (5) |
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7.4 Tailored mix design for targeted properties (activators, class of ash, chemistry trends) |
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195 | (2) |
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7.5 Structural behavior of AAFA |
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197 | (5) |
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7.6 Fly ash for lightweight materials |
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202 | (1) |
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7.7 Commercial adoption of geopolymer concrete |
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203 | (1) |
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7.8 The case for performance-based standards |
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204 | (1) |
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205 | (10) |
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206 | (9) |
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Part Three The beneficiation of coal combustion materials |
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215 | (174) |
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8 Ash beneficiation, quality, and standard criteria |
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217 | (8) |
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217 | (1) |
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8.2 National ash standards |
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217 | (3) |
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8.3 Beneficiation technologies |
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220 | (5) |
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224 | (1) |
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9 Assessing ash quality and performance |
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225 | (30) |
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225 | (1) |
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9.2 Carbon content and loss on ignition |
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226 | (2) |
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9.3 Adsorption-based tests for characterizing carbon in fly ash |
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228 | (7) |
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9.4 Particle size measurement |
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235 | (1) |
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9.5 Analysis for incompatibilities |
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236 | (3) |
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9.6 Setting time delays and their mitigation |
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239 | (2) |
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9.7 Strength development issues and their mitigation |
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241 | (8) |
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249 | (6) |
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252 | (1) |
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252 | (3) |
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255 | (22) |
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255 | (2) |
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10.2 Purposes and beneficiation |
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257 | (4) |
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10.3 Theory and fundamental parameters |
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261 | (4) |
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265 | (1) |
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266 | (4) |
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10.6 Alternative technologies |
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270 | (3) |
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273 | (1) |
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10.8 Summary and conclusions |
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274 | (3) |
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275 | (2) |
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11 Electrostatic beneficiation of fly ash |
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277 | (32) |
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11.1 The benefits and challenges of electrostatic separation |
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277 | (1) |
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11.2 The importance of fly ash properties in electrostatic separation |
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278 | (1) |
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11.3 Fundamentals of electrostatics |
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279 | (5) |
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11.4 Electrostatic separator concepts to separate unburned carbon from fly ash |
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284 | (21) |
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11.5 Commercial electrostatic separation of unburned carbon from fly ash |
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305 | (1) |
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11.6 Summary and conclusion |
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306 | (3) |
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307 | (2) |
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309 | (18) |
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309 | (1) |
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12.2 Effects of thermal beneficiation |
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309 | (2) |
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12.3 Commercial thermal beneficiation |
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311 | (14) |
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325 | (2) |
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325 | (2) |
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327 | (16) |
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327 | (5) |
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13.2 Limitations of traditional testing |
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332 | (3) |
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335 | (2) |
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337 | (1) |
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13.5 Chemical passivation |
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338 | (2) |
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340 | (3) |
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341 | (2) |
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14 Recovery, processing, and usage of wet-stored fly ash |
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343 | (26) |
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343 | (1) |
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344 | (1) |
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14.3 Wet-storage effects on fly ash |
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345 | (6) |
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14.4 Processing of stockpile and ponded ash |
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351 | (8) |
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14.5 Direct use of stockpile ash in concrete |
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359 | (4) |
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14.6 Observations and practical issues |
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363 | (6) |
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364 | (5) |
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15 Fly ash refinement and extraction of useful compounds |
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369 | (20) |
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369 | (5) |
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15.2 Extraction of valuable compounds |
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374 | (7) |
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15.3 Integral treatment technologies |
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381 | (2) |
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383 | (6) |
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383 | (6) |
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Part Four Coal products and the environment |
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389 | (142) |
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16 Coal products and the environment |
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391 | (4) |
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16.1 Environmental benefits of coal product recycling |
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391 | (1) |
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16.2 Risk assessment in the management of coal products |
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392 | (2) |
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16.3 Ash as an internationally traded commodity and the future of the industry |
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394 | (1) |
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17 Coal combustion products in green building |
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395 | (20) |
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395 | (1) |
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17.2 What is green building? |
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395 | (2) |
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17.3 How do CCRs contribute to green products? |
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397 | (4) |
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17.4 How coal combustion products are treated in the green building standards |
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401 | (4) |
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17.5 Measuring impacts of construction materials using LCA |
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405 | (7) |
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17.6 Standard specifications and project specifications |
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412 | (1) |
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17.7 Challenges and opportunities for greater use of CCPs |
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413 | (2) |
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413 | (2) |
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415 | (36) |
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415 | (1) |
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415 | (1) |
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416 | (1) |
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18.4 What constituents are present in coal ash? |
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416 | (1) |
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18.5 Coal ash constituents in US soils |
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417 | (5) |
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18.6 Human health risk assessment |
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422 | (1) |
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18.7 Ecological risk assessment |
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423 | (2) |
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18.8 What does it mean for something to be toxic? |
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425 | (1) |
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18.9 How is exposure evaluated? |
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426 | (1) |
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426 | (2) |
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18.11 USEPA uses toxicity and exposure information for environmental assessment |
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428 | (1) |
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18.12 Using USEPA screening levels to evaluate coal ash |
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429 | (2) |
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18.13 Studies testing the toxicity of coal ash |
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431 | (3) |
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18.14 Site-specific conceptual site models |
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434 | (2) |
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18.15 How is risk assessment used on a site-specific basis? |
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436 | (2) |
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18.16 How common is a complete groundwater drinking water pathway? |
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438 | (1) |
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18.17 Risk evaluations of the TVA Kingston release |
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439 | (2) |
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18.18 Evaluations of the Dan River spill in North Carolina |
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441 | (1) |
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18.19 Evaluations of private well water in the vicinity of North Carolina ash ponds |
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442 | (4) |
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446 | (5) |
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446 | (5) |
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19 Environmental impact and corrective action |
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451 | (30) |
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19.1 Introduction and context |
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451 | (4) |
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19.2 Regulatory framework (as relevant for corrective action of surface impoundments) |
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455 | (3) |
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458 | (9) |
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467 | (8) |
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19.5 Sustainable closure and postclosure care |
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475 | (2) |
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477 | (4) |
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478 | (3) |
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20 Storage of coal combustion products in the United States: Perspectives on potential human health and environmental risks |
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481 | (28) |
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481 | (1) |
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20.2 History of evaluation of potential human health and ecological risk associated with CCP management |
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482 | (2) |
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484 | (5) |
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489 | (1) |
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489 | (3) |
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20.6 Hydrogeological environment |
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492 | (4) |
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20.7 Human health and environmental impacts associated with storing CCP in surface impoundments |
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496 | (2) |
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20.8 Human health and environmental impacts associated with storing CCP in landfills |
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498 | (4) |
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502 | (1) |
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20.10 Impacts associated with surface impoundment closure alternatives |
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503 | (1) |
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504 | (5) |
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505 | (4) |
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21 Ash as an internationally traded commodity |
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509 | (22) |
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509 | (1) |
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21.2 High-volume surplus markets |
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510 | (10) |
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21.3 International trade: Challenges |
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520 | (4) |
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21.4 International trade: Opportunities |
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524 | (3) |
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527 | (4) |
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529 | (2) |
| Index |
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531 | |