| Preface |
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xi | |
| About the Authors |
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xii | |
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1 | (29) |
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2 | (1) |
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1.2 40 CFR Part 503 Regulation, |
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2 | (28) |
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1.2.1 General Provisions, |
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3 | (2) |
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5 | (6) |
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11 | (7) |
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1.2.4 Pathogen and Vector Attraction Reduction, |
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18 | (9) |
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27 | (3) |
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2 Sludge Quantities and Characteristics |
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30 | (30) |
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31 | (3) |
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32 | (1) |
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32 | (1) |
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32 | (1) |
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2.1.4 Other Wastewater Residuals, |
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33 | (1) |
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34 | (10) |
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34 | (2) |
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36 | (1) |
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36 | (6) |
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2.2.4 Attached Growth System Sludge, |
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42 | (1) |
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43 | (1) |
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2.3 Sludge Characteristics, |
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44 | (5) |
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44 | (2) |
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46 | (1) |
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2.3.3 Physical and Biological Properties, |
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47 | (2) |
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49 | (11) |
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3 Thickening and Dewatering |
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60 | (76) |
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61 | (1) |
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62 | (19) |
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3.2.1 Factors Affecting Conditioning, |
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62 | (2) |
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3.2.2 Chemical Conditioning, |
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64 | (13) |
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3.2.3 Other Conditioning Methods, |
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77 | (4) |
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81 | (25) |
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3.3.1 Gravity Thickening, |
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81 | (7) |
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3.3.2 Dissolved Air Flotation Thickening, |
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88 | (6) |
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3.3.3 Centrifugal Thickening, |
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94 | (5) |
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3.3.4 Gravity Belt Thickening, |
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99 | (3) |
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3.3.5 Rotary Drum Thickening, |
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102 | (1) |
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3.3.6 Miscellaneous Thickening Methods, |
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102 | (4) |
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106 | (30) |
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3.4.1 Centrifugal Dewatering, |
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106 | (4) |
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110 | (6) |
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3.4.3 Pressure Filter Press, |
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116 | (5) |
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121 | (6) |
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3.4.5 Other Dewatering Methods, |
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127 | (9) |
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136 | (37) |
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137 | (4) |
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138 | (3) |
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4.2 Conventional Aerobic Digestion, |
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141 | (15) |
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4.2.1 Process Design Considerations, |
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144 | (3) |
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4.2.2 System Design Considerations, |
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147 | (8) |
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4.2.3 Operational Considerations, |
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155 | (1) |
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156 | (17) |
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4.3.1 High-Purity Oxygen Digestion, |
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157 | (1) |
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4.3.2 Low-Temperature Aerobic Digestion, |
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157 | (1) |
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157 | (1) |
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4.3.4 Mesophilic Aerobic Digestion, |
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158 | (1) |
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4.3.5 Autothermal Thermophilic Aerobic Digestion, |
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158 | (6) |
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4.3.6 Technological Improvements, |
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164 | (9) |
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173 | (40) |
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174 | (2) |
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5.1.1 Advantages and Disadvantages, |
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174 | (1) |
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5.1.2 Theory of Anaerobic Digestion, |
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175 | (1) |
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5.2 Environmental Factors, |
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176 | (6) |
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5.2.1 Solids and Hydraulic Retention Times, |
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177 | (1) |
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177 | (2) |
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179 | (1) |
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180 | (2) |
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182 | (6) |
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5.3.1 Low-Rate Digestion, |
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182 | (1) |
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5.3.2 High-Rate Digestion, |
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183 | (2) |
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5.3.3 Thermophilic Digestion, |
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185 | (1) |
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5.3.4 Two-Stage Digestion, |
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185 | (1) |
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5.3.5 Two-Phase Digestion, |
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186 | (2) |
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188 | (3) |
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188 | (1) |
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189 | (1) |
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5.4.3 Solids Retention Time, |
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189 | (1) |
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5.4.4 Volatile Solids Reduction, |
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190 | (1) |
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190 | (1) |
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5.5 System Component Design, |
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191 | (14) |
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191 | (2) |
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193 | (1) |
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193 | (4) |
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197 | (3) |
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200 | (5) |
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5.6 Operational Considerations, |
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205 | (8) |
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5.6.1 Reactor Performance, |
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205 | (2) |
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207 | (1) |
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207 | (2) |
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209 | (1) |
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210 | (3) |
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213 | (22) |
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213 | (4) |
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6.1.1 Advantages and Disadvantages, |
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214 | (1) |
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215 | (2) |
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217 | (4) |
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6.2.1 Liquid Lime Stabilization, |
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217 | (1) |
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6.2.2 Dry Lime Stabilization, |
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218 | (2) |
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6.2.3 Advanced Alkaline Stabilization Technologies, |
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220 | (1) |
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221 | (10) |
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6.3.1 Sludge Characteristics, |
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221 | (1) |
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6.3.2 Contact Time and pH, |
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222 | (1) |
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222 | (1) |
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6.3.4 Alkaline Material Storage, |
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223 | (1) |
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224 | (2) |
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6.3.6 Liquid Lime Mixing, |
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226 | (1) |
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227 | (4) |
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231 | (4) |
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231 | (1) |
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6.4.2 Pathogen reduction, |
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232 | (1) |
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6.4.3 Dewatering Characteristics, |
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233 | (2) |
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235 | (42) |
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236 | (4) |
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7.1.1 Composting Process, |
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236 | (1) |
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7.1.2 Composting Methods, |
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237 | (2) |
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7.1.3 Advantages and Disadvantages of Composting, |
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239 | (1) |
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7.1.4 Zoological Characteristics of Compost, |
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239 | (1) |
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240 | (12) |
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7.2.1 Factors Influencing Composting, |
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240 | (3) |
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243 | (1) |
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7.2.3 Aerated Static Pile Process, |
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244 | (2) |
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246 | (3) |
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7.2.5 Design Considerations, |
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249 | (3) |
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7.3 Theoretical Aspects of Composting, |
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252 | (7) |
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7.4 New Technology in Composting, |
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259 | (8) |
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259 | (2) |
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261 | (1) |
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7.4.3 Temperature and Moisture, |
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261 | (1) |
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7.4.4 Composting Mixture, |
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262 | (1) |
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7.4.5 Composting Process Control, |
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263 | (3) |
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266 | (1) |
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7.5 Examples of Composting in Europe, |
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267 | (5) |
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7.6 Examples of Composting in the United States, |
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272 | (5) |
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8 Thermal Drying and Incineration |
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277 | (27) |
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278 | (1) |
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278 | (12) |
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8.2.1 Methods of Thermal Drying, |
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278 | (9) |
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8.2.2 Design Considerations, |
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287 | (3) |
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290 | (14) |
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8.3.1 Methods of Incineration, |
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291 | (7) |
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8.3.2 Design Considerations, |
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298 | (6) |
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9 Comparison of Energy Consumption |
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304 | (10) |
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304 | (1) |
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304 | (2) |
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306 | (3) |
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309 | (1) |
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9.5 Comparison of Thermal Drying and Composting, |
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310 | (3) |
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313 | (1) |
| 10 Beneficial Use of Biosolids |
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314 | (29) |
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315 | (2) |
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10.2 Requirements for Beneficial Use, |
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317 | (4) |
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317 | (1) |
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10.2.2 Pathogen Reduction, |
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318 | (1) |
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10.2.3 Vector Attraction Reduction, |
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318 | (2) |
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10.2.4 Management Practices, |
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320 | (1) |
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320 | (1) |
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321 | (12) |
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10.3.1 Site Evaluation and Selection, |
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322 | (1) |
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10.3.2 Design Application Rates, |
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322 | (6) |
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10.3.3 Application Methods, |
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328 | (1) |
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10.3.4 Application to Dedicated Lands, |
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329 | (1) |
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10.3.5 Conveyance and Storage of Biosolids, |
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330 | (3) |
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10.4 Beneficial Use of Biosolids in Russia, |
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333 | (10) |
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333 | (3) |
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336 | (7) |
| Appendix Units of Measure |
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343 | (6) |
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A.1 Abbreviations for SI Units, |
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343 | (1) |
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A.2 Abbreviations for U.S. Customary Units, |
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344 | (1) |
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A.3 Conversion from SI Units to U.S. Customary Units, |
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344 | (2) |
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A.4 Conversion from U.S. Customary Units to SI Units, |
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346 | (3) |
| Index |
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349 | |