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Chelating Agents for Land Decontamination Technologies [Mīkstie vāki]

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  • Formāts: Paperback / softback, 304 pages, weight: 456 g
  • Izdošanas datums: 30-Jul-2012
  • Izdevniecība: American Society of Civil Engineers
  • ISBN-10: 0784412189
  • ISBN-13: 9780784412183
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  • Cena: 95,03 €
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Chelating Agents for Land Decontamination TechnologiesPalielināt
  • Formāts: Paperback / softback, 304 pages, weight: 456 g
  • Izdošanas datums: 30-Jul-2012
  • Izdevniecība: American Society of Civil Engineers
  • ISBN-10: 0784412189
  • ISBN-13: 9780784412183
Citas grāmatas par šo tēmu:
Permanent link: https://www.kriso.lv/db/9780784412183.html
Keywords:
Chelating Agents for Land Decontamination Technologies examines the application of chelating agents for the treatment of soil contaminated with metals. Contaminated land remediation is a widespread and costly problem, and the traditional excavation-and-disposal treatment method is not a sustainable solution. Chelating agents (organic compounds that can bind metal ions) are an attractive new technology for land decontamination, because chelating agents enhance metal extraction from contaminated soil or sediment and facilitate metal mobility in subsurface soils. Chapters in this book cover the process fundamentals as well as engineering applications and recent advances for the use of chelating agents in soil washing, soil flushing, phytoremediation, and electrokinetic remediation. They address the application of chelating agents for both ex situ and in situ soil remediation technologies. The extensive use of illustrations and summary tables is combined with up-to-date references. This compilation of engineering applications and research findings for different chelating agent enhanced remediation technologies will be useful to environmental engineers, scientists, and decision makers regarding contaminated land remediation.
Preface vii
Contributing Authors ix
Chapter 1 Design, Implementation, and Economic/Societal Considerations of Chelant-Enhanced Soil Washing
1(26)
1.1 Introduction
1(3)
1.2 Soil Washing Technology
4(7)
1.3 Chelant-Enhanced Soil Washing
11(7)
1.4 Economic and Societal Considerations
18(2)
1.5 Conclusions
20(1)
1.6 References
21(6)
Chapter 2 Remediation of Metal-Contaminated Sediments by Means of Chelant-Assisted Washing
27(32)
2.1 Background on Contaminated Sediments
27(3)
2.2 Management and Treatment of Contaminated Sediments
30(4)
2.3 Sediment Washing Using Chelating Agents
34(5)
2.4 Recovery of Chelating Agents from Waste Washing Solutions
39(2)
2.5 Experimental Results of Chelant-Assisted Washing for Metal Removal from Sediments
41(13)
2.6 Conclusions
54(1)
2.7 References
54(5)
Chapter 3 Operational Conditions of Chelant-Enhanced Soil Washing for Remediation of Metal-Contaminated Soil
59(33)
3.1 Principle of Soil Washing
59(1)
3.2 General Procedure and Application of Soil Washing
59(2)
3.3 Chelant-Enhanced Soil Washing
61(1)
3.4 Factors Influencing Chelant-Enhanced Soil Washing
62(8)
3.5 Risk Assessment and Control of Chelant-Enhanced Soil Washing
70(6)
3.6 A Case Study of EDTA-Enhanced Soil Washing for Remediation of a Demolished Electroplating Site
76(8)
3.7 Conclusions
84(1)
3.8 Acknowledgments
84(1)
3.9 References
84(8)
Chapter 4 Electrochemical Treatment and Recovery of Chelating Agents
92(17)
4.1 Remediation of Metal Contaminated Soils
92(2)
4.2 Chemical Treatments of Waste EDTA Soil Washing Solution
94(2)
4.3 Electrochemical Oxidation
96(3)
4.4 Electro-coagulation
99(1)
4.5 Electrochemical EDTA Recycling
100(4)
4.6 Conclusions
104(1)
4.7 References
105(4)
Chapter 5 Extraction of Metals from Spent Catalyst Using Fresh and Recovered Chelating Agents
109(32)
5.1 Introduction
109(2)
5.2 Methods to Extract Metals from Spent Catalyst
111(5)
5.3 Advantages of Chelating Agents
116(1)
5.4 Mechanism of Complex Formation of Metal-Chelating Agent
117(2)
5.5 Extraction of Metals from Spent Catalyst with Fresh Chelating Agents
119(1)
5.6 Recycle or Regeneration Methods of Chelating Agents
120(4)
5.7 Characterization of Recycled EDTA
124(6)
5.8 Reusability of Spent Catalyst after Metal Extraction
130(1)
5.9 Extraction Kinetic Models for Chelating Agents
131(3)
5.10 Conclusions
134(1)
5.11 References
135(6)
Chapter 6 Enhanced Soil Flushing and Washing of Contaminated Soil and Sediments
141(30)
6.1 Introduction
141(2)
6.2 Soil Flushing
143(2)
6.3 Soil Washing
145(2)
6.4 Use of Acids and Chelating Agents
147(2)
6.5 Surfactant Washing and Flushing
149(15)
6.6 Conclusions
164(1)
6.7 References
165(6)
Chapter 7 Heavy Metal Leaching from Contaminated Soils during the Percolation of EDTA: Observations and Modeling
171(27)
7.1 Introduction and Outline
171(5)
7.2 Observations: Solubilization of Heavy Metals from a Soil Contaminated by Long-Term Spreading of Sewage Sludge/Wastewater---Reactivity and Kinetics
176(6)
7.3 Observations and Modeling: Solubilization of Heavy Metals from a Soil Polluted by Long-Term Smelting Activities---A Finite Difference Model, including a Kinetic Leaching Term
182(10)
7.4 Potential for Actual Use of Complexing Agents for Soil Decontamination
192(1)
7.5 Conclusions
193(1)
7.6 Acknowledgments
193(1)
7.7 References
193(5)
Chapter 8 Roles of Metal-(Hydr)oxides in Chelant-Enhanced (Phyto)extraction
198(14)
8.1 Introduction
198(1)
8.2 Interactions of Soil (Hydr)oxides with Chelating Agents
198(11)
8.3 Conclusions
209(1)
8.4 Acknowledgments
209(1)
8.5 References
209(3)
Chapter 9 Use of Chelating Agents in Electrochemical Remediation of Contaminated Soil
212(69)
9.1 Introduction
212(2)
9.2 Electrokinetic Remediation of Contaminated Soils
214(6)
9.3 Enhancement Agents in Electrochemical Remediation
220(8)
9.4 Use of Chelating Agents in Electrochemical Remediation
228(23)
9.5 Selection of Chelating Agents in Electrochemical Remediation
251(2)
9.6 Effects of Electrochemical Reactions during Electrochemical Remediation on Performance of Chelating Agents
253(3)
9.1 Limitations of the Use of Chelating Agents in Enhancing Electrochemical Remediation
256(1)
9.8 Future Research Directions
257(4)
9.9 Summary
261(1)
9.10 Acknowledgments
262(1)
9.11 References
262(17)
9.12 Acronyms
279(2)
Editor Biographies 281(2)
Index 283