文摘
英文文摘
声明
1. INTRODUCTION
2. LITERATURE REVIEW
2.1. Definition of Soil Eiectrokinetic Remediation (EKR)
2.1.1. Electro kinetic Phenomena in Soils
2.1.2. Ion Migration
2.1.3. Electrolysis
2.1.4. Soil pH and Geochemical Reactions
2.2. Practical Aspects of EKR
2.2.1. Soil Type and Contaminant Concentration
2.2.2. Electrolyte Enhancement
2.2.3. Voltage and Current Levels
2.2.4. Electrode Requirements
2.2.5. Electric Field Distribution
2.2.6. Electrode Configuration and Time Requirements
2.2.7. Energy Expenditure
3. METHODOLOGY
3.1. Materials
3.2. Experimental Methods
3.3. Analytic Methods
3.3. Quality Assurance
4. RESULTS AND DISCUSSION
4.1. Stage Ⅰ
4.1.1. Visual description of the samples after EKR testing
4.1.2. Electric Current
4.1.3. The pH distribution and its relationship with Cu migration
4.2. Stage Ⅱ
4.2.1. Electric Current
4.2.2. Energy consumption
4.2.3. Comparison of metal migration
4.2.4. Comparison of energy efficiency
4.2.5. Spatial distribution of cooper and zinc
4.2.6. Relation between pH and metal migration
5. CONCLUSIONS
Refernces
Acknowledgments