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Project 4. <Decontamination of polluted soils>. Lecturer: Stoyan Gaydardzhiev University of Liege, Belgium Group members: J. Tun Tun, H. Kissiger Noudjom, L. Mbogne, L. Wiendieck, M. Hanöffner, B. Meyer, K. Günther, S. Held, F. Mucke, D. Menzel. 1 Introduction
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Project 4.<Decontamination of polluted soils> Lecturer: Stoyan Gaydardzhiev University of Liege, Belgium Group members: J. Tun Tun, H. Kissiger Noudjom, L. Mbogne, L. Wiendieck, M. Hanöffner, B. Meyer, K. Günther, S. Held, F. Mucke, D. Menzel
1 Introduction 2 Project work 2.1 Task 2.2 Method 2.2.1 Biological treament (in situ) 2.2.2 Screening (on site) 2.2.3 Soil washing (ex situ) 2.3 Calculation 3 Summary Structure 12. IPW - FH Nordhausen
Definition of remediation Introduction: 12. IPW - FH Nordhausen
Remediationstrategiesforpollutedsoil 12. IPW - FH Nordhausen
Further data: • The surface area: 10 ha = 100,000 m² • Depht = 0.8 m • Soil = 80,000 m³ • Mass = 128,000 t 12. IPW - FH Nordhausen
Project work - Task • Given Facts: • Density = 1.6 g/ cm³ • pH = 7.1 • CEC = 23 mg/g • Heavy Metals [μg/ g] • Pb: 1240 • Zn: 1200 • Cd: 15 • [ Sand ] [Silt] [Clay ] [Carbon ] 56 % 32% 11%1% -Humidity: water content 1.5% mass of dry soil -Organics: (from fuel leackage) Vinylchloride – soluble (water) Naphtalene – in water and gas Phenol – in water and in solid 12. IPW - FH Nordhausen
Method 12. IPW - FH Nordhausen
Biological treatment 12. IPW - FH Nordhausen
Soil washing (ex situ) 12. IPW - FH Nordhausen
Moving drum screen - trommel 12. IPW - FH Nordhausen
Centrifugal non-mechanical classifiers - Hydrocyclone 12. IPW - FH Nordhausen
Calculation • Costforrentingmashines • Energycost • Biological treatment • Excavation • Soilwashing • Laboratorytest • Labour charge Approximatecost200 € per m³ 12. IPW - FH Nordhausen
Economical Effective Simple Summary 12. IPW - FH Nordhausen