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Effective Strategies for Decontamination of Polluted Soils: A Comprehensive Project Overview

This project, led by Stoyan Gaydardzhiev at the University of Liège, Belgium, focuses on various decontamination methods for polluted soils, involving group members from multiple disciplines. We investigate biological treatment (in situ), on-site screening, and ex situ soil washing techniques. The project's scope includes detailed calculations based on soil characteristics such as density, pH, and heavy metal content, aiming to optimize remediation strategies. The final analysis provides insights on costs and effectiveness of different approaches to achieve sustainable soil recovery.

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Effective Strategies for Decontamination of Polluted Soils: A Comprehensive Project Overview

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  1. 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

  2. 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

  3. Definition of remediation Introduction: 12. IPW - FH Nordhausen

  4. Remediationstrategiesforpollutedsoil 12. IPW - FH Nordhausen

  5. 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

  6. 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

  7. Method 12. IPW - FH Nordhausen

  8. Biological treatment 12. IPW - FH Nordhausen

  9. Soil washing (ex situ) 12. IPW - FH Nordhausen

  10. Moving drum screen - trommel 12. IPW - FH Nordhausen

  11. Centrifugal non-mechanical classifiers - Hydrocyclone 12. IPW - FH Nordhausen

  12. Calculation • Costforrentingmashines • Energycost • Biological treatment • Excavation • Soilwashing • Laboratorytest • Labour charge Approximatecost200 € per m³ 12. IPW - FH Nordhausen

  13. Economical Effective Simple Summary 12. IPW - FH Nordhausen

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