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. Structure 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
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3. Introduction: Definition of remediation 27 March 2017
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4. Remediation strategies for polluted soil
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5. The surface area: 10 ha = 100,000 m² Depht = 0.8 m Soil = 80,000 m³
Further data:
The surface area: 10 ha = 100,000 m²
Depht = 0.8 m
Soil = 80,000 m³
Mass = 128,000 t
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6. Project work - Task Given Facts: 56 % 32% 11% 1% Pb: 1240 Zn: 1200
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
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7. Method
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8. Biological treatment
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9. Soil washing (ex situ)
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10. Moving drum screen - trommel
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11. Centrifugal non-mechanical classifiers - Hydrocyclone
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12. Calculation Approximate cost 200 € per m³ Cost for renting mashines
Energy cost
Biological treatment
Excavation
Soil washing
Laboratory test
Labour charge
Approximate cost 200 € per m³
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13. Summary Economical Effective Simple 27 March 2017
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