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Project 4. Lecturer: Stoyan Gaydardzhiev University of Liege, Belgium Group members: J. Tun Tun, H....
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Transcript of Project 4. Lecturer: Stoyan Gaydardzhiev University of Liege, Belgium Group members: J. Tun Tun, H....
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
10 April 2023 12. IPW - FH Nordhausen
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
10 April 2023 12. IPW - FH Nordhausen
Introduction:• Definition of remediation
10 April 2023 12. IPW - FH Nordhausen
Remediation strategies for polluted soil
10 April 2023 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
10 April 2023 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
10 April 2023 12. IPW - FH Nordhausen
Method
10 April 2023 12. IPW - FH Nordhausen
Biological treatment
10 April 2023 12. IPW - FH Nordhausen
Soil washing (ex situ)
10 April 2023 12. IPW - FH Nordhausen
Moving drum screen - trommel
Centrifugal non-mechanical classifiers - Hydrocyclone
10 April 2023 12. IPW - FH Nordhausen
10 April 2023 12. IPW - FH Nordhausen
Calculation• Cost for renting mashines• Energy cost • Biological treatment• Excavation• Soil washing• Laboratory test• Labour charge
Approximate cost 200 € per m³
10 April 2023 12. IPW - FH Nordhausen
Summary
• Economical• Effective• Simple