Use of Red Mud in soil remediation: review of applications and - - PowerPoint PPT Presentation

use of red mud in soil remediation review of applications
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Use of Red Mud in soil remediation: review of applications and - - PowerPoint PPT Presentation

Use of Red Mud in soil remediation: review of applications and challenges Valrie CAPPUYNS Centre for Economics and Corporate sustainability KU Leuven, 1000 Brussels, Belgium valerie.cappuyns@kuleuven.be Introduction RM is efficient for


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Use of Red Mud in soil remediation: review of applications and challenges

Valérie CAPPUYNS Centre for Economics and Corporate sustainability KU Leuven, 1000 Brussels, Belgium valerie.cappuyns@kuleuven.be

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Introduction

  • RM is efficient for the removal of various aquatic

pollutants, from waste waters

  • use of RM as amendment to immobilize contaminants in

soil received less attention

  • => critically review the existing literature dealing with the

use of RM to immobilise PTEs in soils

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Results

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Conclusion

  • long term effects still not fully understood
  • more attention for the long-term efficiency of RM to

immobilize PTEs is necessary: more field studies!

  • properly assess the feasibility and effectiveness of RM in

environmental remediation

  • more attention for the bio-availability of PTEs in red-mud

treated soils