Presented paper

IMWA2019 Students work

Assessing Different Coal Combustion Residue Scenarios in Opencast Coal Mines, Mpumalanga, South Africa

Vicente, Annalisa (1); Nel, Jaco (1); Reynolds-Clausen, Kelley (2)
1: The University of the Western Cape, South Africa; 2: Eskom Holdings SOC, Research, Testing and Demonstration

This study assesses the flow and transport characteristics of backfilling opencast coal mines with coal combustion residues (CCR’s), in order to assess its feasibility. Generic models were constructed to simulate six backfilling scenarios, which include: (1) No CCR’s (2) CCR’s above water table, (3) CCR’s below water table, (4) CCR’s in middle of pit, (5) CCR’s down gradient, and (6) CCR’s below weathered zone. Results indicate that all scenarios have the potential to contribute to a less negative environmental impact. This paper demonstrates the model setup and approach using Scenario 5 where a rise in water levels in the pit was achieved, reducing acid mine water generation and re-directing plume migration.

Presenter:
Room:

IMWA2019 Conference

Genkel st. 4, Perm, Russia, 614990

MWA2019 website uses cookies.

We inform you that this site uses own, technical and third parties cookies to make sure our web page is user-friendly and to guarantee a high functionality of the webpage. By continuing to browse this website, you declare to accept the use of cookies. More information

How to delete cookies

© 2018-2019 IMWA2019