mostafa.redwan

Mostafa GamalEldeen Taha Redwan

Professor - Professor of Environmental Geology and Geochemistry at Sohag Faculty of Science-Geology Department

Faculty of science

Address: Sohag Faculty of Science, Geology dep., P.O. Box 82524, Sohag, Egypt

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Publications Which contain the keyword: Reactive Transport Modeling

Application of MLA in reactive transport modeling of weathering processes in intensely stratified tailings

2018-08-26 07:50:46 Keywords Reactive Transport Modeling, Contamination, Simulation, Mineral Liberation Analysis,
Application of MLA in reactive transport modeling of weathering processes in intensely stratified tailings
Reactive transport simulations have been applied to investigate possible effects of stratification on the potential of sulfide-bearing mine tailings to form protective cemented layers and to retain toxic elements. Our research is based on a German tailings site, which material is intensely stratified on a mm-cm scale. Multiple cemented layers have been observed in the oxidized part of the tailings, ... Read more

Application of quantitative mineralogy on the neutralization potential calculations within µm-scale stratified mine tailings

2018-08-26 08:50:42 Keywords Mining wastes, Acid rock drainage, Bulk neutralizing/acid potential, Mineralogical neutralizing/acid potentia, Reactive Transport Modeling,
Application of quantitative mineralogy on the neutralization potential calculations within µm-scale stratified mine tailings
Estimation of the long-term environmental impact of mining wastes is of socio-economic interest. Bulk analytical approaches of the neutralizing (NP) and acid potentials (AP) provide in general worst-case scenarios for acid rock drainage (ARD) predictions and long-term evaluation. Taking individual graded layers with variable reactive mineral ratios into consideration, alternating zones, highly contrasting in their neutralizing and acid potential, can ... Read more

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