Youssef Toubri

Université Mohammed VI Polytechnique

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Isabelle Demers

Université du Québec en Abitibi-Témiscamingue

Nicholas Beier

University of Alberta

Mostafa Benzaazoua

Université du Québec en Abitibi-Témiscamingue

Fatima Akfas

Université Mohammed VI Polytechnique

Manuel Muñoz

Centre National de la Recherche Scientifique

Kamal Samrane

OCP Group (Morocco)

Abdellatif Elghali

Université Mohammed VI Polytechnique

Jean‐Louis Bodinier

Géosciences Montpellier

Denys Vermette

Mathieu Fillion

Rio Tinto (Canada)

Cooperative Institutions

Université du Québec en Abitibi-Témiscamingue

Université Mohammed VI Polytechnique

Natural Sciences and Engineering Research Council

Géosciences Montpellier

Polytechnique Montréal

Université du Québec

Centre National de la Recherche Scientifique

Université de Montpellier

University of Alberta

Geomechanica (Canada)

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Probing cleaner production opportunities of the Lac Tio pyrite-enriched tailings generated to alleviate sulfur dioxide emissions

Journal of Cleaner Production (2022)

Youssef Toubri Benoît Plante Isabelle Demers Mathieu Fillion

Roasting

Ilmenite

Mineral processing

10.1016/j.jclepro.2022.132027

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Citations (10)

Environmental Assessment of Phosphogypsum: A Comprehensive Geochemical Modeling and Leaching Behavior Study

Fatima Akfas Abdellatif Elghali Youssef Toubri Kamal Samrane Manuel Muñoz

Download This Paper Open PDF in Browser Add Paper to My Library Share: Permalink Using these links will ensure access to this page indefinitely Copy URL Copy DOI

Phosphogypsum

10.2139/ssrn.4741312

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Incorporating Kinetic Modeling in the Development Stages of Hard Rock Mine Projects

Minerals (2021)

Youssef Toubri Denys Vermette Isabelle Demers Nicholas Beier Mostafa Benzaazoua

Weathering cell test, designed specifically to overcome material-limited constraints, yields prompt and efficient experimental assessment during the development stages of mining projects. However, it has barely benefited from geochemical modeling tools despite their ease of use. Accordingly, this paper aims to strengthen the upstream geochemical assessment via parametric analysis that simulates the effect of various mineral assemblages on leachate quality recovered from weathering cells. The main objective is to simulate the pH in presence of silicate neutralizing minerals and Mn release from carbonates based upon minimal characterization data. The public domain code PHREEQC was used for geochemical kinetic modeling of four weathering cells. The kinetic model utilized a water film concept to simulate diffusion of chemical elements from mineral surfaces to the pore water. The obtained results suggest that the presence of the silicate neutralizing minerals slightly affects the Mn release from carbonates. Furthermore, plagioclases could supply a significant neutralization potential when they predominate the mineral assemblage. Finally, coupling weathering cell test and parametric analyses illuminate the pH evolution for various mineral proportion scenarios.

Geochemical Modeling

Silicate minerals

Characterization

10.3390/min11121306

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Merging 3D geological modeling and stochastic simulation to foster waste rock upstream management

Journal of Geochemical Exploration (2021)

Youssef Toubri Isabelle Demers Andrée Poirier Geneviève Pépin Marie‐Christine Gosselin

10.1016/j.gexplo.2021.106739

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Citations (9)