Abdellatif Elghali

Université Mohammed VI Polytechnique

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Mostafa Benzaazoua

Université du Québec en Abitibi-Témiscamingue

Yassine Taha

Université Mohammed VI Polytechnique

Jean‐Louis Bodinier

Géosciences Montpellier

Rachid Hakkou

Cadi Ayyad University

Manuel Muñoz

Centre National de la Recherche Scientifique

Otmane Raji

Université Mohammed VI Polytechnique

Bruno Bussière

Université du Québec en Abitibi-Témiscamingue

Hicham Amar

Université Mohammed VI Polytechnique

Fleurice Parat

Géosciences Montpellier

Mustapha El Ghorfi

Université Mohammed VI Polytechnique

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Université Mohammed VI Polytechnique

Université du Québec en Abitibi-Témiscamingue

Centre National de la Recherche Scientifique

Cadi Ayyad University

Université de Montpellier

Géosciences Montpellier

Polytechnic University

OCP Group (Morocco)

Natural Sciences and Engineering Research Council

Agnico Eagle (Canada)

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Enhancing sustainability in phosphate ore processing: Performance of frying oil as alternative flotation collector for carbonate removal

International Journal of Mining Science and Technology (2024)

Asmae El-bahi Yassine Taha Yassine Ait-khouia Abdellatif Elghali Mostafa Benzaazoua

Recycling waste frying oils for the synthesis of flotation reagents presents a promising avenue for sustainable waste management. Moreover, it offers a cost-effective solution for crafting a specialized collector designed to efficiently remove carbonates and enhance phosphate enrichment in froth flotation processes. This study focuses on the synthesis of an anionic collector using the saponification reaction of a frying oil sample, subsequently applied to the flotation of calcite and dolomite. To elucidate the adsorption mechanisms of the frying oil collector (FrOC) and sodium oleate, a reference collector, on fluorapatite, calcite, dolomite, and quartz surfaces, comprehensive experiments were conducted, including zeta potential measurements and Fourier transform infrared spectroscopy. Results revealed diverse adsorption affinities of the molecules towards these minerals. To assess the practical performance of the collector, flotation tests were conducted using a natural phosphate ore mixture, employing a Box-Behnken experimental design. Notably, under optimized conditions (pH 9, 1000 g/t of FrOC, 3.5 min of conditioning, and 6 min of flotation), FrOC exhibited excellent performance, with calcite and dolomite recoveries exceeding 80%, while apatite recovery in the concentrate fraction remained below 10%. This work exemplifies both circular economy practices and the distinctive approach to sustainable mineral processing.

10.1016/j.ijmst.2024.04.003

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Integrated 3D geo-environmental assessment of acid-forming materials in historic coal waste piles for sustainable management

Chemosphere (2024)

Ayoub El Aallaoui Mustapha El Ghorfi Rachid Hakkou Ayoub Bayoussef Yassine Taha

Acid Mine Drainage

Drill hole

10.1016/j.chemosphere.2024.143947

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Sorption model for yttrium in fluorapatite: Geochemical implications

Geochemical Perspectives Letters (2023)

Clément Bonnet Manuel Muñoz Olivier Mathon Vincent Motto‐Ros Abdellatif Elghali

Fluorapatite (FAp), which occurs in various geological settings, contains rare earth elements (REE) for which unveiling the crystal chemistry is a key geochemical issue, especially for unravelling the conditions of fractionation and crystallisation.However, no consensus has been reached regarding their binding modes in FAp, with studies suggesting REE 3þ -Ca 2þ substitution at the Ca(1) site, or at the Ca(2) site, or involving adsorption mechanisms.Our contribution here is based on yttrium K-edge X-ray absorption spectroscopy (XAS), performed on two genetically contrasting minerals: a hydrothermal FAp (from Durango, Mexico), and a sedimentary phosphorite (from Morocco).The results clearly show that Y substitutes for the Ca(2) site in both FAp.However, the spectral differences observed for the sedimentary FAp (B-type carbonated-FAp) suggest a sorption model that is either i) a mixture of Y-Ca( 2) substitution and Y-adsorbed as an inner shell complex, or ii) Y-Ca(2) substitution along with carbonate groups replacing phosphate groups in the surrounding atomic shell.These models of yttrium sorption in FAp shed new light on the understanding of rare earth partitioning and enrichment processes, with major geochemical implications such as i) the identification of crystallising fluids and temperature in magmatic-hydrothermal settings, and ii) preservation of past seawater-porewater conditions in sedimentary settings.

Fluorapatite

10.7185/geochemlet.2326

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Investigating the reprocessing potential of abandoned zinc-lead tailings ponds: A comprehensive study using physicochemical, mineralogical, and 3D geometallurgical assessments

Minerals Engineering (2024)

Ayoub El Aallaoui Mustapha El Ghorfi Abdellatif Elghali Yassine Taha Hamza Zine

10.1016/j.mineng.2024.108634

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Role of secondary minerals in the acid generating potential of weathered mine tailings: Crystal-chemistry characterization and closed mine site management involvement

The Science of The Total Environment (2021)

Abdellatif Elghali Mostafa Benzaazoua Hassan Bouzahzah M. Abdelmoula James J. Dynes

Acid Mine Drainage

Sulfide Minerals

10.1016/j.scitotenv.2021.147105

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Citations (60)

3D geometallurgical characterization of coal mine waste rock piles for their reprocessing purpose

International Journal of Coal Science & Technology (2025)

Ayoub El Aallaoui Abdellatif Elghali Rachid Hakkou Yassine Taha Mostafa Benzaazoua

Abstract Jerada coal mining generates extensive coal mine waste rock (CMWR) piles rich in valuable minerals, posing environmental challenges and economic opportunities. This study examines reprocessing feasibility through 3D geometallurgical characterization. Sampling used down the hole hammer drilling technique (DTH) and drone surveys for topographical precision. Over 620 samples from (T01, T02, T08) underwent comprehensive analyses including particle size distribution, x-ray fluorescence (XRF), total sulfur/carbon analysis (S/C), and inductively coupled plasma mass spectrometry (ICP-MS) for physical–chemical characterization. Mineralogical aspects were explored via optical microscopy (OM), X-ray diffraction (XRD), scanning electron microscopy (SEM), electron probe microanalysis (EPMA), and laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS). Quantitative mineral evaluation by scanning electron microscope (QEMSCAN) provided mineral insights. Chemical data was used in a 3D block model to quantify residual coal. Results for the three examined CMWR piles (T01, T02, and T08) showed varying D 80 from 160 to 300 µm, notable carbon content averaged 12.5 wt% (T01), 16 wt% (T02), and 8.5 wt% (T08). Sulfur presence exceeded 1 wt% in T08, and potential environmental concerns due to iron sulfides. Anthracite liberation was below 30 wt%. 3D modeling estimated a total volume of 7 Mm 3 , mainly from T08, equaling 11.2 Mt. With its high carbon content and substantial tonnages, re-exploitation or alternative applications could minimize these CMWR piles environmental impact.

10.1007/s40789-025-00756-7

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Exploring the potential reuse of phosphogypsum: A waste or a resource?

The Science of The Total Environment (2023)

Fatima Akfas Abdellatif Elghali Abdelmaula Aboulaich Manuel Muñoz Mostafa Benzaazoua

Phosphogypsum

Phosphate fertilizer

Phosphorite

Environmental Pollution

10.1016/j.scitotenv.2023.168196

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Citations (42)

Determination of the available acid-generating potential of waste rock, part I: Mineralogical approach

Applied Geochemistry (2018)

Abdellatif Elghali Mostafa Benzaazoua Hassan Bouzahzah Bruno Bussière Herminso Villarraga-Gómez

Gangue

Lithology

10.1016/j.apgeochem.2018.10.021

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Citations (72)

Interlayers geo-environmental assessment of phosphate waste rock for sustainable management practices

Environmental Geochemistry and Health (2024)

Safa Chlahbi Mostafa Benzaazoua Abdellatif Elghali Samia Rochdane Essaid Zerouali

Phosphorite

Environmental Risk Assessment

10.1007/s10653-024-02329-0

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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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