Éric Pirard
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View article: Process simulation-based LCA: Li-ion battery recycling case study
Process simulation-based LCA: Li-ion battery recycling case study Open
peer reviewed
View article: Critical Metal Potential of Tasmanian Greisen: Lithium, Rare Earth Elements, and Bismuth Distribution and Implications for Processing
Critical Metal Potential of Tasmanian Greisen: Lithium, Rare Earth Elements, and Bismuth Distribution and Implications for Processing Open
Typical greisen-type ore samples from northeastern Tasmania were investigated for their critical metal potential. The samples contain zinnwaldite (KLiFe2+Al(AlSi3O10)(F,OH)2), a lithium-bearing mica that is prone to excessive breakage duri…
View article: Monitoring Land Degradation Using Drone Photogrammetry for the Mugoboka (Eastern Bujumbura, Burundi) Case Study
Monitoring Land Degradation Using Drone Photogrammetry for the Mugoboka (Eastern Bujumbura, Burundi) Case Study Open
Previously published studies on soil loss by erosion in Burundi have focused on sheet and rill erosion. However, other forms of erosion such as gullying and landslides should not be neglected in mountainous countries like Burundi, and also…
View article: Reinforcement Learning to improve delta robot throws for sorting scrap metal
Reinforcement Learning to improve delta robot throws for sorting scrap metal Open
This study proposes a novel approach based on reinforcement learning (RL) to enhance the sorting efficiency of scrap metal using delta robots and a Pick-and-Place (PaP) process, widely used in the industry. We use three classical model-fre…
View article: Accurate characterization of graphite in ores and black mass using an innovative sample preparation method for automated mineralogy
Accurate characterization of graphite in ores and black mass using an innovative sample preparation method for automated mineralogy Open
Automated mineralogy systems are widely used for the mineralogical characterization of powder samples for mineral processing purposes. This characterization method requires the mineral powder to be embedded in a resin (polished block (PB) …
View article: The future availability of zinc: Potential contributions from recycling and necessary ones from mining
The future availability of zinc: Potential contributions from recycling and necessary ones from mining Open
Society's increasing demand for metals led to the discussion as to whether scarcity of raw materials could lead to supply shortages and to which extend circularity can prevent resource depletion. This study investigates the need for and av…
View article: Post Mining Ground Deformations Transition Related to Coal Mines Closure in the Campine Coal Basin, Belgium, Evidenced by Three Decades of MT-InSAR Data
Post Mining Ground Deformations Transition Related to Coal Mines Closure in the Campine Coal Basin, Belgium, Evidenced by Three Decades of MT-InSAR Data Open
Spatio-temporal ground-movement measurements and mappings have been carried out in the Campine coalfield in Belgian Limburg since the closure of the mines to document post-mining effects. MT-InSAR measurements are compared to groundwater h…
View article: Trace-element imaging at macroscopic scale in a Belgian sphalerite-galena ore using Laser-Induced Breakdown Spectroscopy (LIBS)
Trace-element imaging at macroscopic scale in a Belgian sphalerite-galena ore using Laser-Induced Breakdown Spectroscopy (LIBS) Open
Laser-Induced Breakdown Spectroscopy (LIBS) is a fast in-situ analytical technique based on spectroscopic analysis of atomic emission in laser-induced plasmas. Geochemical mapping at macroscopic scale using LIBS was applied to a decimetric…
View article: Mineralogical Reconciliation of ore sample analyses using chemical assays, X-ray diffraction and automated mineralogy
Mineralogical Reconciliation of ore sample analyses using chemical assays, X-ray diffraction and automated mineralogy Open
Mineral characterization in earth sciences, process mineralogy and environment is usually achieved through X-ray diffraction, microscopy and sometimes modal calculation based on chemical assays. The automated mineralogy based on SEM-EDS mi…
View article: Metal Resources Indicators in LCA : From depletion of the geosphere to recoverability from the anthroposphere
Metal Resources Indicators in LCA : From depletion of the geosphere to recoverability from the anthroposphere Open
Abiotic resource depletion (Guinée and Heijungs, 1995) is still a popular indicator of resource use in many lifecycle analyses, despite the fact that it has been regularly criticized for considering resources as a fixed stock. Authors have…
View article: Long-Term Subsidence Monitoring of the Alluvial Plain of the Scheldt River in Antwerp (Belgium) Using Radar Interferometry
Long-Term Subsidence Monitoring of the Alluvial Plain of the Scheldt River in Antwerp (Belgium) Using Radar Interferometry Open
The coupled effects of climate change, sea-level rise, and land sinking in estuaries/alluvial plains prone to inundation and flooding mean that reliable estimation of land movements/subsidence is becoming more crucial. During the last few …
View article: Cloud and Cloud-Shadow Detection for Applications in Mapping Small-Scale Mining in Colombia Using Sentinel-2 Imagery
Cloud and Cloud-Shadow Detection for Applications in Mapping Small-Scale Mining in Colombia Using Sentinel-2 Imagery Open
Small-scale placer mining in Colombia takes place in rural areas and involves excavations resulting in large footprints of bare soil and water ponds. Such excavated areas comprise a mosaic of challenging terrains for cloud and cloud-shadow…
View article: Recycling Oriented Characterization of PGMs from Spent Automotive Catalysts (ACCs)
Recycling Oriented Characterization of PGMs from Spent Automotive Catalysts (ACCs) Open
Platinum Group Metals (PGMs) are key critical metals for Europe, that is dependent on export from the main producing countries, mainly South Africa and Russia, which together are responsible for 75 to 80% of the PGM world mine supply. On t…
View article: DEVELOPMENT OF ADVANCED IMAGING TECHNIQUES FOR REAL TIME PARTICLE SENSING IN MINERAL PROCESSING AND RECYCLING
DEVELOPMENT OF ADVANCED IMAGING TECHNIQUES FOR REAL TIME PARTICLE SENSING IN MINERAL PROCESSING AND RECYCLING Open
With the ever increasing pressure for digitization and optimization of mineral processing operations, there is a growing need for real-time monitoring solutions providing informations about individual particles and their nature. This paper…
View article: Geophysical Investigation of the Pb–Zn Deposit of Lontzen–Poppelsberg, Belgium
Geophysical Investigation of the Pb–Zn Deposit of Lontzen–Poppelsberg, Belgium Open
The drillhole information from the Lontzen–Poppelsberg site has demonstrated three orebodies and has allowed the estimation of the extension of the lodes, their dip, and the location at the ground surface. The localisation of the lodes mak…
View article: RawMatCop: Developing Skills at the intersection between Earth observation and the raw materials community
RawMatCop: Developing Skills at the intersection between Earth observation and the raw materials community Open
The RawMatCop programme was launched in 2017 and aims to develop skills, expertise, demonstrations, and applications of Copernicus data to the raw materials sector. It is co-funded by the European Commission (DG for Internal Market, Indust…
View article: A Study of Ground Movements in Brussels (Belgium) Monitored by Persistent Scatterer Interferometry over a 25-Year Period
A Study of Ground Movements in Brussels (Belgium) Monitored by Persistent Scatterer Interferometry over a 25-Year Period Open
The time series of Synthetic Aperture Radar data acquired by four satellite missions (including ERS, Envisat, TerraSAR-X and Sentinel 1) were processed using Persistent Scatterer interferometric synthetic aperture radar (InSAR) techniques.…
View article: Development of solar energy in Africa : A challenge in terms of resource availability and recycling.
Development of solar energy in Africa : A challenge in terms of resource availability and recycling. Open
Focusing on Africa, sun is a renewable resource, free of charge, without any dependency of supply from other countries but implying technologies to transform this resource into electricity. Photovoltaic panels are dedicated to this goal an…
View article: Towards a more automated mineralogy
Towards a more automated mineralogy Open
peer reviewed
View article: Application of Mid-infrared Reflectance Spectroscopy for the Identification of Minerals Present in Oil & Gas/Mining Exploration
Application of Mid-infrared Reflectance Spectroscopy for the Identification of Minerals Present in Oil & Gas/Mining Exploration Open
peer reviewed
View article: Process Mineralogy: An essential booster of the Circular Economy
Process Mineralogy: An essential booster of the Circular Economy Open
In order to develop efficient processes for the recovery of metals from both our primary mines and our urban mines, we will need to innovate in process mineralogy. This talk will give an overview of the role of predictive and diagnostic to…
View article: SHAPE ANALYSIS OF FINE AGGREGATES USED FOR CONCRETE
SHAPE ANALYSIS OF FINE AGGREGATES USED FOR CONCRETE Open
Fine aggregate is one of the essential components in concrete and significantly influences the material properties. As parts of natures, physical characteristics of fine aggregate are highly relevant to its behaviors in concrete. The most …