Leveraging Multiphase Flow and Physical Chemistry to Engineer the Next Generation of Flotation Processes

Informations projet

FlotSim

N° de convention de subvention: 955805

DOI

10.3030/955805

Projet clôturé

Date de signature de la CE 15 Juillet 2020

Date de début 1 Mars 2021

Date de fin 28 Février 2025

Financé au titre de

• EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions

Coût total

€ 1 303 570,96

Contribution de l’UE

€ 1 303 570,96

Coordonné par

TECHNISCHE UNIVERSITAET DRESDEN
Germany

CORDIS fournit des liens vers les livrables publics et les publications des projets HORIZON.

Les liens vers les livrables et les publications des projets du 7e PC, ainsi que les liens vers certains types de résultats spécifiques tels que les jeux de données et les logiciels, sont récupérés dynamiquement sur OpenAIRE .

Livrables

Data sets, microdata, etc (4)

Implementation of sub-models from WP1 in the process simulation framework including multivariate particle properties
DNS study on the mechanisms of for turbulence modulation due to bubbles and particles
DNS study on bubble-bubble, bubble-particle and particle-particle collisions

Data from DNS study on bubble-bubble, bubble-particle and particle-particle collisions

Implementation of the models developed in WP1 in a CFD simulation framework

Other (8)

Print Media: a presentation, a flyer, a poster, and 3 infographics
Conference/fair participations and publications

Conference/fair participations and publications M26 (32, 40)

First FlotSim network-wide training event

First FlotSim network-wide training event in M7 (10, 15, 18, 32)

FlotSim Final Conference

FlotSim Final Conference together with the ESRs

Attendance to public events

Attendance to public events (each ESR at least 1 day annually) M18, 30,42

Website and social media feeds

Website and social media feeds (M1, 7, 18, 30, 38)

FlotSim newsletter together with the ESRs

FlotSim newsletter together with the ESRs M7 (then quarterly)

Completion of submission of all scientific papers

Documents, reports (9)

Report and review models for efficiencies of attachment and detachment of mineral particles to bubbles based on hydrophobicity
Model for the frequency of these collisions
Process mineralogical evaluation of five full kinetic flotation trials (incl. feed and 4 concentrates) at various hydrodynamic conditions

Process mineralogical evaluation of five full kinetic flotation trials incl feed and 4 concentrates at various hydrodynamic conditions

Lab-scale validation of the CFD model for submerged 3-phase jets
Novel Characterisation methodology for material dependent parameters in coalescence and breakup models
Characterisation methodology for material dependent parameters in attachment and detachment models
Expressions for source terms in RANS turbulence models accounting for the turbulence modulation due to bubbles and particles
Potential inputs for policy feedback
Report and review models for coalescence and breakup efficiencies accounting for the presence of particles and surfactants

Publications

Peer reviewed articles (13)

Direct Numerical Simulation of collision events in flotation under the influence of gravity

Auteurs: Benedikt Tiedemann, Jochen Fröhlich
Publié dans: International Journal of Multiphase Flow, Numéro Elsevier, 2025, ISSN 0301-9322
Éditeur: Pergamon Press Ltd.

Optical measurement of froth height and depth in a batch flotation test (under review)

Auteurs: Tine Marquardt, Ali Hassan, Peggy Jähnigen, Tobias Lappan, Lucas Pereira, Sascha Heitkam, Martin Rudolph, Kerstin Eckert
Publié dans: Journal of Measurement Science and Technology, 2025, ISSN 0957-0233
Éditeur: Institute of Physics and the Physical Society

An integrated multi-size collision model for flotation (in revision)

Auteurs: Benedikt Tiedemann, Moritz Kreuseler and Jochen Frohlich
Publié dans: Journal of Fluid Mechanics, 2025, ISSN 0022-1120
Éditeur: Cambridge University Press

A multi-sensor approach to measuring hydrodynamic parameters in a pyrite-quartz flotation system

Auteurs: Hifsa Pervez, Ali Hassan, Anna-Elisabeth Sommer, Till Zürner, Lucas Pereira, Martin Rudolph, Sebastian Maaß, Jesse Bowden, Kerstin Eckert
Publié dans: Minerals Engineering, Numéro 216, 2024, Page(s) 108877, ISSN 0892-6875
Éditeur: Elsevier BV
DOI: 10.1016/j.mineng.2024.108877

Measuring gas dispersion in the 35L nextSTEP™ flotation cell using a multisensorial approach (under preparation)

Auteurs: Hifsa Pervez, Jesse Bowden, Kerstin Eckert et al.
Publié dans: International Journal of Multiphase Flow, 2025, ISSN 0301-9322
Éditeur: Pergamon Press Ltd.

Eulerian Simulation of Premixed Submerged Multiphase Turbulent Jets (in publication)

Auteurs: V.V. Kamble, J. Fröhlich, R. Rzehak
Publié dans: Experimental and Computational Multiphase Flow, 2025, ISSN 2662-4745
Éditeur: Springer

An approach to quantify the true flotation recovery of floatable minerals using natural entrainment tracers and particle-based separation modeling (under review)

Auteurs: Ali Hassan,Martin Rudolph, Luis Vinnett, Kerstin Eckert, Lucas Pereira
Publié dans: International Journal of Mining Science and Technology, 2025, ISSN 2095-2686
Éditeur: Elsevier
DOI: 10.13140/rg.2.2.20525.81120

Collision dynamics of particles and bubbles in gravity‐driven flotation: A DNS investigation

Auteurs: Benedikt Tiedemann, Jochen Fröhlich
Publié dans: PAMM, Numéro 23, 2024, ISSN 1617-7061
Éditeur: Wiley-VCH Verlag GmbH & Co. KGaA
DOI: 10.1002/pamm.202300290

Effect of surface chemistry (pH and dosage of two sulfide collectors) on true flotation of chalcopyrite (under preparation).

Auteurs: Gülce Oektem et al.
Publié dans: Minerals Engineering, 2025, ISSN 2075-163X
Éditeur: MDPI

Experimental and numerical investigation of turbulent multiphase jets

Auteurs: Till Zürner, Vikrant Kamble, Roland Rzehak, Kerstin Eckert
Publié dans: Minerals Engineering, Numéro 211, 2024, Page(s) 108699, ISSN 0892-6875
Éditeur: Elsevier BV
DOI: 10.1016/j.mineng.2024.108699

Capillary and hydrophobic interaction investigation of PAX-treated surfaces (chalcopyrite, pyrite and quartz) using CP-AFM

Auteurs: Gülce Oektem, Martin Rudolph, Kerstin Eckert et al.
Publié dans: Minerals Processing, 2025, ISSN 2075-163X
Éditeur: MDPI

Proposition of a bubble-particle attachment model based on DLVO van der Waals and electric double layer interactions for froth flotation modelling

Auteurs: Markus Buchmann, Gülce Öktem, Martin Rudolph, van den Boogaart Karl
Publié dans: Physicochemical Problems of Mineral Processing, Numéro 58, 2022, ISSN 1643-1049
Éditeur: Politechnika Wroclawska Oficyna Wydawnicza
DOI: 10.37190/ppmp/154812

Dynamics of particle attachment in a model stirred cell: A new technique to characterize and quantify particle floatability

Auteurs: Milad Eftekhari, Karin Schwarzenberger, Patrick Schlereth, Kerstin Eckert
Publié dans: Minerals Engineering, 2024, ISSN 2075-163X
Éditeur: MDPI

Conference proceedings (5)

Evaluation of Turbulence in a NextSTEP™ Flotation Cell UsingPiezoelectric Vibration Sensors in Multiphase Flows

Auteurs: Hifsa Pervez, Anna Sommer, Till Zürner, Kerstin Eckert
Publié dans: SME Proceedings, 2024, Page(s) 6
Éditeur: SME - Society for Mining, Metallurgy and Exploration

Eulerian simulations of multiphase flows in stirred tanksMay 2025Conference: 12th International Conference on Multiphase FlowAt: Toulouse, France

Auteurs: Vikrant Vinayak Kamble, Jochen Fröhlich, Roland Rzehak
Publié dans: 12th International Conference on Multiphase Flow, 2025
Éditeur: International Conference on Multiphase Flow

Euler-Euler two-fluid simulation of turbulent bubbly jet flows

Auteurs: Vikrant Vinayak Kamble, R Rzehak, Jochen Fröhlich
Publié dans: 14th European Fluid Mechanics Conference, 2022
Éditeur: European Fluid Mechanics Conference
DOI: 10.13140/rg.2.2.27658.68806

Particle-based separation modelling approach to understandeffect of hydrodynamics on flotation kinetics of complex ores

Auteurs: A. Hassan, M. Gurdziel, J. Bowden, B. Guy, M. Rudolph, L. Pereira
Publié dans: Geometallurgy, IOM3, 2023
Éditeur: Geometallurgy, IOM3
DOI: 10.13140/rg.2.2.30058.90560

Euler-Euler simulation of multiphase submerged jets

Auteurs: Vikrant Vinayak Kamble, Roland Rzehak
Publié dans: The 11th International Conference on Multiphase Flow, 2023
Éditeur: International Conference on Multiphase Flow