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

Informazioni relative al progetto

FlotSim

ID dell’accordo di sovvenzione: 955805

DOI

10.3030/955805

Progetto chiuso

Data della firma CE 15 Luglio 2020

Data di avvio 1 Marzo 2021

Data di completamento 28 Febbraio 2025

Finanziato da

• EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions

Costo totale

€ 1 303 570,96

Contributo UE

€ 1 303 570,96

Coordinato da

TECHNISCHE UNIVERSITAET DRESDEN
Germany

CORDIS fornisce collegamenti ai risultati finali pubblici e alle pubblicazioni dei progetti ORIZZONTE.

I link ai risultati e alle pubblicazioni dei progetti del 7° PQ, così come i link ad alcuni tipi di risultati specifici come dataset e software, sono recuperati dinamicamente da .OpenAIRE .

Risultati finali

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

Pubblicazioni

Peer reviewed articles (13)

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

Autori: Benedikt Tiedemann, Jochen Fröhlich
Pubblicato in: International Journal of Multiphase Flow, Numero Elsevier, 2025, ISSN 0301-9322
Editore: Pergamon Press Ltd.

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

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

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

Autori: Benedikt Tiedemann, Moritz Kreuseler and Jochen Frohlich
Pubblicato in: Journal of Fluid Mechanics, 2025, ISSN 0022-1120
Editore: Cambridge University Press

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

Autori: Hifsa Pervez, Ali Hassan, Anna-Elisabeth Sommer, Till Zürner, Lucas Pereira, Martin Rudolph, Sebastian Maaß, Jesse Bowden, Kerstin Eckert
Pubblicato in: Minerals Engineering, Numero 216, 2024, Pagina/e 108877, ISSN 0892-6875
Editore: Elsevier BV
DOI: 10.1016/j.mineng.2024.108877

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

Autori: Hifsa Pervez, Jesse Bowden, Kerstin Eckert et al.
Pubblicato in: International Journal of Multiphase Flow, 2025, ISSN 0301-9322
Editore: Pergamon Press Ltd.

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

Autori: V.V. Kamble, J. Fröhlich, R. Rzehak
Pubblicato in: Experimental and Computational Multiphase Flow, 2025, ISSN 2662-4745
Editore: Springer

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

Autori: Ali Hassan,Martin Rudolph, Luis Vinnett, Kerstin Eckert, Lucas Pereira
Pubblicato in: International Journal of Mining Science and Technology, 2025, ISSN 2095-2686
Editore: Elsevier
DOI: 10.13140/rg.2.2.20525.81120

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

Autori: Benedikt Tiedemann, Jochen Fröhlich
Pubblicato in: PAMM, Numero 23, 2024, ISSN 1617-7061
Editore: 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).

Autori: Gülce Oektem et al.
Pubblicato in: Minerals Engineering, 2025, ISSN 2075-163X
Editore: MDPI

Experimental and numerical investigation of turbulent multiphase jets

Autori: Till Zürner, Vikrant Kamble, Roland Rzehak, Kerstin Eckert
Pubblicato in: Minerals Engineering, Numero 211, 2024, Pagina/e 108699, ISSN 0892-6875
Editore: 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

Autori: Gülce Oektem, Martin Rudolph, Kerstin Eckert et al.
Pubblicato in: Minerals Processing, 2025, ISSN 2075-163X
Editore: MDPI

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

Autori: Markus Buchmann, Gülce Öktem, Martin Rudolph, van den Boogaart Karl
Pubblicato in: Physicochemical Problems of Mineral Processing, Numero 58, 2022, ISSN 1643-1049
Editore: 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

Autori: Milad Eftekhari, Karin Schwarzenberger, Patrick Schlereth, Kerstin Eckert
Pubblicato in: Minerals Engineering, 2024, ISSN 2075-163X
Editore: MDPI

Conference proceedings (5)

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

Autori: Hifsa Pervez, Anna Sommer, Till Zürner, Kerstin Eckert
Pubblicato in: SME Proceedings, 2024, Pagina/e 6
Editore: SME - Society for Mining, Metallurgy and Exploration

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

Autori: Vikrant Vinayak Kamble, Jochen Fröhlich, Roland Rzehak
Pubblicato in: 12th International Conference on Multiphase Flow, 2025
Editore: International Conference on Multiphase Flow

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

Autori: Vikrant Vinayak Kamble, R Rzehak, Jochen Fröhlich
Pubblicato in: 14th European Fluid Mechanics Conference, 2022
Editore: 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

Autori: A. Hassan, M. Gurdziel, J. Bowden, B. Guy, M. Rudolph, L. Pereira
Pubblicato in: Geometallurgy, IOM3, 2023
Editore: Geometallurgy, IOM3
DOI: 10.13140/rg.2.2.30058.90560

Euler-Euler simulation of multiphase submerged jets

Autori: Vikrant Vinayak Kamble, Roland Rzehak
Pubblicato in: The 11th International Conference on Multiphase Flow, 2023
Editore: International Conference on Multiphase Flow