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ReactiveFronts SIGNED

Mixing interfaces as reactive hotspots of porous media flows: theoretical upscaling, experimental imaging and field scale validation

Total Cost €


EC-Contrib. €






Project "ReactiveFronts" data sheet

The following table provides information about the project.


Organization address
address: RUE DU THABOR 2
postcode: 35065

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country France [FR]
 Project website
 Total cost 1˙998˙747 €
 EC max contribution 1˙998˙747 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2014-CoG
 Funding Scheme ERC-COG
 Starting year 2015
 Duration (year-month-day) from 2015-10-01   to  2020-09-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITE DE RENNES I FR (RENNES CEDEX) coordinator 1˙998˙747.00


 Project objective

In porous media, mixing interfaces such as contaminant plume fringes or boundaries between water bodies create highly reactive localized hotspots of chemical and microbiological activity, whether in engineered or natural systems. These reactive fronts are characterized by high concentration gradients, complex flow dynamics, variable water saturation, fluctuating redox conditions and multifunctional biological communities. The spatial and temporal variability of velocity gradients is expected to elongate mixing interfaces and steepen concentration gradients, thus strongly affecting biochemical reactivity. However, a major issue with porous media flows is that these essential micro-scale interactions are inaccessible to direct observation. Furthermore, the lack of a validated upscaling framework from fluid- to system-scale represents a major barrier to the application of reactive transport models to natural or industrial problems. The ambition of the ReactiveFronts project is to address this knowledge gap by setting up a high level interdisciplinary team that will provide a new theoretical understanding and novel experimental imaging capacities for micro-scale interactions between flow, mixing and reactions and their impact on reactive front kinetics at the system scale. ReactiveFronts will develop an original approach to this long-standing problem; combining theoretical, laboratory and field experimental methods.The focus on reactive interface dynamics, which represents a paradigm shift for reactive transport modelling in porous media, will require the development of original theoretical approaches (WP1) and novel microfluidic experiments (WP2). This will form a strong basis for the study of complex features at increasing spatial scales, including the coupling between fluid dynamics and biological activity (WP4), the impact of 3D flow topologies and chaotic mixing on effective reaction kinetics (WP3), and the field scale assessment of these interactions (WP5).


year authors and title journal last update
List of publications.
2017 Peter K. Kang, Marco Dentz, Tanguy Le Borgne, Seunghak Lee, Ruben Juanes
Anomalous transport in disordered fracture networks: Spatial Markov model for dispersion with variable injection modes
published pages: , ISSN: 0309-1708, DOI: 10.1016/j.advwatres.2017.03.024
Advances in Water Resources 2019-09-30
2018 U. Ghosh, T. L. Borgne, D. Jougnot, N. Linde, Y. Méheust
Geoelectrical Signatures of Reactive Mixing: A Theoretical Assessment
published pages: 3489-3498, ISSN: 0094-8276, DOI: 10.1002/2017gl076445
Geophysical Research Letters 45/8 2019-09-30
2017 T. Le Borgne, P. D. Huck, M. Dentz, E. Villermaux
Scalar gradients in stirred mixtures and the deconstruction of random fields
published pages: 578-610, ISSN: 0022-1120, DOI: 10.1017/jfm.2016.799
Journal of Fluid Mechanics 812 2019-09-30
2016 Daniel R. Lester, Marco Dentz, Tanguy Le Borgne
Chaotic mixing in three-dimensional porous media
published pages: 144-174, ISSN: 0022-1120, DOI: 10.1017/jfm.2016.486
Journal of Fluid Mechanics 803 2019-09-30
2018 Mathieu Souzy, Imen Zaier, Henri Lhuissier, Tanguy Le Borgne, Bloen Metzger
Mixing lamellae in a shear flow
published pages: , ISSN: 0022-1120, DOI: 10.1017/jfm.2017.916
Journal of Fluid Mechanics 838 2019-09-30
2018 R. Turuban, D. R. Lester, T. Le Borgne, Y. Méheust
Space-Group Symmetries Generate Chaotic Fluid Advection in Crystalline Granular Media
published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.120.024501
Physical Review Letters 120/2 2019-09-30

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