The Processing of Granular Media (PMMG) department is dedicated to the study of granular materials such as powders, cements, concretes, and particles. Its work aims to link the intrinsic properties of particles and the surrounding fluid to their macroscopic performance, such as flowability or chemical reaction, to address the challenges of the materials and energy industries.
Head
Sylvain Martin
Email: sylvain.martin@mines-stetienne.fr
Phone: +33 4 77 42 66 94

Areas of Expertise
Core Competencies
- Physics of granular media applied to sustainable processes
The objective is to understand the behavior of particles in unit operations such as mixers or fluidized bed reactors. - Formulation of decarbonized cementitious materials
The formulation of complex mixtures based on cementitious materials allows for both the decarbonization of an industry historically highly emitting of CO2 and the recycling and valorization of industrial waste. - Geometry of divided media and computer vision
Development of advanced mathematical models and tools for image and shape analysis, and their applications, particularly for granular, divided, and multiphase media.
Fields of activity
- Cementitious materials
Innovations for the decarbonization of this industry - Energy and environment
Optimization of nuclear fuel manufacturing processes. - Powder processing
Innovations in the transport, mixing, and separation of particles.
Research Areas
- Physics of granular media applied to sustainable processes
Analysis of granular properties to optimize processes such as grinding, mixing, and compression. - Modeling and simulation
Development of theoretical and numerical models to predict the behavior of granular materials. - Fluid-particle interaction
Studies on flow phenomena for applications in the materials industry. - Material formulation
Research on innovative formulations of sustainable concretes and cements.
Research unit
PMMG collaborates closely with the UMR CNRS 5307 – Laboratoire Georges Friedel (LGF), specializing in the mechanics of materials and structures. This collaboration focuses on the study of complex interactions between particles and fluids, as well as the modeling of granular material behaviors. The LGF contributes its expertise in mechanics, chemistry, and materials physics to support the development of innovative industrial processes, particularly in the design of sustainable cements and concretes. These joint efforts contribute to significant advancements in the optimization of granular processes and the ecological transition in the materials industry.
Contact and Practical Information
- Head
Sylvain Martin - Phone
+33 4 77 42 66 94 - Email
sylvain.martin@mines-stetienne.fr
- Address
École des mines de Saint-Étienne
Centre for Chemical Engineering
158, cours Fauriel,
42000 Saint-Étienne, France - Transportation
Bus: Line 6, stop “École des Mines”