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François Maréchal

Cette personne a quitté l’EPFL

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Publications associées (432)

Page 5 sur 22

Environomic multi-objective optimization of an eco-industrial park

François Maréchal, Maziar Kermani, Lindsay Dianne Lessard

A circular economy refers to an industrial economy with a cradle to cradle vision, shifting from the use of fossil fuels towards renewable energy, minimizing the use of toxic chemicals and reducing waste by recycling through careful system design. The conc ...

2015

Model Predictive Control Strategies for Low-Voltage Microgrids

Mario Paolone, François Maréchal, Ramanunni Parakkal Menon

Modern concepts for grids are being developed owing to the increasing stress put on the electrical producers and the burgeoning need for thermal demands due to varying climate conditions. The increasing awareness of the depletion of natural resources has a ...

Aidic Servizi Srl2014

Hybridisation Scenarios of Solid Oxide Fuel Cells, Batteries, and Internal Combustion Engines for Waterborne Transportation

François Maréchal, Daniel Alexander Florez Orrego, Eduardo Antonio Pina

The shipping industry was responsible for about 3% of global greenhouse gas (GHG) emissions in 2018. In this context, the International Maritime Organisation (IMO) has established stringent targets to reduce GHG emissions by at least 50% by 2050 compared t ...

Universidad de Las Palmas de Gran Canaria2023

Simultaneous optimisation and heat integration of evaporation systems including mechanical vapour recompression and background process

François Maréchal, Maziar Kermani

This paper proposes a general superstructure and a Mixed-Integer Nonlinear Programming (MINLP) model for the synthesis and simultaneous optimisation and Heat Integration (HI) of Single- and Multiple Effect Evaporation (SEE/MEE) systems including Mechanical ...

PERGAMON-ELSEVIER SCIENCE LTD2018

In-building waste water heat recovery: an urban scale method for energy saving assessments

François Maréchal, Alexandre Suzanne Jean-Marie Bertrand

Residential domestic hot water (DHW) energy consumption represented 16% of the EU household heating demand in 2013. Due to the improvement of the building envelop, it is expected to increase significantly, with values between 20% to 32% in single family bu ...

University of Ljubljana2016

Strategic energy planning for large-scale energy systems: A modelling framework to aid decision-making

François Maréchal, Daniel Favrat, Stefano Moret, Victor Codina Gironès

Concerns related to climate change and security of energy supply are pushing various countries to make strategic energy planning decisions. This requires the development of energy models to aid decision- making. Large scale energy models are often very com ...

2015

Power-to-methane via co-electrolysis of H2O and CO2: The effects of pressurized operation and internal methanation

François Maréchal, Jan Van Herle, Stefan Diethelm, Ligang Wang, Tzu-En Lin

This paper presents a model-based investigation to handle the fundamental issues for the design of co-electrolysis based power-to-methane at the levels of both the stack and system: the role of CO2 in co-electrolysis, the benefits of employing pressurized ...

2019

H2 processes with CO2 mitigation: Thermo-economic modeling and process integration

François Maréchal, Laurence Tock

Within the challenge of greenhouse gas reduction, hydrogen is regarded as a promising decarbonized energy vector. The hydrogen production by natural gas reforming and lignocellulosic biomass gasification are systematically analyzed by developing thermo-eco ...

2012

Optimal use of biomass in large-scale energy systems: insights for energy policy

François Maréchal, Stefano Moret, Emanuela Peduzzi, Victor Codina Gironès

Biomass chemical conversion processes allow the production of solid, liquid and gaseous biofuels, which can substitute almost any kind of fossil fuel and the associated greenhouse gas emissions. Despite this potential, high investment costs and conversion ...

2017

Performance polyamides built on a sustainable carbohydrate core

Kalaiyarasi Puvanenthiran, Clément Nicolas Broggi, François Maréchal, Véronique Michaud, Jeremy Luterbacher, Holger Frauenrath, Lorenz Perry Manker, Marie Jane Francine Jones, Maxime Alexandre Clément Hedou, Yildiz Aydan Rengin Kupper

Sustainably producing plastics with performance properties across a variety of materials chemistries is a major challenge-especially considering that most performance materials use aromatic precursors that are still difficult to source sustainably. Here we ...

Nature Portfolio2024

Solar thermal and geothermal integration with low temperature CO 2 DENs

François Maréchal, Luc Girardin, Raluca-Ancuta Suciu

Taking into account the high efficiency of solar thermal collectors and the fact that heating demands represent around 80% of the total energy needs in residential buildings, it is of interest to integrate solar thermal systems to supply HVAC services. How ...

Elsevier2018

Multi-objective optimization and exergoeconomic analysis of a combined cooling, heating and power based compressed air energy storage system

François Maréchal, Ligang Wang

Compressed air energy storage technologies can improve the supply capacity and stability of the electric- ity grid, particularly when fluctuating renewable energies are massively connected. While incorporating the combined cooling, heating and power system ...

Elsevier2017

Exergy and exergoeconomic analyses of sustainable furfural production via reactive distillation

François Maréchal

Lignocellulosic biomass is a potential renewable resource for production of high-value, sustainable products. Furfural is among the important bio-based chemicals in biorefineries. However, the conventional process of furfural production using a reaction-se ...

2021

A novel MILP approach for simultaneous optimization of water and energy: Application to a Canadian softwood Kraft pulping mill

François Maréchal, Maziar Kermani

An optimization methodology based on Mixed Integer Linear Programming (MILP) has been developed for simultaneous optimization of water and energy (SOWE) in industrial processes. The superstructure integrates non-water process thermal streams and optimizes ...

2017

Enhancing the operational flexibility of thermal power plants by coupling high-temperature power-to-gas

François Maréchal, Jan Van Herle, Ligang Wang, Yang Sun

The increasing penetration of intermittent renewable power challenges the stability of the electrical grid, thus coal power plants are usually required to extend the operation range by reducing the minimum load. This work proposes a concept of coupling sol ...

ELSEVIER SCI LTD2020

Thermo-economic analysis and multi-objective optimisation of lignocellulosic biomass conversion to Fischer-Tropsch fuels

François Maréchal, Emanuela Peduzzi

This paper addresses the techno-economic evaluation and optimisation of processes converting lignocellulosic biomass into liquid fuels, through the development of a suitable framework and the modelling and design of Biomass to Liquids (BTL) processes. In p ...

2018

Optimization of the end-of-life tire repartition within the European treatment system to minimize its environmental impacts

François Maréchal

This study contrasts two different approaches to inform European-scale decision-making to mitigate the environmental impacts of the end-of-life tires (ELT) management system. The first analysis is a traditional life cycle assessment (LCA) that compares the ...

2024

Methodology for the optimal thermo-economic, multi-objective design of thermochemical fuel production from biomass

François Maréchal, Martin Gassner

This paper addresses a methodology for the optimal conceptual design of thermochemical fuel production processes from biomass. A decomposed modelling approach with separate energy-flow, energy-integration and economic models are coupled with a multi-object ...

Elsevier2009

Towards energy-autonomous cities using CO2 networks and Power to Gas storage

François Maréchal, Paul Michael Stadler, Raluca-Ancuta Suciu, Araz Ashouri

Under Energy Strategy 2050, the federal government of Switzerland plans to greatly reduce per capita energy consumption, decrease the share of fossil fuels, and replace the nuclear electricity generation by gains in efficiency and use of renewable energy s ...

2016

Key energy and technological aspects of three innovative concepts of District energy networks

François Maréchal, Daniel Favrat, Samuel Henchoz, Patrick Chatelan

In urban areas, the use of thermal energy services is intensive and relatively heterogeneous by their nature, spatial distribution and temperature level required. In this study three concepts of district energy networks that could provide these services ve ...

2015