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François Maréchal

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Related publications (432)

Page 4 of 22

Analysis and optimization of solid oxide fuel cell system with anode and cathode off gas recirculation

François Maréchal, Jan Van Herle, Shivom Sharma, Xinyi Wei

Solid oxide fuel cell technology shows great potential in generating electricity. However, insufficient steam in the stack can result in carbon deposition, accelerating cell degradation over prolonged operation. To prevent this, ensuring an adequate supply ...

2025

SCCER-FURIES - Report on the role of multi-carrier, multi-services, multi-grids integrated energy conversion systems and their possible role in the Swiss energy 2050 - Deliverable D1.5.3

François Maréchal, Luc Girardin, Paul Michael Stadler

The optimisation of distributed and renewable energy systems in buildings has shown that zero energy systems, using existing technologies, is within reach in the household sector where the thermal and the systems can support each other to increase renewabl ...

2017

Design and Optimization of Membrane System for Gas Separation

François Maréchal, Shivom Sharma

Membrane separation may substitute conventional energy intensive technologies, and it could have cost benefits and lower environmental footprints. Several membrane processes have been developed to achieve higher purity and recovery of products. This study ...

Elsevier2022

Decentralized ICT integration in residential buildings

François Maréchal, Dorsan Alexis A. Lepour

To answer the growing demand for data computing, data storage and data transmission, the current trend is to construct centralized hyperscale data centers, whose power usage effectiveness (PUE) has substantially improved in recent years. Still, the operati ...

Technical University of Denmark2022

A heat integration method with multiple heat exchange interfaces

François Maréchal, Ivan Daniel Kantor, Hür Ebuzer Bütün

In recent decades, energy efficiency has become one of the key issues facing large process industries. Mounting economic, environmental and social pressure motivate energy-intensive industries to improve their efficiency. Identifying retrofit opportunities ...

2018

Self-learning surrogate models in superstructure optimization

François Maréchal, Ivan Daniel Kantor, Julia Granacher, Michel Lopez

In this contribution, we propose an algorithm for replacing non-linear process simulation integrated in multi-level optimization of an energy system superstructure with surrogate models. With our approach, we demonstrate that surrogate models are a valid t ...

Elsevier2021

Decarbonising the glass industry: A comprehensive techno-economic assessment of low-emission pathways

François Maréchal, Daniel Alexander Florez Orrego

The glass industry faces critical decarbonisation challenges due to high energy demand and reliance on fossil fuels. This study presents a comprehensive techno-economic analysis of diverse decarbonisation pathways for flat glass production, including elect ...

Elsevier BV2025

Data-driven systematic methodology for predicting optimal heat pump integration based on temperature levels and refrigerants

François Maréchal, Daniel Alexander Florez Orrego

In the context of the industrial shift towards carbon neutrality and electrification, high temperature heat pumps have emerged as feasible solutions for decarbonizing the heat supply at temperatures previously associated only to fired or resistive heating ...

Elsevier2025

New proposal for production of bioactive compounds by supercritical technology integrated to a sugarcane biorefinery

François Maréchal, Adriano Viana Ensinas

The construction of a supercritical fluid extraction (SFE) plant inside or in close proximity to a sugarcane biorefinery producing first and second generation ethanol demonstrated to be very promising, increasing the economic potential of the SFE process i ...

Springer Verlag2014

An analysis of the impacts of green mobility strategies and technologies on different European energy system

François Maréchal, Jonas Schnidrig, Tuong-Van Nguyen

A successful decarbonization of the European Union, coupled with a high integration of renewable energy and ambitious targets for energy efficiency, can only be reached with a significant contribution from transport. This sector currently represents a quar ...

2021

Thermo-economic process model for thermochemical production of Synthetic Natural Gas (SNG) from lignocellulosic biomass

François Maréchal, Martin Gassner

A detailed thermo-economic model considering different technological alternatives for thermochemical production of Synthetic Natural Gas (SNG) from lignocellulosic biomass is presented. First, candidate technology for processes based on biomass gasificatio ...

Elsevier2009

Optimal Design of Heat-Integrated Water Allocation Networks

François Maréchal, Ivan Daniel Kantor, Maziar Kermani

Industrial operations consume energy and water in large quantities without accounting for potential economic and environmental burdens on future generations. Consumption of energy (mainly in the form of high pressure steam) and water (in the form of proces ...

2019

Integration of Supercritical Water Gasification in Combined 1G/2G Ethanol Production

François Maréchal, Adriano Viana Ensinas, Alberto Mian

The present study investigates the potential conversion of sugarcane into ethanol and synthetic natural gas. The considered conversion path consists in combining ethanol first and second generation ethanol production plant with a catalytic supercritical wa ...

Aidic Servizi Srl2014

Process integration as a tool for the improvement of cruise ships energy efficiency

François Maréchal, Francesco Baldi

The growing trend of the cruise ship industry, together with increasing concerns over its impact on the environment, makes these ships a much relevant target for efforts toward increasing ship energy efficiency, thus ultimately reducing fuel consumption an ...

2018

Decomposition Strategy for Districts as Renewable Energy Hubs

François Maréchal, Luise Middelhauve, Cédric Terrier

In light of the energy transition, it becomes a widespread solution to decentralize and to decarbonize energy systems. However, limited transformer capacities are a hurdle for large-scale integration of solar energy in the electricity grid. The aim of this ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2022

Hybrid Cycle SOFC - Inverted Gas Turbine with CO2 Separation

François Maréchal, Daniel Favrat, Emanuele Facchinetti

A new gas turbine-fuel cell Hybrid Cycle is proposed. The fuel cell advantageously operates close or under atmospheric pressure and is fully integrated with the gas turbine that is based on an Inverted Brayton-Joule Cycle. The idea of the invention is to c ...

2011

From Local Energy Communities towards National Energy System: A Grid-Aware Techno-Economic Analysis

Joseph René Hubert Loustau, François Maréchal, Cédric Terrier, Dorsan Alexis A. Lepour

Energy communities are key actors in the energy transition since they optimally interconnect renewable energy capacities with the consumers. Despite versatile objectives, they usually aim at improving the self-consumption of renewable electricity within lo ...

MDPI2024

Robust multi-objective optimization of solid oxide fuel cell–gas turbine hybrid cycle and uncertainty analysis

François Maréchal, Shivom Sharma

Chemical process optimization problems often have multiple and conflicting objectives, such as capital cost, operating cost, production cost, profit, energy consumptions and environmental impacts. In such cases, Multi-Objective Optimization (MOO) is suitab ...

2018

Energy Planning of Beijing Towards Low-Carbon, Clean and Efficient Development in 2035

François Maréchal

Energy transition towards clean, efficient energy supply has been a common sense of the government and public in China. However, lacking reasonable planning will lead to undisciplined development, resource waste, and excessive investment. In this context, ...

CHINA ELECTRIC POWER RESEARCH INST2024

Environmental, Energetic and Economic Evaluation of Implementing a Supercritical Fluid-Based Nanocellulose Production Process in a Sugarcane Biorefinery

François Maréchal, Juliana Queiroz Albarelli

Nanocellulose, which is a disintegration product of plant cellulose, has recently come to public attention because of its great mechanical properties combined with renewability and biodegradability. From an environmental point-of-view, nanocellulose has sh ...

AIDIC Servizi S.r.l.2016