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François Maréchal

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Related publications (437)

The use of GVL for holistic valorization of biomass

This work presents solutions for the holistic utilization of lignocellulosic biomass based on the "lignin first " concept. Biomass is fractionated by employing gamma-Valerolactone (GVL) and formaldehyde solvents to effectively extract and protect the ligni ...

PERGAMON-ELSEVIER SCIENCE LTD2022

Overcoming decision paralysis—A digital twin for decision making in energy system design

François Maréchal, Tuong-Van Nguyen, Julia Granacher

The design of efficient energy systems, through the development of new technologies and the improvement of current ones, requires the use of rigorous process synthesis methods for generating and analysing design alternatives. We introduce a digital twin of ...

2022

Assessment of the role of infrastructure in high share renewable energy systems

François Maréchal, Jonas Schnidrig, Xiang Li

The transition of the global energy sector from fossil-based towards a zero-carbon system is a necessity to mitigate the impacts of climate change. The ratification of both, the Paris agreement in 2015 and the European Green Deal in 2019, illustrates the p ...

DTU Construct2022

Decentralized ICT integration in residential buildings

François Maréchal

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

Grid-Aware Layout of Photovoltaic Panels in Sustainable Building Energy Systems

François Maréchal, Paul Michael Stadler, Luise Middelhauve, Francesco Baldi

In the context of increasing concern for anthropogenic CO2 emissions, the residential building sector still represents a major contributor to energy demand. The integration of renewable energy sources, and particularly of photovoltaic (PV) panels, is becom ...

2021

Fuel cell-battery hybrid systems for mobility and off-grid applications: A review

Jan Van Herle, François Maréchal, Xun Liao, Ligang Wang

The global demand for fossil fuels in the transportation sector is increasing rapidly due to the continuous growth of internal combustion engine vehicles. This leads to severe environmental problems, including greenhouse gas emissions and air-quality deter ...

PERGAMON-ELSEVIER SCIENCE LTD2021

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 study on synergies of combined pulp and fuel production

François Maréchal, Tuong-Van Nguyen, Erina Clare Mcdonald, Julia Granacher

To limit climate change by reducing global greenhouse gas emissions, a transition away from fossil fuels is required. Biofuels represent a promising low carbon alternative for sectors that are hard to electrify, such as aviation. The integration of bio ref ...

2021

Dynamic optimization modelling for a national-scale energy sysem in transition

François Maréchal, Subhash Kumar, Xiang Li

2021

Network design optimization of waste management systems: the case of plastics

François Maréchal

Failure in appropriately managing complex municipal solid waste systems in general and waste plastics in particular negatively affects public health and environment. A decision-making tool incorporating concepts of logistics and supply chain, considering d ...

Elsevier2021

Appendix: Regionalisation in high share renewable energy system modelling

François Maréchal, Tuong-Van Nguyen, Jonas Schnidrig, Xiang Li

This document corresponds to the appendix of the paper Regionalisation in high share renewable energy system modelling by Schnidrig et al. in redaction, and is based on the Master thesis of Amara Slaymaker 2021, giving additional information about the meth ...

2021

How Smart is the Grid?

Luc Girardin, François Maréchal, Ermanno Lo Cascio, Zhichuan Ma

Ancient Romans called urbs the set of buildings and infrastructures, and civitas the Roman citizens. Today instead, while the society is surfing the digital tsunami, urbs and civitas tend to become much closer, almost merging, that we might attempt to cond ...

2021

The Role of Biowaste: A Multi-Objective Optimization Platform for Combined Heat, Power and Fuel

François Maréchal, Rafael Amorim Leandro De Castro Amoedo, Julia Granacher

Biomass, bioenergy and negative emission technologies are inherent to the future design of energy systems. Urban clusters have a growing demand for fuel, heat and electricity, which is both a challenge and an opportunity for biomass-based technologies. The ...

2021

An adaptive control framework based on Reinforcement learning to balance energy, comfort and hygiene in heat pump water heating systems

François Maréchal, Dolaana Khovalyg, Amirreza Heidari

A major challenge in the operation of water heating systems lies in the highly stochastic nature of occupant behavior in hot water use, which varies over di,erent buildings and can change over the time. However, the current operational strategies of water ...

IOP PUBLISHING LTD2021

On the Application of Small-Scale Turbines in Industrial Steam Networks

Jürg Alexander Schiffmann, Ansgar Weickgenannt, François Maréchal, Ivan Daniel Kantor

This study investigates the technical and economic feasibility of replacing throttling valves with smale-scale, oil-free turbomachinery in industrial steam networks. This is done from the perspective of the turbomachine, which has to be integrated into a n ...

2021

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

Application of artificial intelligence on uncertainty analysis for long-term energy system planning

François Maréchal, Jonas Schnidrig, Xiang Li

2021

Cycloaddition of Biogas-Contained CO2 into Epoxides via Ionic Polymer Catalysis: An Experimental and Process Simulation Study

Mohammad Khaja Nazeeruddin, François Maréchal, Paul Joseph Dyson, Antoine Philippe Van Muyden, Felix Daniel Bobbink, Masoud Talebi Amiri, Alexy Robert Bonnin

Biogas upgrading technologies are crucial for the production of high-purity biomethane. Efficient CO2 removal methods that are currently commercialized rely on "catch-and-release" mechanisms, and the CO2 stream is usually discharged into the atmosphere wit ...

AMER CHEMICAL SOC2021

Towards a sustainable supply chain on plastic waste management : a multi-criteria optimization approach

François Maréchal, Ivan Daniel Kantor, Diya Achi, Rafael Amorim Leandro De Castro Amoedo

Municipal solid waste and waste plastics are currently perceived as an environmental threat. Thermovalorization and recycling are the primary technologies used for disposal, with re- searchers and practitioners advocating for one or the other, but far from ...

2021

Techno-Economic Optimization of an Integrated Biomass Waste Gasifier–Solid Oxide Fuel Cell Plant

Jürg Alexander Schiffmann, Jan Van Herle, Arata Nakajo, François Maréchal, Maria del Mar Perez Fortes, Victoria Xu Hong He

With a growing energy demand in a carbon-constrained society, fuels cells powered by renewable fuels, and specifically solid waste, are seen as interesting contributors to the energy portfolio. The alternative energy industry needs to reduce costs, enhance ...

2021

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