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François Maréchal

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Publications associées (437)

Industrial Flexibility as Demand Side Response for Electrical Grid Stability

François Maréchal, Alessio Santecchia, Ivan Daniel Kantor, Rafael Amorim Leandro De Castro Amoedo

Electricity markets are currently experiencing a period of rapid change. The intermittent nature of renewable energy is disrupting the conventional methods used in operational planning of the electrical grid, causing a shift from a day-ahead forecast polic ...

FRONTIERS MEDIA SA2022

Where is the money ? A decomposition of monetary flows behind fossil fuels

François Maréchal, Jonas Schnidrig, Raphaël Briguet, Xiang Li

Transition from fossils to renewables is leading to radical societal changes. Shifting the capital from fossils to renewables is commonly accompanied with political concerns, such as energy autonomy, domestic employment etc. Despite a decreasing trend in r ...

DTU Construct2022

Integrated production of urea and nitric acid in the pulp industry: techno-economic and environmental analysis of black liquor gasification-based processes

François Maréchal, Shivom Sharma, Daniel Alexander Florez Orrego, Meire Ellen Gorete Ribeiro Domingos

The pursuit of alternative energy sources for the nitrogen fertilizers sector has recently earned renewed interest due to increasing concerns regarding the world dependence on non-renewable energy resources and also motivated by the more stringent environm ...

2022

Editorial: Combined water and heat integration in the process industries

François Maréchal

2022

Energy hub-based optimal planning framework for user-level integrated energy systems: Considering synergistic effects under multiple uncertainties

François Maréchal, Chengzhou Li

The design of user-level integrated energy systems is challenged by a variety of combinations of energy converters, complex cascade utilization of multiple energy flows, as well as sequential matching between stochastic energy resources and periodic energy ...

ELSEVIER SCI LTD2022

Reinforcement Learning for proactive operation of residential energy systems by learning stochastic occupant behavior and fluctuating solar energy: Balancing comfort, hygiene and energy use

François Maréchal, Dolaana Khovalyg, Amirreza Heidari

When it comes to residential buildings, there are several stochastic parameters, such as renewable energy production, outdoor air conditions, and occupants’ behavior, that are hard to model and predict accurately, with some being unique in each specific bu ...

2022

Comparison and optimization of different fuel processing options for biogas-fed solid-oxide fuel cell plants

Jan Van Herle, François Maréchal

The biogas needs to be reformed before electro-chemical conversion in the solid-oxide fuel cell, which can be promoted efficiently with wise thermal management and reforming conditions. To ensure the system safety and catalysts durability, additional miner ...

PERGAMON-ELSEVIER SCIENCE LTD2022

Regionalisation in high share renewable energy system modelling

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

Governments are setting ambitious targets to tackle the issue of global warming by switching to renewable energy sources and reducing CO2 -emissions. For example, as announced in November 2020, Canada aims to achieve net zero GHG emissions by 2050. Large c ...

IEEE2022

Decomposition Strategy for Districts as Renewable Energy Hubs

François Maréchal, Cédric Terrier, Luise Middelhauve

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

Optimisation-based system designs for deep offshore wind farms including power to gas technologies

François Maréchal

A large deployment of energy storage solutions will be required by the stochastic and non-controllable nature of most renewable energy sources when planning for higher penetration of renewable electricity into the energy mix. Various solutions have been su ...

ELSEVIER SCI LTD2022

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

Pyrolysis and gasification integrated process of empty fruit bunch for multi-biofuels production: Technical and economic analyses

François Maréchal, Thanaphorn Detchusananard

The use of renewable energy sources has been promoted with concern about limited fossil fuels and increased environmental impact. Empty fruit bunch (EFB), which is a valuable biomass residual from palm oil milling processes, is one of the most promising re ...

Elsevier2022

Techno-economic and environmental analysis of methanol and dimethyl ether production from syngas in a kraft pulp process

François Maréchal, Daniel Alexander Florez Orrego

The conventional configuration of a pulp mill, in which black liquor is concentrated and burnt, is compared to the upgrading gasification routes for methanol (MeOH) or dimethyl ether (DME) co-production. To this end, various exergy-based and environmental ...

PERGAMON-ELSEVIER SCIENCE LTD2022

Design and optimization of a solid oxide fuel cell-inverted gas turbine integrated system with zero carbon emission for distributed cogeneration

François Maréchal, Shivom Sharma

Solid oxide fuel cell-gas turbine (SOFC-GT) hybrid system is an efficient and potential method for distributed energy supply. The system layout, component operating parameters, system-level heat integration, component selection and design, etc., determine ...

Elsevier2022

Potential of electric mobility as service to the grid in renewable energy hubs

François Maréchal, Cédric Terrier, Luise Middelhauve

The electrification of private mobility is becoming a popular solution to reduce the reliance on fossil fuels. However, uncontrollable charging of a large electric vehicle fleet challenges the distribution grid due to transmission bottlenecks, voltage limi ...

2022

Assessment of Carbon Capture Technologies for Waste-to-Energy System

François Maréchal, Shivom Sharma, Rafael Amorim Leandro De Castro Amoedo

Municipal solid waste is a mixture of urban and industrial waste, consisting of biodegradable fractions, such as food waste, waste wood or paper, but also fossil-based fractions, among which plastics, textiles, metals, glass and aluminum. Depending on the ...

Elsevier2022

Prospective study on the cost evolution for key energy technologies

François Maréchal, Xiang Li

Drastic variations of energy costs are witnessed in past decades, especially for low-carbon technologies, where decreasing and increasing trends co-existed. Estimating the cost evolution in the future is hence essential in long-term energy planning. Despit ...

2022

An occupant-centric control framework for balancing comfort, energy use and hygiene in hot water systems: A model-free reinforcement learning approach

François Maréchal, Dolaana Khovalyg, Amirreza Heidari

Occupants' behavior is a major source of uncertainty for the optimal operation of building energy systems. The highly stochastic hot water use behavior of occupants has led to conservative operational strategies for hot water systems, that try to ensure oc ...

2022

Compressed natural gas (cng) power system with co2 emissions capture and storage

François Maréchal, Shivom Sharma

CNG power system (1) comprising a storage tank (6) connected fluidically to a fuel conversion system (2) via an energy transfer system (4), the fuel conversion system (2) comprising a power unit using CNG as fuel and generating gas emissions comprising C02 ...

2022

MILP based approach for the preliminary investigation of thermal networks in urban areas

François Maréchal, Francesca Belfiore

District Energy Systems (DES) have been widely recognized as crucial components for successful national energy transitions towards meeting 2050 greenhouse gas emissions' reduction targets. While District Heating Network (DHN) still has a role to play in th ...

Int Building Performance Simulation Assoc-Ibpsa2022

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