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François Maréchal

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Related publications (437)

Early-stage decision making approach for the selection of optimally integrated biorefinery processes

François Maréchal, Adriano Viana Ensinas, Ayse Dilan Celebi, Shivom Sharma

Lignocellulosic biorefineries are the best non-petroleum alternatives for a sustainable development. In the biorefinery process design, it is important to implement an algorithm that allows the systematic generation and the evaluation of energy conversion ...

2017

IntegrCiTy - D2.3 Report - Enabling and integrating a common IT structure: Definition of a back-end layer architecture

Luc Girardin, François Maréchal, Jessen Page, Gillian Jean Bernard Basso

The concept of the IntegrCiTy platform is built around the development of a single application as a suite of independent software: project partners will mutualize a certain number of tools that shall be integrated in the IntegrCiTy platform. Therefore, a r ...

IPESE-EPFL2017

A process integration method with multiple heat exchange interfaces

François Maréchal, Hür Ebuzer Bütün, Ivan Daniel Kantor

In recent decades, energy efficiency has become one of the key issues facing industrial producers. Mounting economic, environmental and social factors motivate energy-intensive industries to improve their efficiency. Identifying energy saving retrofit oppo ...

2017

SCCER-FURIES - A decision support tool for the geo-localised design and assessment of the integration of multi-carrier/multi-services/multi-grids innovative energy conversion systems in urban systems and industrial clusters - Deliverable 1.5.4

Luc Girardin, François Maréchal, Paul Michael Stadler

The computing platform (OSMOSELua) has been developed in the Industrial Process and Energy Systems Engineering group IPESE at EPFL as a flexible and robust tool for the design of complex integrated energy systems. The decision tool has been developed using ...

2017

In-building waste water heat recovery: An urban-scale method for the characterisation of water streams and the assessment of energy savings and costs (vol 192, pg 110, 2017)

François Maréchal, Alexandre Suzanne Jean-Marie Bertrand, Riad Aggoune

2017

Energy efficiency as an example of cross-discipline collaboration in chemical engineering

François Maréchal

This paper summarizes the round-table discussion that was held during the European Congress of Chemical Engineering (ECCE) in Nice, France, in October 2015 on this topic. The panellists come from different fields of chemical engineering and have thus broug ...

2017

Spatial clustering for district heating integration in urban energy systems: application to geothermal energy

François Maréchal, Stéphane Joost, Jérémy Michel Pierre Unternährer, Stefano Moret

Given the challenges related to climate change and dependency from fossil fuels, modification of the energy systems infrastructure to increase the share of renewable energy is a priority in urban energy planning. The high heating density in cities makes it ...

2017

Integrated System Design of a Small-scale Power-to-Methane Demonstrator

Stefan Diethelm, Jan Van Herle, François Maréchal, Alberto Mian, Ligang Wang

Power-to-methane technology has been considered as a promising alternative to cope with seasonal storage of renewable energy and the utilization of CO2 captured from various sources, due to the existing infrastructure for massive methane storage and distri ...

2017

Integration of CO2 networks and Power to Gas for emerging energy autonomous cities in Europe

Luc Girardin, François Maréchal, Raluca-Ancuta Suciu

CO2 is used more and more as a refrigerant in the commercial and food retail industries and a majority of experts believe that its share in the field of residential heating, commercial refrigeration and mobile air conditioning across Europe will be higher ...

2017

Exergy assessment of future energy transition scenarios with application to Switzerland

Daniel Favrat, François Richard Vuille, François Maréchal, Victor Codina Gironès, Matteo Allais

Using an exergy based indicator is highly desirable to compare future national energy strategies. A new web- based information platform called energyscope.ch, informing the general public on the Swiss energy transition was presented at ECOS2016. This paper ...

2017

MINLP model and two-stage algorithm for the simultaneous synthesis of heat exchanger networks, utility systems and heat recovery cycles

François Maréchal, Alberto Mian, Emanuele Martelli

This work proposes a novel approach for the simultaneous synthesis of Heat Exchanger Networks (HEN) and Utility Systems of chemical processes and energy systems. Given a set of hot and cold process streams and a set of available utility systems, the method ...

2017

Obstacles in energy planning at the urban scale

François Maréchal, Sébastien Cajot

Cities are expected to play a key role in achieving the ambitious energy targets set by the European Union. By looking at opportunities beyond the single building scale, urban planners can significantly contribute to shape energy-efficient and low-carbon c ...

2017

Estimating the potential for thermal load management in buildings at a large scale: overcoming challenges towards a replicable methodology

François Maréchal, Araz Ashouri, Solène Goy

A large share of the energy is consumed in buildings but at the individual scale, the energy consumption is rarely optimized; as a consequence, energy is wasted, electricity consumption is characterized by peaks and renewable energy integration is hindered ...

Elsevier Science Bv2017

Combined water and energy integration in industrial processes with restricted connections

François Maréchal, Maziar Kermani, Ivan Daniel Kantor

Reducing the environmental impact of industrial processes is highly linked with decreasing consumption of natural resources, energy, and water. In the context of climate change, as discussed during the Conference of Parties in Paris (COP21), the efficient ...

2016

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

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

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 ...

University of Ljubljana2016

Multi-objective Optimization of Solid Oxide Fuel Cell–Gas Turbine Hybrid Cycle and Uncertainty Analysis

François Maréchal, Emanuela Peduzzi, Ayse Dilan Celebi, Shivom Sharma

Chemical process optimization problems often have multiple and conflicting objectives, such as capital cost, operating cost, production cost, profit, energy consumption and environmental impact. There are several conversion technologies that can convert Sy ...

University of Ljubljana2016

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

François Maréchal, Alexandre Suzanne Jean-Marie Bertrand, Riad Aggoune

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

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

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

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

A method for taking into account seasonal storage in a district energy system optimisation problem

François Maréchal, Jessen Page, Jean-Loup Sylvain Robineau

In this work, a method for taking into account seasonal storage in an energy optimisation problem is developed. A master-slave optimisation procedure is applied, in which the master optimisation is an evolutionary algorithm, while the slave optimisation is ...

2016

Thermo-economic optimization of a combined cooling, heating and power system based on small-scale compressed air energy storage

François Maréchal, Ligang Wang, Erren Yao

Energy storage systems are important for dealing with the fluctuation of renewable energies in course of their increasing penetration into the energy market. Small-scale compressed air energy storage (CAES) with artificial air vessels can improve the suppl ...

Elsevier2016

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