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François Maréchal

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Related publications (437)

Bottom-up method for potential estimation of energy saving measures

François Maréchal, Anna Sophia Wallerand, Ivan Daniel Kantor

Technology and energy saving potentials in the industrial sector are key data that policy-makers rely on to drive decision-making. A literature review reveals a distinct discrepancy between general potential estimation and detailed design studies. The form ...

Elsevier2019

Techno-Economic Optimization of CO2-to-Methanol with Solid-Oxide Electrolyzer

Jan Van Herle, François Maréchal, Ligang Wang, Hanfei Zhang

Carbon capture and utilization are promising to tackle fossil-fuel depletion and climate change. CO2 hydrogenation can synthesize various chemicals and fuels, such as methanol, formic acid, urea, and methane. CO2-to-methanol integrated with solid-oxide ele ...

2019

Are renewables really that expensive? The impact of uncertainty on the cost of the energy transition

François Maréchal, Stefano Moret, Francesco Baldi, Xiang Li

The dramatic evidence of climate change is making the transition to more renewable energy systems an urgent global priority. As energy planners normally look 20-50 years ahead, it is crucial to consider the key uncertainties stemming from inaccurate foreca ...

ELSEVIER SCIENCE BV2019

A Heat Load Distribution Method for Retrofitting Heat Exchanger Networks, 28th European Symposium on Computer Aided Process Engineering

François Maréchal, Alberto Mian, Hür Ebuzer Bütün, Ivan Daniel Kantor

Fluctuating energy prices, increasing environmental concerns, and regulations push industries toward more energy efficient plants. Process integration (PI) techniques, proven to be effective in providing solutions with improved energy and material efficien ...

2018

A Review of Evaluation, Optimization and Synthesis of Energy Systems: Methodology and Application to Thermal Power Plants

François Maréchal, Alberto Mian, Tzu-En Lin, Ligang Wang, Shivom Sharma

To reach optimal/better conceptual designs of energy systems, key design variables should be optimized/adapted with system layouts, which may contribute significantly to system improvement. Layout improvement can be proposed by combining system analysis wi ...

2018

A heat 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 large process industries. Mounting economic, environmental and social pressure motivate energy-intensive industries to improve their efficiency. Identifying retrofit opportunities ...

2018

Solar thermal and geothermal integration with low temperature CO 2 DENs

Luc Girardin, François Maréchal, 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

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

François Maréchal, Emanuela Peduzzi, Guillaume Boissonnet

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

Synthesis of Heat-Integrated Water Allocation Networks: A Meta-Analysis of Solution Strategies and Network Features

François Maréchal, Maziar Kermani, Ivan Daniel Kantor

Industries consume large quantities of energy and water in their processes which are often considered to be peripheral to the process operation. Energy is used to heat or cool water for process use; additionally, water is frequently used in production supp ...

2018

Generic superstructure synthesis of organic Rankine cycles for waste heat recovery in industrial processes

François Maréchal, Maziar Kermani, Anna Sophia Wallerand, Ivan Daniel Kantor

Waste heat accounts for up to 70% of input energy in industrial processes which enunciates the importance of energy recovery measures to improve efficiency and reduce excessive energy consumption. A portion of the energy can be recovered within the process ...

2018

A heat integration method with location-dependent heat distribution losses

François Maréchal, Hür Ebuzer Bütün, Ivan Daniel Kantor

Energy consumption in industrial processes is mainly in the form of heat. Thus, heat recovery is one of the main focuses in industrial energy efficiency problems. Heat integration (HI) techniques have been studied extensively to solve such problems. One of ...

2018

Review of design works for the conversion of sugarcane to first and second-generation ethanol and electricity

François Maréchal, Adriano Viana Ensinas, Rami Bechara, Jean-Marc Schweitzer

The conversion of sugarcane, the world's largest crop, to energy vectors, namely first and second-generation ethanol and electricity, is an ongoing scientific endeavor. This conversion makes use of complex processes with numerous unit operations and proces ...

2018

Contribution of Model Predictive Control in the Integration of Renewable Energy Sources within the Built Environment

Luc Girardin, François Maréchal, Paul Michael Stadler, Araz Ashouri

Integrating intermittent renewable energy sources has renders the power network operator task of balancing electricity generation and consumption increasingly challenging. Aside from heavily investing in additional storage capacities, an interesting soluti ...

2018

The optimum is not the goal: Capturing the decision space for the planning of new neighborhoods

François Maréchal, Jessen Page, Sébastien Cajot, Nils Christian Schüler

This article presents the development and application of a methodology that employs optimization not to seek the single or few optimal plan(s) but to provide planners with a systematic overview of their decision space. As urban development projects are not ...

2018

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

Thermoeconomic design of biomass biochemical conversion technologies for advanced fuel, heat and power production

François Maréchal, Maxime Alexandre Vigot, Theodoros Damartzis

The current work addresses the design and assessment of different biomass conversion pathways based on anaerobic digestion for the efficient transformation of the raw materials to a variety of products, including bio-SNG, heat and power. Using a generic su ...

2018

A data-driven model for the air-cooling condenser of large-scale coal-fired power plants based on data reconciliation and support vector regression

François Maréchal, Jean-Loup Sylvain Robineau, Ligang Wang, Ivan Daniel Kantor, Xiang Li

The performance of a direct air-cooling condenser under operation is rather complicated, as it is interactively affected by the operating conditions (e.g., the mode of air fans) and ambient conditions (e.g., temperature and wind speed). To understand the c ...

2018

Thermal profile construction for energy-intensive industrial sectors

François Maréchal, Maziar Kermani, Franz Wolf, Hür Ebuzer Bütün, Greta Martha Van Eetvelde, Anna Sophia Wallerand, Alessio Santecchia, Ivan Daniel Kantor

Industrial plant data are difficult to find in academic literature for a number of reasons such as confidentiality, and thus intentional masking, or problem size reduction. These common practices limit the ability of researchers to apply novel methods to r ...

2018

Comparison of extraction techniques for product diversification in a supercritical water gasification-based sugarcane-wet microalgae biorefinery: Thermoeconomic and environmental analysis

François Maréchal, Adriano Viana Ensinas

This study presents a thermoeconomic and environmental assessment of the extraction of lipids and proteins from wet microalgal biomass in a 3G biorefinery by two different technologies: supercritical fluid extraction (SFE) and low-pressure solvent extracti ...

ELSEVIER SCI LTD2018

Integration of solid oxide fuel cells in cruise ship energy systems

François Maréchal, Ligang Wang, 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 the efforts toward increasing ship energy efficiency, thus ultimately reducing fuel consumptio ...

2018

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