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Publications (218)
National carbon neutrality scenarios usually focus on territorial greenhouse gas (GHG) emissions. Their implementation could thus possibly result in some impact transfers to life cycle steps outside the territory or to other environmental issues. Life Cycle Assessment (LCA) could help to assess comprehensively these scenarios. In this perspective,...
Keywords: Hydrogen supply chain Reliability assessment Mixed methods research Multi-attribute utility theory Horizon scanning Technological expectations A B S T R A C T Estimating the reliability of future energy supply chains is a vital yet complex task driven by environmental and energy security concerns in the context of the ongoing energy trans...
This article presents a comprehensive approach to design hydrogen supply chains (HSCs) targeting industrial and mobility markets. Even if the inclusion of sustainability criteria is paramount, only a few studies simultaneously consider economic, environmental, and social aspects - the most difficult to measure. In this paper, the safety risk and th...
This paper presents an optimization modeling approach to support strategic planning for designing hydrogen supply chain (HSC) networks. The energy source for hydrogen production is proposed to be electricity generated at Mexican sugar factories. This study considers the utilization of existing infrastructure in strategic areas of the country, which...
In the pathway toward decarbonization, hydrogen is presented as a great option as it can be produced from a wide variety of feedstock using multiple production, storage and transportation options for diverse applications. Although H2 could provide flexibility and sector coupling to energy systems, the design and management of the hydrogen supply ch...
The current global climate situation requires adequate energy technologies and systemic solutions to reduce CO2 emissions to reach the carbon neutrality target by 2050. Cogeneration in nuclear power plants can provide a low-carbon source of process heat. These plants are in most cases optimized only for electricity production, which is the case for...
Nowadays, a large part of daily activities is associated with the use of fossil fuels. Therefore, the excessive exploitation and related pollution have led to the search for alternatives. A current alternative to replace them is production of biofuels. They are produced in facilities called biorefineries which are ecodesigned. The ecodesign in bior...
The food industry urgently needs to design sustainability into its processes. Here we develop a methodological framework for the ecodesign of food processes. The framework combines process flowsheeting (using a process simulation tool) and multiobjective optimization with life-cycle and cost-cycle analysis tools embedded in a multicriteria decision...
Nowadays, a large part of daily activities is associated with the use of fossil fuels. Therefore, the excessive exploitation and related pollution have led to the search for alternatives. A current alternative to replace them is production of biofuels. They are produced in facilities called biorefineries which are ecodesigned. The ecodesign in bior...
This paper presents a methodological design framework for Hydrogen and Methane Supply Chains (HMSC) based on Power-to-Gas (PtG) systems. The novelty of the work is twofold, first considering a specific demand for hydrogen for electromobility in addition to the hydrogen demand required as a feedstock to produce synthetic methane from the methanation...
This work presents a methodological design framework for Hydrogen and Methane Supply Chains (HMSC). An innovative approach is to focus on Power-to-Hydrogen (PtH) and Power-to-Methane (PtM) concepts, and their interactions with other technologies, and energy carriers (i.e., Steam Methane Reforming – SMR, and natural gas). The overall objective of th...
This paper presents a methodological framework for the design of Hydrogen and Methane Supply Chains (HMSC), mainly focusing on Power-to-Gas (PtG) with low-carbon sources to spur the energy transition. The scientific objective is to perform mono and multi-objective optimizations of the HMSC to provide effective support for the study of deployment sc...
This paper addresses the design of the hydrogen supply chain (HSC) with a focus on the its decentralization degree. For this purpose, the superstructure used for HSC modelling is split into six echelons, i.e., primary energy source, H2 production, conditioning and centralized storage, distribution, conditioning and decentralized storage, final usag...
The cleaning phase is seldom included in the eco-design of food processes, since few cleaning kinetics models exist. The goal of this study was to investigate benefits of including a cleaning kinetics model, which considers three major operating parameters of cleaning (concentration, temperature and flow rate), in the eco-design of a food process....
A lot of recent studies have concluded that hydrogen could gradually become a much more significant component of the European energy mix for mobility and stationary fuel cell system applications. Yet, the challenge of developing a future commercial hydrogen economy still remains through the deployment of a viable hydrogen supply chain and an increa...
Hydrogen is currently considered one of the most promising sustainable energy carriers for mobility applications. A model of the hydrogen supply chain (HSC) based on MILP formulation (mixed integer linear programming) in a multi-objective, multi-period formulation, implemented via the ε-constraint method to generate the Pareto front, was conducted...
Software product lines (SPL) emulate the industrial production lines that are capable of generating large volumes of products through reuse schemes and mass production. A multi product line (MPL) aims to reuse of several SPL. Feature models are often used to manage the existing resources of SPLs and define valid products through notations and relat...
An important contribution to the environmental impact of agro-food supply chains is related to the agricultural technology and practices used in the fields during raw material production. This problem can be framed from the point of view of the Focal Company (FC) as a raw material Green Supplier Selection Problem (GSSP). This paper describes an ext...
This paper presents the data set, variables and criteria for the development of a multi-objective and multi-period Mixed Integer Linear Programming (MILP) model for the deployment and design of an aerospace CFRP (Carbon Fibre Reinforced Polymer) waste supply chain. It involves ε-constraint, lexicographic techniques and Multiple Criteria Decision Ma...
Hydrogen and fuel cell technologies are one solution for addressing the challenges that major airports are facing today, such as upward price trends of liquid hydrocarbon fuels, greenhouse gas (GHG) emission regulations, and stricter noise and air pollutant emission regulations, especially for on-ground pollution. An airport can also be viewed as t...
This paper presents a modelling framework for the deployment and design of aerospace CFRP (Carbon Fibre Reinforced Polymer) waste supply chain. The problem involves a multi-period Mixed Integer Linear Programming (MILP) formulation considering ε-constraint, lexicographic techniques and Multiple Criteria Decision Making (MCDM) tools. The methodology...
An innovative resource flow optimization model is proposed that aims at helping decision makers to choose the best resource management policies at national and international scales. This model has been developed and validated on French copper cycle, but can easily be extended to any country or metal. A mathematical formulation of all the in- and ou...
This article proposes a novel approach that uses a mathematical model optimized by Genetic Algorithms harmonized with the Russian theory of problem solving and invention (TRIZ) to design an export packing of Persian Lime. The mathematical model (with functional elements of non-spatial type) optimizes the spaces of the Persian Lime Packing, maximize...
Hydrogen is one of the most promising energy carriers in the quest for a more sustainable energy mix. In this paper, a model of the hydrogen supply chain (HSC) based on energy sources, production, storage, transportation, and market has been developed through a MILP formulation (Mixed Integer Linear Programming). Previous studies have shown that th...
The high cost and energy intensity of virgin carbon fibre manufacturing constitute a challenge to recover substantial value from carbon fibre reinforced polymers (CFRP). The objective of this study is to assess the environmental and financial viability of several waste management processes for CFRP. Life cycle costing and environmental assessment m...
Photovoltaic grid-connected systems (PVGCS) promise to be a major contributor of the future global energy system. Even if no GreenHouse Gases (GHG) are emitted during their operation phase, emissions are generated by the use of fossil fuel-based energy during the manufacture, building and recycling of the components. An integrated ecodesign framewo...
This study performed a Life Cycle Assessment (LCA) to evaluate the environmental impact of chicken meat production from a Mexican case study, with a “cradle-to-slaughterhouse gate” approach. To overcome the LCA's limitations and provide a more holistic picture of the system, simulation and artificial intelligence techniques were integrated. First,...
Purpose
This work assesses the environmental benefits of including the recycling strategies for PV modules at the earlier design stage of PV grid-connected systems (PVGCS) considering simultaneously techno-economic and environmental criteria.
Methods
First, two case studies from dedicated literature have been selected based on the availability of...
The lack of existing infrastructure for hydrogen deployment is largely reported in the dedicated literature. The aim of this chapter is to present and define various pathways and technologies that can be followed to model the hydrogen supply chain (HSC) through supply chain management (SCM) concepts to efficiently integrate suppliers, manufacturers...
Because of the central position of the chemical industries along the value chain, process design has a pivotal role, involving many decision makers and multiple levels of decisions. To tackle the environmental concern at source, this article presents a methodological framework for process ecodesign, coupling flowsheeting simulators both for product...
The increased use of carbon fibre reinforced polymers (CFRP) has raised the environmental concerns on waste disposal and consumption of non-renewable resources as well as economic awareness for the need to recycle CFRP wastes stemming from aircraft. This study develops an optimisation approach of CFRP waste management with the simultaneous objectiv...
New consumer awareness is shifting industry towards more sustainable practices, creating a virtuous cycle between producers and consumers enabled by eco-labelling. Eco-labelling informs consumers of specific characteristics of products and has been used to market greener products. Eco-labelling in the food industry has yet been mostly focused on pr...
Food production has put enormous strain on the environment. Supply chain network design provides a means to frame this issue in terms of strategic decision making. It has matured from a field that addressed only operational and economic concerns to one that comprehensively considers the broader environmental and social issues that face industrial o...
Several pathways have been investigated to recycle Carbon Fibre Reinforced Polymers (CFRP), that have been increasingly used in a wide range of applications such as automotive, aerospace and renewable energy. Pyrolysis is currently considered to be the only process that is available on an industrial scale. Yet to our knowledge, no study based on pr...
Nowadays, hydrogen is considered as one of the most promising energy carriers for mobility applications. A model of the hydrogen supply chain (HSC) based on MILP formulation (Mixed Integer Linear Programming) in a multi-objective formulation implemented via the ε-constraint method to generate the Pareto front was carried out in a previous work and...
Over the past two decades, the integration of environmental concerns into decision making has been gaining prominence both at national and global levels. Sustainable development now factors into policy design as well as industrial technological choices. For this purpose, Life Cycle Assessment (LCA)–which evaluates environmental impacts of products,...
In this paper, a solution strategy based on an optimization formulation is proposed for the design of water allocation and heat exchange networks (WAHEN) in the process industries. Such typical large problems involve many processes, regeneration units and multi-contaminants. For this purpose, a two-stage methodology is proposed. The first step is t...
The core of this study is the design of Water Allocation Networks (WAN) defined by a superstructure integrating different processes, regeneration units and contaminants. In this work, different optimization frameworks are compared to identify the main elements and criteria to be considered as well as the more robust methodology to solve problems in...
In the last few years, composites have been used increasingly in different applications (aerospace, automobile, industry, sports...). Both environmental and economic factors have driven the development of recycling pathways for the increasing amount of fibre reinforced polymer (FRP) scrap generated. A recycling system for FRP has to be designed to...
Consequential LCA (CLCA) is used to model consequences of decisions and is thus broader in scope in the sense that a CLCA should include the environmental assessment of the consequences (either direct or indirect) of changes from a state A to a state B. By definition, CLCA is intrinsically well suited to energy transition environmental assessment,...
L'objectif de ce dossier est de montrer à travers deux exemples d'application tout l'intérêt des techniques de simulation et d'optimisation en ordonnancement et conception d'ateliers , dans un contexte où le développement et la commercialisation d'un nouveau produit impliquent des activités de recherche et développement complexes et coûteuses : ain...
This study focuses on the development of a methodological framework for the design of a five-echelon hydrogen supply chain (HSC) (energy source, production, storage, transportation and fuelling station) considering the geographic level of implementation. The formulation based on mixed integer linear programming involves a multi-criteria approach wh...
Production of the Persian lime (Citrus latifolia tanaka) has been the main objective of several studies
related to the problem of low performance of yield and fruit quality in the orchard, attributed among different
technological factors to the minimal application of Good Agricultural Practices (GAP) and to the
cultural aspects of the producer. Thi...
A model of copper scrap management at country level is proposed, taking all copper scrap collection streams into account, with their associated environmental impacts and costs. The method is applied to the treatment of printed wiring boards (PWB) in France. Considering the initial physical properties and composition of this scrap, seven flowsheets...
Ecodesign of food manufacturing processes aims at optimizing their environmental, technological and socio-economic performance while securing the overall quality of the food. Cumulative legislative, economic and ecological pressure along with a growing demand for food in developing and emerging, and functionalized food in Western countries call for...
A mathematical programming approach is developed to optimize the hydrogen supply chain in Midi-Pyrénées, the largest region of France. The aim of this study is to use a Geographical Information System (GIS) as a new tool for multi-criteria decision making after multiobjective optimization step. To have a more precise snapshot of the results obtaine...
The design and development of sustainable food processes constitute a major challenge in acontext of transitions that encompass climate change, energy scarcity and energy price increase.A systemic approach combining process modeling, simulation, and optimization can be a soundway of coping with this issue. While the benefit of using computer-aided...
With the growing environmental concern, there is evidence that increasing symbiotic relationship between plants in the same industrial area, highly contributes to a more sustainable development of industrial activities. The concept of industrial ecology extended to the terms of eco-industrial park (or ecopark) or industrial symbioses is the topic o...
In recent years academics and industrials have shown an interest in agricultural systems and their complex and non-linear nature, aiming to improve production yield in the agricultural field. Innovative strategies and methodological frameworks are thus required to assist farmers in decision making for an efficient and effective resource management....
Several roadmaps and international projects are interested in the development of the hydrogen economy for the transportation system. Yet, the development of a hydrogen economy suffers from a lack of infrastructure to store and supply H2 fuel to the refuelling stations, while at the same time, hydrogen can be just seen as one alternative among other...
The main objective of this chapter is to present methods and tools to assess the performance of processes considering criteria of sustainable development that could be applied in the preliminary stages of their design. It explores the frontiers of the system to consider when to tackle the sustainable design of processes, the stages at which the dif...
This chapter focuses on the various methods and tools that can be used in process synthesis, going from preliminary projects to projects. Process design can be viewed as an interactive and multiple-step activity in which process flowsheeting has long been recognized as a valuable tool to aid decision making. Special emphasis is put on the coupling...
This chapter identifies some strategies and synergies that can be used to address the water and energy challenges. It begins with a brief overview of the current energy system situation and of the linkage between energy and water issues. The chapter considers several process systems engineering methodologies that have proved their efficiency to tac...
Over the past few decades, most enterprises, especially those in the Western world, have adopted a “project management” mode. This chapter first defines what a project is and then gives some insights into project management. It covers systems engineering and the industrialization process, i.e. the set of processes needed to convert research and dev...
The purpose of an industrial company is to make a profit by selling products and services to customers acting in different markets. The concept of product/market imposed itself as an important management tool at the end of the 20th Century. Company and process evaluation must be performed on a regular basis. Various tools are used. This chapter cov...
Manufacturing, i.e. operations of plants and facilities, is a key function of all industrial enterprises. Most of the industrial assets use a significant amount of energy and create waste; their impact on the environment has for a long time tarnished their image among the society in many countries. Industrial catastrophes (SEVESO, BHOPAL, AZF) have...
Globalization and competition from emerging countries has deeply shaken most industrial enterprises and forced them to adopt an “innovation” attitude to bring to markets new attractive and competitive products. Innovation differs from invention by the fact it brings profit to the company; it also creates value to the customer; but innovation is not...
The objective of this work is to propose an integrated and generic framework for eco- design that generalizes, automates and optimizes the evaluation of the environmental criteria at earlier design stage. The approach consists of three main stages. The first two steps correspond to process inventory analysis based on mass and energy balances and im...
Competition from emerging and developing countries, challenges related to energy and water, the continuing increase in the global population and the obligation to be sustainable are all impacting developed countries such as the United States, France, etc. Manufacturing has been almost totally neglected by these developed countries and thus there is...
The the agriculture sector in developing countries has a large production share in the global fresh fruit market. Yet, in many cases, the land production yield indices at the orchard level are lower than the values related to more technologically developed countries. This situation leads to economic losses due to poor performance in productivity, e...
Milk concentration and spray drying are highly energy-intensive operations, for which energy consumption accounts for about 25% of the French dairy processing industry. A major challenge consists then in the design and development of sustainable dairy concentration processes which integrate technical, economic and environmental criteria. For this p...
Optimization approaches for PV grid-connected system (PVGCS) have focused on optimizing the technical and economic performances. The main objective of this study is thus to propose an integrated framework that manages simultaneously technical, economic and environmental criteria. Life Cycle Assessment (LCA) is applied for the evaluation of environm...
The current environmental and social awareness leads optimization researchers to be more and more concerned with multi-objective optimization problems (MOOPs). Evolutionary methods and particularly genetic algorithms are commonly used in chemical engineering, where the problems generally involve complex models embedded in an outer optimization loop...
Optimization is a highly important area in chemical engineering, particularly for process design that is generally formulated as a mixed and non-linear problem with several competing objectives. A way to tackle the problem is to couple multiobjective optimization based on evolutionary algorithms with a process simulator. This situation may yet lead...
The well-known benchmark process for hydrodealkylation of toluene (HDA) to produce benzene is revisited in a multi-objective approach to identify environmentally friendly and cost-effective solutions. Some guidelines to develop an eco-design framework for chemical processes, involving multiple criteria to be satisfied simultaneously are proposed, b...
This work considers the potential future use of hydrogen in fuel cell electrical vehicles to face problems such as global warming, air pollution, energy security and competitiveness. The lack of current infrastructure has been identified as one of the main barriers to develop the hydrogen economy. This work is focused on the design of a hydrogen su...
The well-known benchmark process for hydrodealkylation of toluene (HDA) to produce benzene is revisited in a multi-objective approach for identifying environmentally friendly and cost-effective operation solutions. The paper begins with the presentation of the numerical tools used in this work, i.e., a multi-objective genetic algorithm and a Multip...
This study performs a quantitative description of the copper life cycle at the scale of France from 2000 to 2009 with special focus on waste streams. The approach is based on substance flow analysis and includes data reconciliation. The model takes into account the relationships between economic system, resource consumption, product manufacturing,...
A copper scrap management model at a country level is proposed, taking into account every collected copper scrap stream, with its associated environmental impact and cost. The method is applied on the treatment of printed wiring boards (PWB) in France. Considering the initial physical properties and composition of this scrap, seven flowsheets are c...