Energy integration of industrial sites with heat exchange restrictions

Becker, Helen; Maréchal, François

doi:10.1016/j.compchemeng.2011.09.014

Cited by 41 publications

(18 citation statements)

References 16 publications

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“…For each independent period, the energy integration is as well performed. Thus, both equations (6) and (7) are as well submitted to the constraints of the heat cascade without (Linnhoff et al (1982)) or with heat exchanges restrictions (Becker and Maréchal (2012)), depending on the problem to be solved.…”

Section: Milp Formulation For System Synthesismentioning

confidence: 99%

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A systematic methodology for the environomic design and synthesis of energy systems combining process integration, Life Cycle Assessment and industrial ecology

Gerber

Fazlollahi

Maréchal

2013

Computers & Chemical Engineering

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This paper presents a systematic methodology for sustainable process systems design, combining the principles of industrial ecology, process design and process integration, Life Cycle Assessment (LCA) and multi-objective optimization (MOO). The superstructure considers an extended decision perimeter and embeds models based either on flowsheeting software or average market technologies, for which energy and material flows are extracted from the Life Cycle Inventory (LCI) database. Therefore, the overall supply chain can be synthesized within a given action system and the systematic recyclings identified. The methodology can be used to design eco-industrial parks or urban systems, to identify the best conversion pathways of resources or waste, or to fix the optimal value of environmental taxes. It is illustrated by an application to the environomic design of an urban energy system. This case study considers multiple energy services to be supplied and waste to be treated, with their seasonal variations, indigenous and imported resources, as well as different candidate conversion technologies. Results demonstrate that integrating an environmental objective in the design procedure leads to consider different system configurations than if only economic aspects are considered. The problematic of the optimal value of a CO 2 tax is as well addressed. e i emission factor of substance i from the flash system condensers, in kg-i/kg-geofluid e CO2,N GCC specific CO2 emissions of electricity production from NGCC, in kg CO2-eq/kWh e e CO2,N GCC specific CO2 emissions of heating production from natural gas boiler, in kg CO2-eq/kWh t h E CO2,av yearly avoided life-cycle CO2-equivalent emissions, in kg CO2-eq/yr I C impact due to the construction phase I E impact due to the end-of-life phase Nomenclaturė

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Section: Milp Formulation For System Synthesismentioning

confidence: 99%

“…It is used as a constraint for the heat supply from the different technologies, avoiding the direct exchanges with the heat demand from the users. The methodology from Becker and Maréchal (2012) for the heat exchanges with restriction is applied for this.…”

Section: District Heating Networkmentioning

confidence: 99%

A systematic methodology for the environomic design and synthesis of energy systems combining process integration, Life Cycle Assessment and industrial ecology

Gerber

Fazlollahi

Maréchal

2013

Computers & Chemical Engineering

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“…Furthermore, when using multiple inter-annual time steps, utility units have to be integrated in every time step, in such a way that annual costs are minimised [31]. In case some process streams are excluded from direct heat exchange, intermediate heat transfer units can be introduced [32]. Up to this moment, OSMOSE does not include the design and optimisation of a heat exchanger network.…”

Section: Osmosementioning

confidence: 99%

“…Up to this moment, OSMOSE does not include the design and optimisation of a heat exchanger network. The methodology used by OSMOSE can be applied for the optimisation of one or more processes in an industrial plant or for the preliminary design of thermal energy networks between industrial processes at industrial sites or clusters [32,33]. Other applications are the optimisation of the layout and the energy supply system of district energy systems [34], and the design of energy conversion systems in urban areas [35].…”

Section: Osmosementioning

confidence: 99%

Towards low carbon business park energy systems: Classification of techno-economic energy models

Timmerman

Vandevelde

Eetvelde

2014

Energy

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To mitigate climate destabilisation, human-induced greenhouse gas emissions urgently need to be curbed. A major share of these emissions originates from the industry and energy sectors. Hence, a low carbon shift in industrial and business park energy systems is called for. Low carbon business parks minimise energy-related carbon dioxide emissions by maximal exploitation of local renewable energy production, enhanced energy efficiency, and inter-firm heat exchange, combined in a collective energy system. The holistic approach of techno-economic energy models facilitates the design of such systems, while yielding an optimal trade-off between energetic, economic and environmental performances. However, no models custom-tailored for industrial park energy systems are detected in literature. In this paper, existing energy model classifications are scanned for adequate model characteristics and accordingly, a confined number of models are selected and described. Subsequently, a practical typology is proposed, existing of energy system evolution, optimisation, simulation, accounting and integration models, and key model features are compared. Finally, important features for a business park energy model are identified. IntroductionFossil fuel based energy generation in the manufacturing industry and the sector's consumption of externally produced electricity and heat, are responsible for about 25% of total greenhouse gas emissions on European level [1]. Therefore, a low carbon shift in the energy system of industrial parks must be initiated. Low carbon business parks envision a collective energy system that employs energy efficient technologies, maximises the integration of local renewable energy sources and enables heat exchange between companies [2]. Technoeconomic energy models provide a holistic approach towards the configuration and operation of such systems, and facilitate the optimal trade-off between energetic, economic and environmental performances. To our knowledge, there is no energy model available that has been custom tailored for industrial parks and therefore, the development of such a model by adapting an existing model or by developing a new one is of high priority.Starting from the viewpoint of low carbon business park energy systems, this paper attempts to unravel the plethora of energy models, proposes a pragmatic model categorisation and identifies key model features. Section 2 describes the configuration of a business park energy system and its components and assesses the need for a holistic modelling approach. In section 3, several existing classifications of techno-economic energy models are screened for appropriate model features and based thereon a new classification is proposed. Its model categories are presented and exemplified throughout sections 4 to 9. Section 10 provides a clear comparison between these model types per key characteristic. In section 11, features for efficiently modelling business park energy systems are distilled. Finally, section 13 provides a summary.

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“…f u,p represent the decision variables of the MILP slave subproblem, and x d the ones of the master problem. This is submitted to the constraints of the heat cascade with heat exchange restrictions (Becker and Maréchal (2011)), necessary since the heat demand is satisfied via the district heating network, and to the constraints of mass balance in the mass exchange superstructure (Gerber et al (2011b)). …”

Section: Mobilitymentioning

confidence: 99%

Environomic optimal design and synthesis of energy conversion systems in urban areas

Gerber

Fazlollahi

Maréchal

2012

Computer Aided Chemical Engineering

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The integration of environmental impacts in the conceptual design of energy systems can be achieved by combining Life Cycle Assessment (LCA) with process integration techniques. The use and the disaggregation of life cycle inventory (LCI) databases allows for extending the systematic generation of resources to services conversion chains and for including the environmental impacts in the process design procedure. This paper presents how to systematically generate the superstructure of the energy conversion system, how to solve the urban energy system design using a multi-period multi-objective optimization and how the environmental objectives can be integrated in the process design procedure.

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Energy integration of industrial sites with heat exchange restrictions

Cited by 41 publications

References 16 publications

A systematic methodology for the environomic design and synthesis of energy systems combining process integration, Life Cycle Assessment and industrial ecology

A systematic methodology for the environomic design and synthesis of energy systems combining process integration, Life Cycle Assessment and industrial ecology

Towards low carbon business park energy systems: Classification of techno-economic energy models

Environomic optimal design and synthesis of energy conversion systems in urban areas

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