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WIREs Energy Environ.
Impact Factor: 3.297

Application of an advanced pinch methodology for the food and drink production

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Two key steps in reducing the energy demand of a production site are (1) technological optimization via efficient technologies increasing process efficiency and (2) system optimization via heat integration of the total production site. Heat integration solutions will be influenced by the implemented process technologies, so the evaluation of the existing technologies and analysis of potential changes is a vital basis in energy demand reduction. This article presents the new pinch analysis tool ‘SOCO’ for systematic heat integration with intelligent storage systems which can reduce thermal energy consumption and improve the design of solar process heat integration in the food industry, specifically in breweries. The application to two brewery case studies reveals the usability of the new approach for designing new heat recovery concepts and the implications of technology changes in the energy demand profile. The simulation module of SOCO identifies that the use of modern state‐of‐the‐art technologies in brewing can enhance heat integration potential by 10–35% for different processes and allows the evaluation of storage design. WIREs Energy Environ 2014, 3:561–574. doi: 10.1002/wene.117 This article is categorized under: Energy Efficiency > Science and Materials Energy Systems Economics > Science and Materials Energy Systems Economics > Systems and Infrastructure
Algorithmic steps of the heat integration proposal.
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Temperature profile in the storages of Brewery 1 (left) and Brewery 2 and loading the storage with vapor condensation.
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Transferred energy as a function of storage size.
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Scheme of the heat exchanger network proposed by SOCO.
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Hot and cold composite curves based on time averaged data of brewery case study 2.
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Hot and cold composite curves based on time averaged data of brewery case study 1.
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Energy demand variability for the conventional (Brewery 1) and optimized (Brewery 2) production.
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Presentation of heat exchange performance results in SOCO (example).
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Presentation of one proposed heat exchanger in SOCO (example).
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Energy Efficiency > Science and Materials
Energy Systems Economics > Science and Materials
Energy Systems Economics > Systems and Infrastructure

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