ShareA review of energy-efficient technologies and decarbonating solutions for process heat in the food industry.
Author(s) : FARALDO F., BYRNE P.
Type of article: Periodical article, Review
Summary
Heat is involved in many processes in the food industry: drying, dissolving, centrifugation, extraction, cleaning, washing, and cooling. Heat generation encompasses nearly all processes. This review first presents two representative case studies in order to identify which processes rely on the major energy consumption and greenhouse gas (GHG) emissions. Energy-saving and decarbonating potential solutions are explored through a thorough review of technologies employed in refrigeration, heat generation, waste heat recovery, and thermal energy storage. Information from industrial plants is collected to show their performance under real conditions. The replacement of high-GWP (global warming potential) refrigerants by natural fluids in the refrigeration sector acts to lower GHG emissions. Being the greatest consumers, the heat generation technologies are compared using the levelized cost of heat (LCOH). This analysis shows that absorption heat transformers and high-temperature heat pumps are the most interesting technologies from the economic and decarbonation points of view, while waste heat recovery technologies present the shortest payback periods. In all sectors, energy efficiency improvements on components, storage technologies, polygeneration systems, the concept of smart industry, and the penetration of renewable energy sources appear as valuable pathways.
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Pages: 46 p.
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Details
- Original title: A review of energy-efficient technologies and decarbonating solutions for process heat in the food industry.
- Record ID : 30033293
- Languages: English
- Subject: Technology
- Source: Energies - vol. 17 - n. 12
- Publishers: MDPI
- Publication date: 2024/06
- DOI: http://dx.doi.org/https://doi.org/10.3390/en17123051
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Indexing
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Themes:
Energy efficiency, energy savings;
Cogeneration (CHP), trigeneration;
Heat pumps techniques;
Thermal energy storage;
Milk and dairy products;
Vegetables - Keywords: Dairy product; Frozen food; Potato; Review; Refrigeration; Thermodynamic cycle; Cogeneration; Waste heat; Heat recovery; Thermal energy storage; Food industry
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