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Integration of high-temperature heat pumps in Swiss industrial processes (HTHP-CH).

Number: 0476

Author(s) : ARPAGAUS C., BLESS F., BERTSCH S., KRUMMENACHER P., FLOREZ-ORREGO D. A., PINA E. A., MARÉCHAL A., DARBELLAY N. C., ROGNON F., VESIN S., ACHERMANN P., JANSEN C.

Summary

High-temperature heat pumps (HTHP) with supply temperatures above 100 °C are becoming increasingly important for the electrification and decarbonization of industry. However, their adoption is slow because there is still a lack of knowledge about their capabilities, design, control, and optimal integration, resulting in few practical implementation examples. This study investigates the technical and economic feasibility of HTHP integration based on case studies from the Swiss industry. ELSA (Estavayer Lait SA), Cremo SA, and Gustav Spiess AG support the research and provide access to industrial process data. ELSA, Switzerland’s largest industrial dairy on a single site, is interested in a HTHP supplying steam for cleaning-in-place processes. Cremo SA manufactures dairy products and sees opportunities to integrate a HTHP in a milk permeate drying plant that consumes a large amount of 3 bar steam. Gustav Spiess AG produces meat products and sees potential for integrating a HTHP into sausage cooking processes for steam generation at about 115 °C. In addition, other Swiss industrial companies in the food, biotech, and chemical sectors also show interest in HTHPs for applications such as distillation, sterilization, drying, and steam generation. This study presents suitable HTHP integration concepts based on case studies with quantified efficiency gains, energy savings, CO2 reduction, and cost-efficiency results. It also includes an up-to-date review of HTHP suppliers derived from participation in the IEA HPT Annex 58 that shares results and knowledge with international experts on HTHPs.

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Pages: 14 p.

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  • Original title: Integration of high-temperature heat pumps in Swiss industrial processes (HTHP-CH).
  • Record ID : 30031192
  • Languages: English
  • Subject: Technology
  • Source: 14th IEA Heat Pump Conference 2023, Chicago, Illinois.
  • Publication date: 2023/05/15

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