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A tubular microwave sterilisation or pasteurisation process for pumpable foods
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik.ORCID iD: 0000-0001-6729-5710
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik.ORCID iD: 0000-0002-2149-4586
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik.ORCID iD: 0000-0001-7150-9099
2013 (English)In: 14th International Conference on Microwave and High Frequency Heating, AMPERE 2013, Edinburgh University Press , 2013, p. 80-83Conference paper, Published paper (Refereed)
Abstract [en]

A pilot-scale process for continuous in-flow microwave heating of pumpable foods was designed, built and evaluated for heat treatment of high-concentrated particulate foods at temperatures up to 135°C and at the microwave frequency 2450 MHz. In this work, the temperature uniformity of a particulate model soup after microwave heating is evaluated for selected goal temperatures and holding times, and the heating up time to goal temperature is investigated. Furthermore, choice of radial dimensions of the tube is discussed, as well as strategies for achieving an improved microwave heating uniformity of the product, based on calculated radial temperature profile and electromagnetic field distribution.

Place, publisher, year, edition, pages
Edinburgh University Press , 2013. p. 80-83
Keywords [en]
Continuous process, Microwave in-flow heating, Pasteurisation, Pumpable foods, Sterilization, Tubular heating, Electromagnetic fields, Heating, Microwave heating, Microwaves, Pasteurization, Sterilization (cleaning), Thermal processing (foods), Electromagnetic field distribution, Holding time, Particulate foods, Pilot scale, Radial temperature profile, Temperature uniformity, Microwave tubes
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:ri:diva-47618Scopus ID: 2-s2.0-85013845682OAI: oai:DiVA.org:ri-47618DiVA, id: diva2:1462900
Conference
14th International Conference on Microwave and High Frequency Heating, AMPERE 2013, 17 September 2013 through 19 September 2013
Available from: 2020-09-01 Created: 2020-09-01 Last updated: 2023-06-08Bibliographically approved

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Raaholt, BirgittaIsaksson, SvenHamberg, Lars

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