Journal
BIOSYSTEMS ENGINEERING
Volume 125, Issue -, Pages 24-35Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.biosystemseng.2014.06.017
Keywords
Microwave prototype; Extra virgin olive oil extraction plant; Malaxer machine; Specific heat; Image analysis; Textural property
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An industrial prototype continuous microwave-assisted system (MWS) to condition olive paste was specified, built and implemented as an industrial process. The developed system was tested to assess its performance during implementation in an industrial olive oil extraction plant. The extraction efficiency of the olive oil plant was investigated for different operating conditions of the MWS and compared with conventional methods to condition the olive paste. The results indicate that exposing the olive paste to microwaves determines the thermal and non-thermal effects that influence the coalescence phenomena and the extraction efficiency. The experiments showed the feasibility of the continuous microwave-assisted prototype and great the potential to become an alternative technique to effectively condition olive paste. The MWS removes the limitations of the batch malaxation process and produces an olive oil extraction process that is truly continuous. (C) 2014 IAgrE. Published by Elsevier Ltd. All rights reserved.
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