Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 427666
Title Development of a novel energy-efficient adsorption dryer with zeolite for food product
Author(s) Djaeni, M.; Boxtel, A.J.B. van
Event 2nd International Symposium on Processing and Drying of Foods, Vegetables and Fruits (ISPDFVF 2012) University of Nottingham, Malaysia Campus, 2012-06-18/2012-06-19
Department(s) Systems and Control Group
Biomass Refinery and Process Dynamics
Publication type Contribution in proceedings
Publication year 2012
Abstract Abstract: The demand of high quality dry products closing to the fresh condition increases significantly. Current drying technology have shown the significant improvement on product quality, but the breakthrough respecting to energy efficiency is scarce. Air dehumidification with adsorbent such as zeolite is a potential option to enhance the drying effectiveness. With this method, the air as drying medium is contacted with zeolite. Hence, the vapor in air is drastically reduced up to 0.1 ppm or dew point -50oC. Meanwhile the air temperature increases at the same time due to the release of adsorption heat. As a result, the dryer inlet air contains more sensible heat for drying which improves the driving force for drying as well as total energy efficiency. This paper discusses the application of adsorption dryer with zeolite for drying carrageenan and corn. The results showed the positive improvement for product quality as well as shorter drying time. However, the comprehensive feasibility study is still required before commercial application.
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