Authors: Law, Chung Lim¹; Waje, Sunil Shivram²; Thorat, Bhaskar Narayan²; Mujumdar, Arun Sadashiv³

Source: Stewart Postharvest Review, Volume 4, Number 1, February 2008 , pp. 1-23(23)

Publisher: Stewart Postharvest Solutions

Abstract:

Purpose of review: This review reports on the latest advances and recent developments in thermal drying technologies of various bioorigin and agricultural products. Future trends and research and development (R&D) needs in various areas related to thermal drying in postharvest operations are also highlighted.

Findings: This paper reviews recent advances and developments in thermal drying technologies from different angles, namely drying strategy, drying medium, method of handling and mode of heat input. Various drying technologies are discussed in this paper, which the authors regard as future technologies as they are relatively new and more research efforts are needed to make them industrially viable.

Directions for future research: Some suggestions are made regarding future R&D directions

Keywords: INTERMITTENT DRYING; SUPERHEATED STEAM DRYING; HEAT PUMP DRYING; AGITATED FLUIDISED BED DRYING; SPRAY DRYING; FREEZE; DRYING; MICROWAVE VACUUM DRYING; SOLAR DRYING

Document Type: Research article

DOI: http://dx.doi.org/10.2212/spr.2008.1.1

Affiliations: 1: School of Chemical and Environmantal Engineering, University of Nottingham, Malaysia Camputs, Selangor, Malaysia 2: Chemical Engineering Department, Institute of Chemical Technology, University of Mumbai, Mumbai, India 3: Department of Mechanical Engineering, National University of Singapore, Singapore

Publication date: 2008-02-01

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