Recent advances of novel thermal combined hot air drying of agricultural crops

Onwude, Daniel I. and Hashim, Norhashila and Chen, Guangnan (2016) Recent advances of novel thermal combined hot air drying of agricultural crops. Trends in Food Science & Technology, 57 (A). pp. 132-145. ISSN 0968-0020


Background: Developing an efficient drying system with combined novel thermal and conventional hotair drying of agricultural crops has become potentially a viable substitute for conventional drying techniques. Due to the synergistic effect, the total energy and time required can be drastically reduced, and the final quality of agricultural crops preserved. The growing interest and research in recent years have already shown that novel thermal with hot-air drying technology can adequately be used in the drying of agricultural crops.

Scope and approach: This review attempts to give a summary of recent advances in the research and applications of novel thermal combined hot-air drying technology for agricultural crops, with particular emphasis on the combination mode, process conditions, process-quality interaction, drying kinetics, energy demand and drying efficiency.

Key findings and conclusions: The combination of novel thermal with hot-air drying provides distinctive
opportunities in the development of advanced agricultural crop drying technologies. The most significant
advantages of using the above method were the reduction in the drying time and energy consumption as well as, an increase in the drying rate and overall efficiency. More so, the application of infrared and hotair drying on agricultural crops is advantageous in obtaining dried products of better quality. In conclusion, the findings suggest that these technologies have great potentials. Therefore, more studies, especially in their industrial and commercial application are indispensable.

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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Third prize winner for the USQ Publication Excellence Awards for Journal Articles published during the period September - December 2016. Permanent restricted access to Published version in accordance with the copyright policy of the publisher.
Faculty / Department / School: Current - Faculty of Health, Engineering and Sciences - School of Civil Engineering and Surveying
Date Deposited: 12 Jan 2017 06:02
Last Modified: 10 Nov 2017 04:37
Uncontrolled Keywords: novel thermal technology; hybrid technology; hurdle technology; hot air assisted drying; advanced drying techniques; drying kinetics
Fields of Research : 07 Agricultural and Veterinary Sciences > 0703 Crop and Pasture Production > 070307 Crop and Pasture Post Harvest Technologies (incl. Transportation and Storage)
Socio-Economic Objective: B Economic Development > 82 Plant Production and Plant Primary Products > 8206 Harvesting and Packing of Plant Products > 820605 Unprocessed Grains
Identification Number or DOI: 10.1016/j.tifs.2016.09.012

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