Evolution of Solar Drying Technology—A Mini-Review

IF 1.204 Q3 Energy Applied Solar Energy Pub Date : 2023-12-01 DOI:10.3103/s0003701x23600583
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Abstract

The increasing food demand, decreasing fossil fuels, expanding population and degrading environment are the drivers leading towards development in sustainable processing and storage of agricultural products. The lack of agro production and the wastage in post-processing has pulled the eyes towards sustainable storage solutions. Drying is an ancient process used to remove moisture from the harvested products. Several researchers have performed various experiments to intervene in new technology in the field of drying. The aims are to review the recent development occurring in drying technology. Waste energy recovery system coupled with solar dryer shows very good potential, while its application is more complex than solar drying. Hybrid system focuses on reducing the time of drying. The secondary source of heat was either an LPG heater or an electric heater, but its availability around various regions is still a challenge. Phase change material in solar drying technology can provide a desirable solution to post-harvesting problems. Currently the use of solar thermal energy into industrial drying processes is just to improve efficiency, reduce energy consumption, and lessen environmental impact. Economic aspects of the solar drying technology is very important for implementation of the systems. This article will help the policymaker and the researchers to make framework for energy policies in future.

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太阳能干燥技术的发展--小型回顾
摘要 日益增长的粮食需求、日益减少的化石燃料、不断扩大的人口和日益恶化的环境是推动农产品可持续加工和储存发展的驱动力。农产品生产的匮乏和后处理过程中的浪费将人们的目光引向了可持续的储存解决方案。干燥是一种古老的工艺,用于去除收获产品中的水分。一些研究人员已经进行了各种实验,对干燥领域的新技术进行了干预。本文旨在回顾干燥技术的最新发展。废物能源回收系统与太阳能干燥机的结合显示出很好的潜力,但其应用比太阳能干燥更为复杂。混合系统的重点是缩短干燥时间。辅助热源要么是液化石油气加热器,要么是电加热器,但在不同地区的可用性仍是一个挑战。太阳能干燥技术中的相变材料可以为收获后的问题提供理想的解决方案。目前,在工业干燥过程中使用太阳能只是为了提高效率、降低能耗和减少对环境的影响。太阳能干燥技术的经济性对系统的实施非常重要。本文将有助于政策制定者和研究人员为未来的能源政策制定框架。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Applied Solar Energy
Applied Solar Energy Energy-Renewable Energy, Sustainability and the Environment
CiteScore
2.50
自引率
0.00%
发文量
0
期刊介绍: Applied Solar Energy  is an international peer reviewed journal covers various topics of research and development studies on solar energy conversion and use: photovoltaics, thermophotovoltaics, water heaters, passive solar heating systems, drying of agricultural production, water desalination, solar radiation condensers, operation of Big Solar Oven, combined use of solar energy and traditional energy sources, new semiconductors for solar cells and thermophotovoltaic system photocells, engines for autonomous solar stations.
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