Adaptation of the multi-purpose solar tunnel dryer for mango and cashew apple
2001
Lagunda, R. | Rapusas, R. | Dela Cruz, R. | Verena, R. | Coloma, A. | Daquila, R. | Lanuza, F. (Bureau of Post Harvest Research and Extension (Philippines))
This study aimed to determine the adaptability of the multi-purpose solar tunnel dryer (MPSTD) to the farmer-cooperative level of operation in efficiently drying perishable crops. Results showed that the traditional sundrying method incurred the longest drying time of 30 hr to effectively reduce the moisture content level of the mango. On the other hand, solar tunnel and mechanical dryer had a total drying time of 19 hr and 18 hr, respectively. The drying capacity of the solar tunnel (162 kg) was higher than mechanical dryer (120 kg) which meant that more mangoes can be effectively dried using this technology. The solar tunnel dryer had reduced the total drying time by 57.9%, compared to the traditional sundrying method. This significant reduction of the total drying time using the solar tunnel dryer indicated that the said dryer improved the traditional sundrying operation. There was no significant difference between the observed quality of mangoes dried in the three drying systems. It was also concluded that MPSTD is economically viable, ultimately increasing the income of the technology adopters
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