ISHS Acta Horticulturae 344: International Symposium on Medicinal and Aromatic Plants
DRYING OF MEDICINAL PLANTS IN A PLASTIC-HOUSE TYPE SOLAR DRYER |
| Authors: | J. MÜLLER, T. CONRAD, M. TEŠIC, J. SABO |
| Keywords: | Solar energy, medicinal plants, drying, economics, unit costs of solar drying |
| Abstract:
A solar heated dryer in modular design has been developed at the Institute for Agricultural Engineering in the Tropics and Subtropics of Hohenheim University. The roof of a standard plastic film covered greenhouse is used as solar air heater area. A batch dryer has been installed inside the greenhouse. Different medicinal plants have been dried in a high quality with this type of dryer. A comparative economic evaluation showed, that the plastic-house type solar, dryer is economically more efficient than the conventional drying system, as soon as supplementary heating is used. | |
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