Abstract
In this study, drying of boric acid (H 3BO 3) by microwave energy is investigated. Using 100–700 W and 2450 MHz microwave energy, boric acid containing 5–10% moisture placed on a teflon lined belt is dried at 60–100°C selectively, without any loss of structural water. In this process, the microwave oven is first set to 35°C, following which wet boric acid having been previously heated to 35°C is placed inside. The sample first heats to 100°C by the effect of microwave energy, after which its temperature sharply drops, resulting complete removal of moisture. This process does not lead to decomposition and disintegration of crystaline molecules and there are no contaminants involved.
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