![]() The curves produced by the solar energy dryer operating at drying temperatures ranged from 42oC to 54,5oC for both empty fruit bunches and stem were quadratic whereas the curves produced by the oven having temperature of 105 oC for stem and fiber were linear and quadratic respectively. The results of the experiments revealed as follows. Three series of experiments were carried out according to the types of materials. ![]() ![]() The objectives of this research were to determine the drying curves and to predict the drying times of palm oil empty fruit bunches, stem and fiber dried from solar dying and oven drying. On the other, in practice, the moisture content of material is expressed in wet basis. The most common drying model in formulated in the form of moisture ratio in function of drying time in which the moisture content is calculated in dry basis. Prediction is usually approached by setting up drying model of the material. It is advantageous if the dryng time to produce a dry material can be predicted. In the production line this material needs to dry into certain level of moisture content, mostly about 10% (wet basis) and commonly called as dry material. Biomassa originated from palm oil plant is potential to be processed into various industrial products.
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