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Simulation of water absorption kinetics and determination of water diffusion coefficient of bandjoun wine coconut pulp in Cameroon

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Document pages: 12 pages

Abstract: This paper mainly studied the water absorption of coconut pulp along the stem. The water absorption kinetics was experimentally studied by gravimetric method with discontinuous control of sampling quality at 30 ° C   mm × 8   mm × 4   collect mm from 12 sampling areas of wine coconut stem. The results showed that the water absorption of coconut pulp increased from the periphery to the center in the radial position and from the base to the leaves in the longitudinal position. Fick s second law is used to study the diffusion of water. 11 models were tested for water absorption dynamics modeling, and sikame tagne (2014) model is the best model model. The diffusion coefficients of two stages were determined by the solution of the Fick equation in the twelve sampling zones described by Sikame Tagne et al. (2014). The diffusion coefficients decreased from the center to the periphery in the radial position and from the base to the leaves in the longitudinal position.

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