期刊
CLEAN TECHNOLOGIES
卷 2, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/cleantechnol2020015
关键词
macroalgae; drying rates; equilibrium moisture; diffusion modelling
Algae-based products have applications in the food and pharmaceutical industries, bioremediation of waste streams and biofuel production. Drying has been recognised to constitute the largest energy cost in algae processing, yet there is limited data or modelling characterising the drying kinetics of macroalgae. This research modelled the equilibrium moisture content of two macroalgae species, Ulva ohnoi, a saltwater alga and Oedogonium intermedium, a freshwater alga. The Guggenheim-Anderson-de Boer model was found to best represent experimental equilibrium moisture contents. Drying rate curves obtained under both convective and radiative conditions were fitted to an analytical solution of Fick's second law, including the modelled equilibrium moisture values. Effective diffusivity values for the two species are presented.
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