Equilibrium moisture and drying kinetics modelling of macroalgae species Ulva ohnoi and Oedogonium intermedium

Walker, Craig, Cole, Andrew, Antunes, Elsa, and Sheehan, Madoc (2020) Equilibrium moisture and drying kinetics modelling of macroalgae species Ulva ohnoi and Oedogonium intermedium. Clean Technologies, 2 (2). pp. 225-239.

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Abstract

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.

Item ID: 65458
Item Type: Article (Research - C1)
ISSN: 2571-8797
Keywords: macroalgae; drying rates; equilibrium moisture; diffusion modelling
Copyright Information: ©2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution(CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Date Deposited: 07 Jan 2021 23:37
FoR Codes: 40 ENGINEERING > 4004 Chemical engineering > 400499 Chemical engineering not elsewhere classified @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970109 Expanding Knowledge in Engineering @ 100%
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