The Applicability of Eggshell Waste as a Sustainable Biosorbent Medium in Wastewater Treatment – A Review
P. Musonge, C. Harripersadth
The exemplary properties of eggshell waste have gained a lot of attention due to its chemical composition and bio-degradable features making it a suitable choice to be used in wastewater treatment. The use of biosorption as an alternate treatment technology to conventional processes such as chemical precipitation and ion exchange is seen as a promising solution to the many drawbacks experienced by conventional processes. Furthermore, due to higher imposed environmental legislations, eco-friendly and low-cost considerations have set the momentum in the search for biosorbents of this nature. With the circular economy being the focal point of industrial operations, eggshell waste is a highly promising biosorbent due to its non-toxicity properties and its ability to be converted from a waste material to a valuable product. In this review paper, fundamental aspects of biosorption will be discussed where the main focus will lie in qualitatively examining the properties of eggshell waste, binding mechanisms, kinetics and isotherm modelling that make it an attractive option to be used in the biosorptive process. Finally, a summary of the important considerations for future research work in this field is presented.
Water Treatment, Bio-Materials, Eggshell Waste, Sustainability, Circular Economy
Published online 12/15/2020, 33 pages
Citation: P. Musonge, C. Harripersadth, The Applicability of Eggshell Waste as a Sustainable Biosorbent Medium in Wastewater Treatment – A Review, Materials Research Foundations, Vol. 91, pp 171-203, 2021
Part of the book on Advances in Wastewater Treatment I
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