Journal
ENVIRONMENTAL TECHNOLOGY & INNOVATION
Volume 17, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.eti.2019.100503
Keywords
Heavy metals; Biosorption; Biosorption conditions; Biosorption mechanism; Functional groups; Adsorption isotherm
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Common methods for removing heavy metals have numerous drawbacks, including low efficiency and high costs. In the biosorption of heavy metals, ions biosorbed on surfaces and active sites of biosorbents. In this paper, the relationship between the factors (pH, temperature, biosorbent dosage, retention time and Functional groups) and removal efficiency has been investigated. The purpose of this work is to introduce optimal conditions for biosorption reaction. Also, by introducing various types of biosorbents, expressed the advantages and method of preparation for each one. In various papers, not all biosorption isotherm models have been mentioned, there are described various types of biosorption isotherm, kinetics and thermodynamics models and important process data is set up for quick access to the tables. (C) 2019 Elsevier B.V. All rights reserved.
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