Chitin Adsorbents for Toxic Metals: A Review

International Journal of Molecular Sciences

Amit Bhatnagar¹  Dimitrios N. Bikiaris²  George Z. Kyzas³  Ioannis Anastopoulos⁴ 

[1] Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland;Division of Chemical Technology, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece;Hephaestus Advanced Laboratory, Eastern Macedonia and Thrace Institute of Technology, GR-65404 Kavala, Greece;Laboratory of Soils and Agricultural Chemistry, Department of Natural Resources and Agricultural Engineering, Agricultural University of Athens, GR-118 55 Athens, Greece;

关键词: chitins;    adsorption;    heavy metals;    isotherms;    thermodynamics;   

DOI  :  10.3390/ijms18010114

来源: DOAJ

【 摘 要 】

Wastewater treatment is still a critical issue all over the world. Among examined methods for the decontamination of wastewaters, adsorption is a promising, cheap, environmentally friendly and efficient procedure. There are various types of adsorbents that have been used to remove different pollutants such as agricultural waste, compost, nanomaterials, algae, etc., Chitin (poly-β-(1,4)-N-acetyl-d-glucosamine) is the second most abundant natural biopolymer and it has attracted scientific attention as an inexpensive adsorbent for toxic metals. This review article provides information about the use of chitin as an adsorbent. A list of chitin adsorbents with maximum adsorption capacity and the best isotherm and kinetic fitting models are provided. Moreover, thermodynamic studies, regeneration studies, the mechanism of adsorption and the experimental conditions are also discussed in depth.

【 授权许可】

Unknown