Nanotechnology-Based Nano-Biosorbents

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Author(s): Mintu Maan Dutta (Gauhati University, India)and Anushmita Charingia (North Eastern Hill University, India)
Copyright: 2020
Pages: 23
Source title: Handbook of Research on Emerging Developments and Environmental Impacts of Ecological Chemistry
Source Author(s)/Editor(s): Gheorghe Duca (Institute of Chemistry, Moldova State University, Moldova & Academy of Science of Moldova and Romanian Academy, Romania.)and Ashok Vaseashta (International Clean Water Institute, USA & New Jersey City University, USA & Academy of Sciences of Moldova, Moldova)
DOI: 10.4018/978-1-7998-1241-8.ch018

Keywords: Chemical Engineering / Environmental Science and Technologies / Information Science Reference / Science & Engineering

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Abstract

Most countries worldwide face the problem related to clean and safe water. The major source of contamination of water bodies includes the discharges of wastes from various domestic and industrial sources (heavy metal ions, dyes, and pharmaceuticals). To overcome those problems, various water purification methods such as coagulation, flocculation, adsorption, membrane separation, biological, and electrochemical methods have been engaged. Adsorption using nano-biosorbents based on chitin, chitosan and modified chitosan, cellulose, alginate, micro algal has emerged as a better alternative for the removal of contaminants from drinking and wastewater treatment. The main advantages of these nano-biosorbents include its biodegradability and eco-friendliness, which have attracted researchers to this field.

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