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Aquananotechnology
2021, 249-272

Bionanocomposites for wastewater treatment

Tariqul Islama,b, Imran Alia,c, Iffat Nazd,e, Changsheng Penga,f, Zahid M. Khang, Muhammad Ahsan Amjeda

The Key Lab of Marine Environmental Science and Ecology, Ministry of Education, College of Environmental Science and Engineering, Ocean University of China, Qingdao, China.

Abstract

Recently, the pollution of water by different organic and/or inorganic pollutants has been rising due to anthropogenic activities and industrialization. The treatment of the resulting wastewater has become a major challenge. Regarding this, the application of nanosized materials in this field has gained popularity due to their unique properties, such as higher surface area, chemical reactivity, regeneration efficiency, and low cost. However, conventional techniques to synthesize nanocomposites still require toxic chemicals that can create secondary pollution. Thus biogenic fabrication of nanocomposites is being adopted by a number of researchers, with many reporting on the synthesis of bionanocomposites (BNCs) using different plant parts (e.g., leaves, roots, shoots) and organisms such as algae, bacteria, yeast, etc. These entities contain various compounds (such as proteins, polymers, alkaloids, flavonoids, etc.) that efficiently serve as reduction, capping, and stabilizing agents in the synthesis of BNCs. This chapter explains the present significance of BNCs and their applications in the field of wastewater treatment, including challenges and future aspects.

Keywords: Bionanocomposites, Biogenic, Synthesis, Application, Wastewater treatment.

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