Chitosan Based Nanocomposites as Efficient Adsorbents for Water Treatment

  • Nafees Ahmad
  • Saima Sultana
  • Mohammad Zain Khan
  • Suhail Sabir


Excessive growth and rapid development put a huge burden on the environment and the large fraction of water bodies getting polluted through industries. Though one third part of the earth contain water, but still there is a crises of water for drinking and other purposes. These water contaminants, contain many harmful and toxic metals, dyes, drugs, pesticides etc. Polluted water can be treated by numerous methods to make it fit for the drinking purpose. Chitosan being the most abundant biodegradable and cationic polymer can be effectively used for the treatment of wastewater for the removal of toxic and hazardous contaminants, heavy metals and other impurities present in water. Chitosan with characteristic functional groups such as amino and hydroxyl group can also be useful for the treatment of water as an adsorbent. Chitosan being the environmental friendly, cost effective and non toxic in nature is also applied for the purpose of treatment of water through adsorption, chelation, precipitation, ion exchange techniques etc. Nanoparticle doped with chitosan in the form of bionanocomposites has been a very successful tool for the removal of pollutants from the water. Wastewater contains different types of metal ions, toxic substance,and different pH i.e. alkaline as well as acidic nature. Chitosan in the acidic media is very helpful as the amino functional group can easily be protonated in acidic media to bind with the anionic part of the organic pollutants.


Chitosan Nanocomposites pH Metal Adsorbents 



Authors are thankful to all those who have already worked in the field treatment of waste water using chitosan based nanocomposites and also thankful to those who have been working in this field. Authors acknowledge Department of Chemistry, Aligarh Muslim University, Aligarh for providing necessary facilities. SS also thanked UPCST for providing Young Scientist fellowship.


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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Nafees Ahmad
    • 1
  • Saima Sultana
    • 1
  • Mohammad Zain Khan
    • 1
  • Suhail Sabir
    • 1
  1. 1.Environmental Research Laboratory, Department of ChemistryAligarh Muslim UniversityAligarhIndia

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