Scientific Research and Essays

  • Abbreviation: Sci. Res. Essays
  • Language: English
  • ISSN: 1992-2248
  • DOI: 10.5897/SRE
  • Start Year: 2006
  • Published Articles: 2740


Agricultural products and by-products as a low cost adsorbent for heavy metal removal from water and wastewater: A review

Upendra Kumar
Department of Civil Engineering, National Institute of Technology, Silchar 788 010, Assam, India.
Email: [email protected]

  •  Accepted: 25 October 2006
  •  Published: 30 November 2006



The use of agricultural products and by-products has been widely investigated as a replacement for current costly methods of removing heavy metals from water and wastewater. Some of the agricultural materials can be effectively used as a low-cost sorbent. Modification of agricultural by-product could enhance their natural capacity and add value to the by-product. In this review, an extensive list of sorbent literature has been compiled to provide a summary of available information on a wide range of low-cost agricultural product and by-product sorbent and their modification for removing heavy metals from water and wastewater.


Key words: Agricultural products, adsorbent, low cost, heavy metals, water, wastewater.