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Adsorption of Heavy Metals from Waste Water Using Low Cost- Adsorbent: A Review

Author

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  • Ratnadipa Ukey
  • Samreen Fatema
  • Mazahar Farooqui
  • Sayed Abed

Abstract

Environmental pollution, notably water pollution, has escalated into a critical global issue, profoundly affecting ecosystems and human health. Heavy metals are especially alarming among the numerous pollutants due to their toxicity, persistence, and non-biodegradability. With the help of different technologies the effect of toxic metal ions can be minimized but out of all, adsorption was found to be very effective due to ease of operation and economically effective properties. Low cost adsorbent in number has been investigated as to replace current costly methods of removing heavy metals from solution. Through this review, several low cost adsorbents in the recent have been studied. The maximum adsorption capacity and percentage removal were revised and summarized in this review for further reference. Some of the natural adsorbents appeared as good heavy metal removal, while some were not. The objective of this study is to contribute in the search for less expensive adsorbents and their utilization possibilities for various agricultural waste by-products such as seaweed, algae, banana peel, egg shell and saw dust etc. to remove heavy metals from the wastewater.

Suggested Citation

  • Ratnadipa Ukey & Samreen Fatema & Mazahar Farooqui & Sayed Abed, 2025. "Adsorption of Heavy Metals from Waste Water Using Low Cost- Adsorbent: A Review," International Journal of Scientific Research in Science and Technology, Technoscience Academy, vol. 12(4), pages 1054-1067, August.
    • Handle: RePEc:etm:ijsrst:v12:y2025:i4:id:1111
    DOI: 10.32628/IJSRST251387
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