Authors- Dr. Nitin W. Ingole, Prof. S.V. Dharpal, Pritee H. Choudhary
Abstract- The objective of this study is to contribute in the search for low-cost adsorbents and investigate the parameters that influence the adsorption of heavy metals on adsorbents using various Adsorption Isotherm Models. The large industries mainly chemical industries discharge these heavy metal ions in the form of chemicals directly into the water of river, lake, sea. They cause health issues for living beings specially flora and fauna which survives into the water. So, it is compulsory to remove those toxic metal ions to illuminate the health risk of living beings and plant as well. There are lots of techniques present to remove that heavy metal ion like ion-exchange, chemical precipitation, coagulation-flocculation & flotation, adsorption, membrane filtration. Among all of the process, adsorption is the best suitable method for illumination of toxicity of heavy metal ions from industrial waste water effluent. Here adsorption performs a useful method for removal process with lots of advantages because this is the low cost method with eco-friendly in nature. Biosorption is an environmental friendly method for metal removal as it can be used as a cost effective and efficient technique for heavy metal removal. A lot of biomass can be choosen as biosorbent such as waste material from food processing and agriculture. Ent. Biosorption offers the advantages of low cost, good efficiency and production of sludge with high metal content is possible to avoid by the existence of metal recovery method from metal loaded biosorbent.
 keywords-:  Adsorption, Heavy metals, Biosorption, Isotherm, Biosorbent
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