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REMOVAL OF CHROMIUM FROM WASTEWATER USING LOW COST ADSORBENT
Spurthi L, Chandrika K, Kausalya Chandra L, Yashas S, T Brahmaiah, K S Sai Prasad*
ABSTRACT
Adsorption experiments were carried out using rice straw as an agricultural residue to adsorb Cr. Rice straw was treated in order to increase their metal-binding capacity. The adsorption process is affected by various parameters such as contact time, pH of the solution, and adsorbent dosage. Adsorption isotherms were modeled with the Langmuir, Freundlich and Temkin isotherms. Results indicated that rice straw appeared to be the most practical for use for adsorption of Cr from waste water. The modified rice straws could adsorb Cr faster than unmodified. Keywords: Rice Straw (RS), Adsorption, Sodium Hydroxide, Isotherms. [Download Article] [Download Certifiate] |