Purification of Chromium (VI) contaminated water is essential as it is toxic. The present study deals with the removal of Chromium (VI) using activated carbon derived from Ficus racemosa bark (FRBAC) as low cost adsorbent. The adsorption technique is effective and economical for practical applicability. The influence of contact time, adsorbent dose, Cr (VI) ion concentration and pH on adsorption phenomenon have also been investigated and reported. The maximum adsorption capacity of the adsorbent under study for Cr (VI) was found to be 92.3% at optimum pH 5. The results indicate that the adsorption process is favorable for Frendlich and Langmuir models.
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