Removal of Cr (VI) Ion by Modified Bean Husk

Pehlivan, Erol and Deveci, Huseyin (2010) Removal of Cr (VI) Ion by Modified Bean Husk. In: 2nd International Symposium on Sustainable Development, June 8-9 2010, Sarajevo.


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In this work, bean husk (BH) was used to remove Cr (VI) ion from synthetic aqueous solution. Batch experiments using closed plastic beakers were designed to obtain Cr (VI) ion sorption data. Bean Husk was modified by using citric acid. The parameter for modification was selected by trying different parameters such as time, temperature and citric acid quantity. In batch experiments, the influences of contact time, pH, adsorbent dose and initial chromium concentration was researched on adsorption process performance and adsorption isotherm for the equilibrium was studied on modified bean husk (MBH). The results showed that adsorption of Cr (VI) by (MBH) reached to equilibrium after 90 min and after that a little change of Cr (VI) removal efficiency was observed. Higher chromium adsorption was observed at lower pH such as pH around 2. The (MBH) in this study showed very good promise for practical applicability and can be an alternative biosorbent for the removal of Cr (VI) from aqueous solution.

Item Type: Conference or Workshop Item (Paper)
Subjects: Q Science > Q Science (General)
Depositing User: Mr. Ibrahim Kinal
Date Deposited: 03 Feb 2012 14:54
Last Modified: 24 Feb 2012 14:41

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