Removal of Cr(VI) and Cu(II) Ions from Aqueous Solution by Carbon Prepared from Henna Leaves

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Shanthi, T. and Selvarajan, V. M. (2013) Removal of Cr(VI) and Cu(II) Ions from Aqueous Solution by Carbon Prepared from Henna Leaves. Journal of Chemistry, 2013 (1). ISSN 2090-9063

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Abstract

Carbon prepared from henna (Lawsonia inermis) leaves was used to study adsorption of Cr(VI) and Cu(II) ions from aqueous solutions. Effects of pH, contact time, initial concentration, and adsorbent dosage were evaluated. Adsorption increased with pH from 1 to 7 and then decreased. Maximum removal occurred with 0.7 g adsorbent at 100 ppm metal ion. Data fitted Langmuir and Freundlich isotherms. Cu(II) removal was higher than Cr(VI). Henna-derived carbon is effective for removing heavy metals from aqueous solutions. © 2013 T. Shanthi and V. M. Selvarajan. © 2012 Elsevier B.V., All rights reserved.

Item Type: Article
Subjects: Environmental Science > Environmental Chemistry
Divisions: Arts and Science > Vinayaka Mission's Kirupananda Variyar Arts & Science College, Salem > Chemistry
Depositing User: Unnamed user with email techsupport@mosys.org
Last Modified: 10 Dec 2025 06:54
URI: https://vmuir.mosys.org/id/eprint/4228

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