Comparative studies on removal of chromium (VI) from Monocotyledon (Allium cepa) tunic and Dicotyledon Plant (Tabebuia aurea)

• Autorzy: Saranya K. , Thirumarimurugan M.
• Języki publikacji: EN

Abstrakty

EN

In the present study, the influence of various important parameters such as pH, adsorbent dosage, shaking velocity, and concentration of Cr(VI) on the adsorbent Allium cepa tunic and Tabebuia aurea capacity were investigated. Isotherms such as Langmuir, Freundlich, Temkin, and Dubinin-Radushkevich and kinetic studies were done. The maximum removal efficiencies were obtained at 75 rpm for both monocot and dicot plant species. At pH 3, the adsorbent T. aurea gives 87% A. cepa, and at pH 5 gives 96.4% removal of Cr(VI) from aqueous solution containing the concentration of 50 mg/L with the adsorbent dosage of 10 g/l. From this study T. aurea maximum percentage removal were noticed at pH 5, adsorbent: 10 mg/L, shaking period: 75 rpm, initial concentration: 150 mg/L were as maximum percentage removal for A. cepa were obtained at pH 3, adsorbent: 10 mg/L, shaking period: 75 rpm, initial concentration: 150 mg/L. At the end of the experiment both Monocotyledon (Allium cepa) tunic and Dicotyledon plant (Tabebuia aurea) gave a better removal percentage at high concentrations.

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 2015
• Tom: 24
• Numer: 3
• Opis fizyczny: p.1291-1297,fig.,ref.

Twórcy

autor

Saranya K.

• Department of Chemical Engineering, Coimbatore Institute of Technology, Coimbatore-641014, Tamilnadu, India

autor

Thirumarimurugan M.

• Department of Chemical Engineering, Coimbatore Institute of Technology, Coimbatore-641014, Tamilnadu, India

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Identyfikatory

DOI

10.15244/pjoes/28639