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Title: Removal of Cr (VI) by Prosopis cineraria leaf powder—A green remediation
Authors: Sinha, Ruchi
Bhati, Mahendra
Lal, Magan
Gupta, Vikal
Keywords: Adsorption;Bio adsorbent;Chromium (VI);Effluent treatment;Prosopis cineraria leaf
Issue Date: Sep-2013
Publisher: NISCAIR-CSIR, India
Abstract: Attempt has been made to study the Cr(VI) adsorption capacity of Prosopis cineraria leaf powder from industrial waste water using batch adsorption technique. The effects of various parameters, such as temperature, pH, adsorbent particle size and initial chromium concentration on adsorption process have also been studied. The adsorption process of chromium (VI) has been tested with Langmuir and Freundlich isotherm models. Adsorption data are well described by Freundlich isotherm with maximum adsorption capacity of 80% at 50°C, initial metal concentration of 50 mg/L and an adsorbent dosage of 0.5 g. The adsorption process follows pseudo-second order rate mechanism and rate constant is calculated at 30°C.
Page(s): 312-316
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.20(5) [September 2013]

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