Biosorption of chromium (III) by orange (Citrus cinensis) waste: Batch and continuous studies
作者： A.B. Pérez Marín , M.I. Aguilar , V.F. Meseguer , J.F. Ortuño , J. Sáez
DOI: 10.1016/J.CEJ.2009.07.034
关键词: Wastewater 、 Particle size 、 Sorption 、 Biosorption 、 Chromatography 、 Adsorption 、 Chromium 、 Nuclear chemistry 、 Aqueous solution 、 Chemistry 、 Orange (colour)
摘要: Abstract The present study explores the ability of orange waste biomass to remove Cr (III) from aqueous solutions. Batch kinetic and isotherm studies were carried out on a laboratory scale evaluate adsorption capacity waste. effects particle size, adsorbent dose solution pH removal also studied. results showed that higher dosage pH, percentage metal removal. No significant influence size sorption was observed in experimental conditions A revealed onto gradual process equilibrium reached within 3 days. pseudo-second order model most appropriate describe data. Equilibrium assays displayed maximum ranging 0.57 mmol/g 1.44 mmol/g when increased 5, according Sips model, which along with Redlich–Peterson equation, is very suitable for correlating use studied chromium continuous mode successful breakthrough curves adequately represented by BDST model. Due slow kinetics waste, batch than assays.
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