Evaluation of cassava peel waste as lowcost biosorbent for Ni-sorption: Equilibrium, kinetics, thermodynamics and mechanism

被引：81

作者：

Kurniawan, Alfin ^{[1
]}

Kosasih, Aline Natasia ^{[1
,2
]}

Febrianto, Jonathan ^{[1
]}

Ju, Yi-Hsu ^{[2
]}

Sunarso, Jaka ^{[3
]}

Indraswati, Nani ^{[1
]}

Ismadji, Suryadi ^{[1
]}

机构：

[1] Widya Mandala Catholic Univ, Dept Chem Engn, Surabaya 60114, Indonesia

[2] Natl Taiwan Univ Sci & Technol, Dept Chem Engn, Taipei 10607, Taiwan

[3] Deakin Univ, Australian Res Council, Ctr Excellence Electromat Sci, Inst Technol Res & Innovat, Melbourne, Vic 3125, Australia

来源：

CHEMICAL ENGINEERING JOURNAL | 2011年 / 172卷 / 01期

关键词：

Cassava peel; Isotherm; Nickel; Biosorption; AQUEOUS-SOLUTION; BIOSORPTION; REMOVAL; CU(II); ADSORPTION; NI(II);

D O I：

10.1016/j.cej.2011.05.083

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The feasibility of cassava peel waste for Ni-sorption is evaluated in this work. The biosorbents are characterized by Boehm titration, Fourier transform-infra red (FTIR) spectroscopy, Nitrogen sorption, scanning electron microscopy-energy dispersive X-ray (SEM-EDX) analysis (e.g. elemental mapping) and X-ray photoelectron spectroscopy (XPS). Adsorption experiments are performed in batch mode at 30 degrees C (303.15K). 45 degrees C (318.15 K) and 60 degrees C (333.15 K). The performance of several temperature dependence forms of isotherm models e.g. Langmuir, Freundlich, Sips and Toth to represent the adsorption equilibrium data is evaluated and contrasted. Sips model demonstrates the best fitting with the maximum uptake capacity for Ni(II) ions of 57 mg/g (0.971 mmol/g) at pH 4.5. For kinetic data correlation, pseudo-second order model shows the best representation. The chemisorption mechanism and thermodynamics aspect are also discussed. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：158 / 166

页数：9

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