Kinetic and adsorption removal study of Malachite green dye on Carbon Nanotubes Immobilized Biomass (CNTIB)

Kabbashi, Nassereldeen Ahmed and Bello, Ibrahim and Alam, Md Zahangir and Mohamad Puad, Noor Illi and Nour, Abdurahman Hamid (2018) Kinetic and adsorption removal study of Malachite green dye on Carbon Nanotubes Immobilized Biomass (CNTIB). Journal of Pollution and Public Health, 1 (1). pp. 1-7. ISSN 2578-8957

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Abstract

The adsorption of Malachite green (MG) onto Carbon Nanotubes Immobilized Biomass (CNTIB) was carried out in this research. The interactive effects of experimental variables such as Biosorbent loading, MG dye concentration and pH were investigated. Optimized conditions for adsorption studies were achieved by employing the Response Surface Methodology (RSM) of Design expert 7 software using the Faced Centered Central Composite Design (FCCD). MG adsorption uptake was found to increase with an increase in biosorbent loading. Isotherm studies showed that the experimental data better fitted with the Langmuir isotherm for CNTIB when compared to Freundlich isotherm. Adsorption kinetics was found to follow the pseudo-second order kinetic model which suggests that chemisorption is the process through which adsorption took place. The biosorbent was produced by immobilization technique. Optimized conditions of parameters for biosorption studies (initial dye concentration, biosorbent loading and pH) as well as response were determined. 111.0mg/L of dye was removed out of an initial dye concentration of 112.5mg/L. Acidic pH was favourable for the adsorption of MG. Coefficient of determination (R2) for biosorption model was 0.989. The biosorbent produced was characterized using SEM to determine its morphology and available functional groups which would further enhance its biosorption ability.

Item Type:	Article (Journal)
Additional Information:	4286/70499
Uncontrolled Keywords:	MG, CNTIB, Biosorbent, Kinetic
Subjects:	T Technology > TP Chemical technology > TP155 Chemical engineering
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering > Department of Biotechnology Engineering
Depositing User:	Dr Nassereldeen Kabbashi
Date Deposited:	26 Feb 2019 21:03
Last Modified:	12 Jul 2019 16:30
URI:	http://irep.iium.edu.my/id/eprint/70499

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