Removal of malachite green from aqueous solution using low-cost chlorella-based biomass

Journal of Hazardous Materials
Wen-Tien Tsai, Huei-Ru Chen

Abstract

Chlorella-based biomass from the algae-manufacturing waste was used as a low-cost biosorbent for the biosorption of malachite green (MG) in an agitated batch experiments with respect to its kinetics as a function of agitation speed (i.e., 300-500 rpm), initial MG concentration (i.e., 2.0-20.0 mg dm(-3)), biosorbent loading (i.e., 0.5-2.0 g/2.0 dm(3)), initial pH (i.e., 3.0-11.0), and temperature (i.e., 278-318 K). The experimental data revealed that the rapid removal of cationic solute using the dead microalgae significantly depended on the initial MG concentration and algal loading. Furthermore, the biosorption kinetics well obeyed the pseudo-second-order rate equation, and could be elucidated by considering the electrostatic interactions. According to the biosorption behaviors of MG from aqueous solution using chlorella-based biomass in comparison with commercial activated carbon, this work also showed that the biosorbent can be effectively used as a low-cost biosorbent for the removal of MG from its aqueous solutions.

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Citations

Jan 17, 2012·Environmental Science and Pollution Research International
May 6, 2014·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Lanlan HuangRavendra Naidu
Jan 18, 2014·World Journal of Microbiology & Biotechnology·S RangabhashiyamLity Alen Varghese
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Dec 3, 2014·Bioresource Technology·Yuan-Ming ChangMing-Hsuan Li
Dec 16, 2016·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Ali BelhaineAhmed Addou
Oct 16, 2015·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Inès MnifDhouha Ghribi
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Feb 14, 2017·Water Science and Technology : a Journal of the International Association on Water Pollution Research·M Jerold, V Sivasubramanian
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Jan 1, 2021·Chemosphere·Alireza FathollahiAlan P Newman
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Feb 26, 2011·Colloids and Surfaces. B, Biointerfaces·Shamik ChowdhuryPapita Saha

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