Efficiency of Biochar Derived from Elephant Dung for Adsorption of Iron (III) Ions
Abstract
The objective of this study was to investigate the ability of NaCl-treated and untreated biochar derived from elephant dung for adsorption of iron (III) ions in synthesized wastewater. The iron (III) ions adsorption of both adsorbents reached equilibrium within 90 minutes, with the adsorption of NaCl-treated biochar being higher than that of untreated biochar. The adsorbed amount at equilibrium was inversely proportional of the mass of adsorbents. The optimum pH for iron (III) ions adsorption was 7. The adsorption rate could be described by the pseudo-second order kinetic model while the adsorbed amount of iron (III) ions at equilibrium agreed with Langmuir isotherm (monolayer adsorption). The maximum iron adsorption of untreated and NaCl-treated biochars was 13.57 and 37.45 mg/g, respectively. The adsorption reaction of both adsorbents can occur spontaneously and was an exothermic reaction. The adsorbents of this study can be used to adsorb iron; therefore, it is interesting to apply in the wastewater treatment process further. Keywords : elephant dung ; iron (III) ion ; adsorption isotherm ; thermodynamic ; kineticsReferences
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Maneechakr, P. (2017). Preparation of low-cost activated carbon by carbonization using muffle furnace for iron(III) removal. APHEIT journal 6(2), 72-84. (in Thai)
Moussavi, G. & Khosravi, R. (2011). The removal of cationic dyes from aqueous solutions by adsorption onto pistachio hull waste. Chemical Engineering Research and Design, 89, 2182-2189.
Öztaş, N.A., Karabakan, A., & Topal, Ö. (2008). Removal of Fe(III) ion from aqueous solution by adsorption on raw and treated Clinoptilolite samples. Microporous and Mesoporous Materials, 111, 200-205.
Regmi, P., Moscoso, G. J. L., Kumar, S., Cao, X., Mao, J. & Schafran, G. (2012). Removal of copper and cadmium from aqueous solution using switchgrass biochar produced via hydrothermal carbonization process. Journal of Environmental Management, 109, 61 – 69.
Sheibani, A., Shishehbor, M. R., & Alaei, H. (2012). Removal of Fe(III) ions from aqueous solution by hazelnut hull as an adsorbent. International Journal of Industrial Chemistry, 3, 1-4.
Uchimiya, M., Lima, I.M., Klasson, T.K. & Wartelle, L.H. (2010). Contaminant immobilization and nutrient release by biochar soil amendment: roles of natural organic matter. Chemosphere, 80, 935 – 940.
Yagub, M.T., Sen, T.K., Afroze, S., & Ang, H.M. (2014). Dye and its removal from aqueous solution by adsorption: a review. Advances in Colloid and Interface Science, 209, 172–184.
Adekola, F. A., Hodonou, D. S. S. & Adegoke, H. I. (2016). Thermodynamic and kinetic studies of biosorption of iron and manganese from aqueous medium using rice husk ash. Applied Water Science, 6, 319–330.
Akbar, N., A., Aziz, H., A., & Adlan, M. N. (2016). Potential of high quality limestone as adsorbent for iron and manganese removal in groundwater. Jurnal Teknologi, 78(9-4), 77-82.
APHA. (2005). Standard Methods for the Examination of Water and Wastewater. Washington DC: American Public Health Association/American Water Works Association/Water Environment Federation.
Bhattacharyya, K. G., & Gupta, S. S. (2006). Adsorption of Fe(III) from water by natural and acid activated clays: studies on equilibrium isotherm, kinetics and thermodynamics of interactions. Adsorption, 12, 185–204.
Chen, S., Zhang, J., Zhang, C., Yue, Q., Li, Y., & Li, C. (2010). Equilibrium and kinetic studies of methyl orange and methyl violet adsorption on activated carbon derived from Phragmites australis, Desalination, 252, 149-156.
Gunorubon, A.J., & Chukwunonso, N. (2018). Kinetics, Equilibrium and Thermodynamics studies of Fe3+ ion removal from aqueous solutions using periwinkle shell activated carbon. Advances in Chemical Engineering and Science, 8, 49-66.
Hameed, B.H. (2008). Equilibrium and kinetic studies of methyl violet sorption by agricultural waste, Journal of Hazardous Materials, 154, 204-212.
Haron, W., Thongchai, A., Benhawan, A. & Waema, S. (2019). Removal of toxic heavy metals in water by using natural products as adsorbent. Burapha Science Journal, 24(2), 644-664. (in Thai)
Kannan, C., Buvaneswari, N., & Palvannan, T. (2009). Removal of plant poisoning dyes by adsorption on tomato plant root and green carbon from aqueous solution and its recovery. Desalination, 249(8), 1132-1138
Kouakou, U., Ello, A. S., Yapo, J.A., & Trokourey, A. (2013). Adsorption of iron and zinc on commercial activated carbon. Journal of Environmental Chemistry and Ecotoxicology, 5(6), 168-171.
Lakshmi, U.R., Srivastava, V.C., Mall, I.D. & Lataye, D.H. (2009). Rice husk ash as an effective adsorbent: Evaluation of adsorptive characteristics for indigo carmine dye. Journal of Environmental Management, 90, 710-720.
Liu, D., Su, R., Hao, Z., Jia, B. & Dong, L. (2019). Catalytic effect of NaCl on the improvement of the physiochemical structure of coal-based activated carbon for SO2 adsorption. Process, 7(338), 1-16.
Maneechakr, P. (2017). Preparation of low-cost activated carbon by carbonization using muffle furnace for iron(III) removal. APHEIT journal 6(2), 72-84. (in Thai)
Moussavi, G. & Khosravi, R. (2011). The removal of cationic dyes from aqueous solutions by adsorption onto pistachio hull waste. Chemical Engineering Research and Design, 89, 2182-2189.
Öztaş, N.A., Karabakan, A., & Topal, Ö. (2008). Removal of Fe(III) ion from aqueous solution by adsorption on raw and treated Clinoptilolite samples. Microporous and Mesoporous Materials, 111, 200-205.
Regmi, P., Moscoso, G. J. L., Kumar, S., Cao, X., Mao, J. & Schafran, G. (2012). Removal of copper and cadmium from aqueous solution using switchgrass biochar produced via hydrothermal carbonization process. Journal of Environmental Management, 109, 61 – 69.
Sheibani, A., Shishehbor, M. R., & Alaei, H. (2012). Removal of Fe(III) ions from aqueous solution by hazelnut hull as an adsorbent. International Journal of Industrial Chemistry, 3, 1-4.
Uchimiya, M., Lima, I.M., Klasson, T.K. & Wartelle, L.H. (2010). Contaminant immobilization and nutrient release by biochar soil amendment: roles of natural organic matter. Chemosphere, 80, 935 – 940.
Yagub, M.T., Sen, T.K., Afroze, S., & Ang, H.M. (2014). Dye and its removal from aqueous solution by adsorption: a review. Advances in Colloid and Interface Science, 209, 172–184.
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2021-05-17
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