Removal of Ni(II), Zn(II) and Pb(II) ions from Single Metal Aqueous Solution using Activated Carbon Prepared from Rice Husk
The abundance and availability of rice husk, an agricultural waste, make them as a good source for precursor of activated carbon. In this work, rice husk-based activated carbons were prepared via base treated chemical activation process prior the carbonization process. The effect of carbonization temperatures (400, 600 and 800oC) on their pore structure was evaluated through morphology analysis using scanning electron microscope (SEM). Sample carbonized at 800oC showed better evolution and development of pores as compared to those carbonized at 400 and 600oC. The potential of rice husk-based activated carbon as an alternative adsorbent was investigated for the removal of Ni(II), Zn(II) and Pb(II) from single metal aqueous solution. The adsorption studies using rice husk-based activated carbon as an adsorbent were carried out as a function of contact time at room temperature and the metal ions were analyzed using atomic absorption spectrophotometer (AAS). The ability to remove metal ion from single metal aqueous solution was found to be improved with the increasing of carbonization temperature. Among the three metal ions tested, Pb(II) ion gave the highest adsorption on rice husk-based activated carbon. The results obtained indicate the potential to utilize rice husk as a promising precursor for the preparation of activated carbon for removal of heavy metals.
Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1072112Procedia APA BibTeX Chicago EndNote Harvard JSON MLA RIS XML ISO 690 PDF Downloads 2430
 T.G. Chuah, A. Jumasiah, I. Azmi, S. Katayon and S.Y.T, "Rice husk as a potentially low-cost biosorbent for heavy metal and dye removal: an overview," Desalination, vol 175, pp. 305 - 316, 2005.
 G, Yupeng, Q. Jurui, Y. Shaofeng, Y. Kaifeng, W. Zichen and X. Hongding, " Adsorption of Cr(VI) on micro- and mesoporous rice huskbased active carbon," Materials Chemistry and Physics, vol 78, pp. 132- 137, 2002.
 R. Chand, W. Takanori, I. Katsutoshi, K. Hidetaka, H.N Luitel, D. Parajuli, T. Toshio and Y. Mitsunori, Y., "Selective adsorption of precious metal from hydrochloric acid solutions using porous carbon prepared from barley straw and rice husk," Minerals Engineering, vol 22, pp. 1277 - 1282, 2009.
 C. Deiana, D. Granados, R. Venturini, A. Amaya, M. Sergio and N. Tancredi, "Activated carbon obtained from rice husk: influence on textural parameters," Ind. Eng. Chem. Res, vol 47, pp. 4754 - 4757, 2008.
 Z. Jinghui, F. Hao, L. Xiaoshu, T. Jie and X. Xinhua, "Removal of Cu(II) from aqueous solution using the rice husk carbon prepared by the physical activation process," Biomass and Bioenergy, vol 35, pp. 464 -472, 2011.
 C. Yue, Z. Yanchao, W. Zichen, L. Ying, W. Lili, G. Xiaoyan, M. Yuejin and G. Yupeng, "Application studies of activated carbon derived from rice husks produced by chemical-thermal process-A review," Advances in Colloid and Interface Science., vol 163, pp. 39 - 52, 2011.
 H.L. Tzong and J.W Shao, "Characteristics of microporous/mesoporous carbons prepared from rice husk under base- and acid-treated conditions," Journal of Hazardous Materials, vol 171, pp. 693 - 703,2009.
 C.S. Vimal, D.M. Indra and M.M. Indra, "Equilibrium modeling of ternary adsorption of metal ions onto rice husk ash," Journal of Chemical Engineering & Engineering Data, vol 54, pp. 705 - 7011,2009.
 I.A. Rahman, B. Saad, S. Shaidan and E.S Sya Rizal, "Adsorption characteristics of malachite green on activated carbon derived from rice husks produced by chemical-thermal process," Bioresource Technology, vol 96, pp. 1578 - 1583, 2004.
 H.L. Tzong, "Evolution of chemistry and morphology during the carbonization and combustion of rice husk," Carbon, vol 42, pp. 785-794, 2004.
 S. Maiti, S. Dey, S. Purakayastha and B. Gosh, "Physical and thermochemical characterization of rice husk char as a potential biomass energy source," Bioresource Technology, vol 97, pp. 2065 - 2070, 2006.
 N.S. Awwad, H.M.H Gad, M.I. Ahmad and H.F. Aly, "Sorption of lanthanum and erbium from aqueous solution by activated carbon prepared from rice husk," Colloids and Surfaces B: Biointerfaces, vol 81, pp.593 - 599, 2010.
 L. Xuegang, D. Zaifang, L. Xiaoyanb and Z. Chi, "Fixed-bed column study for Cu2+ removal from solution using expanding rice husk," Journal of Hazardous Materials, vol 187, pp. 182 - 189, 2011.
 F. Qinggi, L. Qing, G. Fuzhong, S. Shuichi and S. Masami, "Adsorption of lead and mercury by rice husk ash," Journal of Colloid and Interface Science, vol 278, pp. 1 - 8, 2004.
 KK. Wong, C.K. Lee, K.S. Low and M.J. Haron, M.J., "Removal of Cu and Pb by tartaric acid modified rice husk from aqueous solutions," Chemosphere, vol 50, pp. 23 - 28, 2003.
 R. Bishnoi, N.R. Nivedita, M.B. Sharma and A. Gupta, " Adsorption of Cr(VI) on activated rice husk carbon and activated alumina," Bioresource Technology, vol 91, pp. 305 - 307, 2003.