Synthesis and Characterization of Novel Rice Husk Hydrogel and Cross Linked Acrylic Acid-Rice Husk Hydrogel for the Adsorption of Chromium(VI) from Wastewater

Aakriti Verma; Kalpana Singh; Kushagra Rajendra

doi:10.14233/ajchem.2020.22804

Issue

Vol. 32 No. 9 (2020): Vol 32 Issue 9, 2020

Issue Published : August 20, 2020

This work is licensed under a Creative Commons Attribution 4.0 International License.

Synthesis and Characterization of Novel Rice Husk Hydrogel and Cross Linked Acrylic Acid-Rice Husk Hydrogel for the Adsorption of Chromium(VI) from Wastewater

https://doi.org/10.14233/ajchem.2020.22804

Aakriti Verma

Department of Chemistry, Amity School of Earth and Environmental Sciences, Amity University, Gurugram-122413, India

Kalpana Singh

Department of Applied Sciences (Chemistry), Greater Noida Institute of Technology (Affiliated to Guru Gobind Singh Indraprastha University, Delhi), Greater Noida-201310, India

Kushagra Rajendra

Department of Chemistry, Amity School of Earth and Environmental Sciences, Amity University, Gurugram-122413, India

Corresponding Author(s) : Kalpana Singh

kalpanasankalp@gmail.com

Asian Journal of Chemistry, Vol. 32 No. 9 (2020): Vol 32 Issue 9, 2020
Article Published : August 20, 2020

Abstract

The main purpose of this research is to develop a low-cost and novel bioadsorbent hydrogel from rice husk (PRH) and modified rice husk (MRH) by carboxymethylation and grafting for the effective removal of chromium(VI) from aqueous solutions. The characterization and physico-chemical parameters of the bioadsorbents (PRH and MRH) was also performed. It was found that -CHO, >C=O, C-OH, Si-OH and -Si-H groups widely contributed towards the adsorption of chromium(VI) into the surface of bioadsorbents. The adsorption studies had been conducted using batch experiments. The adsorption equilibrium were analyzed and described by Freundlich, Langmuir and Dubinin-Radushkevish (D-R) isotherm models. It was observed that maximum adsorption of chromium(VI) was attained at pH 2. The optimized conditions regarding the removal of Cr(VI) using PRH (65%) and MRH (78%) as bioadsorbents were at 0.5 g/L of adsorbent dose, 120 min of contact time and pH 2. The results showed that rice husk residue based hydrogel has the potential to be used as a low-cost biosorbent for the removal of Cr(VI) from wastewater.

Keywords

Bioadsorbents Rice husk Heavy metals Adsorption

Verma, A., Singh, K., & Rajendra, K. (2020). Synthesis and Characterization of Novel Rice Husk Hydrogel and Cross Linked Acrylic Acid-Rice Husk Hydrogel for the Adsorption of Chromium(VI) from Wastewater. Asian Journal of Chemistry, 32(9), 2365–2370. https://doi.org/10.14233/ajchem.2020.22804

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References

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References

W.J. Langston, Toxic Effects of Metals and the Incidence of Metal Pollution in Marine Ecosystems, In: Heavy Metals in the Marine Environment, CRC Press, pp. 101-120 (2017).

P.B. Tchounwou, C.G. Yedjou, A.K. Patlolla and D.J. Sutton, EXS, 101, 133 ( 2012); https://doi.org/10.1007/978-3-7643-8340-4_6

M. Bansal, U. Garg, D. Singh and V.K. Garg, J. Hazard. Mater., 162, 312 (2009); https://doi.org/10.1016/j.jhazmat.2008.05.037

H.N. Muhammad Ekramul Mahmud, A.K.O. Huq and R. Yahya, RSC Adv., 6, 14778 (2016); https://doi.org/10.1039/C5RA24358K

A. Bashir, L.A. Malik, S. Ahad, T. Manzoor, M.A. Bhat, G.N. Dar and A.H. Pandith, Environ. Chem. Lett., 17, 729 (2019); https://doi.org/10.1007/s10311-018-00828-y

S. Parlayici and E. Pehlivan, Ann. Ecol. Environ. Sci., 2, 30 (2018).

V.K. Gupta, A. Nayak and S. Agarwal, Environ. Eng. Res., 20, 1 (2015); https://doi.org/10.4491/eer.2015.018

S. Gogoi, S. Chakraborty and M. Dutta Saikia, J. Environ. Chem. Eng., 6, 2492 (2018); https://doi.org/10.1016/j.jece.2018.03.040

M. Talat, S. Mohan, V. Dixit, D.K. Singh, S.H. Hasan and O.N. Srivastava, Groundwater Sustain. Dev., 7, 48 (2018); https://doi.org/10.1016/j.gsd.2018.03.001

M. Bansal, A. Mudhoo, V.K. Garg and D. Singh, Environ. Eng. Manag. J., 15, 1689 (2016).

H. Yaghoubi, M.S. Kalahari, S. Firouzi, C.A. Damalas and S. Marzban, Outlook Agric., 48, 117 (2019); https://doi.org/10.1177/0030727018821384

J.S. Saravanan, S. Vimalraj, P. Thanikaivelan, S. Banudevi and G.Manivasagam, Int. J. Biol. Macromol., 121, 38 (2019); https://doi.org/10.1016/j.ijbiomac.2018.10.014

L.S. Clesceri, A. Greenberg and A.D. Eaton, APHA, AWWA, WEF: Standard Methods for the Examination of Water and Wastewater (1998).

K. Selvi, S. Pattabhi and K. Kadirvelu, Bioresour. Technol., 80, 87 (2001); https://doi.org/10.1016/S0960-8524(01)00068-2

N.A. Oladoja, E.I. Unuabonah, O.S. Amuda and O.M. Kolawole, Progress and Prospects of Polysaccharide Composites as Adsorbents for Water and Wastewater Treatment, In: Polysaccharides as a Green and Sustainable Resources for Water and Wastewater Treatment, pp. 65-90 (2017).

M.A. Atieh, Procedia Environ. Sci., 4, 281 (2011); https://doi.org/10.1016/j.proenv.2011.03.033

V. Lugo-Lugo, C. Barrera-Díaz, F. Ureña-Núñez, B. Bilyeu and I. Linares-Hernández, Management, 112, 120 (2012); https://doi.org/10.1016/j.jenvman.2012.07.009

G. López-Téllez, C.E. Barrera-Díaz, P. Balderas-Hernández, G. RoaMorales and B. Bilyeu, Chem. Eng. J., 173, 480 (2011); https://doi.org/10.1016/j.cej.2011.08.018

Issue

Vol. 32 No. 9 (2020): Vol 32 Issue 9, 2020

Synthesis and Characterization of Novel Rice Husk Hydrogel and Cross Linked Acrylic Acid-Rice Husk Hydrogel for the Adsorption of Chromium(VI) from Wastewater

Corresponding Author(s) : Kalpana Singh

Abstract

Keywords

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