Journal of Surface Science and Technology

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Bio-Sorption Potential of V. zizanioides Grass and Roots for the Removal of Cr (VI)


Affiliations
1 University School of Chemical Technology, Guru Gobind Singh Indraprastha University, Dwarka - 110078, New Delhi, India
     

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This research aims to investigate the bio-sorption potential of V. zizanioides as a bio-adsorbent for removal of Cr (VI) from aqueous solution. Batch experiments were carried out with grass and ischolar_mains of V. zizanioides in order to analyze biosorptive potential. The performance parameters of the biosorbents covered contact time, adsorbent dosage, initial concentration, temperature and pH of the aqueous solution. It was observed that the solution pH significantly affects the Cr (VI) removal efficiency using raw (grass and ischolar_mains of V. zizanioides). Therefore, the grass and ischolar_mains were treated by acid and base solution to get higher sorption behavior. The higher removal efficiency (98% and 92%) has been achieved using acid treated grass and ischolar_mains at 1 (mg/L) of Cr (VI) concentration respectively. Biosorbent and chromium interaction was investigated by Langmuir and Freundlich isotherms for the proposed bio-adsorption process. The maximum adsorption capacity was observed (0.42 mg/g and 0.199 mg/g) using grass and ischolar_mains respectively. The data best fitted the Langmuir model indicating monolayer adsorption. Kinetic aspects were examined to achieve thermodynamic equilibrium and found that the rate of adsorption has good correlation with pseudo-second-order kinetics. In addition, diffusion models demonstrate that intraparticle diffusion is the sole rate-limiting step in this particular bio-sorption. An evaluation of thermodynamic parameters, namely ΔH°, ΔS° and ΔG°, indicate that the adsorption was feasible, spontaneous and endothermic in nature. The low values of ΔH° and ΔG° correspond to physical adsorption. The results reveal that V. zizanioides can be successfully used to remove Cr (VI) from aqueous solution.

Keywords

Bio-sorption, Chromium, Isotherms, Kinetics, Thermodynamics, V. zizanioides.
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  • N. Ahalya, T. V. Ramachandra and R. D. Kanamadi, Res. J. Chem. Environ., 7, 71 (2003).

  • S. Maheshwari, P. K. Joshi, R. Kumar and N. Singh, Curr. World Environ., 3(1), 93 (2008).

  • A. Afkhami and B. E. Conway, J. Colloid Interf. Sci., 251, 248 (2002).

  • A. K. Shanker, C. Cervantes, H. Loza-Tavera and S. Avudainayagam, Environ. Int., 31(5) 739 (2005).

  • S. K. Verma, V. Khandegar and A. K.Saroha, J. Hazard. Toxic Radioact. Waste, 17(2), 146 (2013).

  • G. L. Dotto, E. C. Lima and L. A. A. Pinto, Biores. Technol., 103, 123 (2012).

  • Z. Aksu, Process Biochem., 40, 997 (2005).

  • R. Patel and S. Suresh, Biores. Technol., 99, 51 (2008).

  • A. Srinivasan and T. Viraraghavan, J. Environ. Manage., 91, 1915 (2010).

  • J. O. Babalola, B. A. Koiki, Y. Eniayewu, A. Salimonu, J. O. Olowoyo, V. O. Oninla, H. A. Alabi, A. E. Ofomaja and M. O. Omorogie, J. Environ. Chem. Eng. 4, 3527 (2016).

  • N. Roongtanakiat, S. Tangruangkiat and R. Meesat, Sci. Asia, 33, 397 (2007).

  • P. Gupta, S. Roy and A. B. Mahindrakar, Res. Environ., 2 (5), 202 (2012).

  • R. Banerjee, P. Goswami, K. Pathak and A. Mukherjee, Ecologic. Eng., 90, 25 (2016).

  • V. Singh, L. Thakur and P. Mondal, Clean-Soil Air Water, 43(4), 538 (2015).

  • National Research Council., Washington, D.C.: National Academy Press. 171 (1993).

  • L. S. Thakur, A. K. Varma, P. Mondal, J. Therm. Anal. Calorim. 1 (2017).

  • S. T. T. Le, N. Yuangpho, T. Threrujirapapong, W. Khanitchaidecha, A. Nakaruk, J. Australian Ceramic Society, 51(1), 40 (2015).

  • Z. D. Henry, D. Liu, Y. Zheng, S. Liang and Z. Liu, J. Hazard. Mater., 167, 141 (2009).

  • Langmuir, J. Am. Chem. Soc., 40, 1361 (1918).

  • H. M. F. Freundlich, J. Phys. Chem., 57, 385 (1906).

  • A. Dada, A. P. Olalekan and A. M. Olatunya, J. Appl. Chemistry, 3 (1), 38 (2012).

  • S. Lagergren, B. K. Svenska, Vetenskapsakad Handl., 24, 1 (1898).

  • R. M. Ali, H. A. Hamad, M. M. Hussein and G. F. Malash, Ecologic. Eng., 91, 317 (2016).

  • H. Singh, G. Chauhan, A. K. Jain, S. K. Sharma, J. Environ. Chem. Eng., 5, 122 (2017).

  • M. Aliabadi, I. Khazaei, H. Fakhraee and M. T. H. Mousavian, Int. J. Environ. Sci. Technol., 9, 319 (2012).

  • M. Kumar, A. Pal, J. Singh, S. Garg, M. Bala, A. Vyas, Y. Khasa and U. Pachouri, Nat. Sci., 5(3), 341 (2013).

  • R. Dobrowolski and M. Otto, Adsorption, 16, 279 (2010).

  • K. Selvaraj, S. Manonmani and S. Pattabi, Biores. Technol., 89, 207 (2003).

  • S. Xining, M. Jingjing, Z. Zengqiang and Z. Zhiyong, Adv. J. Food Sci. Technol., 7(2), 120 (2015).

  • K. Mohanty, M. Jha, B. C. Meikap and M. N. Biswas, Chem. Eng. Sci., 60, 3049 (2005).

  • T. A. Davis, B. Volesky and A. Mucci, Water Res., 37, 4311 (2003).

  • J. Moreno-Pirajan and V. S. Liliana Giraldo, Adsorption, 17, 505 (2011).

  • Q. Li, J. Zhai, W. Zhang, M. Wang and J. Zhou, J. Hazard. Mater., B 141, 163 (2006).


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  • Bio-Sorption Potential of V. zizanioides Grass and Roots for the Removal of Cr (VI)

Abstract Views: 248  |  PDF Views: 6

Authors

Uplabdhi Tyagi
University School of Chemical Technology, Guru Gobind Singh Indraprastha University, Dwarka - 110078, New Delhi, India
Vinita Khandegar
University School of Chemical Technology, Guru Gobind Singh Indraprastha University, Dwarka - 110078, New Delhi, India

Abstract


This research aims to investigate the bio-sorption potential of V. zizanioides as a bio-adsorbent for removal of Cr (VI) from aqueous solution. Batch experiments were carried out with grass and ischolar_mains of V. zizanioides in order to analyze biosorptive potential. The performance parameters of the biosorbents covered contact time, adsorbent dosage, initial concentration, temperature and pH of the aqueous solution. It was observed that the solution pH significantly affects the Cr (VI) removal efficiency using raw (grass and ischolar_mains of V. zizanioides). Therefore, the grass and ischolar_mains were treated by acid and base solution to get higher sorption behavior. The higher removal efficiency (98% and 92%) has been achieved using acid treated grass and ischolar_mains at 1 (mg/L) of Cr (VI) concentration respectively. Biosorbent and chromium interaction was investigated by Langmuir and Freundlich isotherms for the proposed bio-adsorption process. The maximum adsorption capacity was observed (0.42 mg/g and 0.199 mg/g) using grass and ischolar_mains respectively. The data best fitted the Langmuir model indicating monolayer adsorption. Kinetic aspects were examined to achieve thermodynamic equilibrium and found that the rate of adsorption has good correlation with pseudo-second-order kinetics. In addition, diffusion models demonstrate that intraparticle diffusion is the sole rate-limiting step in this particular bio-sorption. An evaluation of thermodynamic parameters, namely ΔH°, ΔS° and ΔG°, indicate that the adsorption was feasible, spontaneous and endothermic in nature. The low values of ΔH° and ΔG° correspond to physical adsorption. The results reveal that V. zizanioides can be successfully used to remove Cr (VI) from aqueous solution.

Keywords


Bio-sorption, Chromium, Isotherms, Kinetics, Thermodynamics, V. zizanioides.

References





DOI: https://doi.org/10.18311/jsst%2F2018%2F18036