A novel cellulose-manganese oxide hybrid material by in situ soft chemical synthesis and its application for the removal of Pb(II) from water

Journal of Hazardous Materials
Shihabudheen M MaliyekkalT Pradeep

Abstract

We report an in situ soft chemical synthesis of a novel hybrid material, cellulose-nanoscale-manganese oxide composite (C-NMOC), and its application for Pb(II) removal from aqueous solutions. For comparison, detailed Pb(II) adsorption studies were also performed with nanoscale-manganese oxide powder (NMO), prepared through a similar route. Various spectroscopic and microscopic techniques were used to characterize the as-synthesized materials. X-ray photoelectron spectroscopic (XPS) measurements confirmed the existence of Mn(IV) phase in NMO whereas C-NMOC showed largely the Mn(III) phase. The existence and uniform distribution of manganese oxide in cellulose fiber materials was confirmed by SEM and EDAX analyses. The adsorption studies reveal that the Pb(II) uptake onto C-NMOC is a fast process and >90% of the uptake occurred within the first 10 min contact time. The Sips isotherm predicted the equilibrium data well and the maximum Pb(II) uptake capacity of C-NMOC (4.64% Mn loading) was estimated to be 80.1 mg g(-1). The Pb(II) adsorption capacity of C-NMOC (per gram of Mn present) was several times higher than commercial manganese oxide (beta-MnO2) and at least twice larger than NMO. The experimental evidence reveals that phys...Continue Reading

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Citations

Jul 14, 2012·ACS Applied Materials & Interfaces·Soujit Sen GuptaThalappil Pradeep
Feb 13, 2016·Journal of Hazardous Materials·Shunlong PanLianjun Wang
Oct 4, 2011·Journal of Hazardous Materials·Hui YinGuohong Qiu
Jul 26, 2011·Journal of Hazardous Materials·Sarika SinghD Bahadur
Mar 15, 2011·Journal of Hazardous Materials·E SumeshT Pradeep
Dec 8, 2010·Journal of Hazardous Materials·Jose R Peralta-VideaJorge L Gardea-Torresdey
Jun 27, 2015·Journal of Colloid and Interface Science·Liang PengZhengguo Song
Jul 1, 2012·Carbohydrate Polymers·Leandro José MaschioMaria Lucia Caetano Pinto Da Silva
Jul 13, 2016·Langmuir : the ACS Journal of Surfaces and Colloids·Hua Tian, Junhui He
Nov 5, 2016·International Journal of Biological Macromolecules·Rohan S DassanayakeNoureddine Abidi
Jan 25, 2017·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Li ZhouZhengguo Song
Jan 1, 2018·Environmental Science and Pollution Research International·Minling GaoZeyang Guo
Jan 11, 2018·Environmental Science and Pollution Research International·Mohamed Lamine SallJean-Jacques Aaron
Jan 25, 2020·International Journal of Environmental Research and Public Health·Meina LiangHuijun He
May 21, 2020·International Journal of Environmental Research and Public Health·Bo WangJian Zhou
Dec 18, 2019·Environmental Science and Pollution Research International·Binbin Fu, Fencun Xie
Nov 19, 2020·Materials·Łukasz J WilkElżbieta Kociołek-Balawejder
Jul 25, 2021·The Science of the Total Environment·Ashvinder K RanaVijay Kumar Thakur

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