1. Zapffe C. The history of manganese in water and methods for its removal. J Am Water Works Assoc 1933; 25(5): 655-676.
2. Massoudinejad M R, Eslami A, Khashij M. Removal of Mn2+ from aqueous solution using Clinoptilolite coated with manganese dioxide. J Saf Promot Inj Prev 2015; 2(4): 265-272. [In Persian]
3. Islam A A, Goodwill J E, Bouchard R, Tobison J E. Characterization of filter media MnOX(S) surfaces and Mn removal capability. J Am water Works Assoc 2010; 102(9): 71-83.
4. Tobiason J E, Bazilio A, Goodwill J, Mai X, Nguyen C. Manganese removal from drinking water sources. Current Pollution Reports 2016; 2(3): 168-177.
5. Zhang Z, Zhang Z, Chen H, Liu J, Liu C, Ni H, et al. Surface Mn(II) oxidation actuated by a multicopper oxidase in a soil bacterium leads to the formation of manganese oxide minerals. Sci Rep 2015; 5:1-13.
6. Chen C, Apul O G, Karanfil T. Removal of bromide from surface waters using silver impregnated activated carbon. Water Res 2017; 113: 223-230.
7. Edwin Vasu A. Surface modification of activated carbon for enhancement of nickel(II) adsorption. J Chem 2008; 5(4): 814-819.
8. Gallios G P, Tolkou A K, Katsoyiannis J A, Stefusova K, Vaclavikoa M, Deliyanni E. Adsorption of arsenate by nano scaled activated carbon modified by iron and manganese oxides. Sustainability 2017; 9(10): 1684-1702.
9. Knocke W, Roman J R, Thompson C PJ. Soluble manganese removal on oxide-coated filter media. Am Water Works Assoc 1988; 80(12): 65-70.
10. Morgan J, Stumm W. Colloid-chemical properties of manganese dioxide. J Colloid Sci 1964; 19(4): 347-59.
11. Taffarel S R, Rubio. Removal of Mn2+ from aqueous solution by manganese oxide coated zeolite. Miner Eng 2010; 23(14): 1131-1138.
12. Teng Z, Yuan H J, Fujita K, Takaziwa S. Manganese removal by hollow fiber micro-filter. Membrane separation for drinking water. Desalination 2001; 139(1-3): 411-418.
13. Goldstein J, Newbury D, Williams D. X-Ray spectrometry in electron beam instruments. Plenum Press, 1995, New York.
14. Dhoble R M, Lunge S, Bhole A G, Rayalu S. Magnetic binary oxide particles (MBOP): a promising adsorbent for removal of As (III) in water. Water Res 2011; 45(16): 4769-4781.
15. Yakout S M, Sharaf El-Deen G. Characterization of activated carbon prepared by phosphoric acid activation of olive stones. Arabian J Chem 2016; 9: 1155–1162.
16. Dashtinejad M, Samadfam M, Fasihi J, Grayelifumeshkenar F, Sepehria H. Synthesis, characterization, and cesium sorption performance of potassium nickel hexacyanoferrate-loaded granular activated carbon. Part Sci Technol 2014; 32(2): 348–354.
17. Kumar H, Manisha H, Sangwan P. Synthesis and characterization of MnO2 nanoparticles using co-precipitation technique. Int J Chem Chem Eng 2013; 3(3): 155-160.
18. International center for diffraction data 2017. Available at: www.icdd.com
19. Kordesh K V, Batteries (Manganese Dioxide). Marcel Dekker. 1974, New York.
20. Rodrigues S, Munichndaraiah N, Shukla A K. A cyclic voltammetric study of the kinetics and mechanism of electrodeposition of manganese dioxide and mechanism of electrodeposition of manganese dioxide. J Appl Electrochem 1998; 28(11): 1235- 1241.
21. Nijjer S, Thonstad J, Haarberg GM. Oxidation of manganese(II) and reduction of manganese dioxide in sulphuric acid. Electrochim Acta 2000; 46(2-3): 395-399.
22. Petitiperre J Ph, Comminellis Ch, Plattner E. Oxydation Du MnSO4 en dioxyde de manganese dans H2SO4 30%. Electrochim. Acta 1990; 35(1): 281-287.
23. Kao W H, Weiber V J. Electrochemical oxidation of manganese (II) at a platinum electrode. J Appl Electrochem 1992; 22(1): 21-27.
24. Da Silveria A N, Silva R, Rubio. Treatment of acid mine drainage (AMD) in South Brazil. Comparative active processes and water reuse. Int J Miner Process 2009; 93(2): 103-109.
25. Izlen Cifci D I, Meric S. Manganese adsorption by iron impregnated pumice composite. Colloids Surf A Physicochem Eng Asp 2017; 522: 279-286.
26. Alagumuthu G, Veeraputhiran V, Venkataraman R.Adsorption isotherms on fluoride removal: batch techniques. Arch App Sci Res 2010; 2(4): 170-185.