Sequential Manganese Desorption and Sequestration in Anthracite Coal and Silica Sand Filter Media
作者： Christopher J. Gabelich , Fredrick W. Gerringer , Connie C. Lee , William R. Knocke
DOI: 10.1002/J.1551-8833.2006.TB07665.X
关键词: Nuclear chemistry 、 Desorption 、 Alum 、 Chloride 、 Mineralogy 、 Chlorine 、 Ferric 、 Manganese 、 Aluminium sulfate 、 Sand filter 、 Chemistry 、 General chemistry 、 Water Science and Technology
摘要: The Metropolitan Water District of Southern California carried out a study to evaluate manganese (Mn) desorption from filter media during biological filtration startup. Mn contamination the was by-product prior use ferric chloride (FeC13), which contains Mn, for coagulation and free chlorine exposure. During pilot- full-scale testing at pH 6.5, FeCl 3 (without chlorine) released soluble nearly four times level by aluminum sulfate (alum; 105 μg/L 27 alum). Pilot-scale experiments demonstrated that present in column three valence states [Mn(ll), Mn(lll), Mn(IV)]. Mn(ll) influent . on anthracite hypothesized be Mn(II)/Mn(IV) first physically displaced iron, aluminum, hydrogen, then catalytically oxidized Mn(IV) silica sand.
unirioja.es
awwa.org参考文章(23)
James J. Morgan, Werner Stumm, Aquatic Chemistry: Chemical Equilibria and Rates in Natural Waters ,(1970)
William R. Knocke, Jeffrey R. Hamon, Carolyn P. Thompson, Soluble Manganese Removal on Oxide-Coated Filter Media Journal - American Water Works Association. ,vol. 80, pp. 65- 70 ,(1988) , 10.1002/J.1551-8833.1988.TB03151.X
Kenneth H. Carlson, William R. Knocke, Kevin R. Gertig, Optimizing treatment through Fe and Mn fractionation Journal - American Water Works Association. ,vol. 89, pp. 162- 171 ,(1997) , 10.1002/J.1551-8833.1997.TB08216.X
Chemical equilibria and rates of manganese oxidation Water Supply Paper. ,(1963) , 10.3133/WSP1667A
Joseph M. Wong, Chlorination-Filtration for Iron and Manganese Removal Journal - American Water Works Association. ,vol. 76, pp. 76- 79 ,(1984) , 10.1002/J.1551-8833.1984.TB05265.X
Mark Eley, Keith Nicholson, Chemistry and adsorption-desorption properties of manganese oxides deposited in Forehill Water Treatment Plant, Grampian, Scotland Environmental Geochemistry and Health. ,vol. 15, pp. 85- 91 ,(1993) , 10.1007/BF02627826
Durelle T. Scott, Diane M. McKnight, Bettina M. Voelker, Duane C. Hrncir, Redox processes controlling manganese fate and transport in a mountain stream. Environmental Science & Technology. ,vol. 36, pp. 453- 459 ,(2002) , 10.1021/ES010951S
Windsor Sung, James J. Morgan, Oxidative removal of Mn(II) from solution catalysed by the γ-FeOOH (lepidocrocite) surface Geochimica et Cosmochimica Acta. ,vol. 45, pp. 2377- 2383 ,(1981) , 10.1016/0016-7037(81)90091-0
James W Murray, John G Dillard, Rudolf Giovanoli, Harald Moers, Werner Stumm, Oxidation of Mn(II): Initial mineralogy, oxidation state and ageing Geochimica et Cosmochimica Acta. ,vol. 49, pp. 463- 470 ,(1985) , 10.1016/0016-7037(85)90038-9