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2005 | 3 | 3 | 511-519
Tytuł artykułu

Catalytic air oxidation of manganese in synthetic waters

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
An attempt was made to study the oxidation of manganese by air in synthetic waters. A series of batch experments were performed at differnet values of concentration, temperature and pH. Unoxidized manganese in the solution was determined by formaldoxime spectrometric method. Results of these studies indicated that the air oxidation of manganese soluble in water can be effectively performed in basic media and that oxidation yield increasedwith an increase in pH and concentration. The yield was very high in the presence of manganese dioxide, sepiolite or clinoptilolite in solution and, the oxidation was almost completed especially at high values of pH and concentration. The reaction was found to be first order with respect to Mn2+ with a very low activation energy. A yield of 62% was obtained for the air oxidation of wastewater taken from the treatment plant of Corum Municipality.
Słowa kluczowe
Wydawca

Czasopismo
Rocznik
Tom
3
Numer
3
Strony
511-519
Opis fizyczny
Daty
wydano
2005-09-01
online
2005-09-01
Twórcy
autor
  • Chemical Engineering Department, Corum Engineering Faculty, Gazi University, Corum, Turkey, nkaya@gazi.edu.tr
  • Chemical Engineering Department, Corum Engineering Faculty, Gazi University, Corum, Turkey, erdalk@gazi.edu.tr
  • Chemical Engineering Department, Corum Engineering Faculty, Gazi University, Corum, Turkey, alicilar@gaz.edu.tr
Bibliografia
  • [1] http://www.awwoa.org.au/conf_papers/2001/
  • [2] http://www.cce.cornell.edu/factsheets/wq-fact-sheets/
  • [3] http://www.ext.vt.edu/pubs/housing/
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  • [5] D. Gregory and K. Carlson: “Effect of soluble Mn concentration on oxidation kinetics”, Journal AWWA, Vol. 95(1), (2003), pp. 98–108.
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  • [8] TS 6289-ISO 6333/Nisan 1998, ICS 13.060.40, Su Kalitesi-Mangan Tayini-, Formaldoksim ile Spektrometrik Metot, TSE, Ankara, 1998.
  • [9] C.N. Sawyer, P.L. McCarty, G.F. Parkin: Chemistry for Environmental Engineering, McGraw-Hill, 1994.
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  • [14] H. Yalcin and M. Guru: Su Teknolojisi, Palme Yayincilik, Ankara, 2002.
  • [15] A. Alicilar, A. Bicer and A. Murathan: “The relation betwee wetting efficiency and liquid holdup in packed columns”, Chem. Eng. Com., Vol. 128, (1994), pp. 95–107.
  • [16] D.A. White and A.A. Siddique: “Removal of manganese and iron from drinking water using hydrous manganese dioxide”, Solvent Extrac. Ion Change, Vol. 15(6), (1997), pp. 1133–1145.
  • [17] V. Petkova: “Natural zeolites in manganese removal”, Ingeneria Hidraulica en Mexico, Vol. 12(3), (1997), pp. 41–49.
  • [18] V.P. Simeonova, M.I. Mintchev and M.L. Rivera: “Pilot study of iron and managanese removal from Mexican drinking water supply sources”, Ingeneria Hidraulica en Mexico, Vol. 14(2), (1999), pp. 27–38.
  • [19] A.S. Murathan: “Removal of strontium, aluminium, manganese and iron ions from aqueous solutions in packed beds”, Fresenius Env. Bulletin, Vol. 13(6), (2004), pp. 481–484.
  • [20] D. Johnson, B. Chiswell and K. O'halloran: “Micro-organisms and manganese cycling in a seasonally stratified freshwater dam”, Water Res., Vol. 29, (1995), pp. 2739–2745. http://dx.doi.org/10.1016/0043-1354(95)00156-F[Crossref]
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_BF02479279
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