|
Korean Journal of Chemical Engineering, Vol.25, No.6, 1385-1388, 2008
Novel method for removal of NOx and SO2 by sustainable electrochemical process using Ag(I)/Ag(II) redox mediator
The objective of this work was to develop a process for removal of industrial waste gases like NO, NO2 and SO2 by electrochemically generated Ag(I)/Ag(II) redox mediator system in aqueous nitric acid medium. 100% removal efficiencies were achieved in these studies for removal of NOx and SO2 with Ag(II) ions in room temperature and atmospheric pressure. This Ag(I)/Ag(II) redox mediator system can be regenerated continuously during the scrubbing
process.
[References]
- Clifton CL, Altstein N, Hule RE, Environ. Sci. Technol., 22, 586, 1988
- Littlejohn D, Wang Y, Chang SG, Environ. Sci. Technol., 27, 2162, 1993
- Shen CH, Rochelle GT, Environ. Sci. Technol., 32, 1994, 1998
- Senjo T, Kobayashi M, Japanese Patent 49130362 (1973)
- Hartmann HF, Brown GM, Kean B, J. Inst. Fuel, 39, 325, 1996
- Brogren C, Karlsson HT, Bjerle I, Chem. Eng. Technol., 21(1), 61, 1998
- Yang CL, Shaw H, Perlmutter HD, Chem. Eng. Commun., 143, 23, 1996
- Robenson S, Natl. Environ. J. (1993)
- Joshi JB, Mahajani VV, Juvekar VA, Chem. Eng. Commun., 33, 192, 1985
- Un UT, Koparal AS, Ogutveren UB, Sep. Purif. Technol., 53(1), 57, 2007
- Aurousseau M, Lapicque F, Storck A, Ind. Eng. Chem. Res., 33(2), 191, 1994
- Hoffmann P, Roizard C, Lapicque L, Venot S, Maire A, Institution of Chemical Engineers. Trans IchemE, 75B, 43, 1997
- Juttner K, Galla U, Schmieder H, Electrochim. Acta, 45(15-16), 2575, 2000
- Tzedakis T, Savall A, Chem. Eng. Sci., 46, 2269, 1991
- Balaji S, Chung SJ, Matheswaran M, Moon IS, Korean J. Chem. Eng., 24(6), 1009, 2007
- Matheswaran M, Balaji S, Chung SJ, Moon IS, Bull. Korean Chem. Soc., 28, 1387, 2007
- Matheswaran M, Balaji S, Chung SJ, Moon IS, Electrochim. Acta, 53(4), 1897, 2007
- Matheswaran M, Balaji S, Chung SJ, Moon IS, J. Ind. Eng. Chem., 13(2), 231, 2007
- Bringmann J, Ebert K, Galla U, Schmieder H, J. Appl. Electrochem., 27(7), 870, 1997
- Kokovkin VV, Chung SJ, Balaji S, Matheswaran M, Moon IS, Korean J. Chem. Eng., 24(5), 749, 2007
|