Catalyzed ozonation process with GAC and metal doped-GAC for removing organic pollutants

Autor:	Joon Wun Kang, Byung Soo Oh, S.J. Song, H.J. Oh, Eung Taek Lee
Rok vydání:	2004
Předmět:	Environmental Engineering Aqueous solution Ozone Radical Inorganic chemistry Ozone depletion Decomposition Catalysis Metal chemistry.chemical_compound chemistry visual_art medicine visual_art.visual_art_medium Water Science and Technology Activated carbon medicine.drug
Zdroj:	Water Science and Technology. 49:45-49
ISSN:	1996-9732 0273-1223
Popis:	The purpose of this study was to investigate the catalytic role of granular activated carbon (GAC), and metal (Mn or Fe) doped-GAC, on the transformation of ozone into more reactive secondary radicals, such as hydroxyl radicals (.OH), for the treatment of wastewater. The GAC doped with Mn showed the highest catalytic performance in terms of ozone decomposition into OH radicals. Likewise, activated carbon alone accelerated the ozone decomposition, resulting in the formation of .OH radicals. In the presence of promoters, the ozone depletion rate was enhanced further by the Mn-GAC catalyst system, even under aqueous acidic pH conditions.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::82ec242a62db51d87da06eeed3aa212f https://doi.org/10.2166/wst.2004.0216 Zobrazit plný text záznamu