Advanced oxidation process using hydrogen peroxide/microwave system for solubilization of phosphate.

Liao, Ping Huang; Wong, Wayne T; Lo, Kwang Victor

Liao, Ping Huang; Wong, Wayne T; Lo, Kwang Victor.

Afiliación

Liao PH; Department of Civil Engineering, University of British Columbia, Vancouver, BC, Canada.

J Environ Sci Health A Tox Hazard Subst Environ Eng ; 40(9): 1753-61, 2005.

Article en En | MEDLINE | ID: mdl-16134366

RESUMEN

An advanced oxidation process (AOP) combining hydrogen peroxide and microwave heating was used for the solubilization of phosphate from secondary municipal sludge from an enhanced biological phosphorus removal process. The microwave irradiation is used as a generator agent of oxidizing radicals as well as a heating source in the process. This AOP process could facilitate the release of a large amount of the sludge-bound phosphorus from the sewage sludge. More than 84% of the total phosphorous could be released at a microwave heating time of 5 min at 170 degrees C. This innovative process has the potential of being applied to simple sludge treatment processes in domestic wastewater treatment and to the recovery of phosphorus from the wastewater.

Asunto(s)

Peróxido de Hidrógeno/química; Microondas; Fosfatos/análisis; Aguas del Alcantarillado/química; Purificación del Agua/métodos; Oxidación-Reducción; Fosfatos/química; Fosfatos/efectos de la radiación; Solubilidad; Purificación del Agua/instrumentación

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Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Fosfatos / Aguas del Alcantarillado / Purificación del Agua / Peróxido de Hidrógeno / Microondas Idioma: En Revista: J Environ Sci Health A Tox Hazard Subst Environ Eng Asunto de la revista: TOXICOLOGIA Año: 2005 Tipo del documento: Article País de afiliación: Canadá Pais de publicación: Reino Unido

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