PHOTOASSISTED OXIDATION OF SPECIES IN SOLUTION

The invention relates to methods and processes for the photoassisted oxidation of dissolved species such as arsenic, iron, phosphorus and sulphur. Each aspect of the invention involves supplying to a solution including the species to be oxidised, an oxidant and a photoabsorber, and then irradiating...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	EMETT, MAREE THERESE, ROBINS, ROBERT G, KHOE, GING HAUW
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F INORGANIC CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	The invention relates to methods and processes for the photoassisted oxidation of dissolved species such as arsenic, iron, phosphorus and sulphur. Each aspect of the invention involves supplying to a solution including the species to be oxidised, an oxidant and a photoabsorber, and then irradiating the resultant solution with UV/electromagnetic radiation. The resulting oxidised species can then be subsequently treated, used and/or removed (e.g. through precipitation/co-precipitation).