Wastewater treatment method and wastewater treatment device

Provided are a wastewater treatment method and a wastewater treatment device for removing selenium having a valence of 0, 4, and 6 as well as selenium having a valence of -2, and reliably and easily removing selenium considered to be a hazardous substance from wastewater. A wastewater treatment meth...

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Bibliographische Detailangaben
1. Verfasser:	Chiyomaru, Masaru
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY 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:	Provided are a wastewater treatment method and a wastewater treatment device for removing selenium having a valence of 0, 4, and 6 as well as selenium having a valence of -2, and reliably and easily removing selenium considered to be a hazardous substance from wastewater. A wastewater treatment method and a wastewater treatment device for treating selenium-containing wastewater in which selenium having a valence of -2 contained in the wastewater is oxidized using an oxidation agent or removed using a removal agent.