RECYCLING METHOD OF ACID BACKWASHING WASTEWATER

PROBLEM TO BE SOLVED: To provide a means for reducing the running cost of a membrane filter device by achieving the recycling of backwashing wastewater produced at the time of backwashing. SOLUTION: Raw water, loaded with an inorganic flocculant of an iron type, an aluminum type or the like, is filt...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KAWASE YUJI, MIMA SATOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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