Membrane bioreactor with gas lift system

An apparatus is described for treating polluted water. The apparatus comprises a supply system for polluted water; an activated-sludge reactor; one or more filter membrane modules; an air supply system and a discharge system for the treated water. The filter membrane modules comprise hollow membrane...

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Bibliographische Detailangaben
Hauptverfasser:	REKERS, CASPER J. N
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY BEER BIOCHEMISTRY CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY ENZYMOLOGY METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SPIRITS THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE VINEGAR WINE
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Beschreibung
Zusammenfassung:	An apparatus is described for treating polluted water. The apparatus comprises a supply system for polluted water; an activated-sludge reactor; one or more filter membrane modules; an air supply system and a discharge system for the treated water. The filter membrane modules comprise hollow membranes within a casing. Said filter membrane modules on one side adjoin the activated-sludge reactor and on the other side adjoin air distribution means. The activated-sludge reactor communicates, via a bypass line, with a sludge receiving container which adjoins the air distribution means. The apparatus functions in such a way that the water to be treated and air supplied are flowing in the same direction through the hollow membranes, the permeate flowing through the membranes towards the space between the casing and the membranes, where it is discharged via permeate discharge system.