ANVENDELSE AF AKTIVT KUL I MEMBRANBIOREAKTOR

A membrane bioreactor (MBR) has membranes comprising a supporting structure. A supply unit doses a sorbent such as powdered activated carbon (PAC) into the MBR. The PAC is maintained at a concentration in the mixed liquor of 200 mg/L or more. Mixed liquor with the sorbent particles recirculates with...

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Bibliographische Detailangaben
Hauptverfasser:	WANG, Lei, ZHOU, Ying, PEETERS, Jeffrey Gerard, WANG, Sijing, ADAMS, Nicholas William H, SYED, Wajahat Hussain
Format:	Patent
Sprache:	dan
Schlagworte:	CHEMISTRY METALLURGY TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	A membrane bioreactor (MBR) has membranes comprising a supporting structure. A supply unit doses a sorbent such as powdered activated carbon (PAC) into the MBR. The PAC is maintained at a concentration in the mixed liquor of 200 mg/L or more. Mixed liquor with the sorbent particles recirculates within the MBR at a flow rate of at least twice the feed flow rate. Air bubbles are provided to scour the membranes including during at least part of a permeation step. The sorbent particles are present in the mixed liquor and contact the membranes. Bioaugmentation products may be immobilized on PAC or other carriers and then added to an MBR or other bioreactors.