TREATMENT OF WASTEWATER WITH BIOREFRACTORY COMPOUNDS SUCH AS PULP MILL WASTEWATER

In a system and process described herein, wastewater such as pulp mill wastewater is treated with a membrane bioreactor (MBR) or another biological process coupled with tertiary filtration. An intermediate filtrate such as permeate from the membrane bioreactor is then treated with a tight ultrafiltr...

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Hauptverfasser:	BAUMGARTEN, Sven, CANADA GARCIA, Pablo, DIPOFI, Moreno
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY METALLURGY TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator	BAUMGARTEN, Sven CANADA GARCIA, Pablo DIPOFI, Moreno
description	In a system and process described herein, wastewater such as pulp mill wastewater is treated with a membrane bioreactor (MBR) or another biological process coupled with tertiary filtration. An intermediate filtrate such as permeate from the membrane bioreactor is then treated with a tight ultrafiltration membrane optionally having a molecular weight cut-off of 500-4,500 Da on polyethylene glycol. Optionally, concentrate from the ultrafiltration membrane is sent to a black liquor evaporator of the pulp mill.
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subjects	CHEMISTRY METALLURGY TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title	TREATMENT OF WASTEWATER WITH BIOREFRACTORY COMPOUNDS SUCH AS PULP MILL WASTEWATER
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