CLEANING METHOD OF A WATER-FILTRATION SYSTEM UNDER OPERATION

CLEANING METHOD OF A WATER-FILTRATION SYSTEM UNDER OPERATION

The present invention concerns a method for cleaning a filtration system under operation. The filtration system comprising a hydraulic circuit Cp recycling the permeate stream to the feed side of the membrane and/or a hydraulic circuit Cr recycling the retentate stream to the feed side of said membr...

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Hauptverfasser: SKIVINGTON, Graeme, ANFRAY, Jérôme, PEDENAUD, Pierre, DELAPLACE, Thomas
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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creator SKIVINGTON, Graeme
ANFRAY, Jérôme
PEDENAUD, Pierre
DELAPLACE, Thomas
description The present invention concerns a method for cleaning a filtration system under operation. The filtration system comprising a hydraulic circuit Cp recycling the permeate stream to the feed side of the membrane and/or a hydraulic circuit Cr recycling the retentate stream to the feed side of said membrane. The method comprises injecting an amount of a chemical product into the filtration system in the hydraulic circuit Cp or in the hydraulic circuit Cr or upstream of the cross-flow filtration membrane, setting the proportion of recycled permeate stream or recycled retentate stream collected in the hydraulic circuit Cp and/or Cr to enable the recycling of a significant amount of unreacted chemical product having passed through said cross-flow filtration membrane to the feed side of said cross-flow filtration membrane, as well as a filtration system for carrying out said method.
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subjects CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title CLEANING METHOD OF A WATER-FILTRATION SYSTEM UNDER OPERATION
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