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, said filtration system comprising: a hydraulic circuit Cp recycling the permeate stream to the feed side of said membrane and/or a hydraulic circuit Cr recycling the retentate stream to the feed side of said me...

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Hauptverfasser: Anfray, Jérôme, Delaplace, Pierre, Pedenaud, Pierre, Skivington, Graeme, Delaplace, Thomas
Format: Patent
Sprache:eng
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PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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creator Anfray, Jérôme
Delaplace, Pierre
Pedenaud, Pierre
Skivington, Graeme
Delaplace, Thomas
description The present invention concerns a method for cleaning a filtration system under operation, said filtration system comprising: a hydraulic circuit Cp recycling the permeate stream to the feed side of said membrane and/or a hydraulic circuit Cr recycling the retentate stream to the feed side of said membrane, said method comprising: 1) injecting an amount of a chemical product into the filtration system which is under operation in said hydraulic circuit Cp or in said a hydraulic circuit Cr or upstream of said cross-flow filtration membrane, 2) 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 PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
title Cleaning method of a water-filtration system under operation
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