A METHOD AND SYSTEM FOR CONTROLLING HYDROPHOBIC CONDITIONS AND FOULING IN WATER INTENSIVE PROCESSES

A METHOD AND SYSTEM FOR CONTROLLING HYDROPHOBIC CONDITIONS AND FOULING IN WATER INTENSIVE PROCESSES

In a water treatment system, a pretreatment chemical is added to water stream in a pretreatment process including a coagulation, flocculation and separation to reduce amount of dissolved and/or particulate matter in the water stream. Hydrophobic conditions in the water stream are monitored upstream...

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Hauptverfasser: PIIRONEN, Marjatta, HESAMPOUR, Mehrdad, JOENSUU, Iiris, KORTE, Eija, ABINET, Roderick
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator PIIRONEN, Marjatta
HESAMPOUR, Mehrdad
JOENSUU, Iiris
KORTE, Eija
ABINET, Roderick
description In a water treatment system, a pretreatment chemical is added to water stream in a pretreatment process including a coagulation, flocculation and separation to reduce amount of dissolved and/or particulate matter in the water stream. Hydrophobic conditions in the water stream are monitored upstream or downstream from adding the pretreatment chemicals. Dosing of the pretreatment chemical to the water stream is controlled based on the monitored hydrophobic conditions. Thereby a membrane fouling in subsequent membrane filtration stage can be minimized.
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subjects CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title A METHOD AND SYSTEM FOR CONTROLLING HYDROPHOBIC CONDITIONS AND FOULING IN WATER INTENSIVE PROCESSES
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