Sludge fractionation as a method to study and predict fouling in MBR systems

Morten Lykkegaard Christensen, Wolfgang Niessen, Natalie Bøie Sørensen,Susan Hove Hansen,Mads Koustrup Jørgensen,Per Halkjær Nielsen

Separation and Purification Technology（2018）

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摘要

•Standard method for sludge fractionation.•External fouling mainly consists of colloidal particles.•External fouling reduces pore blocking/adsorption.•Sludge flocs reduce external fouling.•Operate MBR so strong flocs are formed with low amounts of colloids and solute polymers.

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关键词

Membrane bioreactors,Extracellular polymeric substances,Fouling,Scouring,Specific cake resistance

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