Membrane filtration device for studying compression of fouling layers in membrane bioreactors.

ABSTRACT: A filtration devise was developed to assess compressibility of fouling layers in membrane bioreactors. The system consists of a flat sheet membrane with air scouring operated at constant transmembrane pressure to assess the influence of pressure on resistance of fouling layers. By fitting a mathematical model, three model parameters were obtained; a back transport parameter describing the kinetics of fouling layer formation, a specific fouling layer resistance, and a compressibility parameter. This stands out from other on-site filterability tests as model parameters to simulate filtration performance are obtained together with a characterization of compressibility. Tests on membrane bioreactor sludge showed high reproducibility. The methodology's ability to assess compressibility was test

SUBMITTER: Jorgensen MK 

PROVIDER: S-EPMC5531554 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature