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2 results on '"Jansen, Johannes C."'

1. Characteristics and performance of a 'universal' membrane suitable for gas separation, pervaporation, and nanofiltration

Author

Van Der Bruggen, Bart, Jansen, Johannes C., Figoli, Alberto, Geens, Jeroen, Boussu, Katleen, and Drioli, Enrico

Subjects
Membranes (Technology) -- Research, Hydrophobic effect -- Analysis, Gases -- Separation, Gases -- Analysis, Chemicals, plastics and rubber industries
Abstract

The performance of a given membrane in gas separation, nanofiltration and pervaporation is found to be interplay between the thickness of the top layer, steric hindrance during transport and is indirectly determined by effects of hydrophobicity/hydrophilicity. The results have shown that multifunctional membranes would rapidly gain importance in view of the flexibility of processes and the robustness of the separation.

Published
2006

2. Determination of parameters affecting transport in polymeric membranes: parallels between pervaporation and nanofiltration

Author

Bruggen, Bart Van der, Jansen, Johannes C., Figoli, Alberto, Geens, Jeron, Baelen, Dimitri Van, Drivoli, Enrico, Vandercasteele, Carlo, and Minhua Jiang

Subjects
Polymers -- Research, Membranes (Biology) -- Research, Chemistry, Physical and theoretical -- Research, Chemicals, plastics and rubber industries
Abstract

A study was conducted on the differences on structure and transport mechanisms of nanofiltration (NF) and pervaporation (PV) membranes by measuring water and ethanol fluxes and raffinose rejections, water and ethanol fluxes and water/ethanol-n-propanol separation factors, and gas and vapor (water, ethanol) permeance with the same membrane sequence.

Published
2004

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