Modelling of vacuum membrane distillation

A new method of measuring the properties of hollow fibre membranes for modelling purposes was developed. Measuring the gas permeability as a function of membrane length and extrapolating to zero length provided enough membrane material information for modelling the flux. These values resulted in the...

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Bibliographic Details
Published in:Journal of membrane science 2013-05, Vol.434, p.1-9
Main Authors: Zhang, Jianhua, Li, Jun-De, Duke, Mikel, Hoang, Manh, Xie, Zongli, Groth, Andrew, Tun, Chan, Gray, Stephen
Format: Article
Language:English
Subjects:
artificial membranes
Chemistry
Colloidal state and disperse state
distillation
evaporation
Exact sciences and technology
Gas permeation
General and physical chemistry
Hollow fibre membrane
mathematical models
Membrane distillation
Membranes
Modelling
permeability
prediction
temperature
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Summary:A new method of measuring the properties of hollow fibre membranes for modelling purposes was developed. Measuring the gas permeability as a function of membrane length and extrapolating to zero length provided enough membrane material information for modelling the flux. These values resulted in the predicted Vacuum Membrane Distillation (VMD) flux within the experimental errors (±5%) for different velocities. The predicted results at different temperatures were mostly within the experimental variation range. However, the error (
ISSN:0376-7388
1873-3123
DOI:10.1016/j.memsci.2013.01.048