Deposition of a polymeric porous superhydrophobic thin layer on the surface of poly(vinylidenefluoride) hollow fiber membrane

• Authors: A.L. Ahmad , H.N. Mohammed , B.S. Ooi , C.P. Leo
• Languages of publication: EN

Abstracts

EN

Porous superhydrophobic layer of low-density polyethylene (LDPE) was created by a simple approach on the Poly(vinylidenefluoride) (PVDF) hollow fiber membranes. Acetone and ethanol mixtures with different volume ratios were used as the non-solvent on the coating surface. A 5:1 (v/v) acetone/ethanol ratio provided a porous surface with a 152° ± 3.2 water contact angle. The high contact angle could reduce membrane wettability for better carbon dioxide capture when the membrane was used as gas-liquid contactor in absorption processes. To assess the effect of the created superhydrophobic layer, the pristine and modified membranes were tested in a CO2 absorption system for ten days. The results revealed that the absorption flux in the modified membrane was higher than that of pristine membrane.

Keywords

EN

Superhydrophobic layer; PVDF; Gas-liquid contactor; CO2; Porous

• Publisher: De Gruyter Open
• Journal: Polish Journal of Chemical Technology
• Year: 2013
• Volume: 15
• Issue: 3
• Pages: 1-6

Dates

published

1 - 09 - 2013

online

20 - 09 - 2013

Contributors

author

A.L. Ahmad

• University Sains Malaysia, School of Chemical Engineering, Engineering Campus, 14300 Nibong Tebal, Pulau Pinang, Malaysia

author

H.N. Mohammed

• University Sains Malaysia, School of Chemical Engineering, Engineering Campus, 14300 Nibong Tebal, Pulau Pinang, Malaysia
• Tikrit University, Chemical Engineering Department, Saladdin, Iraq

author

B.S. Ooi

• University Sains Malaysia, School of Chemical Engineering, Engineering Campus, 14300 Nibong Tebal, Pulau Pinang, Malaysia

author

C.P. Leo

• University Sains Malaysia, School of Chemical Engineering, Engineering Campus, 14300 Nibong Tebal, Pulau Pinang, Malaysia

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Identifiers

DOI

10.2478/pjct-2013-0036