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IJCT Vol.15(3) [May 2008] >


Title: Recovery of acetic acid by supported liquid membrane using vegetable oils as liquid membrane
Authors: Narayanan, Janani
Palanivelu, K
Keywords: Supported liquid membrane
Acetic acid recovery
Vegetable oils
Issue Date: May-2008
Publisher: CSIR
Abstract: An attempt has been made to recover acetic acid from aqueous solutions using supported liquid membrane (SLM) technique. A flat sheet polytetrafluoroethylene (PTFE) supported membrane impregnated with vegetable oils was tested for transport of acetic acid. The permeation of acetic acid was studied by varying the experimental conditions namely strength of stripping phase, stirring speed and selection of LM. The oils tested for acetic acid transport included sunflower oil, coconut oil, palm oil and peanut oil, among which, sunflower oil gave best results with permeability of 2.86 x 10⁻² m/s against a stripping solution of strength 0.1 N. After 4 h, 100% transport of acetic acid of initial concentration 0. 01 M was observed.
Page(s): 266-270
ISSN: 0971–457X
Source:IJCT Vol.15(3) [May 2008]

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