PREPARATION OF POLYSULPHONE ULTRAFILTRATION MEMBRANES FOR MILK CONCENTRATION:
EFFECT OF ADDITIVES ON MORPHOLOGY AND PERFORMANCE

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MADAENI S.S.; RAHIM POUR AHMAD; BARZIN J.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: Iranian Polymer Journal Year:2005 | Volume:14 | Issue:5 (59) Page(s): 421-428

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Information Journal Paper

Title

PREPARATION OF POLYSULPHONE ULTRAFILTRATION MEMBRANES FOR MILK CONCENTRATION: EFFECT OF ADDITIVES ON MORPHOLOGY AND PERFORMANCE

Author(s)

MADAENI S.S. | RAHIM POUR AHMAD | BARZIN J. | Issue Writer Certificate

Keywords

MEMBRANE

ULTRAFILTRATION

POLYSULPHONE

PHASE INVERSION

MILK

Abstract

In this study, POLYSULPHONE (PS) MEMBRANEs were prepared from quaternary systems containing N,N´-dimethylacetamide (DMAc) as solvent, polyvinylpyrrolidone (PVP) as constant additive and acetic acid, acetone and formamide as variable additives. PHASE INVERSION via immersion precipitation was employed for manufacturing of MEMBRANEs. The prepared films were immersed in the mixture of pure water and 2-propanol (30/70 vol %) as non-solvent. The morphology and performance of the prepared MEMBRANEs were investigated by scanning electron microscopy (SEM) and separation experiments using MILK as the feed. The porosity of the prepared MEMBRANE was slightly increased with addition of acetic acid due to faster exchange rate between solvent and non-solvent. This would result in a minor increase in flux. The presence of acetone and formamide in the casting solution declined the flux due to formation of MEMBRANEs with denser skin layers. Evaporation and delay demixing are responsible for tighter MEMBRANE structures in the case of addition of acetone and formamide, respectively.

Cites

PREPARATION OF NANOPOROUS POLY (VINYLIDENE FLUORIDE) MEMBRANE AND CONSIDERATION OF ITS PERFORMANCE

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APA: Copy

MADAENI, S.S., RAHIM POUR, AHMAD, & BARZIN, J.. (2005). PREPARATION OF POLYSULPHONE ULTRAFILTRATION MEMBRANES FOR MILK CONCENTRATION: EFFECT OF ADDITIVES ON MORPHOLOGY AND PERFORMANCE . IRANIAN POLYMER JOURNAL (ENGLISH), 14(5 (59)), 421-428. SID. https://sid.ir/paper/527953/en

Vancouver: Copy

MADAENI S.S., RAHIM POUR AHMAD, BARZIN J.. PREPARATION OF POLYSULPHONE ULTRAFILTRATION MEMBRANES FOR MILK CONCENTRATION: EFFECT OF ADDITIVES ON MORPHOLOGY AND PERFORMANCE . IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2005;14(5 (59)):421-428. Available from: https://sid.ir/paper/527953/en

IEEE: Copy

S.S. MADAENI, AHMAD RAHIM POUR, and J. BARZIN, “PREPARATION OF POLYSULPHONE ULTRAFILTRATION MEMBRANES FOR MILK CONCENTRATION: EFFECT OF ADDITIVES ON MORPHOLOGY AND PERFORMANCE ,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 14, no. 5 (59), pp. 421–428, 2005, [Online]. Available: https://sid.ir/paper/527953/en

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