PREPARATION OF NANOFILTRATION MEMBRANES VIA UV PHOTO-GRAFTING TECHNIQUE FOR SEPARATION OF ACID DYES AT DIFFERENT PH VALUES

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AMINI MASOUD; ARAMI MOKHTAR; AKBARI AHMAD; MAHMOUDI N.M.

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Journal: JOURNAL OF COLOR SCIENCE AND TECHNOLOGY Year:2009 | Volume:2 | Issue:4 Page(s): 237-247

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Title

PREPARATION OF NANOFILTRATION MEMBRANES VIA UV PHOTO-GRAFTING TECHNIQUE FOR SEPARATION OF ACID DYES AT DIFFERENT PH VALUES

Author(s)

AMINI MASOUD | ARAMI MOKHTAR | AKBARI AHMAD | MAHMOUDI N.M. | Issue Writer Certificate

Keywords

NANOFILTRATIONQ2

UV PHOTO-GRAFTINGQ3

ACID DYEQ3

PHQ3

Abstract

The purpose of this work is to investigate the performance of NANOFILTRATION membrane for separation of ACID DYEs. Nanomembranes have been developed by UV PHotografting technique. Acrylic acid was used for the modification of polysulfone ultrafiltration membrane that prepared via wet PHase inversion method. The modified membrane characteristics were measured and the most suitable NANOFILTRATION membrane was chosen for treatment of dye effluents. It was observed that selected UV-photografted membrane showed acceptable performance both in terms of flux and rejection. ACID DYE retention was between 86 and 99.7% and hydraulic permeability was 7.6 L/m2 h bar. It was observed that increase of either dye molecular weight or dye charge leads to improve of dye separation that confirm the effectiveness of sieving and Donnan repulsion mechanism, respectively, in NANOFILTRATION membranes. The influence of PH on the performance of membrane in terms of permeability and dye retention was established. It was found that by changing the PH (3, 6 and 9), membrane surface and dye have different behaviors that influence the final performance of selected nanomembrane. According to results, PH=9 of dye bath provides the best condition for dye separation.

Cites

References

A NOVEL SEQUENTIAL PHOTOINDUCED LIVING GRAFT POLYMERIZATION

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APA: Copy

AMINI, MASOUD, ARAMI, MOKHTAR, AKBARI, AHMAD, & MAHMOUDI, N.M.. (2009). PREPARATION OF NANOFILTRATION MEMBRANES VIA UV PHOTO-GRAFTING TECHNIQUE FOR SEPARATION OF ACID DYES AT DIFFERENT PH VALUES. JOURNAL OF COLOR SCIENCE AND TECHNOLOGY, 2(4), 237-247. SID. https://sid.ir/paper/137334/en

Vancouver: Copy

AMINI MASOUD, ARAMI MOKHTAR, AKBARI AHMAD, MAHMOUDI N.M.. PREPARATION OF NANOFILTRATION MEMBRANES VIA UV PHOTO-GRAFTING TECHNIQUE FOR SEPARATION OF ACID DYES AT DIFFERENT PH VALUES. JOURNAL OF COLOR SCIENCE AND TECHNOLOGY[Internet]. 2009;2(4):237-247. Available from: https://sid.ir/paper/137334/en

IEEE: Copy

MASOUD AMINI, MOKHTAR ARAMI, AHMAD AKBARI, and N.M. MAHMOUDI, “PREPARATION OF NANOFILTRATION MEMBRANES VIA UV PHOTO-GRAFTING TECHNIQUE FOR SEPARATION OF ACID DYES AT DIFFERENT PH VALUES,” JOURNAL OF COLOR SCIENCE AND TECHNOLOGY, vol. 2, no. 4, pp. 237–247, 2009, [Online]. Available: https://sid.ir/paper/137334/en

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