STUDY ON THE FOULING BEHAVIOR OF POLYETHYLENE AND SILICA NANOPARTICLES MIXED MATRIX MEMBRANES IN FILTRATION OF HUMIC ACID SOLUTION

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AKBARI ALI; YEGANI REZA; Pourabas Behzad; HAMEDI SANGARI HASAN

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Journal: Iranian Journal of Polymer Science and Technology Year:2016 | Volume:29 | Issue:4 Page(s): 347-363

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Title

STUDY ON THE FOULING BEHAVIOR OF POLYETHYLENE AND SILICA NANOPARTICLES MIXED MATRIX MEMBRANES IN FILTRATION OF HUMIC ACID SOLUTION

Author(s)

AKBARI ALI | YEGANI REZA | Pourabas Behzad | HAMEDI SANGARI HASAN | Issue Writer Certificate

Keywords

POLYETHYLENE MIXED MATRIX MEMBRANEQ1

SILICA NANOPARTICLESQ1

FILTRATIONQ1

HUMIC ACID SOLUTIONQ1

FOULINGQ3

Abstract

Because most contaminants in water create strong interactions with hydrophobic surfaces, there are usually problems such as flux decline and pore blocking in polyethylene (PE) membranes due to irreversible adsorption of foulantson their intrinsic hydrophobic surface. Therefore, in this work, attempts were made to improve the properties of PE membranes in terms of water flux and membranefouling resistance by dispersion of SILICA NANOPARTICLES (NPs). First, NPs were synthesized by sol-gel method at two concentrations of ammonia (0.5 and 1 mol/L).The synthesized NPs with smaller size were used to fabricate the mixed matrix PEmembranes containing 0, 0.5, 1 and 2 wt% NPs. FE-SEM and EDX analyses wereemployed to evaluate the morphology and structure of the fabricated membranes andconfirmed the presence of NPs in the membranes matrix. The results of pure water flux test revealed that the membrane containing 1 wt% NPs displayed the maximumflux of 30 L/m 2.h. Furthermore, the performance and FOULING behaviors of membranesduring FILTRATION of HUMIC ACID SOLUTION, one of the most important contaminants of water resources, were studied using a classical FOULING model. FOULING mechanism analysis showed that for neat and NPs-embedded membranes containing 0.5 and 2wt% NPs, the best fit of the data was obtained by cake layer formation as well as the intermediate blocking mechanisms. However, the best fit of the experimental data of NPs-embedded membrane containing 1 wt% occurred with only cake layerformation mechanism. The investigation on membrane FOULING resistance showed that1 wt% NPs-embedded membrane displayed 58% maximum flux recovery and 52%reversibility to total FOULING ratio, respectively

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APA: Copy

AKBARI, ALI, YEGANI, REZA, Pourabas, Behzad, & HAMEDI SANGARI, HASAN. (2016). STUDY ON THE FOULING BEHAVIOR OF POLYETHYLENE AND SILICA NANOPARTICLES MIXED MATRIX MEMBRANES IN FILTRATION OF HUMIC ACID SOLUTION. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 29(4), 347-363. SID. https://sid.ir/paper/6581/en

Vancouver: Copy

AKBARI ALI, YEGANI REZA, Pourabas Behzad, HAMEDI SANGARI HASAN. STUDY ON THE FOULING BEHAVIOR OF POLYETHYLENE AND SILICA NANOPARTICLES MIXED MATRIX MEMBRANES IN FILTRATION OF HUMIC ACID SOLUTION. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2016;29(4):347-363. Available from: https://sid.ir/paper/6581/en

IEEE: Copy

ALI AKBARI, REZA YEGANI, Behzad Pourabas, and HASAN HAMEDI SANGARI, “STUDY ON THE FOULING BEHAVIOR OF POLYETHYLENE AND SILICA NANOPARTICLES MIXED MATRIX MEMBRANES IN FILTRATION OF HUMIC ACID SOLUTION,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 29, no. 4, pp. 347–363, 2016, [Online]. Available: https://sid.ir/paper/6581/en

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