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I am a young lecturer at Universitas Syiah Kuala Banda Aceh Indonesia. My research field is wastewater and water treatment with focus in membrane technology
This study reports the development of bio-based adsorbent by utilizing coffee endocarp (CE) waste as a raw material for lead (Pb) removal from liquid wastewater. The effect of NaOH and HCl as activation precursors on the characteristics and performance of the resulting adsorbents was investigated. The prepared adsorbents were characterized using scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), X-ray fluorescence (XRF) and Surface Area Analyzer (SAA). The characterization results confirm the positive role of the activation by either NaOH or HCl in enhancing the surface properties of the resulting adsorbents. The chemical activations removed most of impurities leading to smoother surface, pore size enlargement and enhanced surface area to pore volume ratio, which result in an enhanced adsorption capacity and Pb removal efficiency. The raw adsorbent shows 57.7% of Pb removal efficiency and sorption capacity of 174.4 mg/g. On the other hand, after the chemical treatment using HCl and NaOH, the Pb removal efficiencies increased up to 63.9% and 89.86%, with adsorption capacity of 193 and 271.58 mg/g, respectively. Though both activated sorbents demonstrate better adsorption performance compared to the non-activated CE, overall results reveal that the NaOH-activated sorbent offers better characteristic and performance than the HCl-activated sorbent.
Mariana Mariana; Farid Mulana; Lisa Juniar; Dinda Fathira; Risna Safitri; Syawaliah Muchtar; Muhammad Bilad; Amir Shariff; Nurul Huda. Development of Biosorbent Derived from the Endocarp Waste of Gayo Coffee for Lead Removal in Liquid Wastewater—Effects of Chemical Activators. Sustainability 2021, 13, 3050 .
AMA StyleMariana Mariana, Farid Mulana, Lisa Juniar, Dinda Fathira, Risna Safitri, Syawaliah Muchtar, Muhammad Bilad, Amir Shariff, Nurul Huda. Development of Biosorbent Derived from the Endocarp Waste of Gayo Coffee for Lead Removal in Liquid Wastewater—Effects of Chemical Activators. Sustainability. 2021; 13 (6):3050.
Chicago/Turabian StyleMariana Mariana; Farid Mulana; Lisa Juniar; Dinda Fathira; Risna Safitri; Syawaliah Muchtar; Muhammad Bilad; Amir Shariff; Nurul Huda. 2021. "Development of Biosorbent Derived from the Endocarp Waste of Gayo Coffee for Lead Removal in Liquid Wastewater—Effects of Chemical Activators." Sustainability 13, no. 6: 3050.
Polydopamine has been widely used as an additive to enhance membrane fouling resistance. This study reports the effects of two-step dopamine-to-polydopamine modification on the permeation, antifouling, and potential anti-UV properties of polyethersulfone (PES)-based ultrafiltration membranes. The modification was performed through a two-step mechanism: adding the dopamine additive followed by immersion into Tris-HCl solution to allow polymerization of dopamine into polydopamine (PDA). The results reveal that the step of treatment, the concentration of dopamine in the first step, and the duration of dipping in the Tris solution in the second step affect the properties of the resulting membranes. Higher dopamine loadings improve the pure water flux (PWF) by more than threefold (15 vs. 50 L/m2·h). The extended dipping period in the Tris alkaline buffer leads to an overgrowth of the PDA layer that partly covers the surface pores which lowers the PWF. The presence of dopamine or polydopamine enhances the hydrophilicity due to the enrichment of hydrophilic catechol moieties which leads to better anti-fouling. Moreover, the polydopamine film also improves the membrane resistance to UV irradiation by minimizing photodegradation’s occurrence.
Sri Mulyati; Syawaliah Muchtar; Nasrul Arahman; Yanna Syamsuddin; Normi Izati Mat Nawi; Noorfidza Yub Harun; Muhammad Roil Bilad; Yuliar Firdaus; Ryosuke Takagi; Hideto Matsuyama. Two-Step Dopamine-to-Polydopamine Modification of Polyethersulfone Ultrafiltration Membrane for Enhancing Anti-Fouling and Ultraviolet Resistant Properties. Polymers 2020, 12, 2051 .
AMA StyleSri Mulyati, Syawaliah Muchtar, Nasrul Arahman, Yanna Syamsuddin, Normi Izati Mat Nawi, Noorfidza Yub Harun, Muhammad Roil Bilad, Yuliar Firdaus, Ryosuke Takagi, Hideto Matsuyama. Two-Step Dopamine-to-Polydopamine Modification of Polyethersulfone Ultrafiltration Membrane for Enhancing Anti-Fouling and Ultraviolet Resistant Properties. Polymers. 2020; 12 (9):2051.
Chicago/Turabian StyleSri Mulyati; Syawaliah Muchtar; Nasrul Arahman; Yanna Syamsuddin; Normi Izati Mat Nawi; Noorfidza Yub Harun; Muhammad Roil Bilad; Yuliar Firdaus; Ryosuke Takagi; Hideto Matsuyama. 2020. "Two-Step Dopamine-to-Polydopamine Modification of Polyethersulfone Ultrafiltration Membrane for Enhancing Anti-Fouling and Ultraviolet Resistant Properties." Polymers 12, no. 9: 2051.
This paper reports the fabrication of polyethersulfone membranes via in situ hydrogen peroxide-assisted polymerization of dopamine. The dopamine and hydrogen peroxide were introduced into the dope solution where the polymerization occurred, resulting in a single-step additive formation during membrane fabrication. The effectivity of modification was evaluated through characterizations of the resulting membranes in terms of chemical functional groups, surface morphology, porosity, contact angle, mechanical strength and filtration of humic acid solution. The results confirm that the polydopamine was formed during the dope solution mixing through peroxide-assisted polymerization as proven by the appearance of peaks associated OH and NH groups in the resulting membranes. The presence of polydopamine residual in the membrane matric enhances the pore properties in terms of size and porosity (by a factor of 10), and by lowering the hydrophilicity (from 69° to 53°) which leads to enhanced filtration flux of up to 217 L/m2 h. The presence of the residual polydopamine also enhances membrane surface hydrophilicity which improve the antifouling properties as shown from the flux recovery ratio of > 80%.
Sri Mulyati; Syawaliah Muchtar; Nasrul Arahman; Friska Meirisa; Yanna Syamsuddin; Zuhra Zuhra; Cut Meurah Rosnelly; Norazanita Shamsuddin; Normi Izati Mat Nawi; Mohd Dzul Hakim Wirzal; Muhammad Roil Bilad; Ryosuke Takagi; Hideto Matsuyama. One-Pot Polymerization of Dopamine as an Additive to Enhance Permeability and Antifouling Properties of Polyethersulfone Membrane. Polymers 2020, 12, 1807 .
AMA StyleSri Mulyati, Syawaliah Muchtar, Nasrul Arahman, Friska Meirisa, Yanna Syamsuddin, Zuhra Zuhra, Cut Meurah Rosnelly, Norazanita Shamsuddin, Normi Izati Mat Nawi, Mohd Dzul Hakim Wirzal, Muhammad Roil Bilad, Ryosuke Takagi, Hideto Matsuyama. One-Pot Polymerization of Dopamine as an Additive to Enhance Permeability and Antifouling Properties of Polyethersulfone Membrane. Polymers. 2020; 12 (8):1807.
Chicago/Turabian StyleSri Mulyati; Syawaliah Muchtar; Nasrul Arahman; Friska Meirisa; Yanna Syamsuddin; Zuhra Zuhra; Cut Meurah Rosnelly; Norazanita Shamsuddin; Normi Izati Mat Nawi; Mohd Dzul Hakim Wirzal; Muhammad Roil Bilad; Ryosuke Takagi; Hideto Matsuyama. 2020. "One-Pot Polymerization of Dopamine as an Additive to Enhance Permeability and Antifouling Properties of Polyethersulfone Membrane." Polymers 12, no. 8: 1807.
Manganese (Mn) is one of the most abundant metal in the soil. The presence of this metal is essentially needed by living things for the formation of cartilage and bone as well as driving various enzymes. However, in excessive amounts, the metal can cause disruption of the central nervous system. In this study, the removal of Mn was carried out by the adsorption process using zeolite adsorbent. Effects of contact time, pH of sample (2, 3, 4, 5, 6, 7, 8, and 9) and dosage of adsorbent (1; 1,5; 2; 2,5; 3; 3,5; 4; 4,5 and 5 g) were evaluated. The optimal conditions were obtained under operating conditions of 100 minutes contact time, 7 and 9 pH of the sample, and 5 g dosage of adsorbent. The adsorption process was able to reduce Mn metal up to 79.52%. The initial concentration of Mn sample was 5 g/L and the concentration of effluent after the adsorption process reduced to 1,024 g/L. The adsorption process resulted in a significant reduction of Mn level. However, the final result of the process shows the level of Mn that still exceeds the limit permitted by KEPMENKES No. 907/MENKES/SK/VII/2002 of 0.1 mg/L.
Y Syamsuddin; Zulfikar; F Meirisa; S Muchtar; A Ambarita; S Mulyati; Suraiya; C M Rosnelly; N Arahman. Effect of operating conditions on the efficiency of adsorption of Manganese (Mn) metals using Nano Zeolite adsorbents. IOP Conference Series: Materials Science and Engineering 2020, 845, 012029 .
AMA StyleY Syamsuddin, Zulfikar, F Meirisa, S Muchtar, A Ambarita, S Mulyati, Suraiya, C M Rosnelly, N Arahman. Effect of operating conditions on the efficiency of adsorption of Manganese (Mn) metals using Nano Zeolite adsorbents. IOP Conference Series: Materials Science and Engineering. 2020; 845 (1):012029.
Chicago/Turabian StyleY Syamsuddin; Zulfikar; F Meirisa; S Muchtar; A Ambarita; S Mulyati; Suraiya; C M Rosnelly; N Arahman. 2020. "Effect of operating conditions on the efficiency of adsorption of Manganese (Mn) metals using Nano Zeolite adsorbents." IOP Conference Series: Materials Science and Engineering 845, no. 1: 012029.
S Mawarni; F Meirisa; S Muchtar; M Y Wahab; S Mulyati; Suraiya; C M Rosnelly; Sofyana; Y Syamsuddin; N Arahman. Evaluation on the UV-Shielding Performance of Self-polymerized Dopamine-blended Membrane. IOP Conference Series: Materials Science and Engineering 2020, 845, 1 .
AMA StyleS Mawarni, F Meirisa, S Muchtar, M Y Wahab, S Mulyati, Suraiya, C M Rosnelly, Sofyana, Y Syamsuddin, N Arahman. Evaluation on the UV-Shielding Performance of Self-polymerized Dopamine-blended Membrane. IOP Conference Series: Materials Science and Engineering. 2020; 845 ():1.
Chicago/Turabian StyleS Mawarni; F Meirisa; S Muchtar; M Y Wahab; S Mulyati; Suraiya; C M Rosnelly; Sofyana; Y Syamsuddin; N Arahman. 2020. "Evaluation on the UV-Shielding Performance of Self-polymerized Dopamine-blended Membrane." IOP Conference Series: Materials Science and Engineering 845, no. : 1.
This paper reports the application of silica derived from natural biomasses of rice husk and bagasse ashes as membrane modifying agents. The modification was conducted on poly(ether sulfone) (PES) membrane by blending the silica into the dope solution. The modification was aimed to improve the structure and hydraulic performance of the resulting PES membrane. The effects of silica addition to the membrane system were evaluated through the analysis of change in chemical structure using ATR-FTIR, surface morphological change using AFM, and surface hydrophilicity using water contact angle measurement. SEM and AFM images show the silica loading significantly affects the membranes morphologies. Silica loading also promotes hydrophilic property as shown by the decrease in water contact angles from 82° to 52–60° due to the presence of polar groups in some residual silica in the membrane matrix. Silica blending also leads to the formation of membranes with higher permeability of up to three folds but lower humic acid rejection (78–62%). The findings indicate the role of silica to enhance the membrane pore size. The ability of membrane to reject humic acid (of 0.8 nm minimum diameter) indicating that the resulting membranes were in between tight ultrafiltration and nanofiltration type. Nonetheless, applying too-high silica concentration decreased the humic acid rejection most likely due to over enlargement of the membrane pore size.
Sri Mulyati; Syawaliah Muchtar; Mukramah Yusuf; Nasrul Arahman; Sofyana Sofyana; Cut Meurah Rosnelly; Umi Fathanah; Ryosuke Takagi; Hideto Matsuyama; Norazanita Shamsuddin; Muhammad Roil Bilad. Production of High Flux Poly(Ether Sulfone) Membrane Using Silica Additive Extracted from Natural Resource. Membranes 2020, 10, 17 .
AMA StyleSri Mulyati, Syawaliah Muchtar, Mukramah Yusuf, Nasrul Arahman, Sofyana Sofyana, Cut Meurah Rosnelly, Umi Fathanah, Ryosuke Takagi, Hideto Matsuyama, Norazanita Shamsuddin, Muhammad Roil Bilad. Production of High Flux Poly(Ether Sulfone) Membrane Using Silica Additive Extracted from Natural Resource. Membranes. 2020; 10 (1):17.
Chicago/Turabian StyleSri Mulyati; Syawaliah Muchtar; Mukramah Yusuf; Nasrul Arahman; Sofyana Sofyana; Cut Meurah Rosnelly; Umi Fathanah; Ryosuke Takagi; Hideto Matsuyama; Norazanita Shamsuddin; Muhammad Roil Bilad. 2020. "Production of High Flux Poly(Ether Sulfone) Membrane Using Silica Additive Extracted from Natural Resource." Membranes 10, no. 1: 17.
F Meirisa; S Muchtar; N Arahman; S Mulyati. Fouling resistance study of poly (ether sulfone) ultrafiltration membrane which in-situ polymerized with polydopamine. Journal of Physics: Conference Series 2019, 1402, 1 .
AMA StyleF Meirisa, S Muchtar, N Arahman, S Mulyati. Fouling resistance study of poly (ether sulfone) ultrafiltration membrane which in-situ polymerized with polydopamine. Journal of Physics: Conference Series. 2019; 1402 ():1.
Chicago/Turabian StyleF Meirisa; S Muchtar; N Arahman; S Mulyati. 2019. "Fouling resistance study of poly (ether sulfone) ultrafiltration membrane which in-situ polymerized with polydopamine." Journal of Physics: Conference Series 1402, no. : 1.
The removal of impurities from water or wastewater by the membrane filtration process has become more reliable due to good hydraulic performance and high permeate quality. The filterability of the membrane can be improved by having a material with a specific pore structure and good hydrophilic properties. This work aims at preparing a polyvinylidene fluoride (PVDF) membrane incorporated with phospholipid in the form of a 2-methacryloyloxyethyl phosphorylcholine, polymeric additive in the form of polyvinylpyrrolidone, and its combination with inorganic nanosilica from a renewable source derived from bagasse. The resulting membrane morphologies were analyzed by using scanning electron microscopy. Furthermore, atomic force microscopy was performed to analyze the membrane surface roughness. The chemical compositions of the resulting membranes were identified using Fourier transform infrared. A lab-scale cross-flow filtration system module was used to evaluate the membrane’s hydraulic and separation performance by the filtration of humic acid (HA) solution as the model contaminant. Results showed that the additives improved the membrane surface hydrophilicity. All modified membranes also showed up to five times higher water permeability than the pristine PVDF, thanks to the improved structure. Additionally, all membrane samples showed HA rejections of 75–90%.
Nasrul Arahman; Sri Mulyati; Afrillia Fahrina; Syawaliah Muchtar; Mukramah Yusuf; Ryosuke Takagi; Hideto Matsuyama; Nik Abdul Hadi Nordin; Muhammad Roil Bilad. Improving Water Permeability of Hydrophilic PVDF Membrane Prepared via Blending with Organic and Inorganic Additives for Humic Acid Separation. Molecules 2019, 24, 4099 .
AMA StyleNasrul Arahman, Sri Mulyati, Afrillia Fahrina, Syawaliah Muchtar, Mukramah Yusuf, Ryosuke Takagi, Hideto Matsuyama, Nik Abdul Hadi Nordin, Muhammad Roil Bilad. Improving Water Permeability of Hydrophilic PVDF Membrane Prepared via Blending with Organic and Inorganic Additives for Humic Acid Separation. Molecules. 2019; 24 (22):4099.
Chicago/Turabian StyleNasrul Arahman; Sri Mulyati; Afrillia Fahrina; Syawaliah Muchtar; Mukramah Yusuf; Ryosuke Takagi; Hideto Matsuyama; Nik Abdul Hadi Nordin; Muhammad Roil Bilad. 2019. "Improving Water Permeability of Hydrophilic PVDF Membrane Prepared via Blending with Organic and Inorganic Additives for Humic Acid Separation." Molecules 24, no. 22: 4099.
Generally, Acehnese use asam sunti as a spice in cooking. Asam sunti is made from dried belimbing wuluh (Averrhoa bilimbi Linn), it has a flat shape with brownish colour. To increase the aesthetic value, ease of storage, and maintain its quality, asam sunti is produced in powder form. The quality of asam sunti is determined from several parameters such as water content, ash content and oxalic acid content. The powdered asam sunti was prepared by using Tray and Spray Dryer. The effects of temperature and duration of drying on the quality of asam sunti have been studied. Aesthetically, it is seen that the powdered asam sunti has better appearance than that of the original form. The water, ash and oxalic acid contents in the powdered asam sunti dried using a spray dryer was lower than that of dried by tray dryer. The optimum temperature was obtained at 80 °C. The optimum drying time were 45 minutes and 3 hours for spray and tray dryer, respectively. Water, ash and oxalic acid contents in optimum condition with tray dryer were 49.7%, 26.3% and 10.4%, consecutively. Meanwhile, by using spray dryer, the product has higher quality in terms of water content (4.7%), ash content (14.25%) and oxalic acid level (9.48%).
S Mulyati; F A Pramesthy; F Meutia; A Rinaldi; S M Siregar; S Muchtar. Effects of temperature and duration of drying on the quality of powdered Asam sunti. IOP Conference Series: Materials Science and Engineering 2019, 523, 012025 .
AMA StyleS Mulyati, F A Pramesthy, F Meutia, A Rinaldi, S M Siregar, S Muchtar. Effects of temperature and duration of drying on the quality of powdered Asam sunti. IOP Conference Series: Materials Science and Engineering. 2019; 523 (1):012025.
Chicago/Turabian StyleS Mulyati; F A Pramesthy; F Meutia; A Rinaldi; S M Siregar; S Muchtar. 2019. "Effects of temperature and duration of drying on the quality of powdered Asam sunti." IOP Conference Series: Materials Science and Engineering 523, no. 1: 012025.
This paper discusses about the influence of polydopamine layer in enhancing UV resistance of PVDF membrane for membrane photocatalytic reactor application. The PVDF membrane was prepared by common NIPS method using DMAc as a solvent and PEG as a pore-forming additive. The polydopamine layer was deposited on the membrane surface by the facile dip-coating method through Tris-buffered dopamine polymerization. The UV-shielding effect of PDA layer was studied by comparing the changes in pure and PDA coated membrane coating before and after UV irradiation. The studied effects are in terms of changes in chemical, morphological structure and mechanical properties which observed by means of ATR-FTIR, FESEM instrumental analysis, and tensile measurement, respectively. The IR analysis showed that after PDA coating, the membrane surface is rich of catecholamine groups which greatly contributed as free radical scavengers. The change in chemical structure was seen on pure membrane which attributed to the rearrangement of polymer chemical structure caused by UV-induced photodegradation. FESEM imaging results showed that with PDA coating the membrane surface showed minimal damage in comparison to that of non-coated PVDF membrane. These results altogether confirmed, that the PDA layer can protect the membrane surface from UV-initiated free radicals attack.
S Muchtar; M Wahab; S Mulyati; M Riza; N Arahman. Deposition of polydopamine on the surface of Polyvinylidene Fluoride (PVDF) membrane as A UV-Shielding layer. IOP Conference Series: Materials Science and Engineering 2019, 523, 012017 .
AMA StyleS Muchtar, M Wahab, S Mulyati, M Riza, N Arahman. Deposition of polydopamine on the surface of Polyvinylidene Fluoride (PVDF) membrane as A UV-Shielding layer. IOP Conference Series: Materials Science and Engineering. 2019; 523 (1):012017.
Chicago/Turabian StyleS Muchtar; M Wahab; S Mulyati; M Riza; N Arahman. 2019. "Deposition of polydopamine on the surface of Polyvinylidene Fluoride (PVDF) membrane as A UV-Shielding layer." IOP Conference Series: Materials Science and Engineering 523, no. 1: 012017.
Selection of the appropriate solvent plays an important role in the characteristics of the membrane formation. Flat-sheet polyethersulfone (PES) membranes were formation via non-solvents induced phase separation (NIPS) technique. PES as a polymer, Brij58 as hydrophilic surfactant and three types of solvent were used to prepare the dope solution. This paper attempts to show the effects of three different solvents there are; dimethylsulfoxide (DMSO), dimethylformamide (DMF), and dimethylacetamide (DMAc) on characterizations and performance of fabricated membranes. The fabricated membranes in this study were characterized by measuring water contact angle and mechanical properties. The performance of fabricated membranes was carried out using a dead-end ultrafiltration module. Solubility between solvent and non-solvent is an essential factor in the membrane formation process. The porosity of membrane fabricated from the system of PES/Brij/DMAc was higher than membrane made from another system, so that the water permeability of this membrane was higher than others. The membrane fabricated with DMAc as solvent had a tensile strength of 12.42 kgf/mm2.
M.Y. Wahab; S. Muchtar; N. Arahman; Sri Mulyati; M. Riza. The Effects of Solvent Type on The Performance of Flat Sheet Polyethersulfone/Brij58 Membranes. IOP Conference Series: Materials Science and Engineering 2019, 536, 012119 .
AMA StyleM.Y. Wahab, S. Muchtar, N. Arahman, Sri Mulyati, M. Riza. The Effects of Solvent Type on The Performance of Flat Sheet Polyethersulfone/Brij58 Membranes. IOP Conference Series: Materials Science and Engineering. 2019; 536 (1):012119.
Chicago/Turabian StyleM.Y. Wahab; S. Muchtar; N. Arahman; Sri Mulyati; M. Riza. 2019. "The Effects of Solvent Type on The Performance of Flat Sheet Polyethersulfone/Brij58 Membranes." IOP Conference Series: Materials Science and Engineering 536, no. 1: 012119.
Composite ultrafiltration membranes were successfully fabricated by blending a nonionic surfactant and inorganic nanoparticles via a nonsolvent‐induced phase separation (NIPS) method. Brij35 was used as the nonionic surfactant and silica (SiO2) nanoparticles from rice husk ash, a low cost and widely available material, were used as the inorganic nanoparticles. The synergetic effect of both additives was used to tailor the membrane structure and properties because the selected additives showed completely different or, in some cases, the opposite effect on the membrane properties and structure. The combined effects of Brij and SiO2 resulted in a membrane with a noticeable improvement in membrane overall performance including pure water permeability, hydrophilicity, antifouling properties, long‐term stability, tensile strength, on the cost of a slight decrease in membrane elongation. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47737.
Mukramah Yusuf Wahab; Syawaliah Muchtar; Sungil Jeon; Li‐Feng Fang; Saeid Rajabzadeh; Ryosuke Takagi; Nasrul Arahman; Sri Mulyati; Medyan Riza; Hideto Matsuyama. Synergistic effects of organic and inorganic additives in preparation of composite poly(vinylidene fluoride) antifouling ultrafiltration membranes. Journal of Polymer Science 2019, 136, 1 .
AMA StyleMukramah Yusuf Wahab, Syawaliah Muchtar, Sungil Jeon, Li‐Feng Fang, Saeid Rajabzadeh, Ryosuke Takagi, Nasrul Arahman, Sri Mulyati, Medyan Riza, Hideto Matsuyama. Synergistic effects of organic and inorganic additives in preparation of composite poly(vinylidene fluoride) antifouling ultrafiltration membranes. Journal of Polymer Science. 2019; 136 (27):1.
Chicago/Turabian StyleMukramah Yusuf Wahab; Syawaliah Muchtar; Sungil Jeon; Li‐Feng Fang; Saeid Rajabzadeh; Ryosuke Takagi; Nasrul Arahman; Sri Mulyati; Medyan Riza; Hideto Matsuyama. 2019. "Synergistic effects of organic and inorganic additives in preparation of composite poly(vinylidene fluoride) antifouling ultrafiltration membranes." Journal of Polymer Science 136, no. 27: 1.
This work presents a new and simple modification approach to fabricate a Polyvinylidene Fluoride membrane with superior permeation, separation, and antifouling performance. Dopamine was introduced by blending into the membrane casting solution and the membrane was prepared using a classic non-solvent induced phase separation technique. The prepared flat-sheet membrane was then dipped into a Tris-HCl buffer solution with a pH of 8.5 to trigger the polymerization of dopamine into polydopamine. The effects of the modification on the membrane characteristics were analyzed in terms of a change in the chemical components, hydrophilicity, surface porosity, and mechanical strength. In addition, the permeation, separation, and fouling resistant performance were studied by means of a filtration experiment using deionized water and humic acid solution as feeds. The results revealed that the addition of dopamine successfully increased the porosity by 300%, hydrophilicity by 180%, and water flux performance by 600% compared to the original membrane. Polymerization of dopamine into the polydopamine layer recovered the loss of rejection due to pore enlargement by dopamine blending from 91 to 93%. In addition, the blended and polymerized membrane successfully recovered up to 92% of pure water flux after backwash, which indicates the superior antifouling performance. It can be concluded that this new technique can be a potential approach to produce membranes for the water treatment process with overall excellent performance.
Syawaliah Muchtar; Mukramah Yusuf Wahab; Sri Mulyati; Nasrul Arahman; Medyan Riza. Superior fouling resistant PVDF membrane with enhanced filtration performance fabricated by combined blending and the self-polymerization approach of dopamine. Journal of Water Process Engineering 2019, 28, 293 -299.
AMA StyleSyawaliah Muchtar, Mukramah Yusuf Wahab, Sri Mulyati, Nasrul Arahman, Medyan Riza. Superior fouling resistant PVDF membrane with enhanced filtration performance fabricated by combined blending and the self-polymerization approach of dopamine. Journal of Water Process Engineering. 2019; 28 ():293-299.
Chicago/Turabian StyleSyawaliah Muchtar; Mukramah Yusuf Wahab; Sri Mulyati; Nasrul Arahman; Medyan Riza. 2019. "Superior fouling resistant PVDF membrane with enhanced filtration performance fabricated by combined blending and the self-polymerization approach of dopamine." Journal of Water Process Engineering 28, no. : 293-299.
M. Y. Wahab; S . Muchtar; S . Mulyati; M . Riza; N . Arahman; Maughal Ahmed Ali Baig. IMPROVEMENT OF THE CHARACTERISTIC OF POLYETHERSULFONE MEMBRANE BY BLENDING WITH BRIJ OF DIFFERENT MOLECULAR WEIGHTS. Rasayan Journal of Chemistry 2019, 12, 1135 -1143.
AMA StyleM. Y. Wahab, S . Muchtar, S . Mulyati, M . Riza, N . Arahman, Maughal Ahmed Ali Baig. IMPROVEMENT OF THE CHARACTERISTIC OF POLYETHERSULFONE MEMBRANE BY BLENDING WITH BRIJ OF DIFFERENT MOLECULAR WEIGHTS. Rasayan Journal of Chemistry. 2019; 12 (3):1135-1143.
Chicago/Turabian StyleM. Y. Wahab; S . Muchtar; S . Mulyati; M . Riza; N . Arahman; Maughal Ahmed Ali Baig. 2019. "IMPROVEMENT OF THE CHARACTERISTIC OF POLYETHERSULFONE MEMBRANE BY BLENDING WITH BRIJ OF DIFFERENT MOLECULAR WEIGHTS." Rasayan Journal of Chemistry 12, no. 3: 1135-1143.
We modified poly(vinylidene fluoride) (PVDF) membranes with a polydopamine (PDA) coating for photocatalytic membrane reactor application with appropriate UV resistance and studied the effects of the PDA coating conditions (i.e., coating time and dopamine concentration) and UV irradiation time on the modified PVDF membrane properties. The PVDF membrane that was surface‐coated with the appropriate dopamine solution concentration and coating time played a key role in controlling the membrane properties and in protecting the modified membrane against UV radiation. The optimization of the coating condition not only completely protected the modified membrane from free‐radical attack initiated through UV irradiation but also improved the membrane hydrophilicity, antifouling properties, filtration performance, and mechanical strength of the membrane. UV irradiation of the membrane that was surface‐coated with a high‐concentration dopamine solution for a long coating time resulted in a higher mechanical strength than that of the membrane without the application of UV irradiation. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 136, 47312.
Syawaliah Muchtar; Mukramah Yusuf Wahab; Li‐Feng Fang; Sungil Jeon; Saeid Rajabzadeh; Ryosuke Takagi; Sri Mulyati; Nasrul Arahman; Medyan Riza; Hideto Matsuyama. Polydopamine‐coated poly(vinylidene fluoride) membranes with high ultraviolet resistance and antifouling properties for a photocatalytic membrane reactor. Journal of Polymer Science 2018, 1 .
AMA StyleSyawaliah Muchtar, Mukramah Yusuf Wahab, Li‐Feng Fang, Sungil Jeon, Saeid Rajabzadeh, Ryosuke Takagi, Sri Mulyati, Nasrul Arahman, Medyan Riza, Hideto Matsuyama. Polydopamine‐coated poly(vinylidene fluoride) membranes with high ultraviolet resistance and antifouling properties for a photocatalytic membrane reactor. Journal of Polymer Science. 2018; ():1.
Chicago/Turabian StyleSyawaliah Muchtar; Mukramah Yusuf Wahab; Li‐Feng Fang; Sungil Jeon; Saeid Rajabzadeh; Ryosuke Takagi; Sri Mulyati; Nasrul Arahman; Medyan Riza; Hideto Matsuyama. 2018. "Polydopamine‐coated poly(vinylidene fluoride) membranes with high ultraviolet resistance and antifouling properties for a photocatalytic membrane reactor." Journal of Polymer Science , no. : 1.