A low cost, superhydrophobic and superoleophilic hybrid kaolin-based hollow fibre membrane (KHFM) for efficient adsorption–separation of oil removal from water

Hubadillah, Siti Khadijah; Kumar, Preven; Othman, Mohd Hafiz Dzarfan; Ismail, Ahmad Fauzi; Rahman, Mukhlis A.; Jaafar, Juhana

doi:10.1039/c7ra13206a

Cited by 33 publications

(12 citation statements)

References 37 publications

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“…It is imperative to note that lower silane‐sol particle size will result in higher mechanical strength. Similar results are observed within the literature 22,34,48 . This phenomenon was due to the coating of silane sol on ceramic membrane producing a defect free membrane with no crack growth behaviour 49 .…”

Section: Resultssupporting

confidence: 90%

“…Similar results are observed within the literature. 22,34,48 This phenomenon was due to the coating of silane sol on ceramic membrane producing a defect free membrane with no crack growth behaviour. 49 This can ultimately aid the membrane to withstand higher pressure conditions.…”

Section: Surface Wettability and Water Super-repellencymentioning

confidence: 99%

“…As soon as the mixtures of oil and water are injected into the coated membrane module, the oil immediately permeates into the membrane pores, where it is captured by a beaker. Similarly, Hubadillah et al ., 22 used methyltriethoxysilane (MTES) to develop a superhydrophobic‐superoleophilic ceramic membrane for efficient oil separation. A higher flux of 102 L m −2 h −1 and 99.9% oil absorption capacity were obtained from the assembled superhydrophobic‐superoleophilic membrane module.…”

Section: Introductionmentioning

confidence: 99%

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Impact of organosilanes modified superhydrophobic‐superoleophilic kaolin ceramic membrane on efficiency of oil recovery from produced water

Usman

Othman

Ismail

et al. 2020

J of Chemical Tech & Biotech

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BACKGROUND: Novel hybrid absorption coupled with membrane filtration technology is proposed for the recovery of oil from produced water. This study aims at developing a low cost superhydrophobic-superoleophilic kaolin-based hollow fiber ceramic membrane using phase inversion and sintering technique for the recovery of oil from synthetic produced water. The influence of different organosialanes, such as methyltriethoxysilane (MTES), octadecyltrimethoxysilane (OTMS), 1H,1H,2H,2Hperfluorooctyltriethoxysilane (FAS), trichloro(octadecyl)silane, and chlorotrimethylsilane, was investigated for the modification process. RESULTS: Field emission scanning electron microscopy results clearly indicated that membrane morphology was altered with coating of the organosilanes. The surface functionality of the organosilanes on kaolin membranes was also confirmed by Xray photoelectron spectroscopy and Fourier-transform infrared spectroscopy. From the atomic force microscopy studies, membrane surface roughness was observed to be higher for MTES, FAS, and OTMS coated kaolin membranes. Contact analysis show that the membranes coated with MTES, FAS and OTMS organosilane agents possessed superhydrophobicity of 161.3°, 155.6°, and 150.2°as well as superoleophilicity of 0°, 1.5°, and 2.3°, respectively. CONCLUSION: Crude oil with a concentration of 2 g L −1 displayed a higher oil flux of 80 L m −2 h −1 and absorption of 90% for MTES coated kaolin membrane. This study extends the frontier of knowledge in ceramic membrane application for produced water treatment.

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Section: Resultssupporting

confidence: 90%

Section: Surface Wettability and Water Super-repellencymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Impact of organosilanes modified superhydrophobic‐superoleophilic kaolin ceramic membrane on efficiency of oil recovery from produced water

Usman

Othman

Ismail

et al. 2020

J of Chemical Tech & Biotech

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“…In addition, MF membranes made of clays such as kaolin exhibit excellent performance in water treatment, especially in the purification of industrial wastewater and seawater desalination. Due to its unique physical properties, such as limited plasticity and high membrane refractory properties, kaolin has attracted the most attention in the manufacture of low-cost ceramic membranes [4]. In addition, kaolin is hydrophilic, which is very suitable for making water filtration membranes.…”

Section: Introductionmentioning

confidence: 99%

Effect of Kaolin Particle Size Towards Preparation of Kaolin Ceramic Membrane

Hubadillah

Hami

Salleh

et al. 2021

EmAIT

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The purpose of this work is to study the effect of kaolin particle size for the preparation of low cost ceramic membrane suspension and ceramic membrane structure. Kaolin particle size is categorized into two categories; i) ≤ 1µm and ii) ≥ 1 µm. The suspension is prepared via stirring technique under 1000 rpm at 60°C. The particle size of kaolin is characterized using field emission scanning electron microscope (FESEM) and the prepared suspension is characterized in term of its viscosity. Results indicate that the particle size gave significant effect to the viscosity of ceramic membrane suspension. Preliminary data showed that kaolin with particle size ≤ 1µm resulted ceramic membrane with dense structure.

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“…Corrosion properties of flame sprayed coatings causes many economic losses and negatively affects the properties of metals. In order to prevent this negative phenomenon or for its reduction, materials with special anti-corrosion properties such as stainless steels were developed, unfortunately they are very expensive [4]. Another way to protect the surface from corrosion is to apply coatings [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Investigation of Mechanical and Anti-Corrosion Properties of Flame Sprayed Coatings

Musztyfaga-Staszuk

Czupryński

Kciuk

2018

Advances in Materials Science

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This article presents the results of an examination of the properties of thermal flame sprayed coatings produced by material in the form of four powders (two polymers: PA11 and PA12 CastoPlast, and two high purity: tin and aluminum) on the substrate of the unalloyed structural steel of S235JR grade. Investigations of coating properties are based on metallography tests (SEM and CLSM), measurement of microhardness (acc. to PN-EN ISO 6507-1:2007), anticorrosive (acc. to PN-EN ISO 9227:2017-06) and bend testing. Results demonstrate properties of flame sprayed coatings that are especially promising in the industrial applications where corrosion-resistant coating properties are required. Consequently, performed experiments show that the highest corrosion resistance is demonstrated by steel samples with a polyamide anti-corrosion system. Accelerated corrosion tests showed the lowest corrosion resistance of the tin coating system, however, they do not fully correspond to the corrosion processes in operating conditions.

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A low cost, superhydrophobic and superoleophilic hybrid kaolin-based hollow fibre membrane (KHFM) for efficient adsorption–separation of oil removal from water

Abstract: This paper outlines a low cost, high performance superhydrophobic/superoleophilic KHFM through a simple sol–gel grafted method using TEOS and MTES for efficient adsorption–separation of oil removal from water.

Cited by 33 publications

References 37 publications

Impact of organosilanes modified superhydrophobic‐superoleophilic kaolin ceramic membrane on efficiency of oil recovery from produced water

Impact of organosilanes modified superhydrophobic‐superoleophilic kaolin ceramic membrane on efficiency of oil recovery from produced water

Effect of Kaolin Particle Size Towards Preparation of Kaolin Ceramic Membrane

Investigation of Mechanical and Anti-Corrosion Properties of Flame Sprayed Coatings

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