Hollow fibre microporous silica membranes for gas separation and pervaporation

Peters, Thijs; Fontalvo, Javier; Vorstman, Mag Marius; Benes, Nieck E.; Dam, van Ra Robert; Vroon, Z.A.E.P.; Soest-Vercammen, van Elj; Keurentjes, Jtf Jos

doi:10.1016/j.memsci.2004.08.023

Cited by 106 publications

(61 citation statements)

References 19 publications

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“…They consist of g-alumina layers supported on a porous a-alumina tubular membrane. The permselective layer on the outside of the support is a thin (70 nm) layer made of microporous amorphous silica [18]. In the dehydration of n-butanol these membranes have proved to combine a high water flux with a good selectivity [18].…”

Section: Coating and Testing Of The Pervaporation Membranesmentioning

confidence: 99%

Preparation of zeolite-coated pervaporation membranes for the integration of reaction and separation

et al. 2005

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Section: Coating and Testing Of The Pervaporation Membranesmentioning

confidence: 99%

Preparation of zeolite-coated pervaporation membranes for the integration of reaction and separation

et al. 2005

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“…Xu et al [47] synthesized a relatively high quality NaA zeolite membrane on a ceramic hollow-fiber support. Liu et al [27] [49] prepared thin microporous silica membranes on the outer surface of hollow-fiber ceramic (Al 2 O 3 ) substrates. Membranes with silica base possess an asymmetric structure with the actual selective microporous silica that placed on a support structure consisted of several a-and g-alumina layers.…”

Section: Examples Of the Ceramic Used For The Preparation Of Hollow-fmentioning

confidence: 99%

“…Peters et al [49] fabricated thin microporous silica membranes on the outer surface of hollow-fiber ceramic (Al 2 O 3 ) substrates. Better pervaporation performance in the dehydration of n-butanol was observed compared to that of new commercial tubular membranes.…”

Section: Pervaporationmentioning

confidence: 99%

Recent Progresses in Ceramic Hollow‐Fiber Membranes

Dashti

Asghari

2015

ChemBioEng Reviews

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Membrane technology is one of the most important aspects in separation processes. Hollow fibers are one of the emerging technologies that had a new growth spurt during the past decades. Ceramic membranes have outstanding stability at high temperatures (> 100°C), at extreme pH, and in fouling environments. In this article, recent progresses on ceramic hollow-fiber membranes are discussed. The characterizations of membranes, particularly by different methods, are reported. New ceramics, especially perovskites and composites of ceramics, and new techniques are introduced in making high performance hollow fibers. New applications of ceramic hollow fibers are also discussed in detail.

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“…The dip coat process was performed at room temperature by immersing alumina substrates into the different polymeric sols for 2 h (Peters et al, 2005), (immersion and withdrawal rate: 0.5 mm 1 s  ). After dip coating, the different ceramic membranes were left overnight to be dried at room temperature.…”

Section: Membrane Preparationmentioning

confidence: 99%

Synthesis of Doped and non-Doped Nano MgO Ceramic Membranes

Labib

2013

SQU Journal for Science

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Doped and non-doped MgO coated thin films on alumina substrates were prepared using a chelating sol-gel method under controlled conditions to prepare nanomaterials with unprecedented properties. The effect of doping of ZnO on thermal, surface and structural properties was investigated using DTA-TG, BET and XRD respectively. Also microstructural studies and coating thickness measurements of MgO thin film were conducted using SEM. An increase in the thermal stability of MgO with increasing ZnO doping percent was observed. The increase of ZnO doping percent showed a marked decrease in the average particle size of MgO powder as a result of the replacement of some Mg 2+ by Zn 2+ which has similar ionic radius as Mg 2+. This decrease in particle size of MgO was also related to the decrease of the degree of MgO crystalinity. The increase of ZnO doping also showed a marked decrease in coating thickness values of the prepared membranes. This decrease was related to the mechanism of ZnO doping into a MgO crystal lattice.

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Hollow fibre microporous silica membranes for gas separation and pervaporation

Cited by 106 publications

References 19 publications

Preparation of zeolite-coated pervaporation membranes for the integration of reaction and separation

Preparation of zeolite-coated pervaporation membranes for the integration of reaction and separation

Recent Progresses in Ceramic Hollow‐Fiber Membranes

Synthesis of Doped and non-Doped Nano MgO Ceramic Membranes

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