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- 저자 : Xiaoyao Tan (검색결과 4 건)
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Huina Wang,Xiaobin Wang,Bo Meng,Xiaoyao Tan,Kee Shyuan Loh,Jaka Sunarso,Shaomin Liu 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.60 No.-
Hydrogen share in the energy market has increased significantly in line with greater demand for zero emission fuel and the development of novel production routes via renewable resources. The application of mixed protonic–electronic conducting (MPEC) ceramic membrane within the hydrogen production process is an innovative route that enables high purity hydrogen production with low cost. This review provides readers a brief summary of the research efforts on MPEC ceramic membrane for hydrogen separation as well as the membrane reactor for hydrogen production and dehydrogenation or hydrogenation reactions. Most of the existing MPEC ceramic membranes come from either a single-phase or a dual-phase membrane. We discuss the working principles, the performances, the advantages and disadvantages, and the main issues of all these membranes. Major emphasis of the review is to cover the literature published in the last ten years since the earlier progress has been well documented by the previously existing reviews. We also put forward recommendations for future research direction in this topic.
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A simple seed-embedded method to prepare ZIF-8 membranes supported on flexible PESf hollow fibers
Hangliao Zhang,Xiaobin Wang,Luyang Wei,Bo Meng,Xiaoyao Tan,Wanqin Jin,Shaomin Liu 한국공업화학회 2019 Journal of Industrial and Engineering Chemistry Vol.72 No.-
With intrinsic porous structure, unique chemical versatility and abundant application opportunities,MOF membranes have attracted substantial research enthusiasm. Most of these supported MOFmembranes are prepared on the rigid ceramic substrates. If the MOF membrane possessesflexibility, theapplication opportunities will be expanded. This paper presents the synthesis of ZIF-8 membranes on theflexible polyethersulfone (PESf) hollowfibers by using a facile seed-embedded method. The resultantmembranes were characterized by scanning electron microscopy, energy dispersive X-ray, X-raydiffraction and fourier transform infrared spectroscopy. The prepared membranes were in a continuousand compact structure and showed good molecular sieve performance of H2 over CO2, N2 and CH4 with H2permeance up to 1.110 5 mol m 2 s 1 Pa 1. Due to the preferential adsorption, ZIF-8/PESf compositemembrane exhibited high permeance of H2, N2, and CH4 compared to CO2, showing potential applicationsin efficient CO2 capture from industrial mixtures. The association between the gas permeation, theamount of embedded ZIF-8 crystals and the membrane thickness was also clarified. The reproducibilitywas significantly improved compared to the conventional secondary seeding method. Attributed to thestrong adhesion between the ZIF-8 and the PESf, the membranes displayed excellent stability andflexibility which could sustain bending up to 90 without breaking the ZIF-8 membrane. This seedembeddedmethod is not only simple, but also has good reproducibility and scalability.
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The effect of A-site element on CO2 resistance of O2-selective La-based perovskite hollow fibers
Jian Gao,Yutai Lun,Yadi Hu,Zijian You,Xiaoyao Tan,Shaobin Wang,Jaka Sunarso,Shaomin Liu 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.53 No.-
Oxygen-selective mixed ionic-electronic conducting (MIEC) ceramic membrane technology enables clean coal combustion and membrane reactor for green chemical synthesis. To be practical in these applications that involve CO2 presence, the membrane materials should have simultaneously high CO2 resistance and oxygen permeation fluxes. This work probed these properties for the perovskite oxide family of La0.6X0.4FeO3-d (X = Mg, Ca, Sr, or Ba), i.e., La0.6Mg0.4FeO3-d (LMF), La0.6Ca0.4FeO3-d (LCF), La0.6Sr0.4FeO3-d (LSF), and La0.6Ba0.4FeO3-d (LBF) in the hollow fiber membrane geometry that is highly suitable for industrial application. LCF hollow fiber displayed the best balance in CO2 resistance and oxygen permeation fluxes.
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Jian Song,Claudia Li,Shao Zhang,Kai Wang,Bo Meng,Xiaoyao Tan,Jaka Sunarso,Shaomin Liu 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.107 No.-
BaCeO3-based ceramics are a unique class of perovskites that exhibit protonic and oxygen ionic conduction,which are ideal for high temperature hydrogen separation applications. This work features Sc-dopedBCFe composites with nominal composition of BaCe0.70Fe0.30-xScxO3d (BCFSc) (x = 0, 0.05, 0.1, 0.15, and0.2) that exhibit enhanced thermal, chemical, and mechanical stability. The BCFSc20 (x = 0.20) hollowfiber membranes demonstrated the highest hydrogen and oxygen fluxes among the Sc-doped compositesof up to 0.32 and 0.20 mL min1 cm2, respectively, at 1000 C. The BCFSc20 hollow fibers also displayedexcellent stability under the hydrogen and oxygen permeation environments, while the permeation performanceof the other BCFSc samples with low Sc content gradually deteriorated over the 120-h stabilitytest.
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