Results 31 to 40 of about 2,877 (69)
Nanostructured Palladium-Doped Silica Membrane Layer Synthesis for Hydrogen Separation: Effect of Activated Sublayers [PDF]
Hydrogen, Fuel Cell & Energy Storage, 2019 Palladium doped silica membranes were synthesized by the sol-gel method using two different procedures. The first palladium-doped silica membrane (M1) was synthesized with a coating of four layers of silica-palladium sol.
Masoud Majidi Beiragh +4 more
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MembranesPalladium-based membranes for hydrogen separation offer the most promising gas permeation and selectivity, but their large-scale application has been limited due to the high environmental burdens and criticality of palladium.
Ali Mohtashamifar +5 more
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Study and Development of a Mini-Tube Gas Separator Utilizing the Soret Effect
Journal of Thermal Science and Technology, 2012 The Soret effect is a phenomenon in which a temperature gradient gives rise to a concentration gradient. In this study, we attempted a simple technique for the separation of hydrogen from a gas mixture by utilizing the Soret effect.
Shunsuke KUWATANI +2 more
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Case Studies in Thermal Engineering, 2023 This work investigates numerically the characteristics of the two process, hydrogen separation and steam methane reforming (SMR), in a palladium-based (Inconel-supported Pd–Ag film) membrane reactor (MR) of porous reformer (30% Ni/Al2O3) shell and multi ...
Medhat A. Nemitallah
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Separation of Hydrogen Isotopes by Metal-Organic Framework Quantum Sieving Effect
He huaxue yu fangshe huaxueDue to the similar physical and chemical properties of hydrogen isotopes, the separation of high-purity hydrogen isotopes has become one of the major problems in modern separation technology. The realization of high-purity hydrogen isotope separation can
Peng LIU, Jia-xian CHENG, Fu-qiu MA
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Review of Water Hydrogen Isotope Separation Technology
He huaxue yu fangshe huaxueHydrogen isotopes, such as protium(H), deuterium(D), and tritium(T), are widely used in medical treatment, nuclear energy, national defense, and other fields.
SHI Zhang-hong +2 more
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Gas Separation Silica Membranes Prepared by Chemical Vapor Deposition of Methyl-Substituted Silanes
Membranes, 2019 The effect on the gas permeance properties and structural morphology of the presence of methyl functional groups in a silica membrane was studied. Membranes were synthesized via chemical vapor deposition (CVD) at 650 °C and atmospheric pressure ...
Harumi Kato +5 more
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Membranes, 2019 The main purposes of this study are to evaluate the performance of graphene membranes in the separation/purification of hydrogen from nitrogen from a theoretical point of view using the molecular dynamic (MD) simulation method, and to present details ...
Mahdi Nouri +2 more
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Fabrication and Evaluation of Trimethylmethoxysilane (TMMOS)-Derived Membranes for Gas Separation
Membranes, 2019 Gas separation membranes were fabricated with varying trimethylmethoxysilane (TMMOS)/tetraethoxy orthosilicate (TEOS) ratios by a chemical vapor deposition (CVD) method at 650 °C and atmospheric pressure. The membrane had a high H2 permeance of 8.3 &
Yoshihiro Mise +4 more
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Challenges and Prospects of Microporous Membranes for High‐Temperature Hydrogen Separation
Small StructuresThe development of microporous membranes for high‐temperature hydrogen (H2) separation is crucial for advancing hydrogen as a clean energy source. This review critically evaluates recent progress in materials and technologies designed for H2 separation ...
Xiaoheng Jin +5 more
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