Results 31 to 40 of about 217,547 (158)

Silica membrane performance for hydrogen separation from methanol steam reforming products: Assessment of different multistage membrane schemes [PDF]

Hydrogen, Fuel Cell & Energy Storage, 2019
The aim of this work is a theoretical study of multistage silica membrane configurations for hydrogen purification by methanol steam reforming (MSR) products.
Abbas Aghaeinejad-Meybodi, Kamran Ghasemzadeh, Angelo Basile   +2 more
doaj   +1 more source

Research progress on hydrogen separation and purification technologies for hydrogen-blended natural gas

You-qi chuyun
ObjectiveHydrogen-blended natural gas transportation offers a viable pathway for large-scale hydrogen transportation. The separation and purification of hydrogen significantly influence the quality and economic efficiency of hydrogen for terminal use ...
Xiang MAO, Jun BAI, Chun DENG, Yuanyuan WU, Yu TIE, Yanqi ZHANG   +5 more
doaj   +1 more source

Characteristics of hydrogen separation and methane steam reforming in a Pd-based membrane reactor of shell and tube design

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
doaj   +1 more source

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, So-Jin Ahn, Atsushi Takagaki, Ryuji Kikuchi, Shigeo Ted Oyama   +4 more
doaj   +1 more source

Ni-BZCYYb HYDROGEN SEPARATION MEMBRANE FOR THE INTEGRATION OF HYDROGEN PRODUCTION AND HYDROGEN SEPARATION BY ETHANOL REFORMING

Ceramics - Silikaty, 2022
The integration of hydrogen production and hydrogen separation is achieved in this study by combining the membrane technology for hydrogen separation with the biomass ethanol reforming hydrogen production. At various temperatures, the impact of the surface exchange on the hydrogen permeability was investigated, and a Pd-GDC catalyst helped to overcome ...
openaire   +2 more sources

Unsteady-state Computational Fluid Dynamics Modeling of Hydrogen Separation from H2/N2 Mixture [PDF]

Journal of Chemical and Petroleum Engineering, 2017
3D modeling of Pd/α-Al2O3 hollow fiber membrane by using computational fluid dynamic for hydrogen separation from H2/N2 mixture was considered in steady and unsteady states by using the concept of characteristic time.
Abdolmajid Sharafpoor, Zahra Mansourpour, Azadeh Ghaee   +2 more
doaj   +1 more source

Hydrogen separation in La5.5WO11.25−δ membranes

Journal of Membrane Science, 2013
Tungstates Ln(6)WO(12) are proton conducting crystalline materials which show significant mixed protonic and electronic conductivity and stability in moist CO2 environments. These materials are promising candidates for hydrogen separation membranes at temperatures above 700 degrees C, especially when integrated in intensified processes as catalytic ...
Escolástico Rozalén, Sonia|||0000-0002-7097-2425, Solis Díaz, Cecilia, Scherb, Tobias, Schumacher, Gerhard, Serra Alfaro, José Manuel|||0000-0002-1515-1106   +4 more
openaire   +3 more sources

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, Shinya WATANABE, Naoki ONO   +2 more
doaj   +1 more source

Hydrogen Selective SiCH Inorganic–Organic Hybrid/γ-Al₂O₃ Composite Membranes

Membranes, 2020
Solar hydrogen production via the photoelectrochemical water-splitting reaction is attractive as one of the environmental-friendly approaches for producing H2.
Miwako Kubo, Ryota Mano, Misako Kojima, Kenichi Naniwa, Yusuke Daiko, Sawao Honda, Emanuel Ionescu, Samuel Bernard, Ralf Riedel, Yuji Iwamoto   +9 more
doaj   +1 more source

Separation of Hydrogen Isotopes by Metal-Organic Framework Quantum Sieving Effect

He huaxue yu fangshe huaxue
Due 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
doaj   +1 more source