Results 31 to 40 of about 245,926 (300)

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

Thermodynamic and Kinetic Considerations Regarding the Prospects for a Dual-Purpose Hydrogen Extraction and Separation Membrane

Energies, 2021
Extraction of hydrogen from hydrocarbons is a logical intermediate-term solution for the escalating worldwide demand for hydrogen. This work explores the possibility of using a single membrane to accomplish both the catalytic dehydrogenation and physical
Karl Sohlberg
doaj   +1 more source

Single-Atom Site Photocatalysts Boosting Organic Synthesis: The Integration of a Metal Active Site and Photosensitive Unit

Nanomaterials
Metallaphotoredox catalysis merges the powerful bond-forming abilities of transition metal catalysis with unique electron or energy transfer pathways accessible in photoexcited states, injecting new vitality into organic synthesis.
Haoyue Sun, Yu Yang, Yanchang Liu, Dongxue Yang, Yichang Liu, Zaicheng Sun   +5 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

Simultaneous Production of Aromatics and CO_x-Free Hydrogen via Methane Dehydroaromatization in Membrane Reactors: A Simulation Study

Membranes, 2022
As an alternative route for aromatics and hydrogen production, methane dehydroaromatization (MDA) is of significant academic and industrial interest due to the abundance of natural gas resources and the intensive demand for aromatics and COx-free ...
Feng Ye, Shuanshi Fan, Wenjun Li, Yanhong Wang, Xuemei Lang, Jianli Zhang, Jing Li, Gang Li   +7 more
doaj   +1 more source

Insights into the application of microfluidic platforms in enhanced oil recovery

Petroleum
Enhanced oil recovery (EOR) technologies are used to recover most of the trapped crude oil from our limited reserves. With the escalating energy demand, EOR will achieve substantial economic benefits and greatly help in the exploitation of natural oil ...
Fadi Dawaymeh, Elie Ayoub, Maryam Khaleel, Nahla Alamoodi   +3 more
doaj   +1 more source

Developing of Ethylene Glycol as a New Reducing Agent for Preparation of Pd-Ag/PSS Composite Membrane for Hydrogen Separation [PDF]

Journal of Petroleum Science and Technology, 2012
In the present work, for the first time, a palladium-silver membrane has been prepared by electroless plating on the surface of a porous stainless steel disk by using ethylene glycol as a new reducing agent and polyol process.
L. Samiee, M. Dehghani Mobarake, R. Karami, M. Ayazi   +3 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

Experimental Progress in the Development of a Metal Foil Pump for DEMO

Plasma, 2023
Experimental findings to contribute to the preliminary design of a metal foil pump for fuel separation in the Direct Internal Recycling loop of the DEMO fusion device are presented. In parametric studies on a small-scale superpermeation experiment with a
Yannick Kathage, Alejandro Vazquez Cortes, Stefan Merli, Christian Day, Thomas Giegerich, Stefan Hanke, Juri Igitkhanov, Andreas Schulz, Matthias Walker   +8 more
doaj   +1 more source

The Application of Diffusion Method in the Preparation of High-Purity Hydrogen

Journal of Isotopes
Research on hydrogen separation processes based on diffusion methods is conducted for the gas purification step in the preparation of high-purity hydrogen.
Yongchun WEI, Chaoqi GE, Jun CHE, Rui ZHANG   +3 more
doaj   +1 more source