Results 11 to 20 of about 2,877 (69)

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

open access: yesHydrogen, 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   +2 more
doaj   +1 more source

Advanced microporous membranes for H2/CH4 separation: Challenges and perspectives

open access: yesAdvanced Membranes, 2021
The utilization of hydrogen is regarded as the effective approach to arrive at the global carbon-neutrality target. Hydrogen/methane separation is a necessary unit for the hydrogen production in the petroleum industry. The development of high-performance
Rongfei Zhou   +3 more
doaj   +1 more source

Recent Progress in Mixed-Matrix Membranes for Hydrogen Separation

open access: yesMembranes, 2021
Membrane separation is a compelling technology for hydrogen separation. Among the different types of membranes used to date, the mixed-matrix membranes (MMMs) are one of the most widely used approaches for enhancing separation performances and surpassing
Chong Yang Chuah   +3 more
doaj   +1 more source

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

open access: yesJournal 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   +2 more
doaj   +1 more source

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

open access: yesMembranes, 2020
Solar hydrogen production via the photoelectrochemical water-splitting reaction is attractive as one of the environmental-friendly approaches for producing H2.
Miwako Kubo   +9 more
doaj   +1 more source

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

open access: yesEnergies, 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

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

open access: yesMembranes, 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   +7 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]

open access: yesJournal 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   +3 more
doaj   +1 more source

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

open access: yesPlasma, 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   +8 more
doaj   +1 more source

Gas Permeability, Fractional Free Volume and Molecular Kinetic Diameters: The Effect of Thermal Rearrangement on ortho-hydroxy Polyamide Membranes Loaded with a Porous Polymer Network

open access: yesMembranes, 2022
Mixed-matrix membranes (MMMs) consisting of an ortho-hydroxy polyamide (HPA) matrix, and variable loads of a porous polymer network (PPN) were thermally treated to induce the transformation of HPA to polybenzoxazole (β-TR-PBO).
Cenit Soto   +7 more
doaj   +1 more source

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