Results 21 to 30 of about 2,200,535 (303)

Integration of the Hydrogen Network with Fresh Hydrogen and Purification Feed Optimized Simultaneously

Chemical Engineering Transactions, 2017
For hydrogen network, the Fresh Hydrogen Purity (FHP) and the purification affect its Hydrogen Utility (or fresh hydrogen) Consumption (HUC), and should be optimized simultaneously.
J. Liang, G. Liu
doaj   +1 more source

Predicting Target Values of Hydrogen Networks with Purification Unit

Chemical Engineering Transactions, 2017
Hydrogen utility consumption can be reduced further when purification unit is introduced in a hydrogen network. However, targeting and design of the networks involving purification is more difficult than that of the ones involving reuse only.
A.H. Li, X.F. Wang, Y. Yang, Z.Y. Liu
doaj   +1 more source

Metal organic frameworks for hydrogen purification

International journal of hydrogen energy, 2021
High purity hydrogen is one of the key factors in determining the lifetime of proton exchange membrane (PEM) fuel cells. However, the current industrial processes for producing high purity hydrogen are not only expensive, but also come with low energy ...
Dong Mao, J. Griffin, Richard Dawson, A. Fairhurst, Nuno Bimbo   +4 more
semanticscholar   +1 more source

Prospective metal hydride hydrogen storage and purification technologies

Известия высших учебных заведений: Проблемы энергетики, 2021
To develop metal hydride reactors for storage and purification hydrogen of various types. Integrate metal hydride hydrogen storage and purification devices with a fuel cell (FC) and an electrolyzer with a solid polymer electrolyte. METHODS.
D. V. Blinov, V. I. Borzenko, A. V. Bezdudny, N. V. Kuleshov   +3 more
doaj   +1 more source

Efficient purification of hydrogen cyanide by synergistic effects of electrochemical and liquid phase catalysis

Ecotoxicology and Environmental Safety, 2021
In this study, Co, Cu, Pd, and Pd/Cu composite metal ions were used to synthesize metal nanoparticles with high efficiency in purifying hydrogen cyanide gas. The pure liquid phase catalytic purification of hydrogen cyanide gas was studied.
Zhishuncheng Li, Bangjin Chen, Junyan Li, Guangfei Qu, Ping Ning, Xi Ma, Ruosong Xie   +6 more
doaj   +1 more source

Numerical analysis of constructive and regime parameter effects on the efficiency of metal hydride systems for hydrogen purification

Case Studies in Thermal Engineering, 2019
This work used a numerical method to study the influence of such parameters as inlet pressure in the system, thermal conductivity of the bed, cooling conditions of the reactor and its geometric characteristics on the efficiency of a metal hydride ...
Maxim D. Nashchekin, Konstantin B. Minko, Valerij I. Artemov   +2 more
doaj   +1 more source

Cycling performance for storage and purification of lanthanum‐rich mischmetal alloy in the presence of hydrogen sulfide

Energy Science & Engineering, 2021
With the continuous expansion of the high‐purity hydrogen application range, the performance degradation of hydrogen storage alloy (HSA) caused by impurities has attracted widespread attention in producing pure hydrogen from biomass.
Shan Miao, Akashi Eguchi, Noboru Katayama, Kiyoshi Dowaki   +3 more
doaj   +1 more source

Characterization of Pd₆₀Cu₄₀ Composite Membrane Prepared by a Reverse Build-Up Method for Hydrogen Purification

Energies, 2021
A thin Pd-based H2-permeable membrane is required to produce high-purity H2 with high efficiency. In this study, a porous Ni-supported Pd60Cu40 composite H2-permeable membrane was developed using a reverse build-up method to produce economical H2 ...
Yasunari Shinoda, Masakazu Takeuchi, Hikaru Mizukami, Norikazu Dezawa, Yasuhiro Komo, Takuya Harada, Hiroki Takasu, Yukitaka Kato   +7 more
doaj   +1 more source

PURIFICATION AND CHARACTERIZATION OF POLY-HYDROXYBUTYRATE (PHB) IN CUPRIAVIDUS NECATOR

Indonesian Journal of Chemistry, 2010
Purification and characterization of biodegradable plastic namely Polyhydroxybutyrate (PHB) in Cupriavidus necator have been carried out. C. necator was grown on a Ramsay medium with fixed substrate conditions and optimized for time.
Sergio Leon De Rooy, Endang Tri Wahyuni, Wiratni Wiratni, Siti Syamsiah, Jamil Ismail   +4 more
doaj   +1 more source

Enhancing Methane Removal Efficiency of ZrMnFe Alloy by Partial Replacement of Fe with Co

Molecules, 2023
High-purity hydrogen is extensively employed in chemical vapor deposition, and the existence of methane impurity significantly impacts the device performance. Therefore, it is necessary to purify hydrogen to remove methane.
Shumei Chen, Miao Du, Shuai Li, Zhinian Li, Lei Hao   +4 more
doaj   +1 more source