Results 21 to 30 of about 4,483,134 (295)

Experimental research and kinetics analysis on hydrogen reduction of limonite

工程科学学报, 2015
This article presents experimental studies on the effects of H2 on the reduction degree and rate of limonite at different temperatures and kinetic analysis during the hydrogen reduction.
LI Lin, NIU Li, GUO Han-jie, DUAN Sheng-chao, LI Yong-qi, MENG Xiang-long   +5 more
doaj   +1 more source

Evolution of reduction process from tungsten oxide to ultrafine tungsten powder via hydrogen

High Temperature Materials and Processes, 2021
Herein, the evolution of reduction process of ultrafine tungsten powder in industrial conditions was investigated. The transition process of morphology and composition was examined via SEM, XRD, and calcination experiments.
Wang Yue, Long Ben Fu, Liu Chun Yu, Lin Gao An   +3 more
doaj   +1 more source

Effect of treatment process on the formability of Fe–Al alloy powders and the crushing strength of green compacts

Fenmo yejin jishu, 2022
To improve the formability of Fe–Al alloy powders and the crushing strength of green compacts, the effects of hydrogen reduction and vacuum annealing on the morphology and properties of the Fe–Al alloy powders were analyzed, and the forming rate of the ...
DENG Ying, WU Yin-jiang, NAN Hai-juan, LIANG Yong-ren, MENG Qiang   +4 more
doaj   +1 more source

Transformation of Iron (III) Nitrate from an Aerosol by Ultrasonic Spray Pyrolysis and Hydrogen Reduction

Metals, 2023
Due to their unique properties, iron nanoparticles find diverse applications across various fields, including catalysis, electronics, wastewater treatment, and energy storage.
Srecko Stopic, Ayadjenou Humphrey Hounsinou, Koffi Aka Stéphane, Tatjana Volkov Husovic, Elif Emil-Kaya, Bernd Friedrich   +5 more
doaj   +1 more source

H2BASQUE - TECHNOLOGIES FOR BOOSTING THE HYDROGEN ECONOMY IN THE BASQUE COUNTRY: GREEN HYDROGEN PRODUCTION

, 2022
Publisher Copyright: © 2022 Proceedings of WHEC 2022 - 23rd World Hydrogen Energy Conference: Bridging Continents by H2. All rights reserved.H2BASQUE is a strategic project funded by the Basque Government for developing innovative technologies (and their
Alcaide, Francisco, Irigoyen, Jone, Doppiu, Stefania, Fernandez, Ekain, Oregui-Bengoechea, Mikel, Berasategui, Eva G., Unzueta, Elias, Sanchez, Beatriz Calleja   +7 more
core   +1 more source

High-Moment FeCo Magnetic Nanoparticles Obtained by Topochemical H₂ Reduction of Co-Ferrites

Applied Sciences, 2022
Cobalt ferrite nanoparticles of different stoichiometries synthesized by a sol–gel autocombustion method were used as a starting material to obtain high-moment Fe50Co50 and Fe66Co34 metal nanoparticles by topochemical hydrogen reduction.
Alexander Omelyanchik, Gaspare Varvaro, Pierfrancesco Maltoni, Valeria Rodionova, Jean-Pierre Miranda Murillo, Federico Locardi, Maurizio Ferretti, Claudio Sangregorio, Fabio Canepa, Petr Chernavsky, Nikolai Perov, Davide Peddis   +11 more
doaj   +1 more source

Enabling the injection of hydrogen in high-pressure gas grids: Investigation of the impact on materials and equipment [PDF]

, 2023
Publisher Copyright: © 2023 Hydrogen Energy Publications LLCGreen hydrogen is a renewable gas that can help to reach the goal of decarbonizing the energy sector.
Madina, Virginia, Alberto Cerezo, Ekain Fernandez, Vanesa Gil, Cerezo, Alberto, Ma Dolores Storch de Gracia, Storch de Gracia, Ma Dolores, Virginia Madina, Fernandez, Ekain, Jorge Aragón, Aragón, Jorge, Sánchez-Laínez, Javier, Gil, Vanesa, Javier Sánchez-Laínez   +13 more
core   +1 more source

Recovery of Magnetic Particles from Wastewater Formed through the Treatment of New Polycrystalline Diamond Blanks

Waste, 2023
Cobalt’s pivotal role in global development, especially in lithium-ion batteries, entails driving increased demand and strengthening global trading networks. The production of different waste solutions in metallurgical operations requires the development
Saliha Keita, Srecko Stopic, Ferdinand Kiessling, Tatjana Volkov Husovic, Elif Emil Kaya, Slavko Smiljanic, Bernd Friedrich   +6 more
doaj   +1 more source

INJECTION OF HYDROGEN INTO HIGH PRESSURE NATURAL GAS GRIDS: INVESTIGATION OF THE IMPACT ON MATERIALS AND EQUIPMENT AT RELEVANT ENVIRONMENT

, 2022
Publisher Copyright: © 2022 Proceedings of WHEC 2022 - 23rd World Hydrogen Energy Conference: Bridging Continents by H2. All rights reserved.This work addresses the potential of hydrogen injection into the transmission high pressure natural gas grid as ...
Madina, Virginia, de Gracia, María Dolores Storch, Fernandez, Ekain, Cerezo-Alarcón, Alberto, Gil, Vanesa, Sánchez-Laínez, Javier   +5 more
core   +1 more source

Computational analysis of an HCCI engine fuelled with hydrogen/hydrogen peroxide blends [PDF]

, 2022
Copyright © 2022 The Authors. In the current work, Chemkin Pro's HCCI numerical model is used in order to explore the feasibility of using hydrogen in a dual fuel concept where hydrogen peroxide acts as ignition promoter.
Tingas, E-A, Dimitrova, LD, Megaritis, T, Ganippa, LC   +3 more
core   +1 more source