Yongxiang Yang
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View article: Evaluation of early-stage dissolution of spent NdFeB permanent magnets in organic acids by in-situ quantitative reflected light microscopy
Evaluation of early-stage dissolution of spent NdFeB permanent magnets in organic acids by in-situ quantitative reflected light microscopy Open
A hyphenated optical-electrochemical set-up was used to investigate the early-stage dissolution mechanism of NdFeB permanent magnets immersed in acetic, citric, and formic acids at concentrations of 0.01 and 0.1 M. This approach enabled a …
View article: Bulk Ferroelectric Heterostructures: Imprinted Actuators
Bulk Ferroelectric Heterostructures: Imprinted Actuators Open
Domain switching is the cornerstone of ferroelectric materials. Most associated functionalities can be tuned via domain switching, including but not limited to piezoelectricity, thermal conductivity, domain wall conductivity and topologica…
View article: Impact of H2-enrichment and ore mineralogy on the reduction of varying iron ores in suspension smelting ironmaking
Impact of H2-enrichment and ore mineralogy on the reduction of varying iron ores in suspension smelting ironmaking Open
View article: A Review of Heat Transfer and Numerical Modeling for Scrap Melting in Steelmaking Converters
A Review of Heat Transfer and Numerical Modeling for Scrap Melting in Steelmaking Converters Open
Steel is an important product in many engineering sectors; however, steelmaking remains one of the largest CO2 emitters. Therefore, new governmental policies drive the steelmaking industry toward a cleaner and more sustainable operation su…
View article: Critical Review on Heat Transfer Correlations and Numerical Modeling for Scrap Melting in Converter Steelmaking Process
Critical Review on Heat Transfer Correlations and Numerical Modeling for Scrap Melting in Converter Steelmaking Process Open
Steel is an important product in many engineering sectors, however, the steelmaking industry is one of the largest CO2 emitters. Because of this, new governmental policies push the steelmaking industry toward a cleaner and more sustainable…
View article: Simultaneous Recycling of Spent LiFePO4 and LiNixMnyCozO2 Li-Ion Batteries Under Mild Leaching Conditions
Simultaneous Recycling of Spent LiFePO4 and LiNixMnyCozO2 Li-Ion Batteries Under Mild Leaching Conditions Open
The growing demand for lithium-ion batteries (LiBs) for energy storage has intensified the need for the critical raw materials (CRMs) they contain, including Li, Co, Ni, and Mn. Consequently, the incentive to recycle LIBs is increasing. Ho…
View article: An Acid Free Electrified Process for Recycling Rare-Earth Elements from NdFeB Magnet Waste
An Acid Free Electrified Process for Recycling Rare-Earth Elements from NdFeB Magnet Waste Open
View article: Evaluation of early-stage dissolution of spent NdFeB permanent magnet in organic acids by in-situ quantitative reflected microscopy
Evaluation of early-stage dissolution of spent NdFeB permanent magnet in organic acids by in-situ quantitative reflected microscopy Open
View article: Small Capillary with Great Power: Liquid-Phase Diffusion Coefficient Measurement by Label-Free Sers
Small Capillary with Great Power: Liquid-Phase Diffusion Coefficient Measurement by Label-Free Sers Open
View article: Characterisation of Varying Iron Ores and Their Thermal Decomposition Kinetics Under HIsarna Ironmaking Conditions
Characterisation of Varying Iron Ores and Their Thermal Decomposition Kinetics Under HIsarna Ironmaking Conditions Open
In the pre-reduction cyclone of the HIsarna process, both thermal decomposition and gas reduction of the injected iron ores occur simultaneously at gas temperatures of 1723–1773 K. In this study, the kinetics of the thermal decomposition o…
View article: A closer look at lithium-ion batteries in E-waste and the potential for a universal hydrometallurgical recycling process
A closer look at lithium-ion batteries in E-waste and the potential for a universal hydrometallurgical recycling process Open
The demand for lithium-ion batteries (LiBs) is rising, resulting in a growing need to recycle the critical raw materials (CRMs) which they contain. Typically, all spent LiBs from consumer electronics end up in a single waste stream that is…
View article: On the pre-treatment for recycling spent NdFeB permanent magnets: from disassembling, characterisation to de-coating
On the pre-treatment for recycling spent NdFeB permanent magnets: from disassembling, characterisation to de-coating Open
An evaluation of neodymium‑iron‑boron permanent magnets (NdFeB PMs) from different end-of-life products, as a secondary resource of rare-earth elements (REEs), is presented. De-coating of PM was investigate as pre-treatment to facilitate e…
View article: Removal of Lead and Zinc from Blast Furnace Sludge Through High Temperature Carbochlorination
Removal of Lead and Zinc from Blast Furnace Sludge Through High Temperature Carbochlorination Open
A new dual kiln processing route has been proposed and investigated for removal of heavy metals from the zinc-rich fraction of blast furnace (BF) sludge and recovery of ferrous materials. The zinc in BF sludge exists both as ZnO and ZnS. T…
View article: Study on Multi-Physical Fields in a Submerged-Arc Furnace for Ferroalloy Production Using a Coupled 3d Numerical Model
Study on Multi-Physical Fields in a Submerged-Arc Furnace for Ferroalloy Production Using a Coupled 3d Numerical Model Open
View article: On the Importance of Model Selection for CFD Analysis of High Temperature Gas-Solid Reactive Flow; Case Study: Post Combustion Chamber of HIsarna Off-Gas System
On the Importance of Model Selection for CFD Analysis of High Temperature Gas-Solid Reactive Flow; Case Study: Post Combustion Chamber of HIsarna Off-Gas System Open
In this paper a CFD analysis of HIsarna off-gas system for post combustion of CO-H2-carbon particle mixture is presented to evaluate the effect of different sub-models and parameters on the accuracy of predictions and simulation time. The …
View article: Thermodynamic analysis of zinc ferrite (ZnFe<sub>2</sub>O<sub>4</sub>) formation inside the HIsarna off-gas system
Thermodynamic analysis of zinc ferrite (ZnFe<sub>2</sub>O<sub>4</sub>) formation inside the HIsarna off-gas system Open
HIsarna reactor is characterized by a high raw materials versatility and is therefore attractive for processing secondary iron sources. Among the materials that can be recycled through HIsarna, zinc-bearing material has drawn a special att…
View article: Off-Gas System Scale-Up of HIsarna Iron-Making Process: A CFD-Based Approach
Off-Gas System Scale-Up of HIsarna Iron-Making Process: A CFD-Based Approach Open
View article: Granular Flow Modeling of Galvanized Steel Scrap Injection into the HIsarna Iron‐Making Reactor
Granular Flow Modeling of Galvanized Steel Scrap Injection into the HIsarna Iron‐Making Reactor Open
Galvanized steel scrap flow and injection into the HIsarna reactor are investigated using discrete element method (DEM). The scrap particle is fed into the reactor through an inclined chute and hits the slag surface where the zinc content …
View article: Desulfurization of High‐Sulfur HIsarna Hot Metal
Desulfurization of High‐Sulfur HIsarna Hot Metal Open
The cover shows hot metal tapped from the HIsarna Pilot Plant at Tata Steel in IJmuiden, the Netherlands. The graphs show plant data distribution for hot metal desulfurization heats with the 25 % highest and lowest specific magnesium consu…
View article: Scenario data for article: Effects of the energy transition on environmental impacts of cobalt supply: A prospective Life Cycle Assessment study on future supply of cobalt
Scenario data for article: Effects of the energy transition on environmental impacts of cobalt supply: A prospective Life Cycle Assessment study on future supply of cobalt Open
This dataset contains the background data for the paper 'Effects of the energy transition on environmental impacts of the cobalt supply: A prospective Life Cycle Assessment study on the future cobalt supply' as published in the Journal of …
View article: Scenario data for article: Effects of the energy transition on environmental impacts of cobalt supply: A prospective Life Cycle Assessment study on future supply of cobalt
Scenario data for article: Effects of the energy transition on environmental impacts of cobalt supply: A prospective Life Cycle Assessment study on future supply of cobalt Open
This dataset contains the background data for the paper 'Effects of the energy transition on environmental impacts of the cobalt supply: A prospective Life Cycle Assessment study on the future cobalt supply' as published in the Journal of …
View article: CFD modelling of the off-gas system of HIsarna iron making process. Part 1: model development using detailed reaction mechanism for post-combustion of CO–H<sub>2</sub> mixture and carbon particles
CFD modelling of the off-gas system of HIsarna iron making process. Part 1: model development using detailed reaction mechanism for post-combustion of CO–H<sub>2</sub> mixture and carbon particles Open
The HIsarna process is a new and breakthrough smelting reduction process for hot metal (liquid iron) production from iron ores and coal directly fed into the reactor. The flue gas from the main reactor enters the off-gas system containing …
View article: CFD modelling of the off-gas system HIsarna iron making process part 2: reflux chamber geometry modification and effects on flow behaviour
CFD modelling of the off-gas system HIsarna iron making process part 2: reflux chamber geometry modification and effects on flow behaviour Open
A three-dimensional computational fluid dynamics (CFD) model for the HIsarna off-gas system is set up and validated by real plant data. In the model detailed reaction mechanism and kinetic data for post-combustion of CO-H2 mixture and carb…
View article: Effects of the energy transition on environmental impacts of cobalt supply: A prospective life cycle assessment study on future supply of cobalt
Effects of the energy transition on environmental impacts of cobalt supply: A prospective life cycle assessment study on future supply of cobalt Open
Cobalt is considered a key metal in the energy transition, and demand is expected to increase substantially by 2050. This demand is for an important part because of cobalt use in (electric vehicle) batteries. This study investigated the en…
View article: Zinc Vaporization and Self-reduction Behavior of Industrial Waste Residues for Recycling to the HIsarna Furnace
Zinc Vaporization and Self-reduction Behavior of Industrial Waste Residues for Recycling to the HIsarna Furnace Open
View article: An improved method of phase-locked loop grid-connected inverter based on capacitor voltage full feedforward
An improved method of phase-locked loop grid-connected inverter based on capacitor voltage full feedforward Open
View article: Scenario data for article: Environmental impacts of key metals' supply and low-carbon technologies are likely to decrease in the future
Scenario data for article: Environmental impacts of key metals' supply and low-carbon technologies are likely to decrease in the future Open
This dataset contains the background scenarios for metal supply used for the publication "Environmental impacts of key metals' supply and low-carbon technologies are likely to decrease in the future" in the Journal of Industrial Ecology (2…
View article: Scenario data for article: Environmental impacts of key metals' supply and low-carbon technologies are likely to decrease in the future
Scenario data for article: Environmental impacts of key metals' supply and low-carbon technologies are likely to decrease in the future Open
This dataset contains the background scenarios for metal supply used for the publication "Environmental impacts of key metals' supply and low-carbon technologies are likely to decrease in the future" in the Journal of Industrial Ecology (2…
View article: Silicon in hot metal from a blast furnace, the role of FeO
Silicon in hot metal from a blast furnace, the role of FeO Open
Silicon [Si] in hot metal is an impurity acting in the steel shop as an energy source that is released by oxidation during oxygen blowing in the converter. Preferred silicon concentration in hot steel is typically 0.4 wt-% (± 0.1 wt-%), he…
View article: Upscaling of Permanent Magnet Dismantling and Recycling through VALOMAG Project
Upscaling of Permanent Magnet Dismantling and Recycling through VALOMAG Project Open
Neodymium-Iron-Boron (NdFeB) based permanent magnets are indispensable in today’s technology-driven society. Moreover, their use is likely to increase since they are key in clean energy applications such as wind turbines, hybrid/elec…