Explanipedia

Enrichment of ferroniobium from Bayan Obo tailings using selective carbonization roasting and magnetic separation Open

Sughun Chang, Mingjun Rao, Boqi Wang, Tao Jiang, Guanghui Li , et al. · 2025

This research presents a novel approach to beneficiate ferroniobium from Bayan Obo tailings (BOT) by combining selective carbonization roasting with magnetic separation. By exploiting different reduction pathways during roasting, niobium o…

Enrichment of Ferroniobium from Bayan Obo Tailings Using Selective Carbonization Roasting and Magnetic Separation Open

Sughun Chang, Mingjun Rao, Boqi Wang, Tao Jiang, Guanghui Li , et al. · 2025

A Study on Development in Engineering Properties of Dense Grade Bituminous Mixes with Coal Ash by Using Natural Fiber Open

Mingjun Rao, D. Krishna · 2024

Coal-based thermal power plants in India produce significant waste, primarily fly ash and bottom ash, which poses environmental and health risks when disposed of in large quantities. This research explores the effective use of these waste …

A Review of the Occurrence and Recovery of Rare Earth Elements from Electronic Waste Open

Binjun Liang, Jihan Gu, Xiangrong Zeng, Weiquan Yuan, Mingjun Rao , et al. · 2024

Electronic waste (e-waste) contains valuable rare earth elements (REEs) essential for various high-tech applications, making their recovery crucial for sustainable resource management. This review provides an overview of the occurrence of …

Preparation of Metallized Pellets for Steelmaking by Hydrogen Cooling Reduction with Different Cooling Rates Open

Guanwen Luo, Zhiwei Peng, Kangle Gao, Wanlong Fan, Ran Tian , et al. · 2024

To utilize the sensible heat of hot roasted iron ore pellets with no CO2 emission in the production of metallized pellets for direct steelmaking, the pellets were reduced in H2 during their cooling process with variable cooling rates. When…

Toward Metallized Pellets for Steelmaking by Hydrogen Cooling Reduction: Effect of Gas Flow Rate Open

Wanlong Fan, Zhiwei Peng, Ran Tian, Guanwen Luo, Lingyun Yi , et al. · 2024

This study proposed a strategy to prepare metalized pellets for direct steelmaking by hydrogen cooling reduction (HCR) of iron ore pellets with a focus on the effect of H2 flow rate on the process. It was demonstrated that increasing H2 fl…

Advancing Adsorption and Separation with Modified SBA-15: A Comprehensive Review and Future Perspectives Open

Binjun Liang, Pingxin Zhu, Jihan Gu, Weiquan Yuan, Bin Xiao , et al. · 2024

Mesoporous silica SBA-15 has emerged as a promising adsorbent and separation material due to its unique structural and physicochemical properties. To further enhance its performance, various surface modification strategies, including metal…

Competitive Adsorption of Moisture and SO2 for Carbon Dioxide Capture by Zeolites FAU 13X and LTA 5A Open

Xiduan Yang, Qishuai Wang, Jing Chen, Huibo Liu, Liangping Xu , et al. · 2024

Zeolites exhibit significant potential as porous materials for selective carbon dioxide (CO2) capture, leveraging their distinctive adsorption properties. However, the presence of moisture (H2O) and sulfur dioxide (SO2) in flue gas streams…

Microwave Treatment of Copper–Nickel Sulfide Ore for Promotion of Grinding and Flotation Open

Xiaolei Fang, Zhiwei Peng, Tianle Yin, Mingjun Rao, Guanghui Li · 2024

The effect of microwave treatment on the grinding and flotation performance of a typical copper–nickel sulfide ore was evaluated, based on the determination of its microwave absorption capability, grinding and flotation indexes such as cra…

CO–H2 Gas-Based Reduction Behavior of Cr-Rich Electroplating Sludge Mixed with Iron Ore Powder Open

Jian Zhang, Zhiwei Peng, Lingyun Yi, Mingjun Rao · 2024

Cr-rich electroplating sludge (CRES) is a complicated solid waste with high contents of chromium and iron. It can be used as a main feed of the FINEX ironmaking process, which requires gas-based reduction before smelting reduction to produ…

Uniformly Dispersed Bismuth Nanoclusters Anchored on Reduced Graphene Oxide (Rgo)&Carbon Black for High-Efficiency Electroreduction Co2 to Formate Open

Guanghui Li, Yuxuan Shi, Xiduan Yang, Changye Mang, Jun Luo , et al. · 2024

Direct Conversion of Blast Furnace Ferronickel Slag to Thermal Insulation Materials Open

Zhiwei Peng, Wanlong Fan, Huimin Tang, Chaojun Xiang, Lei Ye , et al. · 2023

Microwave Drying Kinetics of Chromium-Rich Electroplating Sludge Open

Jian Zhang, Zhiwei Peng, Guanwen Luo, Ran Tian, Mingjun Rao · 2022

Chromium-rich electroplating sludge (CRES) is a hazardous solid waste with a high content of moisture requiring efficient drying before subsequent treatment. In this study, the microwave drying kinetics of CRES were examined. The results s…

Identification of Molecular Subtypes and a Novel Prognostic Model of Sepsis Based on Ferroptosis-Associated Gene Signature Open

Hang Yang, Yanhui Cui, Wenzhong Peng, Fei Zhu, Shiyang Ma , et al. · 2022

Ferroptosis has recently been associated with immunological changes in sepsis. However, the clinical significance of ferroptosis-associated genes (FAGs) remains unknown. In this paper, a FAG-based prognostic model was constructed for sepsi…

Risk factors and mortality of carbapenem-resistant Klebsiella pneumoniae bloodstream infection in a tertiary-care hospital in China: an eight-year retrospective study. Open

Hang Yang, Hua Ma, Xiaoming Huang, Yanhui Cui, Wenzhong Peng , et al. · 2022

Background The prevalence of carbapenem-resistant Klebsiella pneumonia bloodstream infection (CRKP-BSI) is increasing worldwide. CRKP-BSI is associated with high rates of morbidity and mortality due to limited antibiotic choices. Here, we …

Enrichment of Nb and Ti from carbonatite pyrochlore ore via calcining-slaking followed by gravity separation Open

Shuhui Zhang, Mingjun Rao, Rendong Xiao, Jinxiang You, LI Guang-hui , et al. · 2022

In this work, a novel process consisting of calcining-slaking followed by gravity separation for the enrichment of niobium (Nb) and titanium (Ti) from carbonatite pyrochlore ore was proposed, validated and compared with the current mainstr…

An Insight into the Carbothermic Reduction Behavior of Pyrochlore Open

Shu‐Hui Zhang, Guanghui Li, Jinxiang You, Jun Luo, Lingyun Yi , et al. · 2022

Features and mechanisms of self-sintering of molybdenite during oxidative roasting Open

Hu Sun, Guang-hui LI, Qunzhen Bu, Zhong-qiao FU, Hui-bo LIU , et al. · 2022

Roasting experiments were carried out with pure reagents as raw materials. The self-sintering behaviors of molybdenite (MoS2) during oxidation were investigated by thermodynamic calculation, XRD, SEM-EDS and high-temperature in situ analys…

Extraction of vanadium from low-vanadium grade magnetite concentrate pellets with sodium salt Open

Shuhui Zhang, Guanghui Li, Rendong Xiao, Jun Luo, Lingyun Yi , et al. · 2021

Correction to: Efficient Preparation of Blast Furnace Burdens from Titanomagnetite Concentrate by Composite Agglomeration Process Open

Tao Jiang, Liangping Xu, Qiang Zhong, Chen Liu, Huibo Liu , et al. · 2021

Partial substitution of anthracite for coke breeze in iron ore sintering Open

Xin Zhang, Qiang Zhong, Chen Liu, Mingjun Rao, Zhiwei Peng , et al. · 2021

Co-Conversion Mechanisms of Boron and Iron Components of Ludwigite Ore during Reductive Soda-Ash Roasting Open

Xin Zhang, Guanghui Li, Mingjun Rao, Zhiwei Peng, Qiang Zhong , et al. · 2020

Ludwigite ore is a typical intergrown mineral resource found in China. Reductive soda-ash roasting followed by water leaching is an innovative process for the high-efficiency separation and recovery of boron and iron. In this study, the co…

Thermodynamics guided ultrafast and continuous preparation of Mo2C nanocrystals for hydrogen evolution electrocatalysis Open

Hu Sun, Guanghui Li, Jun Luo, Mingjun Rao, Zhiwei Peng , et al. · 2020

Solvent Extraction of Ni and Co from the Phosphoric Acid Leaching Solution of Laterite Ore by P204 and P507 Open

Mingjun Rao, Tao Zhang, Guanghui Li, Qun Zhou, Jun Luo , et al. · 2020

An alternative process of pre-roasting, phosphoric acid leaching followed by solvent extraction of a limonitic laterite ore was described in this work, with emphasis on the solvent extraction of Ni and Co from the phosphoric acid leaching …

Recovering Magnesium from Ferronickel Slag by Vacuum Reduction: Thermodynamic Analysis and Experimental Verification Open

Xin Zhang, Foquan Gu, Zhiwei Peng, Liancheng Wang, Huimin Tang , et al. · 2019

The feasibility of recovering magnesium from ferronickel slag by vacuum reduction was evaluated. The thermodynamic calculations indicated that the magnesia in slag can be reduced to gaseous magnesium by Si, FeSi, Al, and C, with the minimu…

Extraction of Boron from Ludwigite Ore: Mechanism of Soda-Ash Roasting of Lizardite and Szaibelyite Open

Xin Zhang, Guanghui Li, Jinxiang You, Jian Wang, Jun Luo , et al. · 2019

Ludwigite ore is a typical low-grade boron ore accounting for 58.5% boron resource of China, which is mainly composed of magnetite, lizardite and szaibelyite. During soda-ash roasting of ludwigite ore, the presence of lizardite hinders the…

Selectively leaching the iron-removed bauxite residues with phosphoric acid for enrichment of rare earth elements Open

Bona Deng, Guanghui Li, Jun Luo, Qing Ye, Mingxia Liu , et al. · 2019

Energy Saving of Composite Agglomeration Process (CAP) by Optimized Distribution of Pelletized Feed Open

Guanghui Li, Chen Liu, Zhengwei Yu, Mingjun Rao, Qiang Zhong , et al. · 2018

The composite agglomeration process (CAP) aims at sintering a pelletized feed and a matrix feed together to produce a high-quality burden for a blast furnace. The pelletized feed is balled from fine iron concentrate or refractory iron-bear…

Utilization of the MgO-Rich Residue Originated from Ludwigite Ore: Hydrothermal Synthesis of MHSH Whiskers Open

Guanghui Li, Li Fang, Xin Zhang, Binjun Liang, Mingjun Rao , et al. · 2017

In this work, from the MgO-enriched residue originated from ludwigite ore, value-added magnesium hydroxide sulfate hydrate (MHSH) whiskers were prepared via sulfuric acid leaching and leachate purification, followed by hydrothermal synthes…

Porous Materials from Thermally Activated Kaolinite: Preparation, Characterization and Application Open

Jun Luo, Tao Jiang, Guanghui Li, Zhiwei Peng, Mingjun Rao , et al. · 2017

In the present study, porous alumina/silica materials were prepared by selective leaching of silicon/aluminum constituents from thermal-activated kaolinite in inorganic acid or alkali liquor. The correlations between the characteristics of…

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