HEMATITE

作品数:186被引量:371H指数:8
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相关作者:印万忠吕振福周大鹏杨小生李艳军更多>>
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Evaluation of MgO on hematite swelling dynamics during CO-driven stepwise reduction
《Journal of Iron and Steel Research International》2025年第3期564-577,共14页Fang Zhang Jun Peng Shuang Liu Yong-bin Wang Fan Yang 
support from the 2023 Basic Research Foundation Project for Universities in the Inner Mongolia Autonomous Region(Grant No.2023RCTD006);the National Natural Science Foundation of China(Grant No.51864041,51664044).
The significant effect of MgO in inhibiting the reduction swelling of iron ore pellets has been widely recognized.The swelling behaviors of pellets during the stepwise reduction by CO were assessed.The linear expansio...
关键词:MGO HEMATITE Reduction swelling Step-by-step reduction 
In-situ reduction mechanism of hematite by bastnaesite during suspension magnetization roasting
《Transactions of Nonferrous Metals Society of China》2025年第3期965-974,共10页Wen-bo LI Shao-kai CHENG Rui QU Ji-jia CHEN 
the financial support from the National Key R&D Program of China(No.2022YFC2905800);the National Natural Science Foundation of China(Nos.52174242,52130406)。
To explore the spontaneous magnetization of iron-bearing rare earth ores during suspension roasting,binary minerals containing hematite and bastnaesite were used to investigate the effects of the roasting temperature,...
关键词:BASTNAESITE HEMATITE magnetization roasting in-situ reduction 
Review of the structural properties and interfacial reactions of Al-substituted goethite,hematite and ferrihydrite
《Pedosphere》2025年第1期42-52,共11页Yu LIANG Hongfeng CHEN Jinling XU Mingxia WANG Wenfeng TAN 
financially supported by the National Natural Science Foundation of China(Nos.42207352,42007020,and 42007015);the Natural Science Fund for Excellent Young Scholars of Hainan Province,China(No.324YXQN421)。
Isomorphic substitution of ferric ion(Fe~(3+))by aluminum ion(Al~(3+))in iron(hydro)oxides is ubiquitous in natural environments.Aluminum substitution inevitably leads to changes in the microstructures,physicochemical...
关键词:adsorption defective structure iron(hydro)oxide isomorphic substitution surface active site surface charge behavior 
Dual mediators promote charge transfer of hematite photoanode for durable photoelectrocatalytic water splitting
《Chinese Journal of Catalysis》2025年第2期75-83,共9页Yuanyuan Jiang Yan Zhang Mengmeng Liu Lulu Liu Hong Chen Sheng Ye 
国家自然科学基金(22372001);安徽省自然科学基金优青项目(2408085Y008);安徽农业大学高层次人才科研启动基金(rc382108);国家级大学生创新创业训练计划(X202310364209).
Regulating the interfacial charge transfer is pivotal for elucidating the kinetics of engineering the interface between the light-harvesting semiconductor and the substrate/catalyst for photoelectrocatalytic water spl...
关键词:HEMATITE Molecular catalyst Charge transfer mediator Photoelectrocatalytic water splitting 
SCAPS 1D Simulation of a Lead-Free Perovskite Photovoltaic Solar Cell Using Hematite as Electron Transport Layer
《Modeling and Numerical Simulation of Material Science》2024年第4期97-106,共10页Souleymane Tuo Konan Boua Marc Kevin Koffi Koffi Arnaud Kamenan Joseph Datte Abé Simon Yapi 
In recent years, there has been remarkable progress in the performance of metal halide perovskite solar cells. Studies have shown significant interest in lead-free perovskite solar cells (PSCs) due to concerns about t...
关键词:CH3NH3SnI3 Α-FE2O3 SCAPS 1D Thickness Doping Defect Optimisation 
Selective flocculation-flotation of ultrafine hematite from clay minerals under asynchronous flocculation regulation
《International Journal of Mining Science and Technology》2024年第11期1563-1574,共12页Fusheng Niu Yuying Chen Jinxia Zhang Fei Liu Ziye Wang 
funded by the National Natural Science Foundation of China(No.52374265);the Central Guided Local Science and Technology Development Funding Program(No.236Z4106G);the Natural Science Foundation of Hebei Province(No.E2022209108);Key Projects of Hebei Provincial Department of Education(No.ZD2022059)。
The clay mineral flocculation encapsulation poses a major technical challenge in the field of fine mineral separation.Enhancing the ability to separate clay minerals from target mineral surfaces is key to addressing t...
关键词:CHLORITE HEMATITE KAOLINITE Ultrafine particles Asynchronous flocculation 
Activation of hematite photoanode synthesized at low temperature by W doping
《Journal of Energy Chemistry》2024年第10期149-155,I0004,共8页Changtong Ma Dongfeng Li Lin Liu Xiuli Wang Hongxian Han 
financially supported by the National Key R&D Program of China under contact No.2017YFA0204804;the National Natural Science Foundation of China under contact Nos.21761142018,21473189 and 22088102 for supporting Fundamental Research Center of Artificial Photosynthesis (FReCAP)。
1.Introduction Solar water splitting offers a promising approach for green hydrogen production[1].There are many ways to achieve solar water splitting,such as photocatalytic(PC)water splitting,photoelectrochemical(PEC...
关键词:HEMATITE Solar water splitting Charge separation Charge transfer 
Cooperative effect of sodium lauryl sulfate collector and sodium pyrophosphate depressant on the flotation separation of lead oxide minerals from hematite
《International Journal of Minerals,Metallurgy and Materials》2024年第9期1975-1984,共10页Honghu Tang Bingjian Liu Mengshan Li Qiancheng Zhang Xiongxing Zhang Feng Jiang 
supported by the National Natural Science Foundation of China(Nos.52004335 and 52204298);the National Natural Science Foundation of Hunan Province,China(No.2023JJ20071);the Science and Technology Innovation Program of Hunan Province,China(No.2023RC3067).
As a cornerstone of the national economy,the iron and steel industry generates a significant amount of sintering dust containing both valuable lead resources and deleterious elements.Flotation is a promising technique...
关键词:sintering dust flotation separation sodium lauryl sulfate sodium pyrophosphate selective adsorption 
The role of titanium at the interface of hematite photoanode in multisite mechanism:Reactive site or cocatalyst site?
《Chinese Journal of Catalysis》2024年第9期77-86,共10页Minfei Xie Xing Ji Huaying Meng Nanbing Jiang Zhenyu Luo Qianqian Huang Geng Sun Yunhuai Zhang Peng Xiao 
中央高校基础研究基金(2022CDJQY-007,2022CDJJCLK001,2023CDJXY-046).
Hematite(α-Fe_(2)O_(3))constitutes one of the most promising photoanode materials for oxygen evolution reaction(OER).Recent research on Fe_(2)O_(3) have found a fast OER rate dependence on surface hole density,sugges...
关键词:HEMATITE Oxygen evolution reaction Multisite mechanism INTERMEDIATE Proton capture 
First-principles study on the heterogeneous formation of environmentally persistent free radicals(EPFRs)overα-Fe2O3(0001)surface:Effect of oxygen vacancy
《Journal of Environmental Sciences》2024年第8期279-289,共11页Wenxiao Pan Shuming He Qiao Xue Xian Liu Jianjie Fu Kang Xiao Aiqian Zhang 
supported by the National Natural Science Foundation of China(Nos.21976206,22136001,22276197,92143201);the National Key Research and Development Program of China(No.2020YFA0907500);the Beijing Natural Science Foundation(No.JQ22027)。
Metal oxides with oxygen vacancies have a significant impact on catalytic activity for the transformation of organic pollutants in waste-to-energy(WtE)incineration processes.This study aims to investigate the influenc...
关键词:EPFR formation Phenol dissociation Oxygen-vacancy impact Hematite surface First-principles calculation 
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