HEMATITE

作品数：186被引量：371H指数：8
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Facet-dependent activation of oxalic acid over hematite nanocrystals under the irradiation of visible light for efficient degradation of pollutants
《Journal of Environmental Sciences》2024年第8期204-214,共11页Zhixiong Yang Yuan Li Xiaotian Wang Jiaming Li Jiquan Wang Gaoke Zhang 
supported by the National Natural Science Foundation of China(No.22176151)。
Naturally occurring hematite has been widely studied in the Fenton-like system for water pollutant remediation due to its abundance and non-toxicity.However,its inadequate catalytic activity results in difficulty in e...
关键词：HEMATITE Facet exposure Oxalic acid activation Fenton-like system Pollutant removal 
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 
Ferrihydrite transformation impacted by coprecipitation of lignin:Inhibition or facilitation?
《Journal of Environmental Sciences》2024年第5期23-33,共11页Lin Liu Zhihui Yang Weichun Yang Wen Jiang Qi Liao Mengying Si Feiping Zhao 
supported by the National Key Research and Development Program of China(No.2020YFC1808002);the National Natural Science Foundation of China(Nos.52104406,and U20A20267);the Natural Science Foundation of Hunan Province(Nos.2022JJ20074,and 2020JJ4740)。
Lignin is a common soil organic matter that is present in soils,but its effect on the transformation of ferrihydrite(Fh)remains unclear.Organic matter is generally assumed to inhibit Fh transformation.However,lignin c...
关键词：Ferrihydrite transformation LIGNIN HEMATITE GOETHITE Fe(Ⅱ)-catalyzed Reactive Fe(Ⅲ)species 
Biomass chemical looping gasification for syngas production using modified hematite as oxygen carriers被引量：2
《Journal of Environmental Sciences》2023年第3期171-184,共14页Cong Jiang Xiaoyu Jin Tingting Xu Bo Xiao Zhiquan Hu Xun Wang 
supported by National Natural Science Foundation of China (Nos. 22005112, 22109048 and 21975089);China Postdoctoral Science Foundation (No. 2021M691121)。
Syngas is a clean energy carrier and a major industrial feedstock. In this paper, syngas was produced via biomass chemical looping gasification(CLG) process. Hematite, the most common Fe-based oxygen carrier(OC), was ...
关键词：Chemical looping gasification Oxygen carrier SYNGAS Modified hematite Pine sawdust 
Laboratory simulation of SO_2 heterogeneous reactions on hematite surface under different SO_2 concentrations被引量：1
《Journal of Environmental Sciences》2009年第8期1103-1107,共5页CUI Huxiong CHENG Tiantao YU Xingna CHEN Jianmin XU Yongfu FANG Wen 
supported by the National Natural Science Foundation of China (No. 40533017, 20377008,40605001);the National Key Technology R&D Program(No. 2006BAC12B001);the State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC-KF-2006-05) of China
The variations of sulfate formation and optical coefficients during SO2 heterogeneous reactions on hematite surface under different SO2 concentrations were examined using in situ diffuse reflectance infrared Fourier t...
关键词：HEMATITE heterogeneous reaction SULFATE optical coefficient 
Interaction of humic substances and hematite:FTIR study被引量：4
《Journal of Environmental Sciences》2005年第1期43-47,共5页FUHong-bo QUANXie CHENShuo ZHAOHui-min ZHAOYa-zhi 
TheNationalNaturalScienceFoundationofChina(No.20177003)
The present work extended the knowledge on the binding and complexation of humic substances(humic acid or fulvic acid) and hematite by Fourier transform infrared spectroscopy(FTIR). The FTIR data gained gave the consi...
关键词：humic substances fulvic acid humic acid HEMATITE FTIR COMPLEX 
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