AS(III)

作品数:23被引量:65H指数:5
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相关领域:环境科学与工程更多>>
相关作者:李海普肖红波王文磊王鹍关小红更多>>
相关机构:中南大学华中农业大学西安建筑科技大学哈尔滨工业大学更多>>
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朽木纤维素炭/δ-MnO2复合材料的制备及对As(III)的吸附研究
《商洛学院学报》2025年第2期52-59,共8页杨和平 毛舒蕾 葛雪倩 
国家级大学生创新创业训练计划项目(202311396007)。
采用氧化和吸附两种方式去除水中有害元素砷,通过δ-MnO_(2)与朽木纤维素炭相结合,在吸附过程中将有毒性的As(Ⅲ)氧化为低毒性的As(Ⅴ),降低砷对环境的危害。以朽木纤维素作为碳源,KMnO_(4)作为锰源,在水热条件下制备了朽木纤维素炭/δ-...
关键词:生物质炭 朽木 MnO_(2) 砷吸附 
Application of Synthetic Iron Oxyhydroxide with Influencing Factors for Removal of As(Ⅴ) and As(Ⅲ) from Groundwater
《Journal of Earth Science》2024年第3期998-1009,共12页Shakeel Ahmed Talpur Muhammad Yousuf Jat Baloch Chunli Su Javed Iqbal Aziz Ahmed Hafeez Ahmed Talpur 
funded by the National Natural Science Foundation of China(Nos.42177078 and 42020104005).
Synthesized iron oxyhydroxide was applied for the adsorptive removal of As(V)and As(III)from the aquas media.Additionally,this investigation highlighted the synergistic effect of calcium carbonate in conjunction with ...
关键词:adsorption ARSENIC AS(V) AS(III) iron oxyhydroxide isotherms kinetics groundwater. 
Optimized synthesis and characterization of laterite biochar composite for arsenic removal:examining colloidal stability and As(III)oxidation
《Biochar》2024年第1期1775-1791,共17页Prashant Singh Abhijit Maiti 
Arsenic contamination of water and soil affects many regions worldwide,and an eco-friendly and sustainable decontamination solution is needed.A promising approach involves preparing a composite adsorbent using biochar...
关键词:Arsenic adsorption BIOCHAR LATERITE Optimization QUENCHING 
Biochar-induced alterations in Acidithiobacillus ferrooxidans activity and its impact on Cd(II)and As(III)adsorption from acid mine drainage被引量:1
《Biochar》2024年第1期521-535,共15页Peng Fu Fangling Chang Dongxu Yuan Yanyan Wang Yingxuan Fan Yufan Kang Lixiang Zhou Chen Yang Wenlong Bi Junmei Qin Hong Yang Fenwu Liu 
supported by the National Natural Science Foundation of China(42377248,41977338);the Shanxi Province“1331 Project”funded project(20211331-15);the Natural Science Foundation of Shanxi Province,China(No.202103021224139),and the Shanxi Agricultural University school-enterprise cooperation project(QT004).
Due to continuing mining activities,Cd(II)and As(III)contamination in acid mine drainage(AMD)has become a major environmental challenge.Currently,there is increasing focus on the use of biochar to mitigate AMD polluti...
关键词:Acidithiobacillus ferrooxidans ADSORPTION BIOCHAR Fe(II)oxidation efficiency SCHWERTMANNITE 
Ionome profiling and arsenic speciation provide evidence of arsenite detoxification in rice by phosphate and arsenite-oxidizing bacteria
《Journal of Environmental Sciences》2023年第6期129-138,共10页Guobing Lin Xiaoman He Jiayuan Zeng Zhaoguang Yang Lin Wang 
This work was supported by the National Natural Science Foundation of China(No.41977351);the Natural Science Foundation of Hunan Province,China(No.2020JJ4698).
Arsenite(As(III))as the most toxic and mobile form is the dominant arsenic(As)species in flooded paddy fields,resulting in higher accumulation of As in paddy rice than other terrestrial crops.Mitigation of As toxicity...
关键词:As(III)-oxidizing bacteria Ionomics Ionome homeostasis Paddy rice Stress alleviation 
Simultaneous oxidation of Mn (Ⅱ) and As (Ⅲ) on cupric oxide (CuO) promotes As (Ⅲ) removal at circumneutral pH
《Journal of Environmental Sciences》2023年第3期691-700,共10页Lingqun Zeng Biao Wan Qian Wang Yupeng Yan Yuanzhi Tang Xionghan Feng 
supported by the National Natural Science Foundation of China (Nos. 42030709, 42167031);the National Key Research and Development Program of China (No. 2017YFD0200201);Y.T. acknowledges support by the U.S. National Science Foundation (NSF) under Grant No. 2108688。
Oxidation of Mn (Ⅱ) or As(Ⅲ) by molecular oxygen is slow at pH<9,while they can be catalytically oxidized in the presence of oxide minerals and then removed from contaminated water.However,the reaction mechanisms on...
关键词:Simultaneous oxidation MN(II) AS(III) CUO Metal oxides 
Enhanced removal of high-As(Ⅲ)from Cl(-Ⅰ)-diluted SO_(4)(-Ⅱ)-rich wastewater at pH 2.3 via mixed tooeleite and(Cl(-Ⅰ)-free)ferric arsenite hydroxychloride formation
《Journal of Environmental Sciences》2023年第2期31-41,共11页Zidan Yuan Guoqing Zhang Xing Wu Xu Ma Jinru Lin Shaofeng Wang Yongfeng Jia 
supported by the National Key Research and Development Program of China (No.2019YFC1804400);the National Natural Science Foundation of China (Nos.41877393,41877379,42007364 and 42077309);Youth Innovation Promotion Association CAS (No.2021196);Liao Ning Revitalization Talents Program (Nos.XLYC1807185 and XLYC1807025)
An advanced cost-saving method of removal of high-As(Ⅲ)from SO_(4)(-Ⅱ)-rich metallurgical wastewater has been developed by diluting the SO_(4)(-Ⅱ)content with As(Ⅲ)-Cl(-Ⅰ)-rich metallurgical wastewater and then b...
关键词:High-As(III) Sulfate Chlorine ion REMOVAL Complex 
水体系As(III)和Cr(VI)氧化还原共转化技术研究进展
《当代化工研究》2021年第22期158-159,共2页刘中敏 耿龙龙 李欣 魏润 刘兵 周方圆 
德州学院科学研究基金(2019xgrc07);德州学院科学研究基金(2019xgrc06);德州学院教改项目(dzums20-05);2020年德州学院实验技术立项项目(SYJS20008);中北大学德州研究生分院基金(2020010JJ)。
本文对六种应用于水体系As(III)和Cr(VI)氧化还原共转化技术的国内外研究进展进行了综述,并简要阐述了各个技术的处理方法和反应机理,以期为后续的相关研究提供借鉴和启发。
关键词:As(III)和Cr(VI) 氧化还原共转化 环境修复 研究进展 
Ag/AgCl 纳米线光催化氧化三价砷的研究
《华东科技(综合)》2020年第11期461-462,共2页银邦庆 
通过制备不同规格的 Ag/AgCl 纳米线,利用电子扫描电镜(FE-SEM)对合成的 Ag/AgCl 核壳结构纳米线的形貌进行表征,并采用不同规格的 Ag/AgCl 纳米线与相同浓度 As(III)溶液进行实验,实验结果显示 Ag/AgCl 纳米线材料具有光催化氧化特性,A...
关键词:光催化氧化 Ag/AgCl纳米材料 As(III)的降解 
Preparation of magnetic Fe3O4@Cu/Ce microspheres for efficient catalytic oxidation co-adsorption of arsenic(Ⅲ)被引量:6
《Journal of Central South University》2020年第4期1176-1185,共10页JIN Lin-feng CHAI Li-yuan SONG Ting-ting YANG Wei-chun WANG Hai-ying 
Project(2018YFC1802204)supported by the National Key R&D Program of China;Project(51634010)supported by the Key Project of National Natural Science Foundation of China;Project(2018SK2026)supported by the Key R&D Program of Hunan Province,China。
Magnetic Fe3 O4@Cu/Ce microspheres were successfully prepared by one-step solvothermal approach and further utilized to remediate toxic arsenic(As(Ⅲ)) pollution. The effects of Cu/Ce elements co-doping on the crystal...
关键词:Cu/Ce magnetic composites AS(III) catalytic oxidation adsorption 
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