Adsorption of aromatic organoarsenic compounds by ferric and manganese binary oxide and description of the associated mechanism

Joshi, Tista Prasai; Zhang, Gong; Jefferson, William A.; Перфильев, А. В.; Liu, Ruiping; Liu, Huijuan; Qu, Jiuhui

doi:10.1016/j.cej.2016.10.084

Cited by 96 publications

(42 citation statements)

References 52 publications

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“…These strategies include pure Fe-Mn binary oxides, magnetic nanoparticles (Mag-Fe-Mn), and Fe-Mn binary oxide impregnated chitosan [124,125]. Engineered particles have also proved effective in removing aromatic organoarsenic compounds [126].…”

Section: Other Oxidesmentioning

confidence: 99%

Arsenite Depletion by Manganese Oxides: A Case Study on the Limitations of Observed First Order Rate Constants

Schacht

Ginder‐Vogel

2018

Soil Syst.

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Arsenic (As) contamination of drinking water is a threat to global health. Manganese(III/IV) (Mn) oxides control As in groundwater by oxidizing more mobile As III to less mobile As V. Both As species sorb to the Mn oxide. The rates and mechanisms of this process are the subject of extensive research; however, as a group, study results are inconclusive and often contradictory. Here, the existing body of literature describing As III oxidation by Mn oxides is examined, and several potential reasons for inconsistent kinetic data are discussed. The oxidation of As III by Mn(III/IV) oxides is generally biphasic, with reported first order rate constants ranging seven orders of magnitude. Reanalysis of existing datasets from batch reactions of As III with δ-MnO 2 reveal that the first order rate constants reported for As depletion are time-dependent, and are not well described by pure kinetic rate models. This finding emphasizes the importance of mechanistic modeling that accounts for differences in reactivity between Mn III and Mn IV , and the sorption and desorption of As III , As V , and Mn II. A thorough understanding of the reaction is crucial to predicting As fate in groundwater and removing As via water treatment with Mn oxides, thus ensuring worldwide access to safe drinking water.

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Section: Other Oxidesmentioning

confidence: 99%

Arsenite Depletion by Manganese Oxides: A Case Study on the Limitations of Observed First Order Rate Constants

Schacht

Ginder‐Vogel

2018

Soil Syst.

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“…The reusability of the adsorbents was conducted after washing the used adsorbents with 0.5 M NaOH for 12.0 h under stirring followed by vacuum filtration and freeze drying. The regenerated adsorbent was again applied to evaluate recycle ability [37].…”

Section: Adsorption and Desorption Experimentsmentioning

confidence: 99%

Synthesis of Ce(III)-doped Fe3O4 magnetic particles for efficient removal of antimony from aqueous solution

Joshi

Liu

et al. 2017

Journal of Hazardous Materials

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164

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“…In addition, some good quality works have been conducted by Nepalese scientists working abroad, which have addressed important scientific questions in their country and beyond [68,69,70,71,72]. For example, Dr. Sangeet Lamichhaney, a veterinarian from Nepal, and his team have scientifically proved Darwin's theory of evolution through use of molecular genomics [72,73].…”

Section: Positive Rays Of Hopementioning

confidence: 99%

Current scenario of and future perspective for scientific research in Nepal

Acharya

Phuyal

Chand

et al. 2021

Heliyon

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Adsorption of aromatic organoarsenic compounds by ferric and manganese binary oxide and description of the associated mechanism

Cited by 96 publications

References 52 publications

Arsenite Depletion by Manganese Oxides: A Case Study on the Limitations of Observed First Order Rate Constants

Arsenite Depletion by Manganese Oxides: A Case Study on the Limitations of Observed First Order Rate Constants

Synthesis of Ce(III)-doped Fe3O4 magnetic particles for efficient removal of antimony from aqueous solution

Current scenario of and future perspective for scientific research in Nepal

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