Sorption Properties of the Manganese(IV) Oxide/Mechanically Activated Graphite Composite with Respect to As(III) Compounds

被引：0

作者：

Belozerova, A. A. ^{[1
,2
]}

Pechishcheva, N., V ^{[1
,2
]}

Estemirova, S. Kh ^{[1
,2
]}

Sterkhov, E., V ^{[1
]}

Shunyaev, K. Yu ^{[1
,2
]}

机构：

[1] Russian Acad Sci, Inst Met, Ural Branch, Ekaterinburg 620016, Russia

[2] Ural Fed Univ, Ekaterinburg 620002, Russia

来源：

RUSSIAN JOURNAL OF APPLIED CHEMISTRY | 2022年 / 95卷 / 04期

关键词：

arsenic(III); composite; manganese(IV) oxide; mechanically activated graphite; sorption capacity; ADSORPTION; OXIDATION; REMOVAL; OXIDES;

D O I：

10.1134/S1070427222040127

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The sorption properties of the MnO2/mechanically activated graphite composite with respect to As(III) compounds were studied. The static sorption capacity relative to As(III) compounds of the MnO2/mechanically activated graphite composite was 22.7 mg g(-1), which exceeds the sorption properties of MnO2. The effect of solution pH in the range of 1-5, sorbent dose, and sorption time on the recovery of As(III) compounds was studied. It is shown that the process of As(III) sorption on the composite is described by the Freundlich model. The MnO2/mechanically activated graphite composite can be recommended for the removal of As(III) compounds from aqueous solutions.

引用

页码：561 / 567

页数：7

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