Adsorptive removal of Sb(III) from wastewater by environmentally-friendly biogenic manganese oxide (BMO) materials: Efficiency and mechanisms

Wang, Huawei; Lv, Zijuan; Song, Yi; Wang, Yanan; Zhang, Daoyong; Sun, Yingjie; Tsang, Yiu Fai; Pan, Xiangliang

doi:10.1016/j.psep.2019.02.022

Cited by 29 publications

(2 citation statements)

References 47 publications

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“…Low-cost iron and manganese oxides are especially favored. Numerous batch and flow experiments have been explored to study the thermodynamics, the kinetics, and the influencing factors of Sb(III) adsorption and oxidation via Fe and Mn oxides [19][20][21][22][23][24][25][26][27]. Generally, Mn oxides have a much stronger Sb(III) oxidation ability than Fe oxides [28][29][30][31], while Fe oxides have stronger Sb(III) and Sb(V) adsorption ability [32,33].…”

Section: Introductionmentioning

confidence: 99%

Limonite as a Natural Adsorbent for the Removal of Antimony(III) from an Aqueous Solution

Luo,

Zhou,

Chen

et al. 2023

Minerals

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Natural limonite, which contains mainly nano-sized iron and manganese oxides, is widely distributed worldwide. This study investigated the kinetics, thermodynamics, and the effects of pH, ion strength, and anions on the adsorption of Sb(III) via limonites sampled from Xinqiao and Yeshan (Tongling, China). Results show that adsorption equilibrium is achieved after 24 h for all experiments. Under initial Sb(III) = 200 mg/L, pH = 3.0, and temperature = 25 °C, Sb adsorption quantities for X1 (Mn-free limonite from Xinqiao), X2 (Mn-containing limonite from Xinqiao), Y1 (Mn-free limonite from Yeshan), and Y2 (Mn-containing limonite from Yeshan) are 10.92, 12.97, 27.12, and 89.34 mg/g, respectively. Manganese oxides in limonites promote Sb removal through oxidizing Sb(III) to Sb(V). The adsorption processes for all four limonites are fitted with a pseudo-second-order model. All adsorptions except for X1 fit with the Freundlich model; for X1, the Langmuir adsorption model is better. All adsorptions are spontaneous reactions (ΔG < 0). All adsorptions except for Y1 (ΔH < 0, exothermic reaction) are endothermic reactions (ΔH > 0). Antimony adsorption is independent of solution pH for Mn-free limonites but is negatively related to solution pH for Mn-containing limonites. Generally, ion strength has a weak positive effect on Sb adsorption. The effects of anions on Sb adsorption are grouped into three types: weak negative (NO3− and SO42−), negative (CO32−, SiO44−, and PO43−), and equivocal (humic acid). This study indicates that due to a much higher surface area, Yeshan (124.8 m2/g for X1 and 171.7 m2/g for X2) rather than Xinqiao (13.7 m2/g for Y1 and 12.8 m2/g for Y2) limonites are better materials for Sb(III) removal in an aqueous solution. The key factors for the better use of limonite as an Sb(III) treatment material include temperature, pH, ion strength, and Mn content.

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Section: Introductionmentioning

confidence: 99%

Limonite as a Natural Adsorbent for the Removal of Antimony(III) from an Aqueous Solution

Luo,

Zhou,

Chen

et al. 2023

Minerals

View full text Add to dashboard Cite

show abstract

“…Available information on mobilization of Sb in the environment and its transformation through the geosphere and hydrosphere is still limited (Herath et al, 2017). Various active treatment methods have been reported for Sb removal from water and wastewater including ion-exchange (Dzul Erosa and Höll, 2006;Parker et al, 1979), adsorption (Shan et al, 2014;Wang et al, 2019;Xu et al, 2011), coagulation-flocculation-sedimentation/filtration (Du et al, 2014;Guo et al, 2009;Kang et al, 2003), co-precipitation (Gannon and Wilson, 1986;Wang et al, 2013), membrane filtration (Kang et al, 2000;Pawlak et al, 2006), electrochemical methods (Koparal et al, 2004;Zhu et al, 2011), etc. At the same time, passive treatment methods e.g.…”

Section: Introductionmentioning

confidence: 99%

Long-term data reveals the importance of hydraulic load and inflow water quality for Sb removal in boreal treatment peatlands

Khan

Kujala

Planer-Friedrich

et al. 2020

Ecological Engineering

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Binary metal organic frameworks (UIO-66 and ZIF-67) for adsorptive removal of Sb

Yang

Jia²,

Tang³

et al. 2022

J Nanopart Res

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Adsorptive removal of Sb(III) from wastewater by environmentally-friendly biogenic manganese oxide (BMO) materials: Efficiency and mechanisms

Cited by 29 publications

References 47 publications

Limonite as a Natural Adsorbent for the Removal of Antimony(III) from an Aqueous Solution

Limonite as a Natural Adsorbent for the Removal of Antimony(III) from an Aqueous Solution

Long-term data reveals the importance of hydraulic load and inflow water quality for Sb removal in boreal treatment peatlands

Binary metal organic frameworks (UIO-66 and ZIF-67) for adsorptive removal of Sb

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