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Two-dimensional molybdenum disulfide as adsorbent for high-efficient Pb(II) removal from water AITranslate

Chang Liu; Feifei Jia; Qingmiao Wang; Bingqiao Yang; Shaoxian Song;
Wuhan University of Technology; Wuhan University of Technology; Wuhan University of Technology; Wuhan Institute of Technology; Wuhan University of Technology
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Publisher: Elsevier
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Abstract AITranslate

Two-dimensional (2D) molybdenum disulfide might be highly capable of lead removal from wastewater due to the huge sulfur-rich surface area. An attempt was made to explore the feasibility of using 2D molybdenum disulfide as a super adsorbent in water in this work. Adsorption isotherm and kinetics and SEM-EDS were conducted to investigate Pb(II) adsorption capacity at the interface of 2D molybdenum disulfide/water, and XPS was used to study the adsorption mechanism. The results indicated that 2D molybdenum disulfide had a dramatic efficiency for Pb(II) removal from water with a 1479 mg/g adsorption capacity. The adsorption followed the Freundlich isotherm model and fitted well with both the pseudo-first-order and pseudo-second-order kinetics models. The adsorption might be attributed to the chemical adsorption due to the complexation of Pb(II) with intrinsic S or O atoms exposed on 2D molybdenum disulfide surfaces, together with electrostatic adsorption. Graphical abstract Download : Download high-res image (98KB) Download : Download full-size image

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DOI：https://doi.org/10.1016/j.apmt.2017.07.009

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Citation Information:

Two-dimensional (2D) molybdenum disulfide might be highly capable of lead removal from wastewater due to the huge sulfur-rich surface area. An attempt was made to explore the feasibility of using 2D molybdenum disulfide as a super adsorbent in water in this work. Adsorption isotherm and kinetics and SEM-EDS were conducted to investigate Pb(II) adsorption capacity at the interface of 2D molybdenum disulfide/water, and XPS was used to study the adsorption mechanism. The results indicated that 2D molybdenum disulfide had a dramatic efficiency for Pb(II) removal from water with a 1479 mg/g adsorption capacity. The adsorption followed the Freundlich isotherm model and fitted well with both the pseudo-first-order and pseudo-second-order kinetics models. The adsorption might be attributed to the chemical adsorption due to the complexation of Pb(II) with intrinsic S or O atoms exposed on 2D molybdenum disulfide surfaces, together with electrostatic adsorption. Graphical abstract Download : Download high-res image (98KB) Download : Download full-size image

quote

GB/T 7714-2015 [1] Chang Liu, Feifei Jia, Qingmiao Wang, et al. Applied Materials Today, 2017(9). DOI:10.1016/j.apmt.2017.07.009.
MLA [1] Chang Liu, et al., Applied Materials Today, no. 9, 2017, https://doi.org/10.1016/j.apmt.2017.07.009.
APA [1] Chang Liu, Feifei Jia, Qingmiao Wang, Bingqiao Yang, & Shaoxian Song. (2017). Applied Materials Today(9). https://doi.org/10.1016/j.apmt.2017.07.009
IEEE [1] Chang Liu, Feifei Jia, Qingmiao Wang, Bingqiao Yang, and Shaoxian Song, Applied Materials Today, no. 9, 2017, doi: 10.1016/j.apmt.2017.07.009.