Preparation of Reduced Graphene Oxide Aerogel and Its Adsorption for Pb(II) | Zendy

Chunjuan Gao | Zendy; Zeliang Dong | Zendy; Xiaocui Hao | Zendy; Ying Long Yao | Zendy; Shuyuan Guo | Zendy

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Preparation of Reduced Graphene Oxide Aerogel and Its Adsorption for Pb(II)

Author(s) -

Chunjuan Gao,

Zeliang Dong,

Xiaocui Hao,

Ying Long Yao,

Shuyuan Guo

Publication year - 2020

Publication title -

acs omega

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.779

H-Index - 40

ISSN - 2470-1343

DOI - 10.1021/acsomega.0c00183

Subject(s) - graphene , aerogel , adsorption , langmuir adsorption model , materials science , oxide , fourier transform infrared spectroscopy , raman spectroscopy , x ray photoelectron spectroscopy , chemical engineering , scanning electron microscope , aqueous solution , desorption , specific surface area , chemistry , nanotechnology , organic chemistry , composite material , catalysis , metallurgy , physics , optics , engineering

In this study, reduced graphene oxide (rGO) aerogels were successfully prepared using a facile hydrothermal method and determined with Fourier transform infrared spectroscopy, X-ray diffraction spectroscopy, Raman spectroscopy, X-ray photoelectron spectroscopy, Brunauer-Emmett-Teller surface area, and scanning electron microscopy. The rGO aerogels were used to remove Pb(II) from aqueous solution, and the adsorption performance of rGO aerogels was investigated. In addition, the adsorption-desorption cycle experiments were carried out to evaluate the recyclability and stability of rGO aerogels. The adsorption data were consistent with the pseudo-second-order kinetic model and Langmuir isotherm model. The experimental results showed that rGO aerogels have good adsorption capacity for Pb(II) and can be utilized for wastewater treatment.

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