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Synthesis of nano-octahedral MgO via a solvothermal-solid-decomposition method for the removal of methyl orange from aqueous solutions
Yan, Xirui1; Tian, Zixin1; Peng, Wencai1,2; Zhang, Jianshu1,2; Tong, Yanbin1; Li, Jun3; Sun, Dekui4; Ge, Hui4; Zhang, Jinli1,5
2020-03-15
Source PublicationRSC ADVANCES
Volume10Issue:18Pages:10681-10688
AbstractNano magnesium oxide has wide applications, and MgO with (111) facets has wider potential applications than MgO with (100) facets (e.g., in catalysis and adsorption). However, nano MgO with (111) polar faces has not been studied throughly, so the preparation of nano-octahedral MgO (N-O-MgO) with eight exposed (111) facets remains a great challenge. Herein, we successfully synthesised N-O-MgO via an effective solvothermal-solid-decomposition method and studied its adsorption performance. The obtained N-O-MgO showed excellent performance (229.36 mg g(-1)) for methyl orange (MO). The adsorption follows the pseudo-second-order kinetic equation and the Langmuir isotherm model. The dimensionless parameter R-L (0.042) and Gibbs free energy Delta G (-6.538 kJ mol(-1)) revealed that the adsorption of MO on N-O-MgO was a spontaneous and feasible process. The adsorption of MO and methyl blue (MB) on N-O-MgO were studied to determine the adsorption sites. Based on these experiments and analysis, it was determined that the adsorption sites were magnesium ions and the adsorption mechanism was proposed to describe the adsorption process.
DOI10.1039/c9ra10296e
Language英语
WOS KeywordLAYERED DOUBLE HYDROXIDES ; CATALYTIC PERFORMANCE ; NANOCRYSTALLINE MGO ; ADSORPTION ; CONDENSATION ; OXIDES ; DYES
Funding ProjectNational Natural Science Foundation of China (NSFC)[21968029] ; Major Science and Technology Project of Xinjiang Bingtuan[2017AA007] ; Applied Basic Research Program of Xinjiang Bingtuan[2015AG400] ; Science &Technology Research and Achievement Transformation Project of Xinjiang Bingtuan[2015AD027]
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; Major Science and Technology Project of Xinjiang Bingtuan ; Applied Basic Research Program of Xinjiang Bingtuan ; Science &Technology Research and Achievement Transformation Project of Xinjiang Bingtuan
WOS IDWOS:000524498100032
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/40020
Collection中国科学院过程工程研究所
Corresponding AuthorPeng, Wencai; Li, Jun
Affiliation1.Shihezi Univ, Sch Chem & Chem Engn, Shihezi 832003, Xinjiang, Peoples R China
2.Key Lab Green Proc Chem Engn Xinjiang Bingtuan, Shihezi, Xinjiang, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
4.Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan, Shanxi, Peoples R China
5.Tianjin Univ, Collaborat Innovat Ctr Chem Sci & Chem Engn Tianj, Key Lab Syst Bioengn MOE, Tianjin 300072, Peoples R China
Recommended Citation
GB/T 7714
Yan, Xirui,Tian, Zixin,Peng, Wencai,et al. Synthesis of nano-octahedral MgO via a solvothermal-solid-decomposition method for the removal of methyl orange from aqueous solutions[J]. RSC ADVANCES,2020,10(18):10681-10688.
APA Yan, Xirui.,Tian, Zixin.,Peng, Wencai.,Zhang, Jianshu.,Tong, Yanbin.,...&Zhang, Jinli.(2020).Synthesis of nano-octahedral MgO via a solvothermal-solid-decomposition method for the removal of methyl orange from aqueous solutions.RSC ADVANCES,10(18),10681-10688.
MLA Yan, Xirui,et al."Synthesis of nano-octahedral MgO via a solvothermal-solid-decomposition method for the removal of methyl orange from aqueous solutions".RSC ADVANCES 10.18(2020):10681-10688.
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