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Journal:   NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN)   2018 , Volume 37 , Number 1 ; Page(s) 113 To 124.
 
Paper: 

Investigation Of The Adsorption Of Methyl Orange By Ag-Tio2/Go Nanocomposite

 
 
Author(s):  Mohammadi Robab*, Massoumi Bakhshali, Sadeghi Vahideh
 
* Department of Chemistry, Payame Noor University, Tehran, I.R. IRAN
 
Abstract: 
In this study, Ag-TiO2 and Ag-TiO2/GO nanomaterials were prepared and then characterized via different analysis methods such as XRD, SEM, EDX, Raman, and BET. The adsorption capacity of prepared samples was investigated by removal of methyl orange, as a model organic pollutant, from aqueous solutions. Based on results, Ag-TiO2-GO nanocomposite demonstrated an excellent activity over Ag-TiO2 sample. To understand the nature of the adsorption process, the equilibrium adsorption isotherms were studied. Based on results, for Ag-TiO2 and Ag-TiO2/GO, Freundlich and Langmuir isotherm models with a correlation coefficient of 0. 989 and 0. 993 fitted the experimental data, respectively. According to the Langmuir isotherm model, the maximum adsorption capacity of Ag-TiO2/GO nanocomposite for adsorption of methyl orange was about 69. 44 mg/g, which was about 3 times the adsorption capacity of Ag-TiO2. Furthermore, negative Δ G0 and Δ H0 values resulted from thermodynamic investigation suggested that the adsorption of methyl orange onto Ag-TiO2/GO nanocomposite was simultaneous and exothermic in nature, respectively.
 
Keyword(s): Ag-TiO2/GO nanocomposite,Organic pollutant,Adsorption models,Thermodynamic investigation
 
 
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APA: Copy

Mohammadi, R., & MASSOUMI, B., & SADEGHI, V. (2018). Investigation of the adsorption of methyl orange by Ag-TiO2/GO nanocomposite. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), 37(1 ), 113-124. https://www.sid.ir/en/journal/ViewPaper.aspx?id=660287



Vancouver: Copy

Mohammadi Robab, MASSOUMI BAKHSHALI, SADEGHI VAHIDEH. Investigation of the adsorption of methyl orange by Ag-TiO2/GO nanocomposite. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN). 2018 [cited 2022May21];37(1 ):113-124. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=660287



IEEE: Copy

Mohammadi, R., MASSOUMI, B., SADEGHI, V., 2018. Investigation of the adsorption of methyl orange by Ag-TiO2/GO nanocomposite. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), [online] 37(1 ), pp.113-124. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=660287.



 
 
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