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Advances in Environmental Technology
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mohammadpoor, A., Mirzaei, M., azimi, A., tabatabaee ghomshe, M. (2019). The simultaneous effect of graphene oxide and sodium dodecyl sulphate nanoparticles on the kinetics of CO2 absorption in amine. Advances in Environmental Technology, (), -. doi: 10.22104/aet.2019.3216.1156
abdollah mohammadpoor; Masoomeh Mirzaei; alireza azimi; mostafa tabatabaee ghomshe. "The simultaneous effect of graphene oxide and sodium dodecyl sulphate nanoparticles on the kinetics of CO2 absorption in amine". Advances in Environmental Technology, , , 2019, -. doi: 10.22104/aet.2019.3216.1156
mohammadpoor, A., Mirzaei, M., azimi, A., tabatabaee ghomshe, M. (2019). 'The simultaneous effect of graphene oxide and sodium dodecyl sulphate nanoparticles on the kinetics of CO2 absorption in amine', Advances in Environmental Technology, (), pp. -. doi: 10.22104/aet.2019.3216.1156
mohammadpoor, A., Mirzaei, M., azimi, A., tabatabaee ghomshe, M. The simultaneous effect of graphene oxide and sodium dodecyl sulphate nanoparticles on the kinetics of CO2 absorption in amine. Advances in Environmental Technology, 2019; (): -. doi: 10.22104/aet.2019.3216.1156

The simultaneous effect of graphene oxide and sodium dodecyl sulphate nanoparticles on the kinetics of CO2 absorption in amine

Articles in Press, Accepted Manuscript , Available Online from 26 January 2019  XML
Document Type: Research Paper
DOI: 10.22104/aet.2019.3216.1156
Authors
abdollah mohammadpoor1; Masoomeh Mirzaei 2; alireza azimi3; mostafa tabatabaee ghomshe4
1chemical engineering of islamic azad university mahshahr Branch
2Department of chemical engineering, Mahshahr branch, Islamic azad university, Mahshahr, Iran
3Department of chemical engineering, Mahshahr university.
4department of chemical engineering, mahshar univercity,iran
Abstract
Amine solvents are extensively used on an industrial scale for removing carbon dioxide (CO2). The presence of some additives in amine solvents has a desirable effect on CO2 absorption kinetics and also improves the absorption process. In this study, graphene oxide (GO) nanoparticles and the anionic surfactant sodium dodecyl sulphate (SDS) were used as additives to the amine solvent. The number of CO2 moles that were used (ng), the values of the diffusion coefficient (DAB), and the mass transfer coefficients of CO2 gas absorption in the amine solvent (Kc) were determined. Furthermore, the effect of the additives on the kinetics of CO2 gas absorption in the amine solvent was investigated. The results showed that mass transfer coefficients increased with a decrease in pressure and an increase in temperature as well as in the SDS and GO concentrations. The values of the mass transfer coefficient under different conditions varied between 0.0311 and 0.0587cm/s. The molecular diffusion coefficient of CO2 in the amine solvent increased from 0.000025 to 0.000287cm2/s with decreases in the pressure and with increases in the temperature and increases in concentrations of additives. The laboratory data were statistically analyzed via Design-Expert software using response surface experiment design and a historical method. A mathematical relation was proposed to estimate the mass transfer coefficients. Moreover, a mathematical relation was introduced to predict the molecular diffusion coefficient of CO2 in the amine solvent.
Keywords
Carbon Dioxide; absorption kinetics; nanoparticle; anionic surfactant; amine solvent
Main Subjects
Adsorption
Statistics
Article View: 26
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