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Moradiayn, Somayeh, Izadpanah, Amir Abbas, Mohammadi, Amir Hoseyn. (1402). Thermodynamic modeling of clathrate hydrate stability conditions in methane + 1-methylpiperidine/2-methylpiperidine + water system. هنرهای کاربردی, 1(1), -. doi: 10.22075/jpetk.2023.25944.1007
Somayeh Moradiayn; Amir Abbas Izadpanah; Amir Hoseyn Mohammadi. "Thermodynamic modeling of clathrate hydrate stability conditions in methane + 1-methylpiperidine/2-methylpiperidine + water system". هنرهای کاربردی, 1, 1, 1402, -. doi: 10.22075/jpetk.2023.25944.1007
Moradiayn, Somayeh, Izadpanah, Amir Abbas, Mohammadi, Amir Hoseyn. (1402). 'Thermodynamic modeling of clathrate hydrate stability conditions in methane + 1-methylpiperidine/2-methylpiperidine + water system', هنرهای کاربردی, 1(1), pp. -. doi: 10.22075/jpetk.2023.25944.1007
Moradiayn, Somayeh, Izadpanah, Amir Abbas, Mohammadi, Amir Hoseyn. Thermodynamic modeling of clathrate hydrate stability conditions in methane + 1-methylpiperidine/2-methylpiperidine + water system. هنرهای کاربردی, 1402; 1(1): -. doi: 10.22075/jpetk.2023.25944.1007

Thermodynamic modeling of clathrate hydrate stability conditions in methane + 1-methylpiperidine/2-methylpiperidine + water system

Sustainable Energy & Chemical Engineering
دوره 1، شماره 1، خرداد 2025    اصل مقاله (653.07 K)
نوع مقاله: Original Article
شناسه دیجیتال (DOI): 10.22075/jpetk.2023.25944.1007
نویسندگان
Somayeh Moradiayn1؛ Amir Abbas Izadpanah* 2؛ Amir Hoseyn Mohammadi3
1Faculty of Petroleum ,Gas and Petrochemical Engineering, Persian Gulf University, Bushehr, Iran
2Faculty of Petroleum, Gas and Petrochemical Engineering, Persian Gulf University, Iran
3Discipline of Chemical Engineering, School of Engineering, University of KwaZulu-Natal, Howard College Campus, King George V Avenue, Durban 4041, South Africa
تاریخ دریافت: 26 دی 1400،  تاریخ بازنگری: 04 خرداد 1401،  تاریخ پذیرش: 04 دی 1402 
چکیده
There are three typical thermodynamic models to determine structure H (sH) hydrate stability conditions, i.e. van der Waals-Platteeuw based model developed by Mehta and Sloan, the Chen-Guo model introduced by Chen and Guo, and the Klauda-Sandler model applied by Sinehbaghizadeh et al. and other researchers. These thermodynamic models are typically used for water-immiscible or slightly soluble sH hydrate formers e.g. methylcyclopentane, methylcyclohexane, 2,2-dimethylbutane, etc. However, some sH clathrate hydrate formers are soluble in water such as 1-methylpiperidine, 2-methylpiperidine, 3-methylpiperidine, 4-methylpiperidine, and hexamethyleneimine. In this study, Chen-Guo and Mehta-Sloan models were used to model sH hydrate stability conditions for 1-methylpiperidine / 2-methylpiperidine with methane as a help gas. The aqueous phase behavior containing 1-methylpiperidine / 2-methylpiperidine is modeled using the NRTL activity coefficient model. Although both Chen-Guo and Mehta-Sloan models show errors of less than 1%, Mehta-Sloan model results are in a better agreement with the experimental data with 0.10% average absolute error in comparison with Chen-Guo model results with 0.38% average absolute error for 1-methylpiperidine while there is not much difference for 2-metylpiperidine when using both models in which %AAD for both models are approximately the same, i.e. 0.79%.
 
 

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کلیدواژه‌ها
Gas Hydrate؛ Clathrate Hydrate؛ Structure H (sH)؛ Water-Soluble Hydrate Former؛ 1-Methylpiperidine؛ Methane
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