Nitrogen Adsorption on Molecular Sieve Zeolites: An Experimental and Modeling Study

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Touraji Erfan; GHAEMI AHAD

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Paper Information

Journal: IRANIAN JOURNAL OF OIL & GAS SCIENCE AND TECHNOLOGY Year:2020 | Volume:9 | Issue:1 Page(s): 47-67

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Title

Nitrogen Adsorption on Molecular Sieve Zeolites: An Experimental and Modeling Study

Author(s)

Touraji Erfan | GHAEMI AHAD | Issue Writer Certificate

Keywords

Adsorption

Nitrogen

Molecular Sieve

Isotherm

Kinetics

Abstract

Separation of nitrogen from a gaseous mixture is required for many industrial processes. In this study, the adsorption of nitrogen on zeolite 4A was investigated in terms of different adsorption isotherm models and kinetics. An increase in the initial pressure from 1 to 9 bar increases the amount of adsorbed nitrogen from 6. 730 to 376. 030 mg/(g adsorbent). The amount of adsorbed nitrogen increased from 7. 321 to 40. 594 mg/(g adsorbent) by raising the temperature from 298 to 333 K at a pressure equal to one bar; however, it then dropped to 15. 767 mg/(g adsorbent) when temperature decreased to 353 K. Increasing the amount of the adsorbent from 1 to 4 g decreased the specific adsorption from 67. 565 to 21. 008 mg/(g adsorbent) at a temperature of 298 K and a pressure of 3 bar. Furthermore, it was found that the nitrogen adsorption experimental equilibrium data are consistent with Sips and Langmuir-Freundlich models. The highest overlap was achieved through second order and Ritchie’ s models.

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APA: Copy

Touraji, Erfan, & GHAEMI, AHAD. (2020). Nitrogen Adsorption on Molecular Sieve Zeolites: An Experimental and Modeling Study. IRANIAN JOURNAL OF OIL & GAS SCIENCE AND TECHNOLOGY, 9(1), 47-67. SID. https://sid.ir/paper/354931/en

Vancouver: Copy

Touraji Erfan, GHAEMI AHAD. Nitrogen Adsorption on Molecular Sieve Zeolites: An Experimental and Modeling Study. IRANIAN JOURNAL OF OIL & GAS SCIENCE AND TECHNOLOGY[Internet]. 2020;9(1):47-67. Available from: https://sid.ir/paper/354931/en

IEEE: Copy

Erfan Touraji, and AHAD GHAEMI, “Nitrogen Adsorption on Molecular Sieve Zeolites: An Experimental and Modeling Study,” IRANIAN JOURNAL OF OIL & GAS SCIENCE AND TECHNOLOGY, vol. 9, no. 1, pp. 47–67, 2020, [Online]. Available: https://sid.ir/paper/354931/en

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