Blucher Chemical Engineering Proceedings

Setembro 2018, vol.1, num.5 - XXII Congresso Brasileiro de Engenharia Química
Oral - Open Access Idioma principal | Segundo principal

Determination of the Isosteric Heat of Adsorption for CH4 and CO2 mixtures in NaY with a modified DR equation

Determination of the Isosteric Heat of Adsorption for CH4 and CO2 mixtures in NaY with a modified DR equation

PARO, L; de OLIVEIRA, L. H.; PEREIRA, M. V; DO NASCIMENTO, J. F; ARROYO, P. A

Oral:

A modified Dubinin-Radushkevich equation was applied to correlate pure CO2 and CH4 adsorption in NaY zeolite at different temperatures. DR parameters obtained were inserted in Sundaram-Yang model coupled with IAST to predict isosteric heats of adsorption for CO2 + CH4 mixtures. All calculations were developed with Evolutionary method of Microsoft Excel®’s Solver. Results indicate that heat released from CO2 adsorption in the mixture is bigger than CH4, and it corroborates CO2 is more strongly adsorbed than CH4 on NaY zeolite and give information about energies involved in such binary systems.

A modified Dubinin-Radushkevich equation was applied to correlate pure CO2 and CH4 adsorption in NaY zeolite at different temperatures. DR parameters obtained were inserted in Sundaram-Yang model coupled with IAST to predict isosteric heats of adsorption for CO2 + CH4 mixtures. All calculations were developed with Evolutionary method of Microsoft Excel®’s Solver. Results indicate that heat released from CO2 adsorption in the mixture is bigger than CH4, and it corroborates CO2 is more strongly adsorbed than CH4 on NaY zeolite and give information about energies involved in such binary systems.

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DOI: 10.5151/cobeq2018-CO.169

Referências bibliográficas
  • [1] DO, D. D. ADSORPTION ANALYSIS : EQUILIBRIA AND KINETICS. [s.l: s.n.]. v. 2
  • [2] HACSKAYLO, J. J.; LEVAN, M. D. Langmuir, v. 1, n. 1, p. 97–100, 1985.
  • [3] HUTSON, N. D.; YANG, R. T., v. 3, n. 3, p. 189–195, 1997.
  • [4] GASCHI, P. S., MENEGUIN J. G.,DE OLIVEIRA L. H., BARROS.M. A. AND ARROYO
  • [5] P. A.. Ajuste da Isoterma para a Estimativa do Calor Isostérico na Adsorção de CH4 em
  • [6] zeolita NaY. p. 16, 2017.
  • [7] PAN, H.; RITTER, J. A.; BALBUENA, P. B. Langmuir, v. 14, n. 21, p. 6323–6327, 1998.
  • [8] POLING, B. E.; PRAUSNITZ, J. M.; O’CONNELL, J. P. 5th. ed. [s.l.] McGraw-Hill, 2001.
  • [9] SIRCAR, S. et al. The Journal of Physical Chemistry B, v. 103, n. 31, p. 6539–6546, 1999.
  • [10] SIRCAR, S. Applied Surface Science, v. 252, n. 3, p. 647–653, 2005.
  • [11] SUNDARAM, N. Langmuir, v. 9, n. 6, p. 1568–1573, 1993.
  • [12] SUNDARAM, N.. Equation for Adsorption fkom Gas Mixtures. n. 6, p. 3223–3234, 1995.
  • [13] SUNDARAM, N.; YANG, R. T. Journal of Colloid and Interface Science, v. 198, n. 2, p.
  • [14] 378–388, 1998.
  • [15]
Como citar:

PARO, L; de OLIVEIRA, L. H.; PEREIRA, M. V; DO NASCIMENTO, J. F; ARROYO, P. A; "Determination of the Isosteric Heat of Adsorption for CH4 and CO2 mixtures in NaY with a modified DR equation", p-4747-4750. In: . São Paulo: Blucher, 2018.
ISSN 23591757, DOI 10.5151/cobeq2018-CO.169

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