Experimental and theoretical analysis for the CO2 adsorption on hydrotalcite

• Type: Article in International Scientific Journal
• Date: 2005

Authors

Soares, JL (Author) Other; Casarin, GL (Author) Other; Jose, HJ (Author) Other; Moreira, RDFPM (Author) Other; Alírio Rodrigues (Author) FEUP

Journal

Title: ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY

Vol. 11

Pages: 237-241

ISSN: 0929-5607

Publisher: Springer

Indexing

ISI Proceedings

ISI Web of Knowledge - 10 Citations

Scopus - 8 Citations

Scientific classification

CORDIS: Technological sciences > Engineering > Chemical engineering

Other information

Authenticus ID: P-000-53B

DOI: 10.1007/s10450-005-5930-7

Resumo (PT): The reduction of emission of carbon dioxide from flue gases can be achieved using post-combustion technologies, such as the adsorption using efficient solid sorbents. In this work, the adsorption of CO2 on hydrotalcite was studied using dynamical and static methods. The breakthrough curves were obtained at different flow gas and total pressure 1.0 bar, using CO2 diluted in helium at 29 degrees C. The experimental data showed that the Freundlich model was more suitable to describe the adsorption equilibrium, and the constants of Freundlich (k = 5.5 x 10(-4) and n = 0.23), are typical for favorable isotherm. The linear driving force model was suitable to describe the breakthrough curves.

Abstract (EN): The reduction of emission of carbon dioxide from flue gases can be achieved using post-combustion technologies, such as the adsorption using efficient solid sorbents. In this work, the adsorption of CO2 on hydrotalcite was studied using dynamical and static methods. The breakthrough curves were obtained at different flow gas and total pressure 1.0 bar, using CO2 diluted in helium at 29 degrees C. The experimental data showed that the Freundlich model was more suitable to describe the adsorption equilibrium, and the constants of Freundlich (k = 5.5 x 10(-4) and n = 0.23), are typical for favorable isotherm. The linear driving force model was suitable to describe the breakthrough curves.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 5