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Unprecedented Low-Cost Hybrid Material for CO2 and CH4 Separation

Unprecedented Low-Cost Hybrid Material for CO2 and CH4 Separation

作     者:Murilo Pereira Moises Joziane Gimenes Meneguin Cleiser Thiago Pereira da Silva Vicente Lira Kupfer Pedro Augusto Arroyo Andrelson Wellington Rinaldi Emerson Marcelo Girotto Silvia Luciana Favaro Eduardo Radovanovic 

作者机构:Department of Chemical State University of Maring6 Maringa 87020-900 Brazil Department of Chemical Engineering State University of Maringa Maring6 87020-900 Brazil Department of Mechanical Engineering State University of Maringa Maring6 87020-900 Brazil Federal University Technological of Parana Apucarana 86812-460 Brazil 

出 版 物:《Journal of Chemistry and Chemical Engineering》 (化学与化工(英文版))

年 卷 期:2015年第9卷第5期

页      面:318-323页

学科分类:081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 

主  题:Gas adsorption biogas purification porous materials. 

摘      要:The zeolite synthesis using waste as silicon source is a promising low-cost process. Sugarcane bagasse ash is a hazardous solid waste generated in large amounts in the sugar industry. Thus, development of new procedures for its productive reuse is relevant. Therefore, this waste was used to prepare a new ZCNT (zeolite/carbon nanotube material). In this work, ZCNT was applied in a CO2/CH4 separation. The adsorption took place at 303 K under pressure of 0.1 until 20 bar and the data were fitted by Langmuir, Toth and Freundlich equations. The adsorbed amount at 20 bar found was 4.7 mmol of CO2/g and 4.1 mmol of CH4/g; at 3 bar the adsorbed amount was 4.1 mmol of COJg and 1.2 mmol of CHa/g. This result indicates that ZCNT has potential application in COJCH4 separation at low pressures.

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