<b>Development and appraisal of a Biogas CO<sub>2</sub> remotion system</b> - DOI: 10.4025/actascitechnol.v26i1.1537

Authors

  • Edney Alves Magalhães UNIOESTE
  • Samuel Nelson Melegari de Souza UNIOESTE
  • Adriano Divino de Lima Afonso UNIOESTE
  • Reinaldo Prandini Ricieri UNIOESTE

DOI:

https://doi.org/10.4025/actascitechnol.v26i1.1537

Keywords:

coluna de absorção, metano, energia renovável, gás natural

Abstract

The biogas is an alternative fuel produced by the biomass anaerobic digestion (organic waste) and is composed by methane and carbon dioxide. The shift in the composition of biogas is very important because it increases its use viability as biofuel. The remotion of carbon dioxide (CO2) increases the methane (CH4) concentration in biogas composition, making its heating value higher. A decrease of acid hydrosulphide (H2S) concentration reduces the corrosion produced during the use of biogas in thermal systems for the secondary energy production. This work aimed to develop a physical and chemical mechanism for biogas CO2 remotion. The device developed was an absorption column stuffed of 250 cm high and 30 cm of diameter, using pipe of PVC rigid of 20 mm of diameter as stuff and water as solvent. Tests were done with inside pressure and gas flow in the column between 300 and 500 kPa and 190 and 670 cm3/s. The original biogas has a concentration of 33% CO2. With the utilization of the column absorption a reduction in CO2 concentration of 15% was obtained, which showed an increasing of 57% in the lower heating value of biogas per unit of mass

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Author Biography

Samuel Nelson Melegari de Souza, UNIOESTE

Possui graduação em Engenharia Mecânica pela Universidade Estadual Paulista Júlio de Mesquita Filho (1991), mestrado em Engenharia Mecânica pela Universidade Federal de Uberlândia (1994) e doutorado em Planejamento de Sistemas Energéticos pela Universidade Estadual de Campinas (1998). Atualmente é Adjunto D e T-40 da Universidade Estadual do Oeste do Paraná. Tem experiência na área de Engenharia Mecânica, Agrí­cola e civil, com ênfase em Termodinâmica, Fenômenos de Transporte, Bioenergia e Conforto Térmico, atuando principalmente nos seguintes temas: energias alternativas, energização rural, bioenergia, conforto térmico e energia solar Currí­culo Lattes

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Published

2008-03-31

How to Cite

Magalhães, E. A., Souza, S. N. M. de, Afonso, A. D. de L., & Ricieri, R. P. (2008). <b>Development and appraisal of a Biogas CO<sub>2</sub> remotion system</b> - DOI: 10.4025/actascitechnol.v26i1.1537. Acta Scientiarum. Technology, 26(1), 11–19. https://doi.org/10.4025/actascitechnol.v26i1.1537

Issue

Vol. 26 No. 1 (2004)

Section

Chemical Engineering

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