Resumo

CACUA, Karen; AMELL, Andrés  e  OLMOS, Luis. A comparative study of the com- combustion properties of normal bio-bustion biogas gas gas-air mixture and oxygen oxygen-enriched biogas biogas-air. Ing. Investig. [online]. 2011, vol.31, n.1, pp.233-241. ISSN 0120-5609.

Research into renewable energy as energy alternatives and decreasing greenhouse gases from organic waste decomposition make biogas a promising alternative for fossil fuel substitution and an energy source from recovery of organic waste in urban, rural and agroindustrial areas. This paper presents a sensitivity analysis of oxygen-enriched biogas combustion properties ranging from 22% to 35%. Results showed that properties such as deflagration speed, adiabatic flame temperature, dew temperature and CO₂ and H₂O percentage increased when oxygen percentage in air was increased. On the other hand, properties such as minimum ignition energy, stoichiometric air volume and dry fume volume decreased when the O₂ percentage in air was higher than 21%.

Palavras-chave : biogas; oxygen enrichment; greenhouse gas; combustion property.

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