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Comparative study for hardwood and softwood forest biomass: chemical characterization, combustion phases and gas and particulate matter emissions.
Amaral, Simone Simões; de Carvalho, João Andrade; Costa, Maria Angélica Martins; Soares Neto, Turíbio Gomes; Dellani, Rafael; Leite, Luiz Henrique Scavacini.
Afiliación
  • Amaral SS; Energy Department, Universidade Estadual Paulista, UNESP, Guaratinguetá Campus, Brazil.
  • de Carvalho JA; Energy Department, Universidade Estadual Paulista, UNESP, Guaratinguetá Campus, Brazil. Electronic address: joao.a.carvalho.jr@pq.cnpq.br.
  • Costa MA; Lumber Industrial Engineering Department, Universidade Estadual Paulista, UNESP, Itapeva Campus, Brazil.
  • Soares Neto TG; Combustion and Propulsion Associate Laboratory, Brazilian Space Research Institute (INPE), Cachoeira Paulista, Brazil.
  • Dellani R; Lumber Industrial Engineering Department, Universidade Estadual Paulista, UNESP, Itapeva Campus, Brazil.
  • Leite LH; Combustion and Propulsion Associate Laboratory, Brazilian Space Research Institute (INPE), Cachoeira Paulista, Brazil.
Bioresour Technol ; 164: 55-63, 2014 Jul.
Article en En | MEDLINE | ID: mdl-24836706
Two different types of typical Brazilian forest biomass were burned in the laboratory in order to compare their combustion characteristics and pollutant emissions. Approximately 2 kg of Amazon biomass (hardwood) and 2 kg of Araucaria biomass (softwood) were burned. Gaseous emissions of CO2, CO, and NOx and particulate matter smaller than 2.5 µm (PM2.5) were evaluated in the flaming and smoldering combustion phases. Temperature, burn rate, modified combustion efficiency, emissions factor, and particle diameter and concentration were studied. A continuous analyzer was used to quantify gas concentrations. A DataRam4 and a Cascade Impactor were used to sample PM2.5. Araucaria biomass (softwood) had a lignin content of 34.9%, higher than the 23.3% of the Amazon biomass (hardwood). CO2 and CO emissions factors seem to be influenced by lignin content. Maximum concentrations of CO2, NOx and PM2.5 were observed in the flaming phase.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Madera / Bosques / Biomasa / Contaminantes Atmosféricos / Material Particulado / Gases País/Región como asunto: America do sul / Brasil Idioma: En Revista: Bioresour Technol Asunto de la revista: ENGENHARIA BIOMEDICA Año: 2014 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Madera / Bosques / Biomasa / Contaminantes Atmosféricos / Material Particulado / Gases País/Región como asunto: America do sul / Brasil Idioma: En Revista: Bioresour Technol Asunto de la revista: ENGENHARIA BIOMEDICA Año: 2014 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Reino Unido