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Rapid mineralisation of the Organic Fraction of Municipal Solid Waste.
Martínez-Valdez, F J; Martínez-Ramírez, C; Martínez-Montiel, L; Favela-Torres, E; Soto-Cruz, N O; Ramírez-Vives, F; Saucedo-Castañeda, G.
Afiliação
  • Martínez-Valdez FJ; Metropolitan Autonomous University Campus Iztapalapa, Biotechnology Department, Mexico City, Iztapalapa, Z.C. 09340, Mexico.
  • Martínez-Ramírez C; Metropolitan Autonomous University Campus Iztapalapa, Biotechnology Department, Mexico City, Iztapalapa, Z.C. 09340, Mexico.
  • Martínez-Montiel L; Metropolitan Autonomous University Campus Iztapalapa, Biotechnology Department, Mexico City, Iztapalapa, Z.C. 09340, Mexico.
  • Favela-Torres E; Metropolitan Autonomous University Campus Iztapalapa, Biotechnology Department, Mexico City, Iztapalapa, Z.C. 09340, Mexico.
  • Soto-Cruz NO; Durango Institute of Technology, Durango, Durango 34080, Mexico.
  • Ramírez-Vives F; Metropolitan Autonomous University Campus Iztapalapa, Biotechnology Department, Mexico City, Iztapalapa, Z.C. 09340, Mexico.
  • Saucedo-Castañeda G; Metropolitan Autonomous University Campus Iztapalapa, Biotechnology Department, Mexico City, Iztapalapa, Z.C. 09340, Mexico. Electronic address: saucedo@xanum.uam.mx.
Bioresour Technol ; 180: 112-8, 2015 Mar.
Article em En | MEDLINE | ID: mdl-25594506
The effect of pH, C/N ratio, addition of a microbial consortium (MC) and temperature upon mineralisation of Organic Fraction of Municipal Solid Waste (OFMSW) was studied; mineralisation was measured through the CO2 production rate and total CO2 formation. Through this process up to 432.9mg of CO2g(-1) initial dry matter (IDM) after 2days of treatment was obtained. It was found that under a slightly acidic pH (5-6) and C/N of 30, the mineralisation process was accelerated. Moreover, temperature (27-50°C) had no effect on the total CO2 produced. The highest CO2 production rate (5.28d(-1)) was observed at 27°C, C/N ratio of 30 and 8% of microbial consortium; it is at least 3.52 times higher than that reported (1.5d(-1)). The highest release of reducing sugars was determined at 50°C, possibly due to an increase in hydrolytic enzymes. Results suggest the potential use of rapid mineralisation of OFMSW for further friendly environmental processes.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Eliminação de Resíduos / Consórcios Microbianos Idioma: En Revista: Bioresour Technol Assunto da revista: ENGENHARIA BIOMEDICA Ano de publicação: 2015 Tipo de documento: Article País de afiliação: México País de publicação: Reino Unido
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Eliminação de Resíduos / Consórcios Microbianos Idioma: En Revista: Bioresour Technol Assunto da revista: ENGENHARIA BIOMEDICA Ano de publicação: 2015 Tipo de documento: Article País de afiliação: México País de publicação: Reino Unido