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Effect of nano-ZnO on biogas generation from simulated landfills.
Temizel, Ilknur; Emadian, S Mehdi; Di Addario, Martina; Onay, Turgut T; Demirel, Burak; Copty, Nadim K; Karanfil, Tanju.
Afiliación
  • Temizel I; Bogaziçi University, Institute of Environmental Sciences, Bebek, Istanbul 34342, Turkey.
  • Emadian SM; Bogaziçi University, Institute of Environmental Sciences, Bebek, Istanbul 34342, Turkey.
  • Di Addario M; DISAT, Dept. of Applied Science and Technology, Politecnico di Torino, Torino 10129, Italy.
  • Onay TT; Bogaziçi University, Institute of Environmental Sciences, Bebek, Istanbul 34342, Turkey. Electronic address: onayturg@boun.edu.tr.
  • Demirel B; Bogaziçi University, Institute of Environmental Sciences, Bebek, Istanbul 34342, Turkey.
  • Copty NK; Bogaziçi University, Institute of Environmental Sciences, Bebek, Istanbul 34342, Turkey.
  • Karanfil T; Environmental Engineering and Earth Science, College of Engineering and Sciences, Clemson University, Clemson, SC 29634, USA.
Waste Manag ; 63: 18-26, 2017 May.
Article en En | MEDLINE | ID: mdl-28126371
Extensive use of nanomaterials in commercial consumer products and industrial applications eventually leads to their release to the waste streams and the environment. Nano-ZnO is one of the most widely-used nanomaterials (NMs) due to its unique properties. It is also known to impact biological processes adversely. In this study, the effect of nano-ZnO on biogas generation from sanitary landfills was investigated. Two conventional and two bioreactor landfills were operated using real MSW samples at mesophilic temperature (35°C) for a period of about 1year. 100mg nano-ZnO/kg of dry waste was added to the simulated landfill reactors. Daily gas production, gas composition and leachate Zn concentrations were regularly monitored. A model describing the fate of the nano-ZnO was also developed. The results obtained indicated that as much as 99% of the nano-ZnO was retained within the waste matrix for both reactor operation modes. Waste stabilization was faster in simulated landfill bioreactors with and without the addition of nano-ZnO. Moreover, the presence of the nano-ZnO within the waste led to a decrease in biogas production of about 15%, suggesting that the nano-ZnO might have some inhibitory effects on waste stabilization. This reduction can have potentially significant implications on waste stabilization and the use of biogas from landfills as a renewable energy source.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Óxido de Zinc / Eliminación de Residuos / Contaminantes Atmosféricos / Instalaciones de Eliminación de Residuos Idioma: En Revista: Waste Manag Asunto de la revista: SAUDE AMBIENTAL / TOXICOLOGIA Año: 2017 Tipo del documento: Article País de afiliación: Turquía Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Óxido de Zinc / Eliminación de Residuos / Contaminantes Atmosféricos / Instalaciones de Eliminación de Residuos Idioma: En Revista: Waste Manag Asunto de la revista: SAUDE AMBIENTAL / TOXICOLOGIA Año: 2017 Tipo del documento: Article País de afiliación: Turquía Pais de publicación: Estados Unidos