TAILIEUCHUNG - Anaerobic digestion of mechanically treated OFMSW: Experimental data on biogas/methane production and residues characterization

One of the more promising processes for the energetic transformation of waste is the anaerobic digestion of the Organic Fraction of Municipal Solid Waste. An experimental campaign was carried out on three different samples of OFMSW from Waste Separation, one as received and two obtained after mechanical treatment: OFMSW slurry (liquid fraction) and OFMSW Waste. Anaerobic Biogasification Potential and anaerobic digestion tests were carried out, investigating the effects of inoculum and pH. The OFMSW Waste was also examined to evaluate the possibility to dispose of it in a landfill. | Bioresource Technology 102 2011 8885-8892 Contents lists available at ScienceDirect Bioresource Technology journal homepage locate biortech Anaerobic digestion of mechanically treated OFMSW Experimental data on biogas methane production and residues characterization Francesco Fantozzi Cinzia Buratti University of Perugia Biomass Research Centre CRB Via G. Duranti Strada S. Lucia Canetola 06125 Perugia Italy ARTICLE INFO ABSTRACT Article history Received 28 January 2011 Received in revised form 18 June 2011 Accepted 20 June 2011 Available online 26 June 2011 Keywords OFMSW Anaerobic digestion Pilot plant ABP test One of the more promising processes for the energetic transformation of waste is the anaerobic digestion of the Organic Fraction of Municipal Solid Waste OFMSW . An experimental campaign was carried out on three different samples of OFMSW from Waste Separation WS one as received and two obtained after mechanical treatment squeezing OFMSW slurry liquid fraction and OFMSW Waste residual solid fraction . Anaerobic Biogasification Potential ABP and anaerobic digestion tests AD were carried out investigating the effects of inoculum and pH. The OFMSW Waste was also examined to evaluate the possibility to dispose of it in a landfill. Results showed that OFMSW slurry must be diluted and inoculated and that pH control in the start up phase is essential in order to have significant biogas productions. OFMSW as received did not show a significant biogas production while OFMSW Waste showed suitable characteristics for landfill disposal except for Dissolved Organic Carbon. 2011 Elsevier Ltd. All rights reserved. 1. Introduction The actual energy mix could be significantly diversified by an increase in the use of Renewable Energy Sources RES which have a lower environmental impact than Conventional ones. A significant contribution could be given by biomass and in particular by humid residues suitable for anaerobic digestion process which are influenced .

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