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Please use this identifier to cite or link to this item: http://hdl.handle.net/10651/29077

Title: Thermophilic co-digestion of cattle manure and food waste supplemented with crude glycerin in induced bed reactor (IBR)
Author(s): Castrillón Peláez, Leonor
Marañón Maison, María Elena
Fernández Nava, Yolanda
Ormaechea Menéndez, Pedro
Quiroga Álvarez, Gerardo
Keywords: Cattle manure
Food waste
Crude glycerin
Induced bed reactor
Issue date: 2013
Publisher: Elsevier
Publisher version: http://dx.doi.org/10.1016/j.biortech.2013.02.076
Citation: Bioresource Technology, 136, p. 73-77 (2013); doi:10.1016/j.biortech.2013.02.076
Format extent: p. 73-77
Abstract: The aim of the present research work was to boost biogas production from cattle manure (CM) by adding food waste (FW) and crude glycerin (Gly) from the biodiesel industry as co-substrates. For this purpose, different quantities of FW and Gly were added to CM and co-digested in an induced bed reactor (IBR) at 55 C. Sonication pre-treatment was implemented in the CM + Gly mixture, applying 550 kJ/kg TS to enhance the biodegradability of these co-substrates. The best results were obtained with mixtures of 87/10/3 (CM/FW/Gly) (w/w) operating at an organic loading rate of 7 g COD/L day, obtaining 92% COD removal, a specific methane yield of 640 L CH4/kg VS and a methane production rate of 2.6 L CH4/L day. These results doubled those obtained in the co-digestion of CM and FW without the addition of Gly (330 L CH4/kg VS and 1.2 L CH4/L day)
Description: Project AEMEP, Ref. 200800050084725
URI: http://hdl.handle.net/10651/29077
ISSN: 0960-8524
Sponsored: Spanish Ministry for the Environment, Rural and Maritime Affairs (Project AEMEP, Ref. 200800050084725)
Project id.: Ministerio de Medio Ambiente, Rural y Marino/AEMEP-200800050084725
Appears in Collections:Artículos
Ingeniería Química y Tecnología del Medio Ambiente

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