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Effect of ultrasound pre-treatment in the anaerobic co-digestion of cattle manure with food waste and sludge

dc.contributor.authorQuiroga Álvarez, Gerardo 
dc.contributor.authorCastrillón Peláez, Leonor 
dc.contributor.authorFernández Nava, Yolanda 
dc.contributor.authorMarañón Maison, María Elena 
dc.contributor.authorNegral Álvarez, Luis 
dc.contributor.authorRodríguez Iglesias, Jesús Avelino 
dc.contributor.authorOrmaechea Menéndez, Pedro
dc.identifier.citationBioresource Technology, 154, p. 74-79 (2014); doi:10.1016/j.biortech.2013.11.096soa
dc.descriptionProject AEMEP (Ref. No. 200800050084725)spa
dc.description.abstractThis paper presents a study of the effect of applying ultrasound pre-treatment in the production of methane when co-digesting mixtures of cattle manure with food waste and sludge. A series of experiments were carried out under mesophilic and thermophilic conditions in continuously stirred-tank reactors containing 70% cattle manure, 20% food waste and 10% sewage sludge. Ultrasound pre-treatment allows operating at lower HRT, achieving higher volumetric methane yields: 0.85 L CH4/L day at 36 C and 0.82 CH4/L day at 55 C, when cattle manure and sewage sludge were sonicated. With respect to the non-sonicated waste, these values represent increases of up to 31% and 67% for mesophilic and thermophilic digestion, respectivelyen
dc.description.sponsorshipSpanish Ministry for the Environment, Rural and Maritime Affairs
dc.format.extentp. 74-79spa
dc.relation.ispartofBioresource Technology, 154en
dc.rights© 2014 Elsevier
dc.rightsCC Reconocimiento - No comercial - Sin obras derivadas 4.0 Internacional
dc.subjectAnaerobic co-digestionen
dc.subjectCattle manureen
dc.subjectSewage sludgeen
dc.subjectFood wasteen
dc.titleEffect of ultrasound pre-treatment in the anaerobic co-digestion of cattle manure with food waste and sludgeen
dc.typejournal article
dc.relation.projectIDMinisterio de Medio Ambiente, Rural y Marino/AEMEP- 200800050084725
dc.rights.accessRightsopen access

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