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dc.creatorMéndez-Contreras,J.M.-
dc.creatorRendón-Sagardi,J.A.-
dc.creatorRuiz-Espinoza,J.E.-
dc.creatorAlvarado-Lassman,A.-
dc.creatorMartínez-Delgadillo,S.A.-
dc.date2009-12-01-
dc.date.accessioned2012-07-31T21:57:36Z-
dc.date.available2012-07-31T21:57:36Z-
dc.date.issued2012-07-31-
dc.identifierhttp://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1665-27382009000300007-
dc.identifier.urihttp://repositoriodigital.academica.mx/jspui/handle/987654321/86814-
dc.descriptionThe objective of this study was to evaluate the performance of the mesophilic and thermophilic anaerobic digestion process as an alternative for the biosolids production. Biological sludge from a municipal and industrial (brewery and pulp and paper) wastewater treatment plant using a UASB reactor was used. During the operation of the mesophilic batch system, the volatile solids (VS) were reduced from 60.3% (15.67 g/L) up to 37.5% (9.67 g/L) with 31 d of treatment time. The mesophilic process presented a stable operation reducing 38% of VS with 1.76 Kg VS m-3 d-1 of organic load feed fulfilling with the criterion of vectors attraction reduction. However, in mesophilic conditions, the digested sludge must be post-treated with a process of pathogenic microorganism inactivation because only remove low concentrations of pathogenic microorganism. The obtained results demonstrated that the process in thermophilic conditions (55°C) is capable to stabilize 3.9 Kg VS m-3 d-1 and to inactive the totality of fecal coliforms, Salmonella spp. and helminth ova fulfilling with the permissible limits for class A biosolids.-
dc.formattext/html-
dc.languageen-
dc.publisherRevista mexicana de ingeniería química-
dc.subjectmesophilic anaerobic digestion-
dc.subjectthermophilic anaerobic digestion-
dc.subjectmunicipal wastewater sludge-
dc.titleBehavior of the mesophilic and termophilic anaerobic digestion in the stabilization of municipal wastewater sludge (Part 1)-
dc.typejournal article-
Aparece en las Colecciones:Revista Mexicana de Ingeniería Química

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