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dc.contributor.authorCarlos Javier Cobo-Ceacero-
dc.contributor.authorJosé Manuel Moreno-Maroto-
dc.contributor.authorMarta Guerrero-Martínez-
dc.contributor.authorManuel Uceda-Rodríguez-
dc.contributor.authorAna B. López-García-
dc.contributor.authorCarmen Martínez García-
dc.contributor.authorTeresa Cotes-Palomino-
dc.identifier.citationCarlos Javier Cobo-Ceacero, José Manuel Moreno-Maroto, Marta Guerrero-Martínez, Manuel Uceda-Rodríguez, Ana B. López, Carmen Martínez García, Teresa Cotes-Palomino, Effect of the addition of organic wastes (cork powder, nut shell, coffee grounds and paper sludge) in clays to obtain expanded lightweight aggregates, Boletín de la Sociedad Española de Cerámica y Vidrio, Volume 62, Issue 1, 2023, Pages 88-105es_ES
dc.description.abstractFour organic solid wastes (coffee grounds, ground nut shell, paper money sewage sludge and cork powder) have been investigated as bloating inducing agents in lightweight aggregate (LWA) manufacturing when mixed in small proportions (2.5 wt.%) with three types of clays. The pellets obtained were fired in a rotary kiln at the maximum feasible temperature for 4 min. A similar impact was observed both in the working conditions and in the properties of the LWAs, showing that the differences between said residues are not as decisive as those of the clays to which they are added. The organic wastes have played a crucial role in achieving reducing conditions inside the aggregate. Thus, their addition has led to substantial improvements both from an operational point of view, lowering the working temperature, and from a technological perspective, favoring bloating and the development of a highly porous and lightweight structure. Leachate studies have shown that the LWAs meet the regulatory limits. The outcomes of this investigation show that, in line with the precepts of the Circular Economy, the recovery of organic wastes of different nature can have a place in the production of environmentally friendly LWAs.es_ES
dc.description.sponsorshipThis research was conducted as a part of the ECO-MET-AL Project (PID2019-109520RB-I00), “Can industrial and mining metalliferous wastes produce green lightweight aggregates? Applying the Circular Economy” funded by the Spanish Ministry of Science, Innovation and Universities, framed in the “Ayudas a “Proyectos I+D+i” en el marco de los Programas Estatales de Generación de Conocimiento y Fortalecimiento Científico y Tecnológico del Sistema de I+D+i y de I+D+i orientada a los Retos de la Sociedad, Convocatoria 2019”.es_ES
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.subjectLightweight aggregatees_ES
dc.subjectCorkNut shelles_ES
dc.subjectCoffee groundses_ES
dc.subjectPaper wastees_ES
dc.subjectWaste recyclinges_ES
dc.titleEffect of the addition of organic wastes (cork powder, nut shell, coffee grounds and paper sludge) in clays to obtain expanded lightweight aggregateses_ES
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