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Título

Effects of the forced ventilation on composting of a solid olive-mill by-product (“alperujo”) managed by mechanical turning

AutorCegarra Rosique, Juan ; Alburquerque Méndez, José Antonio ; Gonzálvez, José; Tortosa Muñoz, Germán; Chaw, D.
Palabras claveAlperujo
AL
Fecha de publicación2006
EditorElsevier
CitaciónWaste Management 26(12): 1377-1383 (2006)
ResumenThe evaluation of the most suitable aeration technology for olive-mill by-product “alperujo” (AL) composting was carried out by using two identical piles prepared by mixing AL with a bulking agent (fresh cow bedding) and a mature compost (as inoculant). Forced ventilation was employed in conjunction with mechanical turning in one of the piles, whereas only mechanical turning was used in the other pile. These two treatment methods were evaluated by assessing process efficiency and end-product quality. The results show that the composting process was completed in less time when forced ventilation was coupled with mechanical turning. A slight delay in the evolution of pH, C/N ratio, and biodegradation of fats and organic matter was observed when only turning was employed. However, the recommended method for composting AL was mechanical turning without forced ventilation since the composition of the end-product in this case was comparable to the composted AL using forced ventilation coupled with mechanical turning. Furthermore, there were substantial economic savings by selecting mechanical turning alone, which included capital costs for equipment.
Descripción7 pages, 2 tables, 4 figures.
Versión del editorhttp://dx.doi.org/10.1016/j.wasman.2005.11.021
URIhttp://hdl.handle.net/10261/16395
DOI10.1016/j.wasman.2005.11.021
ISSN0956-053X
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