Chiarelotto, Maico, Damaceno, Felippe Martins, Lorin, Higor Eisten Francisconi, Tonial, Larissa M.S., Costa, Luiz Antonio de Mendonça, Bustamante, María A., Moral, Raúl, Marhuenda Egea, Frutos Carlos, Costa, Monica Sarolli Silva de Mendonça
Reducing the composting time of broiler agro-industrial wastes: The effect of process monitoring parameters and agronomic quality
Waste Management. 2019, 96: 25-35. doi:10.1016/j.wasman.2019.07.012
URI: http://hdl.handle.net/10045/94473
DOI: 10.1016/j.wasman.2019.07.012
ISSN: 0956-053X (Print)
Abstract: 
The aim of this study was to evaluate the effect of considering different composting times on compost quality before the end of the bio-oxidative phase and after the maturation and storage phases. This study may provide useful information to optimize the composting process and increase the economic feasibility of the technology and its adoption without decreasing the quality of the end-product. In this study, three composts were prepared using chicken meat processing wastes mixed with urban tree trimmings, serving as a bulking agent, to evaluate the effect of reducing the durations of the bio-oxidative phase and the maturity stage on the different physico-chemical properties. Specifically, we evaluate water-soluble organic matter transformations by using excitation–emission matrix (EEM) fluorescence spectroscopy. The obtained results have shown that a composting time of 35 days combined with eight turnings was efficient for achieving the standard process control parameters for agro-industrial waste composting in the studied conditions and allowed for the production of stable and mature compost that is suitable for agricultural use.
Keywords:Control parameters, Green wastes, Compost maturity, Exothermic indices, FTIR, EEM fluorescence
Elsevier
info:eu-repo/semantics/article