Objective: The goal of this research was to evaluate the influence of the incorporation of Sugarcane Filter Cake (SFC) as an amendment material (AM) on the process of biowaste (BW) composting and the quality of the final product. Methods: In this study the effect (in terms of stability, maturity and agricultural value) of SFC incorporation on four mixture proportions BW: SFC (100:00–control; 90:10; 80:20 and 70:30) was evaluated on a pilot scale. Results: The results show that overall, the incorporation of SFC enabled thermophilic temperatures to be achieved in a shorter time than the control treatment and improved the stability conditions (oxygen consumption <1.0 mgO2/gVSh), germination index (GI >80%: mature product) and quality product index (FI >3.5: high soil fertilization potential). The mixing ratio 80:20, showed the best product quality (highest total N content: 2.32%, TP: 1.42%, CEC: 65.5 meq/100 g), lower electrical conductivity (EC) value (0.38 dS/m) and total and fecal coliforms (15.3 and 4.0 NMP/g respectively), complying with technical standards (Colombian and Chilean) for organic products used as fertilizers and amendments or soil conditioners. In addition to demonstrating the best results of GI and FI (123.40% and 4.67 respectively).
Biorresiduos de Origen Municipal-BOM, Cachaza, Cocompostaje, Material de enmienda, Valor agrícolaAgricultural value, Amendment material, Biowaste, Co-composting, Filter cake
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