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Engenharia Agrícola

Print version ISSN 0100-6916On-line version ISSN 1809-4430


TORRES, Patricia et al. Plant biosolids composting of wastewater treatment. Eng. Agríc. [online]. 2007, vol.27, n.1, pp.267-275. ISSN 1809-4430.

It was evaluated the bio solid composting in Cañaveralejo Wastewater Treatment Plant in Cali - Colombia. Although the process was viable, the bulking agent (BA) incorporation improved the final product C/N relation. Municipal yard trimmings and sugar cane waste were the best bulking agent and amendment material, respectively. The B:BA:AM optimal relation, on percent, was 72:10:18. In terms of waste management and considering the increasing on the municipal wastewater treatment plants number, this study showed that the bio solid compost could be considered as a material with agricultural potential use; additionally when the option is just the bio solid final disposition, the composting process can reduce its disposal volume at 70%.

Keywords : amendment and bulking agents; biosolids management; composting.

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