A model for cost estimation of system for piggery wastes treatment ponds: a case study

A model for cost estimation of system for piggery wastes treatment ponds: a case study

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Article ID: iaor20084468
Country: Brazil
Volume: 23
Issue: 3
Start Page Number: 463
End Page Number: 473
Publication Date: Sep 2003
Journal: Pesquisa Operacional
Authors: ,
Keywords: water, optimization
Abstract:

This article presents the results from the monitoring of a system of ponds for the treatment of piggery wastes, carried out during a 20 months period, with the objective to determine design parameters for the optimization of the treatment system. A series composed of two anaerobic ponds, one facultative pond and one water hyacinth pond, gave an efficiency of 97% in the removal of BODS, 93% for total phosphorus, 91% for total Kjeldahl nitrogen and a removal of 7 log units for fecal coliforms. A model of the optimization incurred in the treatment of these wastes was developed, within economic concepts.

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