2003
DOI: 10.1590/s0101-74382003000300006
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A model for cost estimation of system for piggery wastes treatment ponds: a case study

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 BOD 5 , 93% for total phosphorus, 91% for total Kjeldahl nitrogen and a removal of 7 log units for fecal coliforms. A model of the o… Show more

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(1 citation statement)
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“…Anaerobic digestion process is economically feasible as the method needs a low capital and operating cost by using covered lagoon as the digester type. (Choong, Chou, Norli, & Reviews, 2018;Medri & Costa, 2003;Sani et al, 2020). However, anaerobic digestions require large land area, long hydraulic retention time (HRT) and produces smelly odor (Lee et al, xxxx;Lee & San Lee, 2020;Wastewater Technology Fact Sheet Anaerobic Lagoons, 2002;Zainal, 2018).…”
Section: Introductionmentioning
confidence: 99%
“…Anaerobic digestion process is economically feasible as the method needs a low capital and operating cost by using covered lagoon as the digester type. (Choong, Chou, Norli, & Reviews, 2018;Medri & Costa, 2003;Sani et al, 2020). However, anaerobic digestions require large land area, long hydraulic retention time (HRT) and produces smelly odor (Lee et al, xxxx;Lee & San Lee, 2020;Wastewater Technology Fact Sheet Anaerobic Lagoons, 2002;Zainal, 2018).…”
Section: Introductionmentioning
confidence: 99%