DOI: 10.11606/t.18.2008.tde-15022009-221141
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Tratamento de lixiviados de aterros sanitários em sistema de reatores anaeróbio e aeróbio operados em batelada seqüencial

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Cited by 13 publications
(16 citation statements)
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“…Thus, a TVA/COD ratio evaluation can be made in about two hours, which is very fast as compared to the five days necessary for the BOD/COD evaluation which, for an anaerobic treatment, would not be the best indicator. The methodology described by Dilallo and Albertson (1961) was calibrated with standard solutions of volatile fatty acids in the leachate, according to Contrera (2008) using Equation (1): TVA fca TVAA fcb 1.854 TVAA 427…”
Section: Analytical Methods and Microbiological Examsmentioning
confidence: 99%
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“…Thus, a TVA/COD ratio evaluation can be made in about two hours, which is very fast as compared to the five days necessary for the BOD/COD evaluation which, for an anaerobic treatment, would not be the best indicator. The methodology described by Dilallo and Albertson (1961) was calibrated with standard solutions of volatile fatty acids in the leachate, according to Contrera (2008) using Equation (1): TVA fca TVAA fcb 1.854 TVAA 427…”
Section: Analytical Methods and Microbiological Examsmentioning
confidence: 99%
“…For landfill leachates, the BOD test requires acclimated seed to avoid errors and, even so, when toxic substances are present in the leachate, depending on the concentration in the sample, the aerobic seed could be inhibited, leading to BOD values lower than the actual ones (Contrera, 2008).…”
Section: Introductionmentioning
confidence: 99%
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“…John e Cincotto (2003) relatam que na composição do gesso acartonado predomina a gipsita, seguido do papel (4 a 12%), fibras de vidro, vermiculitas e argilas (até 8%), amido, potassa (KOH), sabões, dispersantes, e hidro-repelentes para placas com resistência a água. Na Tabela 2.34 é apresentada a composição química apresentada por um fabricante nacional de gesso acartonado.…”
Section: Gesso (Rcc Classe B)unclassified
“…Em aterros novos, os valores de pH são baixos, devido à grande concentração de ácidos que consomem a alcalinidade do lixiviado (CONTRERA, 2008). Em lixiviados provenientes de aterros antigos, com elevada concentração de nitrogênio amoniacal, tende a aumentar os valores de pH para faixas alcalinas.…”
Section: Potencial Hidrogeniônico (Ph)unclassified