2003
DOI: 10.1016/s0045-6535(03)00513-7
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Coagulation–flocculation pretreatment of sanitary landfill leachates

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Cited by 416 publications
(258 citation statements)
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“…Despite the results cited by Samadi (2010) and Tatsi (2003), in this experiment the removal of turbidity, color and COD decreased when using pH adjustments above neutral. COD removals obtained with the use of ferric coagulants were similar to those obtained by the last mentioned author, who used a dose about 20% lower than those that provided the best results in our experiments.…”
Section: Discussioncontrasting
confidence: 93%
“…Despite the results cited by Samadi (2010) and Tatsi (2003), in this experiment the removal of turbidity, color and COD decreased when using pH adjustments above neutral. COD removals obtained with the use of ferric coagulants were similar to those obtained by the last mentioned author, who used a dose about 20% lower than those that provided the best results in our experiments.…”
Section: Discussioncontrasting
confidence: 93%
“…The complexity of these characteristics makes the leachate more difficult to manage. Therefore, the treatment of landfill leachate constituents prior to its discharge is a legal necessity to avoid pollution of water bodies and to prevent both severe and continual toxicity (Öman & Junestedt, 2008;Sanphoti et al, 2006;Tatsi et al, 2003).…”
Section: Introductionmentioning
confidence: 99%
“…Este tipo de processo pode ser considerado eficiente no tratamento de chorume de aterro novo, rico em ácidos graxos volá-teis e elevado valor de Demanda Bioquímica de Oxigênio (DBO) 5,6 . Entretanto, inúmeros problemas são detectados no tratamento de chorume de celas mais antigas (chorume maduro), o qual costuma apresentar reduzida disponibilidade de matéria orgânica biodegradável, altas concentrações de nitrogênio amoniacal, metais potencialmente tóxicos e substâncias húmicas 7,8 , além de outras espécies complexas que resultam da condensação de núcleos aromáti-cos 8,9 . Em geral, admite-se que a permanência de compostos de alta massa molecular no lixiviado de aterro sanitário é um dos fatores responsáveis pela redução considerável de sua biodegradabilidade (determinada pela relação DBO/DQO) ao longo do tempo 10 .…”
Section: Introductionunclassified