Characterization of landfill leachates by molecular size distribution, biodegradability, and inert chemical oxygen demand

This work presents results from a detailed characterization of landfill leachates of different ages from a landfill in a major Brazilian city. This characterization consists of determining the molecular size distribution and the inert chemical oxygen demand (COD) and the biodegradability of both aer...

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Veröffentlicht in:Water environment research : a research publication of the Water Environment Federation. - 1998. - 81(2009), 5 vom: 05. Mai, Seite 499-505
1. Verfasser: Amaral, Míriam C S (VerfasserIn)
Weitere Verfasser: Ferreira, Cynthia F A, Lange, Liséte Celina, Aquino, Sérgio F
Format: Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Water environment research : a research publication of the Water Environment Federation
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Water Pollutants, Chemical Oxygen S88TT14065
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520 |a This work presents results from a detailed characterization of landfill leachates of different ages from a landfill in a major Brazilian city. This characterization consists of determining the molecular size distribution and the inert chemical oxygen demand (COD) and the biodegradability of both aerobic and anaerobic processes. Results show that leachate with a high COD concentration leachate has low biodegradability. A significant fraction of the COD is not characterized as protein, carbohydrate, or lipids, which reinforces the hypothesis that the remaining fraction was present in all leachate fractions (less than 1 kDa; between 1 and 10 kDa; between 10 and 100 kDa; and greater than 100 kDa) and is refractory. These results suggest that leachates with such characteristics require treatment systems that use physical-chemical processes as a pre- or post-treatment step to biological processes 
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700 1 |a Ferreira, Cynthia F A  |e verfasserin  |4 aut 
700 1 |a Lange, Liséte Celina  |e verfasserin  |4 aut 
700 1 |a Aquino, Sérgio F  |e verfasserin  |4 aut 
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