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A FRESH ENGINEERING EVALUATION OF LEACHATE TREATMENT OPTIONS

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Abstract:

Millennium Science & Engineering Inc. and their UK associate MSE Ltd., conducted a feasibility study on behalf of a UK waste management company to examine and help define:

Site water balance for leachate generation quantities and site leachate quality


Review of treatment options and initial definition of a suitable option with order of magnitude costs


Commissioning of Pilot Plant and operation of a full-scale treatment trial


The Hydrologic Evaluation of Landfill Practices (HELP) model was used to determine the water balance for the site. A review was conducted of the typical leachate treatment methodologies and a selection analysis was undertaken. The methodology appropriate from technological and commercial grounds was determined to be a moving bed biological reactor (MBBR).

The subsequent pilot trial had to be undertaken at an alternative site, one with a significantly different leachate quality, containing a much higher concentration of non-biodegradable COD. Despite the change in leachate characteristics and quality, the MBBR technology treated the biologically degradable COD to the required concentration.

Document Type: Research Article

DOI: https://doi.org/10.2175/193864704784105977

Publication date: 2004-01-01

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