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ECN publication
Leaching behaviour of Essent Bioreactor rest product at different stages of degradation in lab and pilot scale to assess potential utilization options
Sloot, H.A. van der; Woelders, H.
Published by: Publication date:
ECN 1-7-2001
ECN report number: Document type:
ECN-RX--01-043 Conference Paper
Number of pages: Full text:
11 Download PDF  

Presented at: 1st Intercontinental Landfill Research Symposium, Lulea, Sweden, 11-13 december 2000.

Detailed characterisation of the leaching behaviour of Mechanically Separated Organic Residue (MSOR) and the rest product after degradation in a lysimeter (ca. 0.2 m3), and in a full-scale bioreactor (38.000 m3) demonstration has been carried out. This characterisation has yielded valuable new insights in how to manage this material. Dissolved organic carbon (DOC) at neutral pH can be used as a quick method to identify status of degradation. The Acid Neutralisation Capacity (ANC) shows that long term pH stability of the material can be ensured. Furthermore, evaluation of the leaching behaviour of individual constituents provides means to improve quality. After degradation, material with soil-like leaching characteristics remains. Measures to improve the morphological aspects could lead to a reusable product.

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