The capability and performances of anaerobic biological removal of dimethyldisulfide were studied with a biofilter packed with a mixture of activated carbon and calcium carbonate grains. The oxygen sources of the bio-oxydation came from nitrates used like nutrients. The operating conditions (pH, volumetric load…) were determined. The quantification of the nutrients (DMDS, Nitrates) and by-products (Sulfates) in the influent and the effluent enabled us to approach the mechanisms of degradation of dimethyldisulfide.

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