Applications

Biodegradation Testing

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The pattern of oxygen uptake– relative to that for a control substrate – gives a measure of the rate and extent of biodegradation of the organic constituents of the test sample. In this case, samples #2 and #3 showed a much lower biodegradation rate than the Control

Nitrification Testing

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​This case study shows how respirometers can be used to measure the impact of an industrial wastewater on the nitrification reaction in a treatment plant.

In this case, samples containing up to 60% wastewater by volume showed evidence of nitrification inhibition.

Denitrification Testing

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Anoxic denitrification requires the presence of an organic substrate to serve as an electron donor.

This case study shows how respirometry was used to determine the effect of C/N ratio on denitrification rates. Such testing can be used to determine optimum internal recycle rates or supplemental carbon addition to biological denitrification plants.

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