respirometer

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respirometer

[‚res·pə′räm· əd·ər]
(engineering)
An instrument for studying respiration.
A diver's helmet containing a compressed air supply for replenishing oxygen used by the diver.
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Monitoring the biological activity of the composting process: oxygen uptake rate (OUR), respirometric index (RI), and respiratory quotient (RQ).
The results obtained in the respirometric measures suggested that higher densities consumed more oxygen.
The effect of biodegradation on the blends of different concentrations was evaluated by weight loss tests and the effect of prior photodegradation on the biodegradation of the different materials was evaluated measuring the carbon dioxide formed as the product of biodegradation process by Bartha respirometric tests.
BOD was determined by Respirometric Method 5210 D, using BOD sensor inductive stirring system, Lovibond.
As the kinetic parameters and short-term oxygen demands are functions of the compound undergoing biodegradation and the composition of the microbial community performing the degradation [11, 23], the respirometric method grants the possibility to assess the potential of activated sludge to oxidize different compounds and predict the rate of their removal in the treatment plant.
Biodegradation of tannery wastewater using sequencing batch reactor -- Respirometric assessment.
Keesman; Identification of Activated Sludge and Wastewater Characteristics using Respirometric Batch-Experiments; Water Research: 32(4), 1240-1254, (1998).
This technique allows for well-controlled respirometric experiments and is very effective at keeping deep-sea organisms alive both on board ship and in the laboratory.
Based on the same principles as the 1970's fully automatic Arthur Respirometer, this simplified version can perform the same respirometric tests for toxicity, treatabilty, nitrification/denitrification and organic load measurement.