Biodegradation Testing Applications

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  • Category: Monitoring & Testing ×

  • Subcategory: Biodegradation Testing ×

Respirometer Applications

by ECHO d.o.o.     based in Slovenske Konjice, SLOVENIA

Measurement of the aerobic biodegradability of plastic materials (US Standard ASTM D5338, European Standard ISO 14855)

Waste water respirometry solutions for toxicity testing

by Strathkelvin Instruments Ltd.     based in Motherwell, UNITED KINGDOM

If industrial wastewater entering a treatment works contains toxic components the rate of biodegradation will be inhibited or stop completely. This can result in failed consents and will certainly give rise to operational problems. Visible indications include deflocculation, bulking and the appearance of filamentous bacteria. Sometimes, there are no visible effects. When the sludge bacteria are inhibited, there is the possibility of toxicity carryover in the effluent that is discharged to receiving waters. With new environmental legislation being introduced, worldwide, to protect the natural environment, toxin discharge is now a serious concern for treatment plant managers.

Oxygen Monitoring from Aerobic and Anaerobic for Biodegradation Assessments

by Respirometer Systems and Applications, LLC     based in Springdale, ARKANSAS (USA)

Biodegradation tests involve testing samples in response to various parameters: dilution, nutrient addition, pH, temperature, and others. The pattern of oxygen uptake in aerobic tests; nitrogen gas production in anoxic denitrification tests; methane production in methanogenic tests; hydrogen production during glycolysis; and carbon dioxide production during fermentation reactions gives a measure of the rate and extent of biodegradation of the organic constituents of the test sample. 

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