biodegradability measurement Applications

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  • Keyword: biodegradability measurement ×

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. 

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)

Gas Sensing for Landfill

by Edinburgh Instruments Ltd     based in Livingston, UNITED KINGDOM

In March 1986 an explosion destroyed a bungalow adjacent to a landfill site in Loscoe, Derbyshire. Subsequent measurements showed that 150-200 cubic meters of gas per hour were being generated by landfill waste. This event triggered a change in the way the waste industry considered and regulated gas generated at landfill sites; resulting in the landfill regulations of 2002, and in particular LFTGN03: the Guidance on the Management of landfill Gas. The regulations, which run to 128 pages, describe the management and control of landfill sites, and define landfill gas as being all the gas generated from landfill waste. This includes gases generated by biodegradation of waste and gas arising from chemical reactions and the volatilisation of chemicals from the waste. These regulations require that for every landfill site, a gas management plan is put in place to ensure: • Landfill gas must be collected from all landfills receiving biodegradable waste and the landfill gas must be treat

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