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TCMP was added to inhibit nitrification. 25 mL of seed from a laboratory scale reactor was added to each test reactor. Oxygen uptake was monitored using a CHALLENGE AER-200 respirometer for five days. A second dose of 40 and 60 mL of leachate sample was then added to each reactor and oxygen uptake was measured for another 5 ...
ByChallenge Technology based in Springdale, ARKANSAS (USA)
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The CHALLENGE AER-200 Respirometer System consists of one or more biological reaction vessels, gas flow measuring cells, and a computer. The gas measuring base contains eight flow ceHs and associated interconnecting circuitry. As gas flows through each cell under the influence of a slight pressure caused by gas production in the reaction vessel, bubbles of a fixed volume are formed in the lower section of the cell. These bubbles in turn pass through a detection section where a counter is activated. Finally, the ...
ByChallenge Technology based in Springdale, ARKANSAS (USA)
Process Development in the chemical industry requires a profound and comprehensive knowledge of the processes involved and is governed by a triangular relationship between 'Economy - Safety - ...
ByMettler - Toledo Int. Inc based in Greifensee, SWITZERLAND
Today, pharmaceutical and fine chemical companies face major challenges posed by globalization, environmental regulation, and shortened product life cycle that affect all aspects of their business. The research and development of an optimized chemical synthesis route must be carried out in less time and with less chemical waste to ensure a robust and economic process that can be efficiently scaled to manufacturing while meeting constraints related to product yield and purity, process and worker safety, and ...
ByMettler - Toledo Int. Inc based in Greifensee, SWITZERLAND