https://www.openlearning.com/u..../callahanherndon-soh
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https://www.selleckchem.com/pr....oducts/cid44216842.h
Furthermore, the applied current played a selective role in the enrichment of microorganisms. Dissolved oxygen (DO) played a short board effect on nitrogen biotransformation and pollutant metabolism. This study for the first time explored the key role of different levels of DO (covering anaerobic, anoxic and aerobic) on hydrolyzed polyacrylamide (HPAM) bioconversion. HPAM was metabolized to intermediates with different chain length. Volatile fatty acid (VFA) production rose first and then descended with DO concentration (0-2 mg·L-1)