by Erik Rumbaugh | Aug 28, 2024 | Uncategorized
When discussing wastewater system organisms, we clump organisms into functional groups based on their ecological impact(s) in wastewater treatment. After working with Microbial Community Analysis (MCA) testing for over 8 years, Aster Bio now reports % of reads in the...
by Erik Rumbaugh | Aug 19, 2024 | Uncategorized
Rapid temperature changes tend to cause more problems than gradual drift in WW. Even with slow increase in temperatures, you reach inflection points where system drifts above the growth range of most common mesophilic organisms. Most common genera in WW thrive up to...
by Erik Rumbaugh | Aug 7, 2024 | Uncategorized
Biochemistry of organic acids formation Anaerobic conditions – terminal electron acceptor is an organic compound rather than O2, NOx or SOx. Results in XCOOH (organic acids) & alcohols – this is called anaerobic or fermentative respiration Formed in collection...
by Erik Rumbaugh | Aug 1, 2024 | Wastewater Monitoring, Wastewater Procedure, Wastewater Testing
Wastewater MLSS or MLVSS is often call the “microbes” or amount of working biomass in a treatment system. However, MLVSS is just the weight of volatile solids in the system rather than any direct measure of living/working biomass. MLVSS consists of living and dead...
by Erik Rumbaugh | Jul 30, 2024 | Wastewater Troubleshooting
Nitrite lock occurs when the ammonia (NH₄) doesn’t complete the full nitrification process, which typically involves the following steps: Ammonia Oxidation (NH₄ → NO₂): Ammonia is oxidized to nitrite by ammonia-oxidizing bacteria (AOB). Nitrite Oxidation (NO₂ →...
