Resources
Technical articles on biomass management, molecular diagnostics, and biological wastewater treatment.
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 …
Aug 1, 2024Wastewater 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 …
Jul 30, 2024Nitrite 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 …
Jul 2, 2024Aster Bio takes Wastewater Monitoring Technology to the Next Level Erik Rumbaugh, Aster Bio Partner and leader in molecular biology and biochemistry, explains next-generation wastewater monitoring technology. Where our wastewater …
Jul 2, 2024Types of Wastewater Testing As Co-founder, President, and leader in molecular biology and biochemistry — Paul Campbell explains Aster Bio’s two different types of wastewater testing that help operators understand …
May 29, 2024You often hear that a biological treatment system is: Healthy In balance Stable Equilibrium Steady stateUnless your system receives a uniform influent at a constant flow in addition to other …
May 8, 2024Moving from scientific journals to even a Netflix special, microbiomes have been a popular topic in the news. Most popular articles discuss the human digestive tract microbiome which is one …
Apr 10, 2024This wastewater indicator organisms poster relates observed protozoa and metazoa populations to F/M and MCRT. We find it useful to post near the lab microscope to help with interpretation and …
Apr 8, 2024Dissolved Oxygen Uptake Rate (DOUR) and Specific Oxygen Uptake Rate (SOUR) are often used to monitor biological system health on a daily basis. When used frequently, oxygen uptake rates show …
Apr 8, 2024Non-filamentous bulking is often overlooked as a wastewater treatment problem. Operators facing viscous bulking often complain of “gelatinous” floc, that billows over the clarifier weir and is difficult to dewater …