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Technical articles on biomass management, molecular diagnostics, and biological wastewater treatment.

Oct 4, 2024

Understanding qPCR vs. MCA Tests in Wastewater Applications: Choose the Right Molecular Method for Your Needs

In wastewater treatment and environmental monitoring, molecular testing technologies have revolutionized the way we analyze microbial populations and identify specific contaminants. But what’s the difference? qPCR vs MCA Tests… Among …

Sep 19, 2024

Using enzymes for improving hydrolysis rate in anaerobic digesters

Anaerobic digesters rely on a complex consortium of microorganisms for converting biosolids into methane gas and carbon dioxide. The community includes both bacteria and archaea. The first steps in the …

Aug 28, 2024

Common Functional Groups in Wastewater Treatment

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 …

Aug 19, 2024

Impact of high temperatures on wastewater treatment

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 …

Aug 7, 2024

The good and bad sides of organic acids in 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, 2024

Measuring Microbial Activity in Wastewater

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 …

Jul 30, 2024

Nitrite lock or incomplete ammonia oxidation

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 …

Jul 2, 2024

Next-generation Wastewater Monitoring Technology Explained

Aster 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, 2024

Wastewater Testing with Aster Bio

Types 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, 2024

What does saying the biomass is “healthy” actually mean?

You 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, 2024

Exploring the Wastewater Microbiome

Moving 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, 2024

Wastewater Indicator Organisms – Microscopic Exam

This 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 …

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