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6 Tips for Microscopic Evaluation of your Activated Sludge System
EBS believes that monitoring the microbiology (biomass) of your activated sludge system or aerated stabilization basin (ASB) is just as critical as any other test such as pH, nutrients, total suspended solids (TSS), or chemical oxygen demand (COD). Often, the bacteria…
Running the Biochemical Oxygen Demand (BOD) Test
The biochemical oxygen demand (BOD) test is a measurement of the quantity of oxygen required by bacteria to biologically oxidize organic material under aerobic conditions. The BOD test result is expressed in mg/L but can be calculated as lbs/day to express loading to…
Keys to Success Before, During, and After an Outage
Scheduled vs Unplanned OutagesThere are two types of outages, scheduled and unplanned. Scheduled outages are annual affairs at roughly the same time each year and are used to conduct maintenance or other work that cannot be performed while the plant is in full…
Respirometry, a Valuable Tool
EBS often uses respirometry as a valuable tool when evaluating client wastewater treatment systems and programs. Respirometers are versatile instruments that allow us to assess the treatability of a wastewater sample by measuring the respiration rate of aerobic or…
High Temperature Impact On Wastewater Treatment Systems
How hot is too hot? You’re not the only living thing that thinks the heat is overbearing. If you’re responsible for a biological wastewater treatment system, you may want to take an extra temperature reading or two during the warm season. Temperature is a critical…
Using Calcium Nitrate To Enhance BOD Removal
A common problem in aerated stabilization basins (ASBs) is oxygen deficiency. This can arise for a variety of reasons, such as a power outage, aerators being offline for maintenance, oxygen scavenging by sulfur-containing chemical compounds, or upstream production…
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