Oxygen transfer rate in Wastewater treatment – calculation example
Before we can calculate the oxygen transfer rate, we have to determine our oxygen demand. Depending on the wastewater treatment target different factors must be considered to calculate the actual oxygen requirement (AOR). Design flows and loads: Water influents are not consistent and vary between daily minimum, average and peak flows. Design guidelines recommend dividing […]
How to get rid of pond algae bloom – Understanding reasons for algae blooms
A pond can be a beautiful and ornamental addition to a garden or home, but it might lose some of its charm if the water is green and murky with algae. Especially in warmer climates algae bloom occurs more and more often in the last years. Therefore, it is important to understand what is causing […]