The Math You Need, When You Need It Temperature Conversion To convert from degrees F to degrees C or vice versa you can use the following...

A lot of my work is with high-strength industrial wastewater. Issues that arise with any given industrial waste stream may consist of,...

Detailed Review of Bioaugmentation Bioaugmentation is the addition of a specially prepared bacterial culture to a bioreactor (aeration...

With links to (valuable and informative!?!) portable document format (PDF) files scattered all over this website I thought it might be...

In a recent post I focused on the importance and value of total kjeldahl nitrogen (TKN) testing. That post addressed the need to run the...

After all the many years I've been working in water and wastewater treatment it's really just this past year that I have come to better...

In former days, when I did a lot of polymer-focused jar testing, I had three products in my polymer test kit that I never fully...

Four graphics of the nitrogen cycle are shown in this short, simple post. The first graphic below is one of the most common and you will...

Testing Equipment for Water, Reverse Osmosis, and Wastewater There are several "sets" of laboratory equipment that are critical for...

Composition of a Bacterial Cell There are two formulas used to describe a bacterial cell. Both are discussed below. The most widely used...

Level 3: Treatability OUR Testing This level of oxygen uptake rate (OUR) testing is used to evaluate the impact of different chemical...

Level 2: Time to Endogenous Respiration Many activated sludge systems do not achieve endogenous respiration by the time the mixed liquor...