- Jan 2, 2019
- 10 min
Bioaugmentation
Detailed Review of Bioaugmentation Bioaugmentation is the addition of a specially prepared bacterial culture to a bioreactor (aeration...
- Nov 18, 2017
- 4 min
Document Downloads
With links to (valuable and informative!?!) portable document format (PDF) files scattered all over this website I thought it might be...
- Nov 6, 2017
- 5 min
Nitrogen Testing
Introduction In a recent post I focused on the importance and value of total kjeldahl nitrogen (TKN) testing. That post addressed the...
- Nov 3, 2017
- 6 min
Total Kjeldahl Nitrogen
Introduction After all the many years I've been working in water and wastewater treatment it's really just this past year that I have...
- Jul 10, 2017
- 2 min
Basicity of Polyaluminum Chloride
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...
- May 2, 2017
- 2 min
The Nitrogen Cycle
Three 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...
- May 1, 2017
- 6 min
Testing Equipment
Testing Equipment for Water, Reverse Osmosis, and Wastewater There are several "sets" of laboratory equipment that are critical for...
- May 1, 2017
- 1 min
Bacterial Cell Composition
Composition of a Bacterial Cell There are two formulas used to describe a bacterial cell. Both are discussed below. The most widely used...
- Mar 8, 2017
- 8 min
OUR Level 3 Testing
Level 3: Treatability OUR Testing This level of oxygen uptake rate (OUR) testing is used to evaluate the impact of different chemical...
- Mar 8, 2017
- 4 min
OUR Level 2 Testing
Level 2: Time to Endogenous Respiration Many activated sludge systems do not achieve endogenous respiration by the time the mixed liquor...
