

All Nitrogen Graphics in One Place
I have several blog posts on the topic of nitrogen which has resulted in having these graphics scattered almost randomly across this...
Sep 71 min read


Oxidation Ditch
Oxidation ditches are most often used to treat municipal wastewater, but I do come across this activated sludge configuration in the...
Aug 305 min read


Rules of Thumb—Aeration
I have random information about aeration scattered across my wastewater blog pages but I've been getting questions from people who need...
Aug 271 min read


ModelRisk
Estimating Oxygen Demand in a Bioreactor Using Monte Carlo Simulations from ModelRisk Introduction In this post I am going to focus on a...
Jul 68 min read


Lab Test Interferences
I tend to go back and forth in my view of just how different industrial wastewater treatment is from municipal treatment. I used to be...
Dec 28, 20234 min read


Struvite Scale and Its Chemistry
Review of struvite formation in anaerobic digesters and sludge dewatering equipment.
Oct 6, 202322 min read


Rules of Thumb—Chemistry
This post provides tips and insights I've come across focused on chemistry topics for wastewater treatment operators. A search on Google...
May 14, 20226 min read


Nitrogen Testing and Alkalinity Control
In this post I focus on aspects of laboratory testing and plant operation that relate to nitrification, a topic I am endlessly fascinated...
Apr 30, 202211 min read


Various Unit Conversions
This post is starting off very, very small. I'll add to it periodically. What I really have in mind here is an easy place I can go to...
Sep 26, 20212 min read


Chemical Oxygen Demand Testing
For me, always traveling, always working at different wastewater treatment plants, having to ship, literally, hundreds of pounds of lab...
Apr 12, 20214 min read


Turbidity
Turbidity is defined as the degree to which light is scattered by particles suspended in a liquid. The measured turbidity depends on the...
Apr 12, 20214 min read


Cell Generation Time
Bacteria are amazingly complex, even though each is comprised of only a single cell. Bacteria make up about 95 percent of all the...
Apr 3, 20215 min read






