

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 7, 202322 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...
May 1, 202211 min read


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 6, 20175 min read


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...
Nov 3, 20176 min read


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 2, 20172 min read