I have several blog posts on the topic of nitrogen which has resulted in having these graphics scattered almost randomly across this...

In this post I focus on aspects of laboratory testing and plant operation that relate to nitrification, a topic I am endlessly fascinated...

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...

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...