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...

Influent Wastewater Characteristics

This post will provide data/tables to give you a starting point when it comes to evaluating influent wastewater characteristics in the...

Increase DO in a Bioreactor with Hydrogen Peroxide & GPS-X Simulation

Introduction Hydrogen peroxide can be used to increase the dissolved oxygen (DO) concentration in an aerobic bioreactor, often referred...

Best Books

I get asked every now and then about books I think are best for learning more about wastewater treatment. There are many, many excellent...

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...

Struvite Scale and Its Chemistry

Review of struvite formation in anaerobic digesters and sludge dewatering equipment.

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...

Nitrogen Testing

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

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...

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...

TheWastewaterBlog

Search By Categories