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...

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

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

May 15, 20225 min read

This post provides tips and insights I've come across focused on chemistry topics for wastewater treatment operators. A search on Google...

May 1, 202210 min read

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

Mar 8, 20178 min read

Level 3: Treatability OUR Testing This level of oxygen uptake rate (OUR) testing is used to evaluate the impact of different chemical...