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...

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, 202210 min read

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, 20214 min read

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

May 25, 20207 min read

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

May 10, 20207 min read

Wastewater Temperature in the Bioreactor Operators know that when the temperature of the wastewater entering the bioreactor is too high,...

Sep 26, 20169 min read

Activated Sludge Design Parameters This is a handy chart from the well-known Metcalf & Eddy handbook (Metcalf & Eddy. Wastewater...

Sep 5, 20161 min read