- Dec 28, 2023
- 4 min
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...
- Oct 7, 2023
- 21 min
Struvite Scale and Its Chemistry
Review of struvite formation in anaerobic digesters and sludge dewatering equipment.
- May 15, 2022
- 5 min
Rules of Thumb—Chemistry
This post provides tips and insights I've come across focused on chemistry topics for wastewater treatment operators. A search on Google...
- May 1, 2022
- 10 min
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...
- Sep 26, 2021
- 2 min
Various Unit Conversions
This post is starting off very, very small. I'll add to it periodically. What I really have in mind here is an easy place I can go to...
- Apr 12, 2021
- 4 min
Chemical Oxygen Demand Testing
For me, always traveling, always working at different sites, having to ship lab equipment and set up under less than ideal conditions, I...
- Apr 12, 2021
- 4 min
Turbidity
Turbidity is defined as the degree to which light is scattered by particles suspended in a liquid. The measured turbidity depends on the...
- Apr 3, 2021
- 4 min
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...
- Nov 22, 2020
- 2 min
The Weight of Water
The Unit of "8.34 pounds per gallon" Explained In the United States a common unit of measurement for water is that it weighs 8.34 pounds...
- Nov 20, 2020
- 2 min
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...
- Jul 16, 2020
- 4 min
Wastewater Solids
It can be helpful to quickly estimate solids production in wastewater. Certainly, each wastewater treatment plant and its collection...
- May 25, 2020
- 7 min
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...
