Dec 28, 20234 min read
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, 202321 min read
Struvite Scale and Its Chemistry
Review of struvite formation in anaerobic digesters and sludge dewatering equipment.
May 15, 20225 min read
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, 202210 min read
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, 20212 min read
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, 20214 min read
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, 20214 min read
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, 20214 min read
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, 20202 min read
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, 20202 min read
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, 20204 min read
Wastewater Solids
It can be helpful to quickly estimate solids production in wastewater. Certainly, each wastewater treatment plant and its collection...
May 25, 20207 min read
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...
