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...
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...
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...
May 10, 20207 min read
Rules of Thumb—Wastewater Treatment
Some Simple Guides This post provides tips and insights I've come across focused on wastewater treatment topics. A search on Google for...
Sep 26, 20169 min read
Wastewater Temperature
Wastewater Temperature in the Bioreactor Operators know that when the temperature of the wastewater entering the bioreactor is too high,...
Sep 5, 20161 min read
Activated Sludge Table
Activated Sludge Design Parameters This is a handy chart from the well-known Metcalf & Eddy handbook (Metcalf & Eddy. Wastewater...