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...
Sep 10, 20198 min read
Estimating RAS TSS
Introduction In this post I'm going to discuss how you can estimate the solids concentration in the return activated sludge (RAS) using...
Jan 2, 201910 min read
Bioaugmentation
Detailed Review of Bioaugmentation Bioaugmentation is the addition of a specially prepared bacterial culture to a bioreactor (aeration...
May 2, 20172 min read
The Nitrogen Cycle
Three graphics of the nitrogen cycle are shown in this short, simple post. The first graphic below is one of the most common and you will...