Oxidation Ditch
Oxidation ditches are most often used to treat municipal wastewater, but I do come across this activated sludge configuration in the...
Aug 305 min read
ModelRisk
Estimating Oxygen Demand in a Bioreactor Using Monte Carlo Simulations from ModelRisk Introduction In this post I am going to focus on a...
Jul 68 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...
Dec 28, 20234 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 30, 202211 min read
Chemical Oxygen Demand Testing
For me, always traveling, always working at different wastewater treatment plants, having to ship, literally, hundreds of pounds of lab...
Apr 12, 20214 min read
GPS-X
Increase DO in a Bioreactor with Hydrogen Peroxide Hydrogen peroxide can be used to increase the dissolved oxygen (DO) concentration in...
May 25, 20207 min read
BOD, COD, and TOC
The organic strength of wastewater can be measured in three ways: 1) as 5-day Biochemical Oxygen Demand (BOD5), 2) Chemical Oxygen Demand...
May 10, 20205 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...
May 10, 20208 min read
Estimating Organic Content
The following is quoted from W. Wesley Eckenfelder, Jr. in his excellent textbook “Industrial Water Pollution Control”, Third Edition,...
Feb 11, 20191 min read
Testing Equipment
Testing Equipment for Water, Reverse Osmosis, and Wastewater There are several "sets" of laboratory equipment that are critical for...
May 1, 20176 min read
