

Rules of Thumb—Aeration
I have random information about aeration scattered across my wastewater blog pages but I've been getting questions from people who need...
Aug 271 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


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 14, 20226 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


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


OUR Level 3 Testing
Level 3: Treatability OUR Testing This level of oxygen uptake rate (OUR) testing is used to evaluate the impact of different chemical...
Mar 7, 20178 min read


OUR Level 2 Testing
Level 2: Time to Endogenous Respiration Many activated sludge systems do not achieve endogenous respiration by the time the mixed liquor...
Mar 7, 20174 min read


OUR Level 1 Testing
Level 1: Oxygen Uptake Rate—An Introduction Whenever I evaluate a biological treatment system there are two sets of tests I always run:...
Dec 18, 20165 min read






