ModelRisk

Estimating Oxygen Demand in a Bioreactor Using Monte Carlo Simulations from ModelRisk Introduction In this post I am going to focus on a...

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...

Increase DO in a Bioreactor with Hydrogen Peroxide Hydrogen peroxide can be used to increase the dissolved oxygen (DO) concentration in...

I get asked every now and then about books I think are best for learning more about wastewater treatment. There are many, many excellent...

State Point Analysis With just six data inputs, state point analysis (SPA) would seem to provide a simple mathematical model for...

Mar 7, 20174 min read

Introduction Before going into a detailed discussion of the F:M (food-to-mass or food-to-microorganism) ratio I want to let you know...

Dec 19, 20166 min read

Oxidation Reduction Potential (ORP) Measuring the oxidation reduction potential (ORP) is such an easy, insightful test to perform, it’s a...

Dec 18, 20163 min read

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

Refinery Wet Gas Scrubber This may seem a little odd, perhaps, but there is one unit process in particular that I really enjoy...

Dec 18, 20167 min read

Adenosine Triphosphate (ATP)—An Introduction I’ve stated previously (OUR Level 1 Testing page) that whenever I evaluate a biological...

Dec 18, 20164 min read