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...

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

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

Turbidity is defined as the degree to which light is scattered by particles suspended in a liquid. The measured turbidity depends on the...

Apr 12, 20214 min read

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

The following is quoted from W. Wesley Eckenfelder, Jr. in his excellent textbook “Industrial Water Pollution Control”, Third Edition,...

Feb 11, 20191 min read

In a recent post I focused on the importance and value of total kjeldahl nitrogen (TKN) testing. That post addressed the need to run the...

Nov 5, 20175 min read