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...

pH and Alkalinity Relationships The following two graphics are intended to provide a handy reference describing pH and alkalinity...

Oct 8, 20161 min read

Some Frustrations! I travel from one water or wastewater treatment plant to another, week after week, happily (usually) doing my job. And...

Oct 1, 20163 min read

Informative EPA Fact Sheets The United States Environmental Protection Agency (EPA) does an excellent job of assembling and posting...

Sep 29, 20161 min read

Wastewater Standards These well-known and reliable wastewater standards have changed slowly over the years, getting updates as needed to...

Sep 29, 20161 min read

Adenosine Triphosphate (ATP) Testing ATP testing is an advanced analysis for thoroughly evaluating a biological treatment system. Because...

Sep 27, 20162 min read

Wastewater Temperature in the Bioreactor Operators know that when the temperature of the wastewater entering the bioreactor is too high,...

Sep 25, 20169 min read