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

The organic strength of wastewater can be measured in three ways: 1) as 5-day Biochemical Oxygen Demand (BOD5), 2) Chemical Oxygen Demand...

Bits and Pieces of Information When I come across information related to water and wastewater topics, information that I'm not yet...

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

With links to (valuable and informative!?!) portable document format (PDF) files scattered all over this website I thought it might be...

In former days, when I did a lot of polymer-focused jar testing, I had three products in my polymer test kit that I never fully...

Composition of a Bacterial Cell There are two formulas used to describe a bacterial cell. Both are discussed below. The most widely used...

Benchtop Belt Filter Press As I've discussed elsewhere in this blog, I have two key pieces of laboratory/field equipment that I use to...

The Water We Use When I travel I seldom give much thought to the water I drink, cook with, and bathe in. But there are occasions when...

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