Happy Halloween!

It's a scary time of the year! You should be afraid, very afraid. So stay safe my friend and look for what's behind you. Do your best to...

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...

Influent Wastewater Characteristics

This post will provide data/tables to give you a starting point when it comes to evaluating influent wastewater characteristics in the...

Best Books

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

Wastewater Clarifier Performance

Primary and Secondary Clarifiers This page provides information on the expected performance of primary and secondary clarifiers. Removal...

API Separator

Oil-Water Separation Though municipal wastewater treatment plants have to deal with their share of oil and grease (O&G), this post on...

Crown Press In Use

Details on how to use a lab-scale dewatering filter press.

Crown Press Overview

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...

Sludge Dewatering

Three Sludge Dewatering Units The data presented on this page comes primarily from two sources as follows: 1. An excellent textbook...

Water Hardness

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 & Alkalinity

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

Life In the Field

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

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