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...

Rules of Thumb—Wastewater Treatment

Some Simple Guides This post provides tips and insights I've come across focused on wastewater treatment topics. A search on Google for...

Wet Gas Scrubber

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

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...

Sludge Dewatering

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

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