The Unit of "8.34 pounds per gallon" Explained In the United States a common unit of measurement for water is that it weighs 8.34 pounds...

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

It can be helpful to quickly estimate solids production in wastewater. Certainly, each wastewater treatment plant and its collection...

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...

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

Introduction Many wastewater plants suffer capacity loss due to inflow and infiltration. For the majority of municipal treatment plants...

GSA, MCRT, SRT, and Sludge Age Defined I think there is confusion, sometimes, in how operators (which includes me) define the terms mean...

In this post I'm going to discuss how you can estimate the solids concentration in the return activated sludge (RAS) using the treatment...

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...

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