The organic strength of wastewater is 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...

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

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,...

The Math You Need, When You Need It Temperature Conversion To convert from degrees F to degrees C or vice versa you can use the following...

A lot of my work is with high-strength industrial wastewater. Issues that arise with any given industrial waste stream may consist of,...

Detailed Review of Bioaugmentation Bioaugmentation is the addition of a specially prepared bacterial culture to a bioreactor (aeration...

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