What is... Articles

Water & Wastes Digest is dedicated to the continuing growth and education of the water and wastewater industry. While its print content revolves primarily around technical pieces, new technology and informative applications, this channel of content will serve as a resource to better understand industry terms and concepts. Each article in the What Is series focuses on a singular term to best arm audience members with the knowledge necessary to understand the deeper technical articles and videos we produce. 

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Apr 12 2021
Definition of Advanced Wastewater Treatment The American Institute of Chemical Engineers defines advanced wastewater treatment as “any process that…
Mar 24 2021
Organic fouling of an anion-exchange resin occurs (AERs) through the adsorption of the organics on its surface, which block the diffusion of mobile…
Mar 2 2021
What is so special about smart water?  Smart water refers to a movement in the water industry involving emerging technology that includes hardware,…
Feb 10 2021
Activated Sludge Activated sludge refers to a flocculent culture of organisms developed in aeration tanks under controlled conditions, according to…
Dec 16 2020
What is Effluent?  Effluent is sewage that has been treated in a septic tank or sewage treatment plant. It is also referred to as “trade effluent” or…
Oct 26 2020
Supervisory control and data acquisition (SCADA) is a computer system for gathering and analyzing real time data, according to Webopedia. SCADA…
Sep 9 2020
What is Aeration? Aeration is the process by which air is circulated through, mixed with or dissolved in a liquid or substance.  Aeration brings…
Jul 8 2020
What is Reverse Osmosis (RO)? Reverse Osmosis (RO) is a type of filtration that uses a semi-permeable, thin membrane with pores small enough for pure…
Apr 10 2020
What is Biological Oxygen Demand?  Biochemical oxygen demand is the amount of oxygen consumed by bacteria and other microorganisms while they…
what is wastewater treatment
Credits to: Jason R. Gangstad
Mar 6 2020
Wastewater treatment is the process of converting wastewater into water that can be discharged back into the environment.  According to the U.S. EPA…
Feb 13 2020
What is water filtering? Water purification takes place on small and large scales, and water filtering can provide clean and potable water for…
Jan 9 2020
What is wastewater?  Wastewater is used water that has been affected by domestic, industrial and commercial use. The composition of all wastewaters…
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