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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Oct 15 2021
Coagulation is one of the common methods used by water treatment plants to provide safe, clean drinking water to public water customers.This method…
Oct 8 2021
What is solids handling? The processes used to stabilize sludge and reduce its volume are known as solids handling.  The process occurs when a…
Sep 15 2021
What is Water Distillation? Water distillation is a process in which water is boiled until it evaporates and condenses, leaving behind impurities…
Sep 1 2021
What is Advanced Metering Infrastructure? Advanced Metering Infrastructure (AMI) is an integrated system of equipment, communications, and…
Aug 18 2021
Editor's Note: A previous version of this article used alkaline water and basic water interchangeably. While all alkaline solutions are basic, not…
Aug 2 2021
One Water is the emphasis that all water has value, encouraging those in the water industry to work together to solve water challenges, whether these…
Jul 12 2021
One of the simplest ways to determine your water quality is to measure its TDS. Total dissolved solids, or TDS for short, are dissolved ions,…
Jul 6 2021
Zero liquid discharge (ZLD) is a treatment process that converts wastewater to recycled water and solids, leaving zero discharge at the end of the…
Jun 16 2021
Sodium hypochlorite (SH) is a household chemical that has been widely used since the 18th century. It’s a chlorine compound and has several…
Jun 1 2021
What is granular activated carbon used for?  Granular activated carbon (GAC) generally is an organic carbon filtration media — wood, coconut shells,…
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May 25 2021
Granular activated carbon is a filtration media made from organic materials that can be used to remove contaminants from water and wastewater. In…
May 14 2021
What is Turbidity? If you’re researching the common drinking water contaminants, you may have heard of turbidity. Turbidity isn’t actually a…
May 3 2021
Filtration is one of the core stages of water and wastewater treatment every industry professional should know about and understand. So what exactly…
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Image Credit: Stock.Adobe.com/Antonio Rodriguez
Apr 16 2021
Those looking to better understand tap water quality and chemistry, may yet be unfamiliar with total suspended solids (TSS). However, TSS is a common…
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
What is SCADA Used For? Supervisory control and data acquisition (SCADA) is a computer system for gathering and analyzing real time data, according…
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