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Water Sustainability Blog

News on the world's most precious resource, including the latest in research, trends, and treatment advances

What Is Dissolved Air Flotation?

What Is Dissolved Air Flotation?

In dissolved air flotation (DAF), fine bubbles attach themselves to suspended matter in a liquid, floating them to the surface for removal Dissolved air flotation (DAF) is a water treatment technology often used for the pretreatment of source water, but what exactly does it entail and how does it...

Where Is the Most Water Reuse Taking Place?

Where Is the Most Water Reuse Taking Place?

Water reuse is becoming increasingly important as water scarcity becomes prevalent throughout the world. Whether it's referred to as water reuse, water recycling, water reclamation, or another name, the resulting purified wastewater can be used in many applications, both potable and nonpotable. In...

Aerobic Wastewater Treatment Options

Aerobic Wastewater Treatment Options

Activated sludge treatment is a time-tested wastewater treatment that uses bacteria and other microorganisms to break down organic pollutants.

What Is Water Scarcity?

What Is Water Scarcity?

Whether it's from drought or lack of access, more than a billion people around the world don't have enough clean water Acute drought conditions and dwindling natural water resources are focusing more attention on what continues to be a worldwide problem: a lack of access to fresh, potable water....

What Is Energy Recovery?

What Is Energy Recovery?

Processes like incineration and anaerobic digestion not only provide sources of energy, but they also reduce waste volume The term "energy recovery" often is applied only to a narrow number of methods for converting wastes into energy, when in fact it applies to a broad range of technologies used...

Solutions for Removing Arsenic from Drinking Water

Solutions for Removing Arsenic from Drinking Water

Arsenic, a metalloid element, is found in many naturally occurring compounds. In its inorganic form, arsenic is toxic. Arsenic occurs naturally in some groundwater supplies worldwide, including in the drinking water supplies in parts of Taiwan, Japan, Bangladesh, and western South America. This is...

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