Wastewater Treatment

Wastewater treatment serves one of the critical functions of modern society. Networks of sewers convey wastewater to pump stations and eventually a wastewater treatment plant — also called a water resource recovery facility. The water then passes through a headworks systems to remove large debris and grit before entering a settling tank. The water then passes through primary, secondary and tertiarty treatment steps, which vary plant-by-plant. Activated sludge is among the most common treatment processes used. Read more about wastewater treatment in the articles below.

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Dec 28 2000
Louisville Water has increased its minimum coagulant dosage by using liquid borne-particle counters to measure water quality at particle levels,…
Dec 28 2000
Cost-effectiveness and efficiency are important factors in selecting a treatment process that will comply with both current and anticipated water…
Dec 28 2000
As the discharge requirements for treated secondary effluent become more restrictive, effluent filtration is becoming a more integral part of…
Dec 28 2000
Although it is considered "conventional" in many parts of the world, membrane technology is beginning to get serious attention by U.S. water…
Dec 28 2000
Membrane system technology has been developed to a point where one or more of its forms can be applied to extract most of the contaminants of concern…
Dec 28 2000
By replacing microscreen filters with high-rate gravity filters as part of an $11 million modernization program, the Philadelphia Suburban Water…
Dec 28 2000
The South Monmouth Regional Sewerage Authority's 9-mgd wastewater plant had been identified as a source of odors that bothered neighbors from time to…
Dec 28 2000
The summer floods of 1993 in the Midwest were driven by repeated rains which deluged the region from Minnesota to Missouri. The flood crest on the…
Dec 28 2000
Mention the name of this place and people will conjure up a variety of impressions. There's Niagara Falls the honeymoon capital of North America-or…
Dec 28 2000
What is Biological Activated Carbon? The biologically enhanced active carbon process is an option for many water utilities. Granular activated carbon…
Dec 28 2000
It sits there, looking out over a picturesque scene of water and tree-covered promontories, another excellent example of an old plant upgraded and…
Dec 28 2000
A metal plating business in Massachusetts has installed a pollution control system that treats the company's wastewater to the point that it is…
Dec 28 2000
When a town meeting in New Castle, New York, prompted local government officials to take citizen complaints about water quality seriously, they…
Dec 28 2000
The recovery of valuable materials or separation of hazardous materials from wastewate flows can sometimes be accomplished with evaporation…
Dec 28 2000
My latest field trip to gather information for our System Profile series took me to the rolling country of southern Illinois, 330 miles south of…
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