Wastewater Treatment

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Dec 28 2000
Cryptosporidium is a parasitic microorganism found in the environment (mainly in surface waters) as a robust oocyst. Cryptosporidial oocysts are…
Dec 28 2000
When the Nashville, Tenn., Metropolitan Government needed a cost-effective solution to remove floatables from their the combined sewer overflow (CSO…
Dec 28 2000
A three-year test of ozone and direct filtration so convinced the Altoona City Authority (ACA) of its merits that the central Pennsylvania water…
Dec 28 2000
Granular activated carbon (GAC) has been used in the water and wastewater industries to reduce taste, odors and dissolved organic compounds. GAC…
Dec 28 2000
The City of Lenoir, North Carolina, has recently completed an expansion of its Gunpowder Creek Water Reclamation Facility (WRF), that included the…
Dec 28 2000
There is a variety of standard technologies available to treat and dispose domestic wastewater. These include connections to a local publicly-owned…
Dec 28 2000
Many industries utilize media-bed filtration. This use may take the form of ion exchange for water softening/demineralization, sand filtration,…
Dec 28 2000
Containment and processing of odors, as well as emissions of VOCs (volatile organic compounds) and HAPs (hazardous air pollutants), whether…
Dec 28 2000
In what was at one time considered to be one of the most polluted regions in the World, something miraculous has occurred; a viable ecology has been…
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
The biologically enhanced active carbon process is an option for many water utilities. Granular activated carbon (GAC) has been used extensively for…
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…
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