municipal wastewater Articles

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Sustainable Treatment and Reuse of Municipal Wastewater

by IWA Publishing  (Mar. 1, 2012)

The uncontrolled disposal to the environment of municipal, industrial and agricultural liquid, solid and gaseous wastes constitutes one of the most serious threats to the sustainability of the human race by contaminating water sources, land and air, and by its potential contribution to global warming. With increasing population and economic ...

Municipal Wastewater Treatment - Prichard, Alabama

by TenCate - Geotube  (Sep. 12, 2013)

TenCate  develops and produces materials that function to increase performance, reduce costs, and deliver measurable results by working with our customers to provide advanced solutions. THE CHALLENGE Prichard AL is a town of about 30.000 people north of Mobile. AL Paul David, the Sewer Board Superintendent, oversees the contract management ...

Case Study: Wastewater - Shanghai, China

by Grundfos Pumps Corporation  (Sep. 2, 2008)

Home to more than 12 million inhabitants, Shanghai is the largest city in China. With a documented history going back more than 2,150 years, the city is very old. Today it is a wondrous mixture of old and new – rickshaws and small, ornately gilded shops mingle with large cosmopolitan hotels and restaurants. Shanghai is also China’s most important ...

UV set to dominate the municipal industry

by atg UV Technology  (Feb. 1, 2010)

The use of Ultra Violet (UV) light has now become standard practice in most municipal waste water treatment processes. Effluent is now starting to be recognised as a valuable resource, not a problem that needs to be dumped.  Many waste water facilities are being renamed as water reclamation facilities, and whether the waste water is being ...

The natural way to clean wastewater

by BioCycle Magazine  (May 26, 2008)

John Todd founded Ocean Arks International in the 1980s, where he started to experiment with processes that mimic natural ways to purify wastewater. He built a greenhouse and ran sewage through a series of tanks, with plants suspended in the flowing waters, and constructed marshes made of sand and gravel. No chemicals were added, but plenty of ...

Removal of Particulate and Organic Matter from Municipal and Industrial Wastewaters Using Fine Mesh Rotating Belt Sieves

by Water Environment Federation (WEF)  (Oct. 21, 2006)

The Salsnes Technology has been developed to work as a stand alone unit or an addition to primary wastewater treatment facilities. The process incorporates an continuous mesh screen that uses air as backwash therefore producing a high dry solids content waste. The technology has been widely accepted in Europe and work is being done in North and ...

Analytical approach for predicting biogas generation in a municipal solid waste anaerobic digester

by University of Tehran  (May 22, 2008)

The increasing worldwide industrialization, urbanization and population explosion in major metropolitan cities have significantly affected the amount of wastes generated from municipal solid wastes (MSW). Beukering et al., (1999) accounted for industrialization as an important factor that increases waste generation. Anand (1999) focused on ...

Synthetic organic polymer fouling in municipal wastewater reuse reverse osmosis

by IWA Publishing  (Sep. 5, 2014)

A full scale waste water reuse plant suffered from irreversible fouling of the reverse osmosis (RO) membranes. The major suspect of fouling is cationic organic polymers applied in the wastewater sludge treatment. Thus, the purpose of this research is to study the effect of six cationic polymers, applied in the plant, on RO membrane performance. ...

Modeling anaerobic digestion of municipal wastewater sludges: an elemental approach

by Water Environment Federation (WEF)  (Oct. 13, 2007)

An experimental study that examined the elemental composition of waste activated sludge as it progressed through mesophilic and thermophilic anaerobic digestion was completed. It was found that the oxygen mass fraction of the VSS increased while the carbon content decreased as digestion progressed. Small differences were observed in the responses ...

Rethinking Big Water - Is It Time For A New Approach To Municipal Water Infrastructure?

by Ceres  (Oct. 21, 2013)

Las Vegas has long served as a stereotype of human excess: gambling, drinking, sex, all-you-can-eat buffets. But the latest chapter is playing out away from the Strip, in the part of the valley where two decades of booming development have swelled the population to 2 million residents who rely on a dwindling water supply. Ninety percent of the ...

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