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Municipal Wastewater Treatment Plant Pioneers in Conservation Approach
One way to save fuel costs in sewage treatment plants is to use methane gas produced during sludge digestion as fuel. Cleveland's Southerly Wastewater Treatment Plant, however,...

Mount St. Helens Eruption�Impact and Civil Engineering Response
The May 18 eruption of Mount St. Helens in Washington state, estimated to have the energy equivalent of a 20 to 50 megaton atom bomb, did tremendous damage. It destroyed an estimated 160...

Groundwater and Non-Point Pollution: Key Water Quality Issues of the 1980's
Problems of the '80s will include: (1)A major effort to bring municipalities into compliance with clean water laws. So far only 40% of the municipalities are in compliance;...

Municipal Sewage: Three Communities Try to Cope
To meet federal clean water guidelines, New Hampshire's Winnipesaukee River Basin, the City of San Francisco, and the City of Milwaukee have to upgrade their treatment to...

Efficiences of Advanced Waste Treatment Obtained with Upgraded Trickling Filters
Many or most cities and towns, and particularly the smaller ones, still use trickling filters in their wastewater treatment plants. The process is economical and reliable, but unfortunately...

First U.S. Carrousel Racetrack Sewage Plant: simple, economical, excellent removeal.
Campbellsville, Kentucky will be the first community in the U.S. to use a promising new sewage treatment process�� the so-called Carrousel process. The process uses turbine aerators both...

Honolulu Sewage Plant Pioneers Advanced Primary Treatment, Has Deepest Ocean Outfall
Honolulu recently started up a new sewage treatment plant that brings a new twist to decades-old sewage-treatment technology: advanced primary treatment. Key to this primary treatment...

EPA Goes to BAT Against Toxic Industrial Wastewater
Industrial wastewater discharged into municipal sanitary sewers can pass untreated through the treatment plant and into the receiving water. Some industrial wastes can also harm biological...

Environmental Problems and Products
Solving environment-related problems with certain products in case history format. Includes: Rebuilding a pelican's nest in Colorado, erosion control. Converting a garbage...

Environmental Engineering
The topics covered are: Wastewater reclamation in the western United States; Appropriate technology for the disposal of wastewater in rural areas; Management and reclamation of solid wastes;...

Water Problems of Urbanizing Areas
Proceedings of the Research Conference on Water Problems of Urbanizing Areas, held in New England College, Henniker, New Hampshire, July 16-21, 1978. Sponsored by the Universities Council...

Simplified Water Treatment Plant Design
The building of succeeding generations of sophisticated water and waste water plants, usually containing complex and energy intensive equipment, has been one of the marks of technically...

Cost-Effective Use of Municipal Wastewater Treatment Ponds
Treatment ponds are a cost-effective alternative for municipal wastewater treatment. When compared to other secondary treatment alternatives, ponds are generally the least costly, require...

Systems of Waste Water Management in Europe
The history of European waste water management is briefly reviewed. Legal aspects of waste water management are presented by examples from Germany and Switzerland. International agreements...

Measuring the Effects of Man's Wastes on the Ocean
Understanding the ecological effects of municipal wastewater discharged into the ocean depends on data developed by reliable measurements. Municipal wastes are largely residential sewage...

The Place of Land Treatment of Wastewater in Today's Society
Land treatment of sewage can be a viable alternative to secondary and/or tertiary in-plant treatment. Depending on local conditions, overland-flow, low-rate, or high-rate systems, or a...

The Story Behind the New Clean Water Act of 1977
The Clean Water Act of 1977 keeps intact the basic principles of the strong Water Pollution Control Act (PL 92-500) of 1972. Because of the shear magnitude of upgrading the nation's...

Land Treatment: An Alternative Technology for Wastewater Management
The 1977 Clean Water Act provides some strong incentives for increasing the use of less costly, less energy intensive technology for municipal wastewater treatment facilities. Specifically,...

Chicago Sanitary District Pioneers in Controlling Flooding, Water Pollution
Chicago's Metropolitan Sanitary District is a national leader in at least four areas: (1)Controlling overflows of combined sewers. Chicago's answer to this problem...

Weather Modification Could Solve Some Water Resource Problems
On July 12, 1978 the Weather Modification Advisory Board submitted its final report to the Secretary of Commerce. The report proposes a national program for weather resources management,...

 

 

 

 

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