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...
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...
Largest Rotating Biological Contactor Plant Also First to Remove Nitrogen
Orlando, Florida is now constructing a new advanced waste treatment plant that removes both nitrogen and phosphorus to a high level. The plant is notable because it is the largest rotating...
How to Remove Trihalomethanes from Drinking Water
During the past year, there's been much concern about trihalomethanes (THMs) in drinking water; for they are suspected carcinogens. These chemicals are formed in the drinking...
USGS Sharpening Water-Quality Management Tools
By 1983, the U.S. will have spent over $83 billion to upgrade treatment facilities to advanced waste treatment. Much of this furious effort will be in vain, won't produce...
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...
Will EPA Relax Its Mandatory Secondary Treatment Requirement�
In the Clean Water Act of 1977, Congress said that under some circumstances communities discharging to marine waters might not have to provide full secondary treatment. At the present...
Toxic Chemicals in New Jersey's Environment: Cancer Link�
New Jersey has one of the highest cancer rates in the United States. It is also second in manufacture of chemicals. How are toxic chemicals getting into the New Jersey environment�� its...
How New Jersey is Handling Its Hazardous Wastes
For many years, environmental agencies have paid little attention to how industry manages and disposes of its hazardous wastes. This has been especially true in New Jersey. As a result...
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 Research Needs
In June 1979 a National Science Foundation�ASCE workshop was convened to prepare a report suggesting top-priority research needs in civil engineering for the 1980s. The field was split...
Appropriate Technology in Water Supply and Waste Disposal
Proceedings of a session held at the ASCE National Convention in Chicago, Illinois, October 16-20, 1978. Sponsored by the Research Council on Environmental Impact Analysis of the ASCE...
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;...
Tradition and Innovation in Water Use and Reclamation
Of all the arts of food production, none is older or more important than irrigation. Historical and archaeological findings show that irrigation played a major role in the development...
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...
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