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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...

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...

Harrisburg Pioneering Codisposal of Refuse and Sludge
Harrisburg, Pa. is doing something that sounds like common sense yet which has been done by very few communities in the U.S.: disposing of both its municipal refuse and sewage sludge in...

Slow Trend for Asphalt with H₂O
Cutback asphalt, made fluid by heating and by adding petroleum solvents, is becoming less popular because of the energy crisis and air pollution control standards. Replacing cutbacks are...

A Cheap Solution to Pollution from Combined-Sewer Overflows
Every time it rains, the surface waters of many of the older communities around the U.S. are polluted by a mixture of sanitary waste and stormwater. The problem: when the community sewers...

Transportation Planners Join Battle for Cleaner Air
Under the terms of the '77 Clean Air Act Amendments, transportation planners must find ways to reduce air pollution from mobile sources. Actions must begin in 1980. The article,...

Reducing Sewer Infiltration/Inflow
Under the terms of the EPA Water Pollution Control Legislation, cities must eliminate excess infiltration/inflow to be eligible for 75% EPA sewerage construction grants. To determine the...

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...

European Water Treatment Practices�� The Promise of Biological Activated Carbon
Bacterial growths occur in all granulated activated carbon columns. In fact, it is difficult to prevent such growths. The Germans now deliberately foster aerobic bacterial growth by providing...

EPA Proposes Far-Reaching Regulations for Reducing Synthetic Organics in Drinking Water
In late January, 1978, EPA proposed far-reaching regulations for reducing synthetic organic chemicals in drinking water, bringing about the most sweeping changes in the water-treatment...

Design of Excavation Blasts to Prevent Damage
Effects of ground vibrations on nearby structures and people resulting from blasting operations have become a major environmental problem and concern to the engineer and the contractor...

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...

Sludge Pyrolysis: How Big a Future�
Pyrolysis is the destructive distillation of combustible elements by heat in the total absence of oxygen. Partial pyrolysis or starved air combustion is the gasification of a material...

Mill Expansion Increases Production by 50% and Drops Water Use by 90%
Armco's Kansas City steel works expansion is nominated for 1978 Outstanding Civil Engineering Achievement Award. Extensive provisions for air and water pollution control is...

Water Industry Fighting EPA's Drinking Water Regulations
With few exceptions, most of the nation's drinking-water utilities are strongly opposed to many provisions of EPA's proposed regulations for reducing the levels...

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...

Treating Waste Streams: New Challenge to the Water-Treatment Industry
Increasingly, state and federal water pollution control agencies have been becoming more strict about pollution from drinking water treatment plants. Specifically, most water treatment...

EPA Launches Program to Control Hazardous Wastes
In January 1979, the federal Environmental Protection Agency will issue its long awaited guidelines on the control of hazardous wastes. These guidelines will propose a so-called manifest...

Can the U.S. Cope with Skyrocketing Coal Production�
Coal must become the nation's chief tool for increasing energy self-reliance. Coal is abundant. The technology to use it is available today. There is an existing production...

A Critical Appraisal of Some Proposed Changes to the 1972 Water Pollution Control Act
The amendments that will ultimately be made to the 1972 Water Pollution Control Act (PL 92-500), now being discussed by Congress, will be influenced by a number of things happening in...

 

 

 

 

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