The Deep-Shaft Process: Bright Future for Treating High-Strength Wastewaters
A Deep-Shaft wastewater treatment process may reduce by 10 to 30 percent the power requirements and land area needed for a plant. The technique is most attractive for treating high-BOD...
Ugly Dump Site Transformed into Recreation Mega-Facility
The civil engineering project selected as the Outstanding Civil Engineering Achievement of 1981 is described. While other communities bemoan the use and loss of land to refuse disposal,...
East Bay Waste Management: From Landfill to Park
A balancing act between public interests, government regulations, and a private concern evolved into a total waste-management system for the San Francisco Bay area cities. Civil engineers...
Can Clay Liners Prevent Migration of Toxic Leachate
According to recent research, low permeability clay barriers, used by landfill operators to contain hazardous wastes, can be rendered highly permeable by certain aggressive chemicals including...
The Future of Nuclear Power: A Global View
At ASCE's International Convention in New York City this past May, there was some lively discussion about nuclear waste disposal, the reprocessing of spent nuclear fuel, the...
If Your City's Well Water Has Chemical Pollutants, Then What�
Synthetic organic chemicals, especially certain solvents, are showing up in groundwater all over the U.S. and in many other industrial countries as well. These substances, some of which...
Rocky Mountain Arsenal: Landmark Case of Groundwater Polluted by Chemicals
For more than 20 years, the Army's Rocky Mountain Arsenal near Denver has been dealing with groundwater pollution caused by chemical warfare agents and pesticides. The arsenal...
Thermal Destruction Options for Controlling Hazardous Wastes
Incineration will play an increasingly important role in the management of hazadous waste in the United States. Properly designed and operated incineration systems are capable of destroying...
EPA Moving to control Industrial Toxic Pollutants with New NPDES Permits
To date, the main thrust of the nation's water pollution control program has been to abate traditional pollutants (biochemical oxygen demand, total suspended solids, and heavy...
Industry Challenges EPA on Whether Certain Wastes are Hazardous or Not
Before the U.S. can clean up its hazardous wastes, it must first decide which wastes are hazardous, which not. The case histories presented here show that this decision is not always easy...
Four Options for Hazardous Waste Disposal
Landfills, land treatment, mine storage, and deep well injection are four options examined as solutions to the hazardous waste disposal problem. Statistics indicate approximately 40 million...
NYC Convention Highlights - Part II
More highlights from ASCE's International Convention held in New York City this past May are presented. (See CE, 8/81 pp. 68-9, 74-5). Among the topics discussed are, the...
Stopping Water with Chemical Grout
New chemical grouts are now available to repair sewer leaks, control groundwater movement, and stabilize incompetent soils. Some of these grouts came into being only after the American...
Appropriate Technology in Resource Conservation & Recovery
Six contributions to proceedings of an October 1979 ASCE workshop deal with both developing and industrial countries. A review of debris accumulation in urban areas reveals archaeological,...
Multimillion-Acre Tea Bag
Just as pouring the same cupful again and again through a tea strainer makes bitter tea, so irrigating again and again with return-flow water concentrates salts in the water supply. While...
River Clean-Up Plan Developed with Citizens and Industry
In Wisconsin, a group of citizens has worked closely with industry and professional water quality planners to develop a plan to make a once polluted river fishable/swimmable. This plan,...
Duluth Sanitary District First in U.S. to Take Charge of Both Sewage and Refuse
The Western Lake Superior Sanitary District, serving Duluth, Minnesota and its suburbs, is the first sanitary district in the U.S. to be responsible for both wastewater and municipal refuse...
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...
What's Happened to the Quality of Asphalt�
After the 1973 oil embargo, state highway departments began complaning that the asphalt cement supplied by refineries did not have as before. Although the asphalt met departmental specifications,...
Environmental Engineering
The 1980 National Conference on Environmental Engineering was sponsored by the Environmental Engineering Division of the American Society of Civil Engineering in cooperation with Manhattan...
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