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...
Engineers Assess Aquaculture Systems for Wastewater Treatment
The status of aquaculture technologies for wastewater treatment are explored, and an engineering assessment is made of the feasibility for their routine use in municipal wastewater treatment....
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...
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...
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...
Saving the U.S's Rapidly Dwindling Farmland and Other Priceless Natural Resources
Key to land management in the U.S., according to experts at the Council on Environmental Quality, is management of federally owned lands. U.S. needs to protect prime farmland, wetlands,...
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...
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...
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...
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...
Solid Waste Research and Development Needs for Emerging Coal Technologies
The workshop was organized into three topical areas: (1)Solid Waste Characterization; (2)reuse, recycle, utilization; and (3)environmental effects: system design, monitoring, disposal....
1977 Clean Air Act: Cheapest Way to Clean Up the Environment�
What impact is the Clean Air Act of 1977 having on American industry? Is the law the most cost effective way to clean up the nation's air? The power industry dislikes the...
Nuclear Waste Disposal: Is there a safe solution?
Will fission nuclear power play a major role in the American power industry during the next 50 years? Whether or not it does will largely depend on whether the federal Department of Energy...
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