New Wastewater Process Cuts Plant Costs 60%
By combining the aerator and the clarifier into one basin, this new wastewater treatment process can slash capital costs up to 60% and operating and maintenance costs up to 45%. Raw sewage...
Coastal Zone '83
Interdisciplinary information and viewpoints on coastal zone management and ocean resources issues related to use, protection, and development are presented. Topics include improved jurisdiction...
Environmental Engineering
The purpose of the 1983 ASCE National Conference on Environmental Engineering was to pursue scientific knowledge and promote sound engineering judgement and practice in the solution of...
Activated Sludge
A Comparison of Oxygen and Air Systems
The use of pure oxygen in biological wastewater treatment is the only major advance which has occurred in the area of activated sludge treatment since the early 1960's. Furthermore,...
Arresting a Toxic Plume
At an abandoned gravel pit in New Hampshire turned into a dump site for hazardous liquid chemical wastes (as well as drummed solid waste), engineers had to race against the clock to stem...
The Incidence, Monitoring, and Treatment of Viruses in Water Supply Systems
A State-of-the Art Review
Two areas of growing concern in water treatment and public health are the potential for spread of viruses by water routes and the adequacy of current treatment and disinfection practices...
Emerging Energy/Environmental Trends and the Engineer
Although favorable energy situations presently exist, available fossil fuel sources of energy are limited and as a result there will be an increase in interest in requirements relating...
Upgrading Water Filtration Plants
Adding or improving mixing, flocculation, and sedimentation devices, and changing filter media can significantly increase water filtration plant capacity. Water quality can often be improved...
Progress in Urban Hydrology in the Federal Republic of Germany since 1979
The importance of urban water problems have been increasingly realized in the 70's also in the Federal Republic of Germany (FRG). State authorities, communities, universities,...
Progress Since 1979 in Sweden
During the past 20 years hard effort has been devoted to the protection of rivers and lakes from pollution. This effort has mainly been focused on the obvious sources of pollution i. e....
Progress Since 1979 in Norway
Following the completion of the major research program 'Purification of Wastewater' in 1978, the organized research activities in urban hydrology almost came...
Progress Since 1979 in the Netherlands
Since the last progress-report still more emphasis has been laid on quality aspects of surface waters. Municipalities as well as Provinces and the national government are responsible for...
Current Status of Urban Hydrology in Finland
Due to a smaller scale of urban problems on Finland, active research work on urban hydrology began as late as in the mid-1970's. The major urban hydrology and related studies...
Australian Coal Terminal Operates Happily Beside Residential Area
A coal terminal was built in Port Kembla, Australia at a $7.56 cost per metric ton. The port was built for $121 million, $18 million below estimate. It included such innovations as the...
Journal of Environmental Engineering
The Journal of Environmental Engineering presents broad interdisciplinary information on the practice and status of research in environmental engineering science, systems engineering, and sanitation. Papers...
Research and Development for Increased Productivity�Where We Must Go
A well-focused research and development activity must be the essential foundation of any long-range success in maintaining high and increasing productivity in manufacturing, the efficient...
Natural Treatment Systems in Wastewater Treatment and Sludge Management
Criteria defining performance of natural wastewater treatment and sludge management systems are presented. Objectives of natural treatment systems are to help treat municipal wastewater...
Will Reforms Improve Sewage Treatment Plant Performance?
After an exhaustive investigation, a Congressional subcommittee recommended more than 20 legislative and administrative reforms aimed at improving performance and economy of the wastewater...
Water Pollution Control Plant Upgraded to Meet EPA Regs
An Outstanding Civil Engineering Achievement Award Nominee, Philadelphia's Southwest Water Pollution Control Plant, has a $300 million addition which nearly doubled plant...
Water and Energy
Technical and Policy Issues
Industrial, political, legal, hydrological, and environmental issues surrounding development of energy and associated water resources are examined in this collection of papers presented...
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