Lagrangian-Eulerian Approach to Modeling Contaminants
A Lagrangian-Eulerian modeling approach predicts potential contaminant distributions resulting from the disposal of sewage sludge at the Deepwater Municipal Disposal Site off the northeast...

Facilities Planning in the Caribbean a Case Study
Culebra has significant problems of water scarcity and poor wastewater treatment. In 1984-1985, a formal Environmental Impact Statement (EIS) was prepared for improved wastewater treatment...

Integrated Wastewater and Sludge Treatment in a Tree Farm
A system which integrates land treatment of wastewater following primary sedimentation with tree production and sludge composting was evaluated for its land requirements, costs, and energy...

Effect of the Fluid Velocity on the Biofilm Development
In order to get basic information concerning the application of a biological treatment to the ammonia nitrogen removal from drinking water, we considered the relation between the biofilm...

Implications of Nitrogen Transport by the Okanagan River
The long-term mean of total nitrogen load estimated in the river channel above the inlet to Skaha Lake is 906 lb day** minus **1. The apportionment of ammonia and nitrate plus nitrite...

What About the Point-of-Use?
Point-of-use (POU) granular activated carbon (GAC) treatment devices are being installed more frequently on community water sytems and on private wells. This article describes carbon filter...

An Optimization Model for Use in Analysis and Design of Wastewater Treatment Systems
The objective of present wastewater treatment plant design is to provide a cost effective processing system for a given waste-water. Generally each of the unit processes is designed to...

Policy Screening Models for Water Supply Operation
It is possible to characterize the real time, short term operation of a metropolitan water supply system - including the surface and groundwater sources, treatment and pumping facilities,...

Fate of Chemical Contaminants in Soil
Soil as a medium for storage, attenuation, immobilization, or degradation of chemicals has not provided the capability and protection of resources that was predicted in past fate studies...

Evolution of Water Organisations in England and Wales
Although by the early 1960's there was in existence a large body of legislation dealing with water matters, the Water Resources Act 1963 provided for the first time a significent...

Water Supply and Sewage Disposal: Shanghai, China
This paper describes a joint research effort which took place between the Shanghai Bureau of Environmental Protection, Tsinghua University (Beijing), and the University of Michigan. The...

Top Projects of 1986
In the 1986 ASCE competition to select the Outstanding Civil Engineering Achievement of the Year, 14 projects were nominated. This article describes the 10 non-winners. Technically the...

Use of Nondestructive Testing in Rehabilitation of Wood Cooling Towers
State-of-the-art nondestructive evaluation (NDE) techniques, destructive testing, structural analysis, degradation rate models and statistical analysis are combined to optimize a major...

Infrastructure in a Hurry
The City of Austin, Texas has experienced tremendous growth since the early 1970s. Until recently, however, infrastructure development lagged. Now the city is engaged in a $1 billion infrastructure...

Environmental Considerations in Risk-Based Decision Making in Water Resources
In the hypothetical Royal River Project there are several factors pertaining to environmental issies; these factors have a bearing on selection among the several alternatives and lead,...

Structural Design of the Defense Waste Processing Facility
The Defense Waste Processing Facility (DWPF) is designed to process radioactive defense waste sludge and the radioactive nuclides, cesium and stronium, from the salt solution. These radioactive...

Passing the Public Works Buck
Users and beneficiaries of local and state public works projects are paying a larger share of their cost. State and federal grants and general local revenues are being relied on less....

Water Forum '86
World Water Issues in Evolution
These proceedings for Water Forum '86 include papers presented at the second conference in which the water-oriented divisions of the American Society of Civil Engineers have...

A Demonstration Expert System to Aid in Assessing Groundwater Contaminating Potential by Organic Chemicals
An expert systems approach to evaluating mobility and degradation of organics in soil systems is compared to conventional programming techniques. An expert system has been developed in...

Conference Overview
An Engineering Foundation Conference organized by the ASCE Urban Water Resources Research Council was held at New England College in Henniker, New Hampshire, June 22-27, 1986. This paper...

 

 

 

 

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