Zapping Hazwastes
Electromagnetic energy, applied in situ, successfully removes contaminants entrapped in soil by vaporizing them. Recent test using radio frequency have successfully removed up to 99% of...

Garbage Management in Japan: Leading the Way
Excerpts from a book that details how land-poor Japan has less garbage problems than the land rich United States. Chapter Six, Incineration, is excerpted. In Japan, incineration is regarded...

Jet Grouting: The Pace Quickens
Over the past year, use of jet grouting in the U.S. has nearly quadrupled. A versatile tool, it has performed well in settings as diverse as a railway tunnel, industrial waste site and...

New Clarifiers Help Save History
By using clarifiers to upgrade a waste treatment plant, Camp Dresser & McKee were able to utilize the available space so that an historic building existing within the plant could...

Tailored Pre-Engineering Creates a Shopping Giant
Nearly one mile long, a shopping mall in Philadelphia does not fit the warehouse image of pre-engineered buildings. Under construction in northeast Philadelphia, the Franklin Mills Mall...

Aeration
A Wastewater Treatment Process
This manual summarizes current aeration practices in wastewater treatment, and includes both theoretical and practical guideline for the design and operation of such unit processes. The...

Simulated Water-Quality Changes in Detention Basins
A study has begun to simulate movement of stormflow through detention basins at four locations in the Irondequoit Creek watershed and determine the effect on peak flow and water quality....

Swedish Approach to Infiltration and Percolation Design
Design of infiltration and percolation facilities is similar to detention facilities. The storage volume of an infiltration basin being the ponding volume on top of the infiltration surface...

Swirl Concentrators Revisited. The American Experience and New German Technology
The Swirl Concentrator is a small, compact, 'no moving parts' solids separation device. Its function is to act as as a static combined sewer overflow (CSO) regulation...

Long-Term Effects of Urban Stormwater on Wetlands
In 1986 scientists and managers associated with local, state, and federal agencies that have wetland protection and stormwater management responsibilities in the region joined to consider...

Aquifer Storage Recovery: A New Water Supply and Ground Water Recharge Alternative
Aquifer Storage Recovery (ASR) involves treated drinking water that is stored underground by injection into a suitable storage zone during those months of the year when available supply...

Aquifer Storage Recovery (ASR): A Potential Solution to the Eutrophication of Florida's Lake Okeechobee
Progress and preliminary results of a demonstration project of the South Florida Water Management District (SFWMD) are discussed. Formed in 1985, the Lake Okeechobee Technical Advisory...

Subsurface Injection of Storm Water Runoff into an Underground Storage of Bangkok
Subsurface injection through a well into sand and gravel formations of the Bangkok aquifer of untreated canal water whose composition considered similar to that of storm water runoff,...

Reclaimed Water System with Artificial Recharge
Arizona cities must reduce water consumption as a result of the 1980 Arizona Ground Water Management Act. Use of reclaimed water in place of potable water for landscape irrigation and...

Augmenting Water Supply in the Phoenix Area Through Recharge of Surplus Central Arizona Project Water Into the Agua Fria Riverbed
This paper describes the efforts of several months activities in the initial stages of developing a 30,000 feet Demonstration Recharge Facility for surplus Colorado River water on the...

Ground Water Recharge Through Excavated Basins
Excavated basins were used to bypass slowly permeable soils in the Southern High Plains and artificially recharge the Ogallala aquifer. Recharge rates with turbid playa water were as rapid...

Granite Reef Underground Storage and Recovery Project
The Granite Reef Underground Storage and Recovery Project facility is an integral part of the largest water management system under development for the Phoenix metropolitan area. The project...

Conjunctive-Use Opportunities in Southern California
Increasing demands for water in Southern California, coupled with limited imported surface water supplies, indicate a potential shortage of about 1 million acre-feet by the year 2010....

Pioneer Conjunctive Use Program in the Southern San Joaquin Valley
The Arvin-Edison Water Storage District is located in the southern end of the San Joaquin Valley of California. The District is a pioneer in using conjunctive use operations to overcome...

Overcoming Institutional Barriers to Ground Water Banking: The Kern Water Bank
The newest facility planned for addition to the California State Water Project (SWP) is the Kern Water Bank, a proposed offstream ground water storage and extraction program in Kern County....

 

 

 

 

Return to search