Cooling Tower Solutions

Testing of a new ozonation system for cooling towers

Deck: 

Testing of a new ozonation system for cooling towers

About The Author: 

W. Craig Meyer is professor of Environmental Science at Pierce College, Woodland Hills, Calif. He has been involved with various aspects of water quality research and consults with companies regarding water quality issues.

Activation Date: 
May 9, 2001
Files: 
Issue Reference: 
Legacy
Legacy ID: 
12347

Cryptosporidium - A brief overview of a new technology

The occurrence of Cryptosporidium parvum and other pathogens in water supplies poses a dangerous problem to the water industry and human health. Read about a new technology that is helping rid of this problem.

About The Author: 

Danielle Duclos is a technical writer at Foresight Science & Technology, a firm specializing in bringing people and technology together. The company’s customers range from major corporations and the U.S. government to small firms. Foresight Science & Technology, New Bedford, Mass., is a contractor for EPA, DoD and several other federal agencies tasked with assessing the utility of this new technology work. Foresight maintains an active federally and in-house sponsored research and development program. Additional information can be obtained at www.seeport.com; 508-984-0018, ext. 13.

Activation Date: 
March 14, 2001
Issue Reference: 
Legacy
Legacy ID: 
12204

Oxidizing Arsenic III to Arsenic V for Better Removal

On June 22, 2000, the U.S. Environmental Protection Agency (EPA) proposed lowering the maximum contaminant level (MCL) for arsenic from 50 down to 5 micrograms/L (Federal Register, 2000).

About The Author: 

Dr. Dennis Clifford, P.E., is a professor of environmental engineering and chair of the Department of Civil and Environmental Engineering at the University of Houston. He has more than 30 years experience in teaching, research and consulting related to water and soil treatment. During the last 20 years, he and his students have extensively researched the subject of arsenic speciation, oxidation and treatment.

Ganesh Ghurye received his master’s degree in environmental engineering from the University of Houston, where he currently is a researcher in the area of water treatment. He has five years experience in developing arsenic treatment methods.

Activation Date: 
March 14, 2001
Files: 
Issue Reference: 
Legacy
Legacy ID: 
12210

Water Quality Deterioration in Distribution Systems

While temperature is acknowledged to be an important factor in water treatment, remarkably little study has been made of the adverse influence of low temperatures on physical treatment process effectiveness. An early study concluded that "there is no preventative or retarding effect on alum floc formation with low raw water temperatures."

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Part 4: Microbiologically-Mediated Deterioration in Surface Water Supplies

About The Author: 

Thomas L. O’Connor, BSEE, MBA, is the project director for H2O’C Limited, Columbia, Missouri.

John T. O’Connor, EngD, P.E., is the prinicipal for H2O’C, Limited, Columbia, Missouri. Phone: 877-22-WATER; e-mail: water@H2OC.com.

Activation Date: 
February 19, 2001
Legacy
Legacy ID: 
12162

E. Coli Awareness

There are approximately 73,000 cases of E. coli annually in the United States, according to the Centers for Disease Control and Prevention. However, this infection is not just domestic but on a global scale.

Publication Date: 
December 28, 2000
Activation Date: 
December 28, 2000
Issue Reference: 
Legacy
Legacy ID: 
11899

Roundtable Discussion: E. coli (Escherichia coli)

Escherichia coli, a.k.a. E. coli. A terrible, but familiar word to the public suggests sewage or animal waste contamination. E.

Deck: 

Recent outbreaks of E. coli have brought consumer’s attention to their drinking water. Understanding its source, regulations and prevention will be key to combating this waterborne illness

About The Author: 

Wendi Hope King is the editor of Water Quality Products magazine.

Publication Date: 
December 28, 2000
Activation Date: 
December 28, 2000
Issue Reference: 
Legacy
Legacy ID: 
11900

Precision Tubing Ensures Purity of Water Filtration System

In today's laboratory environment, it is essential that pure water is available for numerous applications.

Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
11737

Water Testing: Why Customers Should Be Informed

People must recognize that drinking water contamination is a serious problem. It is a problem that is constantly being addressed by government officials, public interest groups and the scientific community.

Activation Date: 
December 28, 2000
Issue Reference: 
Legacy
Legacy ID: 
11678