Consider the Source

A report released by the Environmental Working Group (EWG)
and U.S. Public Interest Research Group (U.S. PIRG) has taken aim at
chlorination byproducts (CBPs) in tap water. The group‘s assessment
states that more than 100,000 women are at elevated risk of miscarriage or
birth defects because of CBPs in tap water.

Deck: 

Editorial

Activation Date: 
February 4, 2002
Legacy
Legacy ID: 
12908

Chlorine Residual Boosting in Distribution Water

When it comes to the methods to increase, or boost, the low level of disinfectant in distribution water, information is scarce

Deck: 

Water Disinfection

About The Author: 

Shin-ichi Tokuno is a microbiologist with the Water Utilities Laboratory in the City of Corpus Christi, Texas

Activation Date: 
December 27, 2001
Legacy
Legacy ID: 
12841

Treatment Plant Cuts Hydrogen Sulfide Odor With Sodium Nitrite/Nitrate Blend

The Johnstown, Penn., Wastewater Treatment Plant has found a simple and relatively inexpensive chemical solution to a chronic hydrogen sulfide odor problem.

Deck: 

Products In Action: Chemicals

About The Author: 

For additional information, contact General Chemical at 201-515-0900.

Activation Date: 
October 22, 2001
Legacy
Legacy ID: 
12716

Primary Coagulant Aid Outperforms Alum, Slashes Operating Costs

At a water treatment plant in Cleveland a primary coagulant aid slashed the operating costs.

Deck: 

At Work on Chemicals

Activation Date: 
October 19, 2001
Files: 
Legacy
Legacy ID: 
12710

Primary Coagulant Aid Outperforms Alum, Slashes Operating Costs

At a water treatment plant in Cleveland a primary coagulant aid slashed the operating costs.

Deck: 

At Work on Chemicals

Activation Date: 
October 19, 2001
Files: 
Legacy
Legacy ID: 
12709

Controlling Nitrification in a Water Distribution System Using Sodium Chlorite

Engineers set out to discover whether the direct addition of sodium chlorite to a water stream might be an effective nitrification control process.

Deck: 

Water Treatment

About The Author: 

Thomas L. O’Connor, BSEE, MBA, is project director, H2O’C Engineering, Columbia, Mo. e-mail: Tom@h2oc.com
 
Bart Murphy, BSCE, is superintendent of Water, Willmar (Minn.) Municipal Utilities.
 
John T. O’Connor, EngD, PE, is principal, H2O’C Engineering, Columbia, Mo. Phone: 877-22-WATER; e-mail: John@h2oc.com.
 

Activation Date: 
September 21, 2001
Legacy
Legacy ID: 
12646

Connection of Sensors to Valves Is Chemical Plant’s Formula for Total Quality

To obtain its ISO 9000 Certification, State Chemical — a division of State Industrial Products — replaced its deteriorating batch control systems with  Easy LINK™ solutions consisting of Burkert Type 8035 inline flow transmitters with digital display, direct-linked to Burkert Type 2000 Y-pattern valves for precision ON/OFF control.

About The Author: 

For further information, phone Burkert at 949-223-3100.

Publication Date: 
August 14, 2001
Activation Date: 
August 14, 2001
Legacy
Legacy ID: 
12635

Storage Tanks Insulated with Urethane Foam Increase Energy Efficiency

A spray-applied coating and insulation system to protect anhydrous ammonia fertilizer tanks from temperature variations has been useful at beverage, fertilizer and chemical facilities worldwide.

Activation Date: 
May 21, 2001
Legacy
Legacy ID: 
12350

How to Sanitize a Well in 10 Easy Steps

It is important to sanitize a well twice a year whether it is a new well or an existing well

Activation Date: 
December 28, 2000
Issue Reference: 
Legacy
Legacy ID: 
11098