Chemicals

Jan 21 2002
A report released by the Environmental Working Group (EWG) and U.S. Public Interest Research Group (U.S. PIRG) has taken aim at chlorination...
Dec 27 2001
There is no shortage to the available information in regard to disinfection methods from principle to application. Two common disinfection methods...
Oct 22 2001
The Johnstown, Penn., Wastewater Treatment Plant has found a simple and relatively inexpensive chemical solution to a chronic hydrogen...
Oct 19 2001
A water treatment plant in Cleveland, Ohio, is a 20-mgd capacity conventional surface water facility using Lake Erie as the water source. The plant...
Oct 19 2001
A water treatment plant in Cleveland, Ohio, is a 20-mgd capacity conventional surface water facility using Lake Erie as the water source. The plant...
Sep 21 2001
A study aimed at distinguishing between the comparative activity of the nitrifying organisms Nitrosomonas europea and Nitrobacter winogradskyi,1...
Sep 20 2001
To obtain its ISO 9000 Certification, State Chemical — a division of State Industrial Products — replaced its deteriorating batch control systems...
May 20 2001
Developed by Futura Coatings of St. Louis, this system increases the energy efficiency of the manufacturing facility. After preparing the tank...
Dec 28 2000
An oily water treatment facility on the Sabine River near Port Arthur, Texas, was not in compliance and had a large inventory of wastewater on site....
Dec 28 2000
It is important to sanitize a well twice a year whether it is a new well or an existing well. If the well has been disrupted for service or repair,...