Ion Exchange

Aug 29 2007
The Radionuclide Rule of the Safe Water Drinking Act requires water systems to monitor for radioactivity in water supplies present as radionuclides....
Jul 2 2007
In the May 2007 issue, we primarily examined how automatic water softeners operate and discussed many of the potential solutions to operational...
Apr 25 2007
Have you ever wondered how we would clean up our drinking water if modern ion exchange resins had not been invented? The simple answer is that...
Mar 28 2007
Economic and regulatory factors make metal recovery and wastewater reuse attractive for the electroplating, semiconductor and printed circuit board...
Jan 4 2007
With the start of a new year, it’s only natural to reflect on past accomplishments and goals for the future. For those of us involved with the Water...
Nov 30 2006
There are many applications today that offer potential new business for water treatment dealers because of increasingly stringent drinking water...
Aug 28 2006
Among beverages, bottled water undoubtedly enjoys a privileged position in the marketplace. Consumers are willing to pay a hefty premium for the...
Jun 29 2006
The new maximum contaminant level (MCL) of 10 ppb for arsenic in drinking water has stimulated the development of many new and innovative solutions...
May 3 2006
Arsenic is naturally occurring in groundwater in both the arsenite and arsenate forms. Found in rocks, soil, water, air and biota, arsenic’s natural...
Mar 1 2006
Ion exchange resin beds are often an attractive growth medium for biological organisms, such as bacteria, mold and algae. In some cases, these...
Dec 1 2005
The Boomsnub site in the state of Washington was listed as a Superfund site in 1995. The site consists of two parcels of land, which previously...
Aug 19 2005
The International Group, Inc. (IGI) is a manufacturer of petroleum wax-based products in Toronto, ON, Canada. IGI paraffin waxes can be found in...
Jun 2 2004
Alkalinity in water is present in four forms: Dissolved carbon dioxide (CO2), bicarbonate (HCO3), carbonate (CO3) and hydroxyl (OH). The bulk of...
Jun 1 2004
Where Does Iron Come From? First let’s review the fundamentals of our water supply. Most of our water used for domestic, commercial or industrial...
Jun 19 2003
The industrial water treatment marketplace is extremely broad in both size and scope and may mean different things to different people. For some, the...
Mar 27 2003
Nitrates have no detectable color, taste or smell at the concentrations involved in drinking water supplies, and they do not cause discoloration of...
Jan 31 2003
Arsenic occurs naturally in the environment  as a heavy metal in two different forms, arsenite  (arsenic III) and arsenate (arsenic V)....
Sep 10 2001
Extracting the maximum benefit from condensate polishing systems continues to be a top priority among many electric utility plants. With cost...
Mar 13 2001
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...
Dec 28 2000
Deciding which type of strong base anion (SBA) resin to use in a deioinizing application does not have to be a guessing game. The following article...