Filters

Mar 31 2004
Water does not get an easy time of it these days. It is treated at source, filtered during transit, chlorinated, fluorinated, UV radiated and...
Aug 6 2003
Imagine that you are in the final stages of constructing a ten-filter water treatment plant. Start-up for the filter control system alone requires...
Aug 6 2003
Situated in the heart of California's Monterey Bay area in the lush Pajaro Valley, the city of Watsonville lies 95 miles south of San Francisco at...
May 20 2003
A wide range of technologies, some new and some more traditional, is being marketed and applied for arsenic treatment. Each of these technologies has...
Mar 13 2003
In the years prior to World War II, researchers in the water treatment field working with well-known chemical theories of oxidation and reduction...
Mar 11 2003
Over the years, water quality has noticeably deteriorated worldwide. This decline in water quality stems from the extreme demand on very limited...
Nov 12 2002
Occasionally, height is an issue in a filtration system's housing design. A few years ago, Eden Equipment Company of Huntington Beach, Calif., was...
May 29 2002
Conventional Treatment: Precipitation with Iron, Aluminum As early as 1972, prior to the start of the U.S. Environmental Protection Agency (EPA)...
May 7 2002
Since the 1960s, municipalities and industries have used packaged water treatment plants to successfully and economically treat small water supplies...
Apr 30 2002
Editor’s Note: Part 1 of this series provided a timeline for the development of a drinking water standard for arsenic. It also summarized the...
Feb 26 2002
If you’ve seen it once, you’ve seen it a hundred times — customers who come to you looking for a home filtration system, unaware of what their...
Jan 21 2002
Arsenic is widespread in almost all types of soil, particularly in association with iron and sulfur compounds. Accordingly, much has been made of the...
Dec 20 2001
Understanding and reacting to the performance of a reverse osmosis (RO) system is necessary for continued successful operation. It is this...
Dec 10 2001
To most people, water clarity is important, but the nautical archaeologists at Texas A&M University know that to rebuild a 300-year-old ship, it...
Nov 21 2001
Nanofiltration technology from The Dow Chemical Company is helping to rehabilitate domestic water treatment at the Lake Mead National Recreation Area...
Nov 13 2001
Hydrogen sulfide is a common component in wastewater treatment plant off-gases (e.g., biogas) and waste gases from certain industrial processes. It...
Jun 10 2001
Carbon block is the workhorse of filtration technologies, performing a wider range of filtration tasks than other products. Its sintered porous...
May 20 2001
The facility had two conventional water treatment plants on a small site trapped between a park and Lake Michigan, leaving little room for expansion...
May 9 2001
The following is some basic information compiled from industry experts at diverse companies. Additional information is available at the contact...
Mar 21 2001
During last summer’s 2000 Olympic Games, U.S. Filter Australia/Vivendi Water supplied a wastewater reclamation plant that recycled sewage and...