Safe landfill disposal of spent arsenic removal media
A closer look at coprecipitation, adsorption and ion exchange
Effective methods for cleaning biologically fouled resin
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 contained two unrelated businesses that contributed separately to contamination of soil and groundwater.
Superfund site cleanup of chromate-contaminated groundwater
The RO system has proven to be very reliable, and has been offline less than 1% of the time for maintenance, filter changes and membrane cleanings.
Wax manufacturer selects 150 gpm RO system to pretreat incoming city water, which feeds plant’s steam boiler system
Let's take a closer look at the technology and operation of ion exchange resins and processes used today in industrial water treatment systems.
Nitrates have no detectable color, taste or smell at the concentrations involved in drinking water supplies, and they do not cause discoloration of plumbing fixtures, so they remain undetectable to our senses. Nitrate removal processes must be either foolproof or include extensive monitoring of the treated water to detect breakthrough or determine the need for regeneration.
While high concentrations of arsenic are found mostly in the Western region of the United States, parts of the Midwest and New England show levels of arsenic
that exceed the newly approved U.S. Environmental Protection Agency (EPA) standard of 10 parts per billion (ppb). Individuals not willing to wait for their water system's compliance with the arsenic standard currently are looking for treatment systems to use in their homes. POU and even point-of-entry (POE) treatment systems are an attractive solution for these individuals. The process should begin with a basic understanding of arsenic contamination and the element's chemistry, a complete water quality analysis of the application-specific water and the knowledge of available technologies.