There is a buzz of excitement throughout the industry surrounding the Water Quality Assn.’s (WQA) Sustainability Standards. The development of these standards was sparked by the WQA board of governors, which tasked the association with finding a proactive way to promote sustainability and environmental awareness across the entire drinking water treatment sector. This torch was eagerly taken up by industry volunteers, with task force ranks eventually growing to represent more than 50 WQA members and stakeholders.
The life-cycle approach to creating sustainability standards
FX ChloraGuard carbon blocks provide five times more chloramine reduction capacity than standard carbon blocks. With more than 70 million Americans drinking chloraminated water, the need for chloramine filtration products has never been greater. These carbon blocks are available in all standard sizes for POU, POE and light commercial applications.
Many water utilities across the U.S. are transitioning to chloramine for disinfection as an alternative to chlorine. This change is in response to stricter U.S. Environmental Protection Agency regulations on disinfection byproducts (DBPs), which are created when chlorine reacts with organics in water. Chloramine, a combination of chlorine and ammonia, is more stable and does not create DPBs.
Specialized carbon products improve chloramine removal
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The application of activated carbon to drinking water dates all the way back to 450 B.C., when Phoenician trading ships stored drinking water in charred wooden barrels. This practice was widely in use on long sea voyages by the 18th century. Even today, brewers use charred wooden barrels to remove impurities during the aging process.
Assessing activated carbon requires a rigorous review
This filter’s pleated design gives it a high surface area, providing excellent flow and dirt-holding capacity with minimal pressure loss. Constructed with carbon-impregnated media, it provides resistance to bacterial attack. It is ideal for non-chlorinated water supplies in which sediment reduction is the primary purpose of the filter and when taste, odor and chlorine reduction are desired.
CEI’s headquarters are located in Circleville, Ohio, in a state-of-the-art 21,000-sq-ft facility. CEI Anthracite is the company’s manufacturing facility located in Hazelton, Pa. CEI utilizes plants throughout the world to supply customers with high-quality filter media at the best possible price.
UFMC Series carbon wrap filters are cellulose free. Manufactured from carbon and polypropylene fibers, these filters will not harbor bacteria and other organics that are typical with cellulose-based filters. These cost-effective, single-stage cartridges are ideally suited for removal of sediments and reduction of unwanted taste, odor and chlorine from drinking water. They are available in 5, 10 and 20 microns in standard 2.6-in. and jumbo 4.5-in. OD diameters of 10- and 20-in. lengths.
Activated carbon (AC) is a common component in many water treatment devices. It removes a wide variety of organic-based contaminants, as well as some inorganic contaminants such as free chlorine and monochloramine. It is common to use AC ahead of reverse osmosis and ion exchange resins to prevent oxidation and organic fouling and to decrease maintenance frequency.
Activated Carbon Properties
Activated carbon properties determine filtration performance