High-purity copper-zinc redox media consistently remove 99% of free chlorine by electrochemically reducing dissolved chlorine gas to water-soluble chloride ions.
• KDF process medium are being used to complement or replace activated carbon filters, removing up to 95% of the chlorine when treating municipal water. KDF media pretreatment of granular activated carbon also extends the carbon’s life and limits bacteria growth in the bed.
KDF Process Media are used for a variety of pretreatment, primary water treatment, and wastewater treatment processes. They are generally used in place of, or in conjunction with, granular activated carbon filters, even carbon block or inline filters. KDF water filter media extend the life of granular activated carbon (GAC) while protecting the carbon bed against fouling by bacterial growth.
Our Media are also used to replace silver-impregnated systems. Silver is toxic, KDF Process Media are not. Silver must be registered with the EPA as a toxic pesticide, KDF Process Media do not. By the way, silver is more expensive than KDF Process Media.
We can explain redox (oxidation reduction process) like this: KDF Fluid Treatment’s unique combination of copper and zinc creates an electro-chemical reaction. During this reaction, electrons are transferred between molecules, and new elements are created. Some harmful contaminants are changed into harmless components. Free chlorine, for instance, is changed into benign, water-soluble chloride, which is then carried harmlessly through the water supply. Similarly, some heavy metals such as copper, lead, mercury and others, react to plate out onto the medium’s surface, thus being effectively removed from the water supply.
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