How to Filter Chloride


Chloride is the ion that is formed from elemental chlorine when it adds an electron. The chloride ion and its associated salts are soluble in water, making them difficult to filter. One method for the removal of chlorides from a water stream is the use of activated carbon filters. Activated carbon particles have a high external surface area that provides chemical absorption of ions and other organic molecules.

Things You'll Need

  • Channel lock pliers
  • Activated carbon filter
  • Water supply hose
  • Turn off the water supply to a kitchen sink or other location where drinking water is delivered. There is typically a metal shut off valve under the sink.

  • Disconnect the cold water inlet line to the faucet using the channel lock pliers. The inlet line is typically a braided hose with a hex connection after the shut off valve and another one connected to the faucet valve. Disconnect the end near the faucet valve.

  • Install the carbon filter unit by placing it under the sink in the back. It will have an inlet and outlet connection.

  • Connect the cold water inlet line hose to the carbon filter inlet connection. Tighten using the pliers.

  • Connect the new water supply hose from the carbon filter outlet connection to the faucet inlet. Test the connections by turning on the shut off valve and turning on the cold water faucet valve. Allow the water to run for five minutes. If there are leaks, tighten the connections with the pliers.

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