Application of Rectifiers in Wastewater Treatment Industry


Rectifiers are commonly used in the following wastewater treatment processes:

1. Electrocoagulation

Electrocoagulation is a process that uses an electric current to remove suspended solids, colloids, and metals from wastewater. Rectifiers supply the necessary direct current (DC) to the electrodes, causing metal ions to destabilize, coagulate, and form flakes. This facilitates the removal of pollutants through sedimentation or flotation.

2. Electrooxidation

Electrooxidation is employed to degrade organic pollutants in wastewater through electrochemical reactions. Rectifiers provide the required DC voltage to the anode, where oxidation reactions occur. These reactions lead to the breakdown of organic compounds into harmless byproducts, such as carbon dioxide and water.

3. Electrolysis

Rectifiers are used in electrolytic processes to separate ions, remove heavy metals, and adjust the pH of wastewater. By controlling the current and voltage, rectifiers enable the migration of charged ions towards the electrode of the opposite charge, allowing for the separation and removal of specific contaminants.

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