How Do Catalysts Help in Specific Purification Processes?
Catalysts are utilized in several key water purification processes:
- Advanced Oxidation Processes (AOPs): In AOPs, catalysts like TiO2 are used to generate hydroxyl radicals that oxidize and decompose organic pollutants. - Catalytic Reduction: Catalysts such as palladium are used to reduce nitrates and nitrites in water, converting them into harmless nitrogen gas. - Electrocatalysis: This involves the use of an electric current and a catalyst to drive the removal of contaminants, such as in the electrochemical reduction of pollutants. - Biocatalysis: Enzymes are used to break down specific organic contaminants, such as pesticides and pharmaceuticals.
