CATALYTIC CONVERTER SYSTEM OPERATION [13B-MSP]
id0116z2101600
• Toxic substances (HC, CO, NO
X
) in exhaust gas are purified by oxidization and reduction while passing through the catalytic converter.
― Oxidation
• Combines toxic HC and CO with oxygen to produce non-toxic carbon dioxide and water.
O
2
+ HC + CO → CO
2
+ H
2
O
― Reduction
• Converts toxic NO
X
(nitrogen oxides) into non-toxic nitrogen and oxygen. Part of the oxygen produced in this process is used for oxidation.
NO
X
→ N
2
+ O
2