| 摘要 |
PURPOSE:To obtain a catalyst for removal of NOx, CO and hydrocarbon from exhaust gas contg. oxygen in excess at a high rate of purification and to purify exhaust gas. CONSTITUTION:This catalyst for purification of exhaust gas is a catalyst for removal of NOx, CO and hydrocarbon from exhaust gas contg. oxygen in excess and contains Mn in zeolite. Exhaust gas is purified with this catalyst. |
