| 摘要 |
PURPOSE:To provide an exhaust gas purifying apparatus capable of more effectively adsorbing cold HC contained in exhaust gas. CONSTITUTION:In an exhaust gas purifying apparatus wherein an HC adsorbing material 33 is arranged on the upstream side of the exhaust gas purifying catalyst of an exhaust gas system E1, the HC adsorbing material 33 is composed of zeolite heat-treated in an H2S atmosphere. |
