<p>An exhaust gas clarification apparatus having, in a passage (31) for an exhaust gas from an internal combustion engine (30), an absorbing catalyst (2) which comprises a zeolite having a three-dimensional structure, in which ring structures having different number of members intersect with one another, and is capable of holding HC therein until a clarification catalyst for HC in the exhaust gas reaches the temperature required for the appropriate action of the clarification catalyst.</p>
