To provide a chemical adsorbent for an acid gas, the chemical adsorbent having a high chemical adsorbing performance and not causing resin degradation, and to provide a deodorant processed product such as paper, nonwoven fabric, or fibers, the deodorant processed product exhibiting an excellent deodorizing performance by using the adsorbent.A chemical adsorbent for an acid gas, the chemical adsorbent including an amorphous zirconyl hydroxide represented by Formula (1) below, as a main component, and a deodorant processed product in which the chemical adsorbent for an acid gas is applied or kneaded: (ZrO)(HfO)(OH)•zHO (1)in which, in Formula (1): x, y, and z each represents a positive number； x represents a number from 0.0001 to 0.005； y represents a number from 1.9 to 3.0； and z represents a number from 0.05 to 1.0.
