Abstract: A drying apparatus with a deodorizing member for a printing machine including a hot blast nozzle for directing a hot blast against a web of printed material for drying the printed material. The deodorizing member includes a preheating chamber provided with a burner for preheating a collective process gas including a portion of a used process gas already used during the drying operation. A catalytic layer is provided for oxidizing the used process gas and is operatively connected to a fan for supplying the used process gas through the catalytic layer.