Catalyst and Desiccant
Selection and Replacement

This standard establishes requirements for selection, quality assurance, quality control, first-fill purchase, and disposal of Catalyst and Desiccant Material Service Group The Catalyst and Desiccant Material Service Group 148000 consists of desiccant, Claus catalyst, and refining process catalysts. The purpose of this standard is to implement a program that results in the cost-effective management of catalyst.