Risk-based Design of Process and Operation: A Case Study of Metal-degreasing Process Design

摘要

Design of process and operation for risk reduction is discussed and its framework is proposed as an activity model where required activities and information flows are defined functionally. As a case study of the framework for risk-based design, metal-degreasing processes are focused. In metal degreasing, a significant amount of cleansing agents is released into the environment, and local risks and global impacts due to the use of chemicals have become a big issue in Japan. In proposed framework, the procedures of source-specific risk and life cycle assessments are represented as activities with available information and knowledge for on-site engineers. A case study is presented to demonstrate the risk-based design of metal degreasing processes using obtained process information through investigations on actual metal-degreasing site.