Computer based process control applications

Summary form only given. The chemical company Du Pont uses advanced process control to improve operability of plants. This enhances safety, protecting people and the environment, and defines product quality within narrow limits. It reduces costs and increases profits. The paper discusses the objectives of the process control, gives descriptions of the hardware and of the software, and outlines the control strategies and benefits. It is shown that the use of advanced process control enhances safety and increases efficiency