October 2011

Special Report: Process Control and Information Systems

Intelligent severity optimization project pays off in two months

Major olefin producer uses new process control to fine-tune energy consumption

Wang, H., Wang, Z., Du, W., Wang, D., Qian, F., East China University of Science and Technology; Tang, Z., Sinopec Yangzi Petrochemical Co. Ltd.

The Sinopec Yangzi Petrochemical Corp. (SYPC) wanted to increase ethylene production at the Nanjing facility while decreasing energy consumption. The ethylene producer elected to use a real-time optimization (RTO) program to meet its production and energy consumption goals. The SYPC ethylene plant at Nanjing, China, increased higher-value product yield by 1.3% and decreased energy consumption by 2.5%. The authors discuss the thinking and techniques applied to achieve both goals. Background. As one of the pioneers in the development and application of novel technologies in Sinopec, SYPC has been working closely with East China University of Science and Technology (ECUST) for technical r

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