| A dynamic simulation system for aromatic hydrocarbons extraction is developed to simulate processes of starting and stopping, operations under normal and abnormal conditions with a super real time speed. The system has many functions such as alarming and interlocking, history recording, time scale setting, running state freezing and melting, skill evaluating and so on. The system has been practiced in the plant and achieved a satisfactory result. The multi-component separation systems are divided into two different kinds in this paper. The former is the separation of norm-ideal materials and the latter is the separation of highly non-ideal materials. This paper provides a "super-theoretical stage" concept is used in order to carry out the real-time dynamic simulation for the latter system. This technique is also based on rigorous model and has a satisfactory precision and feasibility. It can also be used in other simulation systems that have separation system with non-ideal materials. A dynamic simulation system for aromatic hydrocarbon extraction has been practiced in the plant. The application shows that this system can be used to guide practical plant operation and process reforming, optimize operating parameters.
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