| In this paper, according to the problem of C3 recovery rate is not high in a NGL recovery plant with turbo-expander, the main unit process models were built up, and the process simulation calculation is taken .Through analyzing the operating data and process simulation calculation, that the main reason for low C3 recovery is found out. And by the principle of optimization technology, a optimization model was set up which aimed to improve the C3 recovery rate and reduce the total energy consumptions. The result of solving the optimization model was the optimal process operating parameters. |
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