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Optimum ethane recovery in conventional turboexpander process

机译:传统涡轮膨胀机工艺中乙烷的最佳回收率

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摘要

Ethane recovery in a conventional turboexpander process is optimized considering different demethanizer pressures and different feeds: a lean gas and a rich one. The design variables are varied, while meeting process constraints, in order to find the optimum conditions achieving the maximum profit. The analysis covers the whole process including the refrigeration part, and the entire typical demethanizer pressure range. The optimum ethane recovery is compared with the maximum possible recovery for each value of the demethanizer pressure. Recommendations are given regarding the selection of the level of ethane recovery, along with the demethanizer pressure, and refrigeration recovery system.
机译:考虑到不同的脱甲烷塔压力和不同的进料:贫气和富气,优化了常规涡轮膨胀机工艺中的乙烷回收率。设计变量在满足过程约束的同时进行变化,以便找到实现最大利润的最佳条件。分析涵盖了整个过程,包括制冷部分以及整个典型的脱甲烷塔压力范围。对于脱甲烷塔压力的每个值,将最佳乙烷回收率与最大可能回收率进行比较。给出了有关乙烷回收水平,脱甲烷塔压力和制冷回收系统选择的建议。

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