エチレン塔
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エチレン精留塔の塔底からエタン除去用過冷却器、次にエタン気化器、そしてさらに冷却箱へと行くのは、なぜですか？
エチレンとエタンの沸点に関係があるようで、エチレンは-48度程度、エタンの沸点は-80～-90度程度です
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