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間欠減圧蒸留における継続的な真空引きの理由

2020-03-11View Original

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負圧蒸留では絶えず真空を引き続けるようですが、なぜでしょうか?連通する蒸留釜と受けタンクとして、始める前に一度真空を引いておけば、内部で真空が崩れることはないでしょうか? 液体が沸騰する際の液面付近の気圧と、凝縮器で液化したガスによって生じる圧力差によって、気相は凝縮器の方へ引き寄せられるのでしょうか?

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