4. Distillation: processes, separatory
  5. Plural distillations performed on same material
  6. One a distillation under positive pressure or vacuum

William Featherstone

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Amine separation process

Distillation: processes – separatory – With disparate physical separation – Utilizing liquid-liquid extracting of distillation product
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Separation of ethylamines

Distillation: processes – separatory – Plural distillations performed on same material – One a distillation under positive pressure or vacuum
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