| 摘要 |
<p>Appts. has a sieve -plate column with condenser and reboiler. Auxiliary vessels allow solids to be extracted, liquids to be fed to the column for liquid-liquid extraction and distillations to be carried out and liquid fractions collected. Used for pilot-scale investigational work, partic. in the field of natural products, plant extracts etc. A series of extraction and distillation processes may be carried out on for instance, a batch of material, without the need to assemble different combinations of equipment.</p> |
