摘要 |
<p>1508569 Distillation column reactor SUN VENTURES INC 16 April 1975 [24 April 1974] 15611/75 Headings B1B and B1F In a distillation column reactor with normal trays and downcomers, increased residence time is provided by a reservoir 14 comprising a vapour port 15 and a height adjustable overflow conduit 17.</p> |