The major transform measures were adding a reboiler in the bottom of the strippingcolumn, installing product filters and rearranging the flow scheme and piping.
主要改造措施为汽提塔底增加重沸炉、增加产品过滤器、调整管线及流程。
2
The internally heat integrated distillation technology refers to the heat integration of the same column (between) the rectifying and stripping sections.
蒸馏塔内部热集成技术系指同一塔内通过精馏段和提馏段之间的热量集成。
3
Unreacted butadiene is removed by flash distillation, and syrene by steam-stripping in a column.