A mixture containing 50.0 wt% acetone and 50.0 wt% water is to be separated into two
streams – one enriched in acetone and the other in water. The separation process consists
of extraction of the acetone from the water into methyl isobutyl ketone (MIBK), which
dissolves acetone but is nearly immiscible with water. The overall goal of this problem is
to separate the feed stream into two streams which have greater than 90% purity of water
and acetone respectively.
#### 二, 先得到混合物的flowsheet
对acetone 50wt% + water 50wt% 的混合物,采用 MIBK萃取acetone的方式,最终通过flash distillation将其分离为纯度均在90%以上的water 和acetone。