In a distilation column, an aquimolar mixture of etanol, propanol, and butanol is separated into an overhead stream containing 66⅔% etanol and no butanol and a bottoms stream containing no etanol (see figure). Calculate the overhead and bottoms stream and compositions for a feed rate of 1000mol/h.

Problems

                            |        ---> E ⅔

                            |               P ⅓

                            |              B 0

                            |

                            |

⅓ E |

⅓ P ----> Feed | --> Distilation column

⅓ B |

                           |

                           |

                           |       ---> Bottoms E 0

                                                           P 

                                                           B