** ERROR
CALCULATED MINIMUM NUMBER OF STAGES (-0.66055) IS LESS THAN ZERO.
THIS USUALLY RESULTS WHEN IT IS TOO EASY TO SEPARATE THE LIGHT AND
HEAVY KEY COMPONENTS.
** ERROR
MINIMUM REFLUX RATIO CALCULATED FROM UNDERWOOD EQUATION
IS -1.2536. REFLUX RATIO RESET TO 0.1.
进料流股 压强 1100kpa 温度 -42.4 摄氏度
在脱乙烷塔塔顶分离出物料中的残余氢气,甲烷和乙烯,塔釜液(丙烷,丙烯)