含量不超过0.05,以100mol计算,脱乙烷塔进料温度,压力,进料流量为476.84,在该条件下,查《化工热力学》(张乃文等)[3]得有表3.1数据:Р表3.1 原料气热力学性质(,)Р组分РK值Р相对挥发度Р摩尔分数Р10.51Р15.036Р0.369032Р2.217Р3.17Р0.231434Р0.6990Р1.00Р0.221759Р0.3058Р0.4375Р0.053484Р0.2238Р0.3202Р0.076906Р0.09838Р0.1407Р0.009985Р0.07602Р0.1088Р0.017741Р续表3.1:Р0.02689Р0.0385Р0.014753Р30.41Р43.505Р0.004906Р对进料组分进行清晰分割计算,可得表3.2数据:Р表3.2 脱乙烷塔清晰分割计算Р编号Р组分名称Р摩尔组成Р1Р36.903Р36.903Р-Р2Р23.143Р23.143-0.05WР0.05WР3Р22.176Р0.025DР22.176-0.025DР4Р5.348Р-Р5.348Р5Р7.691Р-Р7.691Р6Р0.999Р-Р0.999Р7Р1.774Р-Р1.774Р8Р1.475Р-Р1.475Р9Р0.491Р-Р0.491Р100РDРWР根据F=D+W,可以得到塔顶流量D=283.763,塔底流量为W=193.077。结果如表3.3:Р表3.3 清晰分割计算结果Р编号Р组分名称Р摩尔组成Р1Р36.903Р36.903Р-Р2Р23.143Р21.118Р2.025Р3Р22.176Р1.488Р20.688Р4Р5.348Р-Р5.38Р5Р7.691Р-Р7.71Р6Р0.999Р-Р1.01Р7Р1.774Р-Р1.79Р8Р1.475Р-Р1.49Р9Р0.491Р-Р0.49Р100Р59.509Р40.491
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