液-液萃取实验设备参数萃取塔塔径D=37mm；塔高=1000mmm；塔的有效高度H=750mm实验数据及处理记录频率为10/次时，T煤=27℃，T水=26℃；频率为20/次时，T煤=30℃，T水=28℃；相关物性参数：水的密度1000kg/m3；煤油密度800kg/m3；流量计转子密度7900kg/m3；苯甲酸相对分子质量M=122012g/mol.实验序号12筛板往复频率（次/分）1020水流量（L/h）44煤油流量（L/h）66煤油实际流量（L/h）6.8056.805NaOH溶液浓度mol/l0.01340.0134浓度分析原料X1样品体积（ml）1010NaOH用量（ml）14.4014.9014.3015.00平均值14.3514.95塔顶轻相X2样品体积（ml）1010NaOH用量（ml）8.908.609.208.70平均值9.058.65塔底重相Y1样品体积（ml）2525NaOH用量（ml）16.5017.1516.7017.13平均值16.6017.14计算及实验结果原料煤油浓度X1（kgA/kgB）2.94×10-33.06×10-3塔顶轻相浓度X2（kgA/kgB）1.85×10-31.77×10-3塔底重相浓度Y1（kgA/kgS）1.09×10-31.12×10-3传质单元数NOE1.48981.5145传质单元高度HOE(米)503.42495.21体积总传质系数KYa(kgS/(m3h))7.400×1037.519×103塔型:筛板式塔内温度：25℃溶质A:苯甲酸；稀释剂B:煤油；萃取剂S:水4.数据计算实例1）转子流量计校正：q==6.805L/h2）原料煤油浓度的计算：(对频率为10/次时原料举例)苯甲酸浓度C1XV1=C（NaOH）xV(NaOH)=0.0134X14.35X10-3mol/l煤油的质量=800x10x10-6=8.00g煤油的浓度X1=C1xV1x122.12/8.00kgA/kgB=2.94×10-3kgA/kgB;y2=0.同理可得其他成分的浓度，结果见上表。Y与1/(YE-Y)的数据关系频率为10次/分，塔内温度：25℃序号YXYE1/(YE-Y)10.0000E+001.8640E-031.1915E-038.3927E+0225.5450E-051.9220E-031.2075E-038.6802E+0231.1090E-041.9800E-031.2232E-038.9901E+0241.6635E-042.0380E-031.2388E-039.3243E+0252.2180E-042.0960E-031.2543E-039.6851E+0262.7725E-042.1540E-031.2698E-031.0075E+0373.3270E-042.2120E-031.2854E-031.0496E+0383.8815E-042.2700E-031.3013E-031.0952E+0394.4360E-042.3280E-031.3174E-031.1445E+03104.9905E-042.3860E-031.3338E-031.1979E+03115.5450E-042.4440E-031.3507E-031.2559E+03126.0995E-042.5020E-031.3682E-031.3188E+03136.6540E-042.5600E-031.3863E-031.3871E+03147.2085E-042.6180E-031.4052E-031.4613E+03157.7630E-042.6760E-031.4248E-031.5419E+03168.3175E-042.7340E-031.4454E-031.6296E+03178.8720E-042.7920E-031.4670E-031.7248E+03189.4265E-042.8500E-031.4896E-031.8283E+03199.9810E-042.9080E-031.5134E-031.9405E+03201.0536E-032.9660E-031.5385E-032.0620E+03频率为20次/分,塔内温度：35℃序号YXYE1/(YE-Y)10.0000E+001.8600E-031.2564E-037.9590E+0225.9000E-051.9208E-031.2752E-038.2221E+0231.1800E-041.9816E-031.2936E-038.5066E+0241.7700E-042.0424E-031.3115E-038.8145E+0252.3600E-042.103