萃取实验数据处理

长春工业大学化学工程学院高分子材料与工程专业090604班自己做的，如有错误，敬请谅解，〔这个是B5〕六、数据处理原始数据滴定过程相关数据记录表温度2O℃ 密度ρ转子=7900kg/m3q油=6L/h ρ油=800kg/m3cNaOH=0.01mol/L ρ水=1000kg/m3溶质A：苯甲酸 塔的有效高度：H=600mm稀释剂B：煤油 萃取剂Ｓ：水连续相：水 n=500r/min n=400r/min

n=300r/minNaOH用量/mL 原油

q水=12L/h q水=10L/h

q=8L/h轻相〔萃余相〕 1.2 0.35 0.2重相〔萃取相〕 0 0.3 0.45

0.20.45附录中的平衡数据X Y X YR E R E0.013930.012520.012010.012750.010820.0097210.0082760.00722

0.0027500.0026850.0026760.0025790.0024550.0023590.0021910.002055

0.0063840.0018970.0052790.0039940.0030720.0020480.001175

0.001890.0011790.0016970.0015390.0013230.0010590.000769数据处理举例n=400r/min,q水=10L/h进展相关计算如下：转子流量计的刻度标定〔油流量校正〕20℃时，取密度ρ转子=7900kg/m3，ρ水=1000kg/m3，q=6L/h，ρ油=800kg/m31000(79001000(7900800)800(79001000)水(水(油)( )油 转子水油 v油

6 6.80L/h而水流量即为读取值。(2)塔底萃余相消耗NaOH体积V 1.2mL2E塔顶萃取相消耗NaOH体积V 0.45mLE塔顶萃余相消耗NaOH体积V1

0.20mLO O+NaOHOH ONa +H2O+NaOH由n由CHCOOH

nNaOH

MNaOH

VNaOH 得：65进口煤油〔萃余相〕出口煤油

n 0.011.2103mol1.2105mol2n0.010.20103mol0.2105mol1出口水

n 0.010.45103mol0.45105molenMX 1 A 1 VnM油2 1 A 1.2105122800101031.21051221.83103kg苯甲酸/kg煤油nMX 2 A 2 VnM油2 2 A 0.2105122800101030.21051223.05105kg苯甲酸/kg煤油nMY e A 1 VnM水2 e A 0.451051221000251030.451051222.20105kg苯甲酸/kg水Y02画出平衡曲线和萃取操作线方程如下:0.003

y=-6.010.248x+0.0000.000140.00250.002YE0.0015Y0.0010.00050

R2=0.9983y=0.144x-4E-06

0.000120.00010.000080.000060.000040.000020

平衡线操作线多项式(平衡线)线性(操作线)0 0.005XR

0.01

0.015用excel做传质单元高度的曲线excel对平衡线和操作线方程做处理我选取其次组数据RX 3.05105 YRE

2.20

50Y*6.8041X20.248X0.0006Y*6.803.0510520.2483.051050.00060.000607558f(Y)1(Y*Y)1(0.0006075580)1645.93372行的Y02.20105/258.81072行的X带入操作线方程求解Y0.144X4106X(Y4106)/0.144X(8.801074106)/0.1443.3889105同理求出其次行的Y*和f(Y)其次行的Si(8.801070)(1646.04551645.9337)/20.001448同理以下几组都是这样处理的YXY*Si103.0501E-050.0006081645.933728.8E-073.3889E-050.0006081646.04550.00144831.76E-060.000040.000611644.33360.00144842.64E-064.6111E-050.0006111642.62660.00144653.52E-065.2222E-050.0006131640.92450.00144564.4E-065.8333E-050.0006141639.22730.00144375.28E-066.4444E-050.0006161637.5350.00144286.16E-067.0556E-050.0006171635.84760.0014497.04E-067.6667E-050.0006191634.16490.001439107.92E-068.2778E-050.000621632.48710.001437118.8E-068.8889E-050.0006221630.81410.001436129.68E-060.0000950.0006231629.14580.001434131.06E-050.000101110.0006251627.48230.001433141.14E-050.000107220.0006271625.82360.001431151.23E-050.000113330.0006281624.16950.00143161.32E-050.000119440.000631622.52020.001429171.41E-050.000125560.0006311620.87550.001427181.5E-050.000131670.0006331619.23550.001426191.58E-050.000137780.0006341617.60020.001424201.67E-050.000143890.0006361615.96950.001423211.76E-050.000150.0006371614.34340.001421221.85E-050.000156110.0006391612.72180.00142231.94E-050.000162220.000641611.10490.001418242.02E-050.000168330.0006421609.49250.001417252.11E-050.000174440.0006431607.88460.001416260.0000220.000180560.0006451606.28130.001414NOE0.035788对Si进展加和得到NOE=0.035788水流量S10L/h10kg/h 塔有效高度H=600mmHOE=H/NOE=0.6/0.035788=16.7654m萃取塔横截面积:

3.144

0.127.854103m2由K a SYE HoE

A可得：K a 10

=75.9443kg/(m3·h)YE 16.76547.854103用excel做出萃取效率曲线如下NOE几何意义16501640163016201610160000.0000050.000010.0000150.000020.000025