液液传质系数的测定

10.1714.2617.73水相0.0 2.9 6.127.9510.1313.8317.25酯相浓度mol/L 0.00.3770.874 1.158 1.549 2.185 2.731水相浓度mol/L 0.00.483 1.020 1.326 1.692 2.314 2.1

t/min NaOH体积

(mL) C o (mol/L)C w *(mol/L)426.06 3.065 3.301823.59 2.774 2.9881222.35 2.628 2.8311621.70 2.552 2.7492021.29 2.504 2.6972420.20 2.376 2.5592819.52 2.296 2.4733219.50 2.293 2.470

第一次第二次平均47.407.157.280.8560.79488.308.208.250.9700.901129.009.109.05 1.00.988169.709.809.75 1.147 1.02010.159.9010.03 1.179 1.0942410.4510.4010.43 1.226 1.1382810.7510.7010.73 1.261 1.17132

10.9511.05

11.00

1.294

1.201

C w -C w *

(mol/L)-2.446-2.018-1.767-1.602-1.518-1.333-1.212ΔC w (mol/L)0.1140.0940.0820.0320.0470.035

0.0004750.0003920.0003430.0001350.0001960.000146

C o *

-C o (mol/L)-2.270-1.874-1.0-1.487-1.409-1.237-1.125ΔC o (mol/L)-0.291-0.146-0.076-0.048-0.128-0.080-0.00121-0.00061-0.00032-0.0002-0.00053-0.00033

t/min ΔC o /Δt(mol·L -1·s -1)25℃醋酸在水相与酯相中的平衡浓度（wt%）

CNaOH=0.1176mol/L

NaOH体积(mL) C w (mol/L)C o

*

(mol/L)ΔC w /Δt(mol·L -1·s -1

)

-1.177

0.0330.000138

-1.092-0.003-1.3E-05