Table 1. LLE Data (Mass Fraction) for the System Formic Acid (1) + Water (2) + 2-MTHF (3) at Different Temperatures.
| overall
composition |
extract
composition |
raffinate
composition |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| w1 | w2 | w3 | w1 | w2 | w3 | w1 | w2 | w3 | K1 | K2 | α1/2 |
| T = 298.15 K | |||||||||||
| 0.080 | 0.420 | 0.500 | 0.093 | 0.142 | 0.765 | 0.063 | 0.821 | 0.116 | 1.476 | 0.173 | 8.53 |
| 0.080 | 0.420 | 0.500 | 0.092 | 0.141 | 0.767 | 0.063 | 0.813 | 0.124 | 1.460 | 0.173 | 8.42 |
| 0.030 | 0.470 | 0.500 | 0.038 | 0.081 | 0.881 | 0.022 | 0.861 | 0.117 | 1.727 | 0.094 | 18.36 |
| 0.007 | 0.493 | 0.500 | 0.009 | 0.053 | 0.938 | 0.005 | 0.884 | 0.111 | 1.800 | 0.060 | 30.02 |
| 0.143 | 0.357 | 0.500 | 0.151 | 0.213 | 0.636 | 0.124 | 0.737 | 0.139 | 1.218 | 0.289 | 4.21 |
| 0.005 | 0.495 | 0.500 | 0.007 | 0.052 | 0.941 | 0.004 | 0.868 | 0.128 | 1.750 | 0.060 | 29.21 |
| 0.015 | 0.485 | 0.500 | 0.020 | 0.063 | 0.917 | 0.011 | 0.876 | 0.113 | 1.818 | 0.072 | 25.28 |
| 0.060 | 0.440 | 0.501 | 0.073 | 0.120 | 0.808 | 0.046 | 0.833 | 0.121 | 1.587 | 0.144 | 11.02 |
| 0.150 | 0.350 | 0.500 | 0.159 | 0.223 | 0.618 | 0.132 | 0.738 | 0.130 | 1.205 | 0.302 | 3.99 |
| T = 313.15 K | |||||||||||
| 0.080 | 0.420 | 0.500 | 0.090 | 0.125 | 0.787 | 0.070 | 0.826 | 0.104 | 1.279 | 0.151 | 8.45 |
| 0.030 | 0.470 | 0.500 | 0.035 | 0.077 | 0.888 | 0.025 | 0.881 | 0.094 | 1.400 | 0.087 | 16.02 |
| 0.007 | 0.493 | 0.500 | 0.008 | 0.054 | 0.938 | 0.006 | 0.894 | 0.100 | 1.333 | 0.060 | 22.07 |
| 0.143 | 0.357 | 0.500 | 0.150 | 0.192 | 0.658 | 0.134 | 0.755 | 0.111 | 1.119 | 0.254 | 4.40 |
| 0.015 | 0.485 | 0.500 | 0.018 | 0.061 | 0.921 | 0.013 | 0.882 | 0.105 | 1.385 | 0.069 | 20.02 |
| 0.060 | 0.440 | 0.500 | 0.069 | 0.106 | 0.826 | 0.051 | 0.834 | 0.115 | 1.353 | 0.127 | 10.64 |
| 0.150 | 0.350 | 0.500 | 0.157 | 0.200 | 0.643 | 0.142 | 0.739 | 0.119 | 1.106 | 0.271 | 4.09 |
| 0.005 | 0.495 | 0.500 | 0.006 | 0.051 | 0.943 | 0.004 | 0.909 | 0.087 | 1.500 | 0.056 | 26.74 |
| T = 328.15 K | |||||||||||
| 0.080 | 0.420 | 0.500 | 0.089 | 0.119 | 0.793 | 0.070 | 0.852 | 0.078 | 1.271 | 0.140 | 9.10 |
| 0.030 | 0.470 | 0.500 | 0.033 | 0.075 | 0.893 | 0.028 | 0.903 | 0.070 | 1.179 | 0.083 | 14.19 |
| 0.007 | 0.493 | 0.500 | 0.008 | 0.055 | 0.937 | 0.007 | 0.927 | 0.066 | 1.143 | 0.059 | 19.26 |
| 0.143 | 0.357 | 0.500 | 0.146 | 0.182 | 0.672 | 0.143 | 0.762 | 0.095 | 1.021 | 0.239 | 4.27 |
| 0.015 | 0.485 | 0.500 | 0.016 | 0.062 | 0.922 | 0.014 | 0.911 | 0.075 | 1.143 | 0.068 | 16.79 |
| 0.060 | 0.440 | 0.500 | 0.064 | 0.101 | 0.835 | 0.057 | 0.864 | 0.079 | 1.123 | 0.117 | 9.61 |
| 0.150 | 0.350 | 0.500 | 0.153 | 0.189 | 0.658 | 0.151 | 0.743 | 0.106 | 1.013 | 0.254 | 3.98 |
| 0.005 | 0.495 | 0.500 | 0.005 | 0.052 | 0.943 | 0.005 | 0.926 | 0.069 | 1.000 | 0.056 | 17.81 |