A kind of separation method of acetone, toluene, sodium phenate and water quaternary mixture
A separation method and technology of sodium phenolate are applied in the separation/purification of carbonyl compounds, chemical instruments and methods, purification/separation of hydrocarbons, etc., to achieve the effect of simple process, reduced separation steps and high purity
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Embodiment 1
[0030] A method for separating a quaternary mixture of acetone, toluene, sodium phenate and water. The mass percentage concentration of each material in the mixture system is respectively 40% acetone, 30% toluene, 5% sodium phenate, and the rest is water, and the acetone is removed by distillation , azeotropic distillation to remove toluene and water, solid-liquid separation, condensation, drying operation, acetone, toluene, sodium phenate, water in the quaternary mixture are separated, it is characterized in that described method step is as follows:
[0031] (1) Distillation to remove acetone: the acetone in the mixture is removed in the distillation still, and the obtained gas phase material enters the fifth step of acetone condensation, and the material after distillation to remove acetone enters the next step;
[0032] (2) Azeotropic distillation to remove toluene and water: in the distillation still, the material after the acetone removal operation in the previous step is ...
Embodiment 2
[0039] A method for separating a quaternary mixture of acetone, toluene, sodium phenate and water. The mass percentage concentration of each material in the mixture system is respectively 20% of acetone, 10% of toluene, 15% of sodium phenate, and the rest is water, and the acetone is removed by distillation , azeotropic distillation to remove toluene and water, solid-liquid separation, condensation, drying operation, acetone, toluene, sodium phenate, water in the quaternary mixture are separated, it is characterized in that described method step is as follows:
[0040] (1) Distillation to remove acetone: the acetone in the mixture is removed in the rectifying tower, and the obtained gas phase material enters the fifth step of acetone condensation, and the material after distillation to remove acetone enters the next step;
[0041] (2) Azeotropic distillation to remove toluene and water: In the rectification tower, the material after the acetone removal operation in the previous...
Embodiment 3
[0048] A method for separating a quaternary mixture of acetone, toluene, sodium phenate and water. The mass percentage concentration of each material in the mixture system is 30% of acetone, 20% of toluene, 10% of sodium phenate, and the rest is water, and the acetone is removed by distillation , azeotropic distillation to remove toluene and water, solid-liquid separation, condensation, drying operation, acetone, toluene, sodium phenate, water in the quaternary mixture are separated, it is characterized in that described method step is as follows:
[0049] (1) Distillation to remove acetone: the acetone in the mixture is removed in the distillation still, and the obtained gas phase material enters the fifth step of acetone condensation, and the material after distillation to remove acetone enters the next step;
[0050] (2) Azeotropic distillation to remove toluene and water: in the distillation still, the material after the acetone removal operation in the previous step is sub...
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