Selective synthesis process of monoethyl adipate
The invention discloses a synthesis process for synthesizing monoethyl adipate. The process is mainly composed of an esterification reaction unit, a diethyl adipate separation unit, a monoethyl adipate concentration unit and a monoethyl adipate purification unit. The conversion rate of adipic acid c...
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| creator | YE CHANGSHEN YANG CHEN QIU TING CHEN JIE WANG HONGXING WANG QINGLIAN DONG HUAQI HUANG ZHIXIAN YIN WANG QI ZHAOYANG HE JIANYANG |
| description | The invention discloses a synthesis process for synthesizing monoethyl adipate. The process is mainly composed of an esterification reaction unit, a diethyl adipate separation unit, a monoethyl adipate concentration unit and a monoethyl adipate purification unit. The conversion rate of adipic acid can reach more than 90%, the selectivity of monoethyl adipate can reach 100%, and the purity is greater than or equal to 99%. Other organic reaction solvents are not used in the reaction process of the process, mono-esterification of adipic acid is carried out at a low alcohol-acid molar ratio, the use amount of ethanol is greatly reduced, the energy consumption required for recovering ethanol and the reaction solvents is reduced, the yield and the product quality of monoethyl adipate can be effectively improved, no diethyl adipate byproduct is newly added, and the production cost is reduced. The utilization rate of raw materials is improved, and the solid treatment capacity is greatly reduced. The process flow is s |
| format | Patent |
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The process is mainly composed of an esterification reaction unit, a diethyl adipate separation unit, a monoethyl adipate concentration unit and a monoethyl adipate purification unit. The conversion rate of adipic acid can reach more than 90%, the selectivity of monoethyl adipate can reach 100%, and the purity is greater than or equal to 99%. Other organic reaction solvents are not used in the reaction process of the process, mono-esterification of adipic acid is carried out at a low alcohol-acid molar ratio, the use amount of ethanol is greatly reduced, the energy consumption required for recovering ethanol and the reaction solvents is reduced, the yield and the product quality of monoethyl adipate can be effectively improved, no diethyl adipate byproduct is newly added, and the production cost is reduced. The utilization rate of raw materials is improved, and the solid treatment capacity is greatly reduced. 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| title | Selective synthesis process of monoethyl adipate |
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