Method for preparing hexene through C4 disproportionation
A hexene and disproportionation technology, which is applied in the field of carbon four disproportionation to produce hexene, can solve the problem of low utilization rate of carbon four raw materials, and achieve the effect of improving utilization rate and good technical effect
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Embodiment 1
[0023] according to figure 1 In the process flow shown, the extractant is a mixed solvent of nitrogen-formylmorpholine and methyl ethyl ketone, the weight ratio is 1:1; the catalyst in the isomerization reactor is 12%Ni / Al 2 o 3 , operating conditions: reaction temperature 50°C, reaction pressure 1.5MPa in absolute pressure, mass space velocity of C4 2h -1 ; The adsorbent in the impurity processor is BASF Selexsorb CD and COS, the weight ratio of the two is 2:1, and the disproportionation catalyst in the disproportionation reactor is 8%WO 3 / SiO 2 , the operating conditions are: reaction temperature 350°C, reaction pressure 3MPa in absolute pressure, mass space velocity of C4 2h -1 . The operating conditions of the extraction process are shown in Table 2, and the material balance of the reaction is shown in Table 3.
Embodiment 2～6
[0025] React by each condition and step of embodiment 1, just change different operating parameters, its reaction condition is listed in table 1, the operating condition of extraction process is as shown in table 2, and the mass balance of reaction is as shown in table 3.
[0026] Table 1
[0027]
[0028] Note: The data of isomerization catalyst and disproportionation catalyst are the mass percentage of active components.
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