Microcrystalline wax hydrogenation method
A technology of microcrystalline wax and high-pressure hydrogenation, which is applied in the refining of petroleum wax, can solve problems that are difficult to meet at the same time, and achieve the effects of low cost, simple and flexible operation, and high yield
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[0011] Example 1
[0012] The microcrystalline wax material containing 2.21w% oil is used, the properties are shown in Table 1, and the catalyst properties are shown in Table 2.
[0013] The mixture of microcrystalline wax and hydrogen heated to a certain temperature enters the reactor. Under the action of the catalyst, by controlling the appropriate reaction conditions, the hydrodesulfurization, denitrification, deoxygenation and aromatic saturation reactions are carried out; after the materials flow out of the reactor, After gas-liquid separation and vacuum deodorization, it becomes a white microcrystalline wax product. The reduction conditions of the catalyst were reduction with hydrogen at 3.5MPa and 320°C for 20 hours. Process conditions and product properties are shown in Tables 3 and 4. The products in Table 4 meet the requirements of food-grade microcrystalline wax standards.
Example Embodiment
[0014] Example 2
[0015] The raw material used in this example is a 2.68% oil-containing microcrystalline wax raw material (see Table 1), the catalyst is the same as in Example 1, and the reduction conditions of the catalyst are reduction with hydrogen at 5.5MPa and 300°C for 25 hours. Process conditions and product properties are shown in Tables 3 and 4 respectively.
Example Embodiment
[0016] Example 3
[0017] The raw material used in this implementation is a microcrystalline wax raw material containing 3.05% oil (see Table 1), the catalyst is the same as in Example 1, and the reduction conditions of the catalyst are reduction with hydrogen at 4.5 MPa and 280° C. for 28 hours. Process conditions and product quality are shown in Tables 3 and 4 respectively.
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