Catalytic cracking method and device employing double lift pipes
A double riser, catalytic cracking technology, applied in catalytic cracking, cracking, petroleum industry and other directions, can solve the problems of short oil agent contact time, low catalyst activity, difficult heavy oil riser and other problems
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[0088] The main operating conditions and product distribution of Example 1 are shown in Table 4, and the main properties of the liquid product are shown in Table 5. The main operating conditions and product distribution of Example 2 are shown in Table 6, and the main properties of the liquid product are shown in Table 7. The main operating conditions and product distribution of Example 3 are shown in Table 8, and the main properties of the liquid product are shown in Table 9. The main operating conditions and product distribution of Example 4 are shown in Table 10, and the main properties of the liquid product are shown in Table 11. The main operating conditions and product distribution of Example 5 are shown in Table 12, and the main properties of the liquid product are shown in Table 13.
[0089] Table 1 Properties of heavy oil raw materials (comparative example, Examples 1-5)
[0090] Heavy oil raw material
Daqing atmospheric residual oil
Density (20℃)...
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