Coupling method between making hydrogen and desulfurizing petroleum coking gas
A technology for petroleum coke and gasification reaction, which can be used in the petroleum industry, hydrogen production, catalytic conversion gas purification of impurities, etc., and can solve problems such as increasing the complexity of the process.
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[0010] Example 1
[0011] Take 5g of petroleum coke from a refinery, and its elemental analysis is C 89.08%, H 3.25%, N 1.86%, and S 3.6%. Grind to below 100 mesh, mix with sodium carbonate particles at a ratio of 1:1, add to reactor 1, pass water vapor, flow rate of 200ml / min, reactor temperature of 750°C, and reaction time of 6 hours. The gas at the outlet of the reactor is cooled and sampled to analyze the generated gas. The gas composition is determined by removing H 2 O and N 2 Calculate H 2 48%, CH 4 22%, CO 12%, CO 2 13%, C 2 H 4 3%, C 2 H 6 2%, H 2 S 5ppm and NH 3 100ppm. After the reaction, the solid product in the reactor 1 was washed with water at 80°C for half an hour to remove most of the sodium carbonate, then acid washed with hydrochloric acid at a temperature of 80°C for 1 hour, and then washed with water at 80°C for 2 hours to remove the hydrochloric acid. Finally, it was dried at 120°C for 2 hours. The desulfurization rate of petroleum coke is 65.3%.
Example Embodiment
[0012] Example 2
[0013] It is basically the same as Example 1, but the difference is that the flow rate of water vapor is 160 ml / min. At the same time, 20% of the flow rate of hydrogen in Example 1 is added, that is, the flow rate is 40 ml / min. The desulfurization rate of petroleum coke is 72.5%.
Example Embodiment
[0014] Example 3
[0015] It is basically the same as Example 1, but the difference is that the flow rate of water vapor is 120ml / min. At the same time, 40% of the flow rate of hydrogen in Example 1 is mixed, that is, the flow rate is 80ml / min. The desulfurization rate of petroleum coke is 82.8%.
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