High-gravity oxygen-enriched oxidation regeneration method and special equipment for wet oxidation desulfurization process
A wet oxidative desulfurization and hypergravity technology, which is applied in chemical instruments and methods, catalyst regeneration/reactivation, separation methods, etc., can solve the problems of large oxidation equipment, low mass transfer efficiency, and large volume.
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[0025] Embodiment: the high-gravity oxygen-enriched oxidation regeneration method of the wet oxidation desulfurization process, which comprises the following steps:
[0026] 1) The desulfurized rich liquid and the oxygen-enriched air from the oxygen generator enter the supergravity machine respectively, and the oxidation reaction occurs in the filler to regenerate the catalyst. The pressure of the supergravity machine is not lower than 0.06MPag; the oxygen concentration of the oxygen-enriched air is at 25 % to 99%; the oxygen-enriched air volume is 1.2 to 2 times higher than the theoretical volume; the speed of the supergravity machine is between 300rmp and 2000rmp, and the theoretical volume is determined by the reaction formula of iron ions and oxygen 1 / 2 O 2 + H 2 O +2Fe 2+ =OH - + 2Fe 3+ Calculated:
[0027] Theoretical volume calculation formula: Q=(V*C / 56 / 4)*22.4 / η
[0028] Among them, Q: theoretical gas volume, unit Nm3 / h;
[0029] V: flow rate of rich liquid en...
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