A kind of sodium hydrosulfide production process and device
A sodium hydrosulfide, production process technology, applied in the field of acid gas purification, can solve the problems of sodium sulfide perishable, difficult to operate the device, long process, etc.
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Embodiment 1
[0079] use as figure 1 The shown method and device use acid gas and NaOH solution as raw materials for reaction. CO in acid gas 2 The volume fraction is 7%, H 2 The volume fraction of S is 92%, and the volume fraction of hydrocarbons is 1%. The mass concentration of NaOH solution is 38%.
[0080] In this embodiment, the first processor 3 and the second processor 4 are Venturi reactors, and the third processor 6 and the fourth processor 8 are rotary bed processors.
[0081] In this embodiment, the volume flow ratio of the second reaction product liquid 22 from the first processor 3 circulating back to the first processor 3 and the total reaction product liquid of the first processor is 5:6. The volume flow ratio of the second reaction product liquid 20 from the second processor 3 and the total reaction product liquid of the second processor circulating back to the second processor is 2:6, and the secondary reaction product liquid entering the fourth processor and The volu...
Embodiment 2
[0085] use as figure 2 In the shown method and device, in Embodiment 2, the first processor 3 and the second processor 4 adopt image 3 In the shown Venturi reactor, the third processor 6 and the fourth processor 8 adopt rotating bed processors.
[0086] In this embodiment, the volume flow ratio of the reaction product liquid from the first processor 3 and the total reaction product liquid of the first processor 3 that is circulated back to the first processor 3 through the absorption liquid inlet of the first processor 3 is 5: 8. The volume flow ratio of the reaction product liquid from the first processor 3 that circulates back to the first processor 3 through the circulating liquid inlet 32 of the first processor 3 and the total reaction product liquid of the first processor 3 is 5:24.
[0087] The volume flow ratio of the reaction product liquid 21 from the second processor 4 circulating back to the second processor 4 through the absorption liquid inlet of the second p...
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