Twin-tower type flue gas deep purification device through plasma coupling and sodium based absorption and method thereof
A technology of deep purification of flue gas and plasma, which is applied in separation methods, chemical instruments and methods, and separation of dispersed particles, and can solve problems such as the inability to effectively remove elemental mercury
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[0066] Example 1, figure 1 A dual-tower plasma-coupled sodium-based absorption flue gas deep purification device and method are provided, including a desulfurization tower 1, a plasma demister oxidation device 2 and a denitration and mercury removal tower 3.
[0067] The present invention adopts the separate arrangement of the desulfurization tower 1 and the denitration and mercury removal tower 3; this separation arrangement firstly reduces the mutual competition between desulfurization and denitration, and improves the desulfurization effect; secondly, after desulfurization, the NOx and Hg are oxidized, and there is Helps improve the oxidation efficiency; finally can be based on SO 2 , NOx and Hg chemical characteristics, and carry out the targeted design of the absorption tower.
[0068] The desulfurization tower 1 includes a desulfurization slurry circulation pool 11, a desulfurization flue gas inlet 12, a desulfurization spray layer 13, a desulfurization defogger 14 and a desul...
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