Wet flue gas desulfurization
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Wet desulfurization process: what are the components of water gas, and what are their proportions? Also, I would like to know what the components of the rich liquid, lean liquid, and regenerated liquid are Guys, give me some advice on what’s correct
Different methods require different medications.
Water gas generally contains mainly CO, CO2, H2, and CH4, as well as some impurity gases such as N2, H2S, COS, NH3, HCN, HCl, etc.; the proportions vary depending on the different gas production methods. During the wet desulfurization process, water gas comes into contact with the desulfurization liquid (i.e., the lean liquid) in the desulfurization tower; the alkaline substances in the desulfurization liquid absorb hydrogen sulfide, resulting in the formation of the rich liquid. The rich liquid enters the regeneration unit, where hydrogen sulfide is oxidized to form sulfur foam, which is then sent to the sulfur recovery unit. Through a series of redox reactions, the desulfurization liquid is regenerated and pumped into the lean liquid tank; this lean liquid then continues to circulate into the desulfurization tower for further desulfurization. As for the regeneration solution, I’m not entirely sure; I think it’s probably the solution inside the regeneration device. If there is anything incorrect, I hope fellow sailors will point it out~! Let’s progress together~!
In wet flue gas desulfurization, the total alkalinity, tannin, vanadium, and pH values of the lean liquid and rich liquid remain largely unchanged. The purity of the solution with reduced suspended sulfur increases. The regeneration solution is probably the solution in the regeneration tank; there is no such term for it.
There are various solvents used in wet flue gas desulfurization: MDEA, NHD, low-temperature methanol washing, etc.
1# ydw20d The main components of water gas are CO and H2, with a small amount of CO2 as well. Other impurities include H2S, N2, CH4, etc. Rich liquid refers to the desulfurization fluid that has absorbed hydrogen sulfide ； Lean liquid refers to the liquid that regains its desulfurization capacity after regeneration. The desulfurization solution is used in the same way as the lean solution; the method of desulfurization differs, and the compositions of the lean solution and the rich solution also vary, depending on the method used