Reasons for excessive hydrogen sulfide levels in the dry gas desulfurization tower
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This post was last edited by sdwfsgyykai on 2018-12-4 08:07. The level of liquid in the system is normal; there’s no liquid in the rear section as well. However, the hydrogen sulfide level is sometimes above the limit and sometimes it isn’t detected at all. Please give me some advice, experts
Pay attention to whether the regeneration efficiency of the lean solution meets the requirements, as well as the hydrogen sulfide content and concentration in the lean solution； Appropriately increase the circulation rate of the lean liquid to the dry gas desulfurization tower ； Pay attention to the dry gas inlet temperature and the lean liquid temperature to prevent amine solution foaming caused by the condensation of heavy hydrocarbons.
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