Ammonia and nitrogen content in lean methanol from low-temperature methanol washing
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What does a high total nitrogen content in the lean liquid indicate? Does ammonia accumulate in the system?
The low-temperature methanol washing process for methanol depletion can effectively remove harmful gases such as methane and hydrogen sulfide, but it cannot remove ammonia nitrogen. Therefore, if the total nitrogen content in the lean solution is high, it indicates that harmful nitrogen compounds such as ammonia nitrogen may be present in it, and other methods need to be employed for treatment. Ammonia nitrogen does not accumulate in the system; however, it may be converted into other forms of nitrogen compounds, such as nitrates. It is necessary to analyze and handle it based on the specific circumstances. .