What process is used for the separation of chlorine gas, hydrogen chloride gas, and carbon dioxide gas
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A mixture of gases containing chlorine, hydrogen chloride, carbon dioxide, nitrogen, and oxygen is absorbed using caustic soda solution before being discharged. To ensure that the exhaust gases released into the atmosphere contain no acidic gases, the amount of alkali solution used is usually set to be slightly more than the actual amount required to absorb chlorine and hydrogen chloride. However, under such processing conditions, carbon dioxide is absorbed by the alkali solution; at lower temperatures, crystals of sodium carbonate and sodium bicarbonate often form, causing blockages in the pipes. I’m not sure how to address this issue 1. Raise the temperature of the circulating alkaline solution? 1. Concerns that the absorption of chlorine gas and hydrogen chloride may not be effective. 2. Is it possible to separate the mixture of chlorine gas and hydrogen chloride from carbon dioxide gas in advance, by first isolating the carbon dioxide gas?
Senior, have you found a technique for separating chlorine and hydrogen chloride from nitrogen?
Are you considering directly filtering the resulting crystals or using pipeline steam for heat tracing?
:The grave from many years ago has been dug up again:sleepy:. If there is steam-lean water, install pipeline heating and insulation; if not, wouldn’t multi-stage absorption work?