What methods can be used in production facilities to absorb unwanted liquid chlorine as completely as possible?
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I would like to ask the experts here: one of the auxiliary materials used in our facility is liquid chlorine. When dealing with materials contained in pipelines filled with liquid chlorine, vacuuming is usually employed to remove the liquid chlorine, and sodium sulfite is added to the vacuum system to eliminate it. However, this method does not yield good results; every time liquid chlorine-containing materials are processed on site, there is a strong odor of liquid chlorine. I wonder if any expert knows of better methods for dealing with liquid chlorine. Thank you!
Sodium hydroxide was added as well, but it had no effect either
Sodium hydroxide can be used to produce sodium hypochlorite, which can also be sold for money; so why would one consider using sodium sulfite?
Our vacuum system uses caustic soda to treat acidic substances; when liquid chlorine is present, sodium sulfite is added alongside the caustic soda as part of this combined treatment process, and a considerable amount of it is used. However, the effect is not good – the material discharged from our vacuum system has a very strong smell of liquid chlorine, which is quite unpleasant. Our vacuum system is quite complex, so it is not suitable for extracting sodium hypochlorite
Determining the appropriate concentration of the alkaline solution, figuring out how much alkali remains after neutralization, checking whether the alkaline solution is circulated and what the volume of this circulation is – resolving these issues will solve the problem
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Our new installation is also equipped for treating chlorine-containing exhaust gases; we are worried about such consequences. With environmental regulations being so strict these days, it’s very troublesome if the emissions do not meet the standards.
To determine which absorption process to use, it is necessary to be aware of the conditions on site; it’s difficult to make a judgment based on general statements alone.
The handling plan will be determined based on the conditions on site; using a public vacuum system is not a good option