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Is hydrogen highly soluble in chlorosilanes?

2010-04-21View Original

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I’ve heard that hydrogen has a considerable solubility in chlorosilanes; it is said that this can be seen from the high hydrogen content in the hydrogen chloride extracted from the top of the desorption tower. I wonder what everyone’s thoughts are on this phenomenon. In my opinion, it is quite unusual for hydrogen to have such a low critical temperature and a small molecular weight, yet to exhibit high solubility in chlorosilanes.
Reply #22010-04-21
I agree with you; in my opinion, the solubility of hydrogen in chlorosilanes is very low, and the hydrogen that emerges from the top of the desorption tower is the result of incomplete separation due to the freezing of chlorosilanes.
Reply #32010-04-21
I agree with you; in my opinion, the solubility of hydrogen in chlorosilanes is very low, and the hydrogen that emerges from the top of the desorption tower is the result of incomplete separation due to the freezing of chlorosilanes.
Reply #42010-04-23
The solubility of hydrogen in chlorosilanes is very low, but the operating parameters and methods facilitate absorption. During the washing of exhaust gases, it is essential to ensure that the levels of hydrogen chloride and chlorosilanes in the hydrogen entering the adsorption tower are not high; this is the underlying premise for such operations. Of course, it also depends here on whether the hydrogen content in hydrogen chloride is within the allowable range
Reply #52010-04-24
4# luobangyanyan: I still don’t quite understand. If the solubility is not high, then how does the hydrogen gas get into the desorption tower? Thank you.
Reply #62010-04-24
This post was last edited by luobangyanyan on 2010-4-25 at 16:31. “If the solubility isn’t very high, then how does hydrogen get into the desorption tower?” First of all, it’s not necessary for the hydrogen dissolved in the desorption liquid to have a high solubility in order for hydrogen to enter the desorption tower; as long as some hydrogen is dissolved there, it will be carried along, though the amount varies. Secondly, the solubility of hydrogen in the desorption liquid is closely related to the operating conditions there, such as temperature and pressure, as well as the partial pressure of hydrogen in the gas mixture.
Reply #72010-04-24
Oh, okay, thanks. I’ll go and check it out, hehe
Reply #82010-04-25
We don’t have this situation here. I wonder how you determine a high hydrogen content?
Reply #92010-05-02
It was probably measured using gas chromatography; it’s related to our system, right?
Reply #102010-05-07
Hydrogen is released as a result of the chemical reactions that occur in the desorption tower! So, during component analysis, the hydrogen content in the tower top is very high!
Reply #112010-05-08
10#: Hydrogen is released as a result of the chemical reactions that occur in the desorption tower! So, during component analysis, the hydrogen content in the tower top is very high! I would like to ask for more details.

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