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Vacuum desorption pressure of activated carbon

2016-06-02View Original

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I would like to ask: in the process of activated carbon adsorption-desorption, what is the typical desorption pressure (in absolute terms) used in practical applications, and what level of desorption efficiency can be achieved? Thank you!
Reply #22016-06-02
Different gases and different pressures result in varying desorption rates; your statement is too general
Reply #32016-06-03
Is vacuum desorption safe? Air entering can cause a fire.
Reply #42016-06-03
It won’t catch fire, right? The sealed adsorption tank is under vacuum, so no air can get in
Reply #52016-06-03
You’re right; it’s even harder to give an answer when details are specified. Specifically, it’s about the desorption of ethyl acetate using activated carbon under vacuum conditions – at what level of vacuum can a 90-95% desorption rate be achieved within 2-3 hours?
Reply #62016-06-03
You’re overlooking one thing: temperature. Temperatures vary, and our company’s desorption process involves heating
Reply #72016-06-03
Yes, heating is also a commonly used desorption method. Do you use heated desorption or heated followed by vacuum desorption?
Reply #82017-10-09
Hello, do you also need activated carbon for vacuum desorption of ethyl acetate? Was the problem solved? You can add me as a QQ friend at 329541429 so we can discuss things together

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