For the absorption of vinyl chloride exhaust gases, is the membrane method better, the pressure swing adsorption method better, or a combination of both methods better?
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I would like to ask whether the membrane method is better, the pressure swing adsorption method is better, or a combination of both methods is better for absorbing vinyl chloride exhaust gases
My QQ is 654062761; contact me if you need information
PSA is much better: meets emission standards, high concentration ratio, and acetylene can be recycled
I have used both membrane recovery and pressure swing adsorption, and pressure swing adsorption is much better!
The most reasonable process is to first use a membrane to recover 90–95% of the VCM, and then use PSA to absorb the remaining small amount of VCM; this way, the emission levels can be kept below 10 ppm at all times. Given the characteristics of the calcium carbide process, the volume and composition of the exhaust gases vary greatly. Using PSA alone for VCM recovery is feasible, but it is difficult to ensure that emission standards are met at all times.
It’s the Dalian Ouke bar upstairs. I’ve dealt with many people from your company in the past, haha
Currently, some companies in China use membranes to recover VCM, but these are not the best membranes available abroad; therefore, the efficiency of this process is not as good as that achieved with foreign membranes Abroad, it’s possible to recover it directly using membrane methods to meet the standards!
What is the difference between temperature-dependent adsorption and pressure-dependent adsorption? And in what applications are they used?