separation selectivity
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2021 ◽  
Vol 899 ◽  
pp. 275-280
Author(s):  
Ilya L. Borisov ◽  
Evgenia Grushevenko ◽  
Elena Buinova ◽  
Vladimir Volkov

The paper presents a comparison of the techniques for polydecylmethylsiloxane selective layer coating to the inner and outer sides of a polysulfone hollow fiber support. It has been shown that coating to the outer side allows one to obtain a composite membrane with a higher selectivity for CO2/N2 vapor. A decrease in the number of defects in the selective layer is achieved by increasing the viscosity of the polydecylmethylsiloxane solution. The resulting membrane was characterized in the separation of a model mixture of hydrocarbons, and a high separation selectivity was shown - 12.4 with respect to the n-butane / methane gas pair.


2021 ◽  
pp. 129023
Author(s):  
Ze-Lin Qiu ◽  
Wen-Han Yu ◽  
Yu-Jie Shen ◽  
Bao-Ku Zhu ◽  
Li-Feng Fang

2021 ◽  
Author(s):  
Hao Liu ◽  
Boran Li ◽  
Yayun Zhao ◽  
Chunlong Kong ◽  
Chen Zhou ◽  
...  

A Zr-based metal-organic framework (MOF-801) with high thermal and chemical stability was prepared by solvethermal synthesis method. Notably, MOF-801 exhibits high separation selectivity for C3H8/CH4 and C2H6/CH4, making it possible...


Author(s):  
Zongjian Liu ◽  
Zhicong Sun ◽  
Zhao Zhang ◽  
Lifei Xu ◽  
Lin Zhang ◽  
...  

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