Thin-film composite hollow fiber membranes for ethylene/ethane separation in gas-liquid membrane contactor

被引：27
|
作者：
Malakhov, A. O. [1 ]
Bazhenov, S. D. [1 ]
Vasilevsky, V. P. [1 ]
Borisov, I. L. [1 ]
Ovcharova, A. A. [1 ]
Bildyukevich, A. V. [2 ]
Volkov, V. V. [1 ]
Giorno, L. [3 ]
Volkov, A. V. [1 ]
机构：
[1] Russian Acad Sci, AV Topchiev Inst Petrochem Synth, Leninsky Prospect 29, Moscow 119991, Russia
[2] Natl Acad Sci Belaras, Inst Phys Organ Chem, Surganov Str 13, Minsk 220072, BELARUS
[3] ITM CNR, Natl Res Council Italy, Inst Membrane Technol, Via P Bucci 17-C, I-87036 Arcavacata Di Rende, Italy
来源：
SEPARATION AND PURIFICATION TECHNOLOGY | 2019年 / 219卷
基金：
俄罗斯科学基金会;
关键词：
Ethylene/ethane separation; Membrane contactor; Composite hollow fiber membranes; Poly(1-trimethylsilyl-1-propyne); Silver nitrate; Mass transfer coefficient; FACILITATED TRANSPORT MEMBRANES; CARBON-DIOXIDE CAPTURE; OLEFIN/PARAFFIN SEPARATIONS; SILVER-NITRATE; PROPYLENE/PROPANE SEPARATION; SURFACE MODIFICATION; SELECTIVE MEMBRANES; MASS-TRANSFER; PERFORMANCE; ABSORPTION;
D O I：
10.1016/j.seppur.2019.02.053
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The novel highly permeable composite membranes with a thin selective layer made of poly(1-trimethylsilyl-1-propyne) (PTMSP) on polysulfone hollow fiber support were proposed for application in gas-liquid membrane contactor for ethylene/ethane separation. The effects of AgNO3 concentration in aqueous absorbent and its velocity on the ethylene mass transfer coefficient were evaluated. High ethylene permeance (83 GPU) at ethylene recovery of 44% was achieved. Six months of membrane contactor operation revealed only 24% drop in the overall mass transfer coefficient. The contributions of membrane and liquid phase to the overall mass transfer resistance were estimated. The contributions were found to be comparable values.
引用
收藏
页码：64 / 73
页数：10
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