Adsorption Properties and Permeation Performances of DD3R Zeolite Membranes

被引：2

作者：

Caravella, Alessio ^{[1
]}

Zito, Pasquale F. ^{[1
]}

Brunetti, Adele ^{[2
]}

Drioli, Enrico ^{[1
,2
]}

Barbieri, Giuseppe ^{[2
]}

机构：

[1] Univ Calabria, Dept Environm & Chem Engn DIATIC, I-87036 Arcavacata Di Rende, CS, Italy

[2] CNR, Inst Membrane Technol ITM CNR, I-87036 Arcavacata Di Rende, CS, Italy

来源：

ICHEAP12: 12TH INTERNATIONAL CONFERENCE ON CHEMICAL & PROCESS ENGINEERING | 2015年 / 43卷

关键词：

ALL-SILICA DD3R; SEPARATION CHARACTERISTICS; CO2; SELECTIVITY; MIXTURES; BINARY; CH4;

D O I：

10.3303/CET1543180

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

This modelling paper is focused on the evaluation of the performance of DD3R zeolite membranes for light gases separation. First, the required adsorption properties are calculated by means of a multivariate regression. Then, the Maxwell-Stefan multicomponent transport equations are implemented considering a quaternary equimolar gas mixture (CH4, CO2, CO and N-2) on the high-pressure feed side to evaluate the actual permeance and selectivity of the considered gases keeping the low-pressure permeation side at 100 kPa. After validating the model through experimental data taken from the literature, the simulation is performed in a certain range of temperature and pressure. It is found that in the range of considered conditions, the CO2/CH4 selectivity is higher than 100, increasing with decreasing temperature and pressure. Therefore, the most convenient temperature and pressure conditions where permeance and CO2/CH4 selectivity are good enough to be of interest for industrial applications are identified.

引用

页码：1075 / 1080

页数：6

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