Influence of Alkyl Chain Length in 1-Alkylimidazol on the Citric Acid Transport Rate across Polymer Inclusion Membrane

被引：9

作者：

Gajewski, Piotr ^{[1
]}

Bogacki, Mariusz B. ^{[1
]}

机构：

[1] Poznan Univ Tech, Inst Chem Technol & Engn, Poznan, Poland

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 2012年 / 47卷 / 09期

关键词：

1-alkylimidazole; citric acid; orto-nitrophenyl octyl ether; polymer inclusion membrane; tri-butyl phosphate; tri-octylamine; MASS-TRANSFER CHARACTERISTICS; SUPPORTED LIQUID-MEMBRANE; SOLID-PHASE EXTRACTION; SMALL POLAR-MOLECULES; CHROMIUM(VI) TRANSPORT; FACILITATED TRANSPORT; SELECTIVE TRANSPORT; ION SORPTION; SEPARATION; CD(II);

D O I：

10.1080/01496395.2012.672517

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Research, about citric acid transport, through the polymer inclusion membranes, have been carried out. Two different plasticizers - ONPOE and TBP and a series of carriers of tri-octylamine and 1-alkylimidazoles with carbons chain length of 10, 11, 12, 14, and 16 atoms were used. It was found out that for 1-alkylimidazoles values of the permeability coefficients obtained for TBP as plasticizer change in the range of 8.81*10(-7) m/s to 1.92*10(-6) m/s. When ONPOE was used as the plasticizer, the values change in the range of 1.43*10(-9) m/s to 2.24*10(-8) m/s. The value of the permeability coefficient for the membrane with TBP equals 3.49*10(-7) m/s and is comparable with the value obtained for the TOA with this plasticizer, which equals 4.77*10(-7) m/s TBP, therefore, it is able to simultaneously act as a plasticizer and carrier in membrane. Tested membranes are characterized by a high durability. The repeated 5-times, 24-hours cycles of research did not show any decrease in transport capacity of citric acid.

引用

页码：1374 / 1382

页数：9

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