Facilitated Transport of Copper(II) across Polymer Inclusion Membrane with Triazole Derivatives as Carrier
This study investigates copper(II) ion transport through a polymer inclusion membrane (PIM) containing 1-alkyl-1,2,4-triazole (n = 8, 9, 10, 11, 12, 14), <i>o</i>-nitrophenyl octyl ether as the plasticizer and cellulose triacetate as the polymer matrix. The feeding phase was a solution o...
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MDPI AG
2020-08-01
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Series: | Membranes |
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Online Access: | https://www.mdpi.com/2077-0375/10/9/201 |
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author | Bernadeta Gajda Radosław Plackowski Andrzej Skrzypczak Mariusz B. Bogacki |
author_facet | Bernadeta Gajda Radosław Plackowski Andrzej Skrzypczak Mariusz B. Bogacki |
author_sort | Bernadeta Gajda |
collection | DOAJ |
description | This study investigates copper(II) ion transport through a polymer inclusion membrane (PIM) containing 1-alkyl-1,2,4-triazole (n = 8, 9, 10, 11, 12, 14), <i>o</i>-nitrophenyl octyl ether as the plasticizer and cellulose triacetate as the polymer matrix. The feeding phase was a solution of 0.1 mol/dm<sup>3</sup><i>CuCl</i><sub>2</sub> and an equimolar (0.1 mol/dm<sup>3</sup>) mixture of copper, nickel, and cobalt chlorides with varying concentrations of chloride anions (from 0.5 to 5.0 mol/dm<sup>3</sup>) established with NaCl. The receiving phase was demineralized water. The flow rate of the source and receiving phases through the membrane module was within the range from 0.5 cm<sup>3</sup>/min to 4.5 cm<sup>3</sup>/min. The tests were carried out at temperatures of 20, 30, 40 and 50 °C. Transport of NaCl through the membrane was excluded for the duration of the test. It was noted that the flow rate through the membrane changes depending on the length of the carbon chain in the alkyl substituent from 16.1 μmol/(m<sup>2</sup>s) to 1.59 μmol/(m<sup>2</sup>s) in the following order: <i>C</i><sub>8</sub><i>> C</i><sub>9</sub><i>> C</i><sub>10</sub><i>> C</i><sub>11</sub><i>> C</i><sub>12</sub><i>> C</i><sub>14</sub>. The activation energy was 71.3 ± 3.0 kJ/mol, indicating ion transport through the PIM controlled with a chemical reaction. Results for transport in case of the concurrent separation of copper(II), nickel(II), and cobalt(II) indicate a possibility to separate them in a selective manner. |
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spelling | doaj.art-e3b1b5d49b6245379942c0f2e40dcdc02023-11-20T11:32:05ZengMDPI AGMembranes2077-03752020-08-0110920110.3390/membranes10090201Facilitated Transport of Copper(II) across Polymer Inclusion Membrane with Triazole Derivatives as CarrierBernadeta Gajda0Radosław Plackowski1Andrzej Skrzypczak2Mariusz B. Bogacki3Czestochowa University of Technology, Department of Metallurgy and Metal Technology, 42-200 Czestochowa, ul. Armii Krajowej 19, PolandPoznań University of Technology, Faculty of Chemical Technology, Institute of Chemical Technology and Engineering, 60-965 Poznań, ul. Berdychowo 4, PolandPoznań University of Technology, Faculty of Chemical Technology, Institute of Chemical Technology and Engineering, 60-965 Poznań, ul. Berdychowo 4, PolandPoznań University of Technology, Faculty of Chemical Technology, Institute of Chemical Technology and Engineering, 60-965 Poznań, ul. Berdychowo 4, PolandThis study investigates copper(II) ion transport through a polymer inclusion membrane (PIM) containing 1-alkyl-1,2,4-triazole (n = 8, 9, 10, 11, 12, 14), <i>o</i>-nitrophenyl octyl ether as the plasticizer and cellulose triacetate as the polymer matrix. The feeding phase was a solution of 0.1 mol/dm<sup>3</sup><i>CuCl</i><sub>2</sub> and an equimolar (0.1 mol/dm<sup>3</sup>) mixture of copper, nickel, and cobalt chlorides with varying concentrations of chloride anions (from 0.5 to 5.0 mol/dm<sup>3</sup>) established with NaCl. The receiving phase was demineralized water. The flow rate of the source and receiving phases through the membrane module was within the range from 0.5 cm<sup>3</sup>/min to 4.5 cm<sup>3</sup>/min. The tests were carried out at temperatures of 20, 30, 40 and 50 °C. Transport of NaCl through the membrane was excluded for the duration of the test. It was noted that the flow rate through the membrane changes depending on the length of the carbon chain in the alkyl substituent from 16.1 μmol/(m<sup>2</sup>s) to 1.59 μmol/(m<sup>2</sup>s) in the following order: <i>C</i><sub>8</sub><i>> C</i><sub>9</sub><i>> C</i><sub>10</sub><i>> C</i><sub>11</sub><i>> C</i><sub>12</sub><i>> C</i><sub>14</sub>. The activation energy was 71.3 ± 3.0 kJ/mol, indicating ion transport through the PIM controlled with a chemical reaction. Results for transport in case of the concurrent separation of copper(II), nickel(II), and cobalt(II) indicate a possibility to separate them in a selective manner.https://www.mdpi.com/2077-0375/10/9/201polymer inclusion membranecopper transport1-alkyl-1,2,4-triazoleselective transport |
spellingShingle | Bernadeta Gajda Radosław Plackowski Andrzej Skrzypczak Mariusz B. Bogacki Facilitated Transport of Copper(II) across Polymer Inclusion Membrane with Triazole Derivatives as Carrier Membranes polymer inclusion membrane copper transport 1-alkyl-1,2,4-triazole selective transport |
title | Facilitated Transport of Copper(II) across Polymer Inclusion Membrane with Triazole Derivatives as Carrier |
title_full | Facilitated Transport of Copper(II) across Polymer Inclusion Membrane with Triazole Derivatives as Carrier |
title_fullStr | Facilitated Transport of Copper(II) across Polymer Inclusion Membrane with Triazole Derivatives as Carrier |
title_full_unstemmed | Facilitated Transport of Copper(II) across Polymer Inclusion Membrane with Triazole Derivatives as Carrier |
title_short | Facilitated Transport of Copper(II) across Polymer Inclusion Membrane with Triazole Derivatives as Carrier |
title_sort | facilitated transport of copper ii across polymer inclusion membrane with triazole derivatives as carrier |
topic | polymer inclusion membrane copper transport 1-alkyl-1,2,4-triazole selective transport |
url | https://www.mdpi.com/2077-0375/10/9/201 |
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