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Metal Organic Framework-Polyethersulfone Composite Membrane for Iodine Capture.


ABSTRACT: A variety of metal organic frameworks (MOFs) were synthesized and evaluated for their iodine adsorption capacity. Out of the MOFs tested, ZIF-8 showed the most promising result with an iodine vapor uptake of 876.6 mg/g. ZIF-8 was then incorporated into a polymer, polyethersulfone (PES), at different proportions to prepare mixed matrix membranes (MMMs), which were then used to perform further iodine adsorption experiments. With a mixing ratio of 40 wt % of ZIF-8, the iodine adsorption capacity reached 1387.6 mg/g, wherein an astounding 60% improvement in adsorption was seen with the MMMs prepared compared to the original ZIF-8 powder.

SUBMITTER: Tang PH 

PROVIDER: S-EPMC7600638 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Metal Organic Framework-Polyethersulfone Composite Membrane for Iodine Capture.

Tang Po-Hsiang PH   So Pamela Berilyn PB   Lee Kueir-Rarn KR   Lai Yu-Lun YL   Lee Cheng-Shiuan CS   Lin Chia-Her CH  

Polymers 20201009 10


A variety of metal organic frameworks (MOFs) were synthesized and evaluated for their iodine adsorption capacity. Out of the MOFs tested, ZIF-8 showed the most promising result with an iodine vapor uptake of 876.6 mg/g. ZIF-8 was then incorporated into a polymer, polyethersulfone (PES), at different proportions to prepare mixed matrix membranes (MMMs), which were then used to perform further iodine adsorption experiments. With a mixing ratio of 40 wt % of ZIF-8, the iodine adsorption capacity re  ...[more]

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