MOF-Based Sorbents Used for the Removal of Hg2+ from Aqueous Solutions via a Sorption-Assisted Microfiltration

Mercury is considered to be one of the most important chemicals of public health concern. Therefore, it is necessary to develop an effective method of removing mercury ions from aqueous solutions to protect people from exposure to this element. This paper presents research on the application of a so...

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Published in:Membranes (Basel) 2022-12, Vol.12 (12), p.1280
Main Authors: Miśkiewicz, Agnieszka, Starosta, Wojciech, Walczak, Rafał, Zakrzewska-Kołtuniewicz, Grażyna
Format: Article
Language:English
Subjects:
Acids
Aqueous solutions
Cellulose
Chloride
Composite materials
Efficiency
Mercury
Mercury (metal)
mercury removal
Metal-organic frameworks
metal-organic-framework compounds (MOFs)
Metals
Microfiltration
Porous materials
Process parameters
Public health
Radiation
Reagents
Software
Sorbents
Sorption
sorption-assisted microfiltration (SAMF)
water purification
Zirconium
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cited_by cdi_FETCH-LOGICAL-c400t-45ab3af1e592cd1e1769b7cb58b71a249ecf457295b8bfc76b1ecb1599acfac53
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container_issue 12
container_start_page 1280
container_title Membranes (Basel)
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creator Miśkiewicz, Agnieszka
Starosta, Wojciech
Walczak, Rafał
Zakrzewska-Kołtuniewicz, Grażyna
description Mercury is considered to be one of the most important chemicals of public health concern. Therefore, it is necessary to develop an effective method of removing mercury ions from aqueous solutions to protect people from exposure to this element. This paper presents research on the application of a sorption-assisted microfiltration (SAMF) hybrid process for the removal of Hg2+ from aqueous solutions. As adsorbents used in the process, the metal-organic-framework-UiO-66-type materials have been considered. The methods of synthesis of two types of metal-organic-framework (MOF) sorbents were developed: UiO-66_MAA modified with mercaptoacetic acid (MAA) and a composite of UiO-66 with cellulose. The results of the experiments performed proved that the separation of Hg2+ from water solutions conducted in such a system was effective; however, a relatively long initial contact time of reagents before filtration was required. The experimental results can be used to optimize the parameters of the SAMF process in order to obtain an effective method of Hg2+ removal from aqueous solutions.
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subjects Acids
Aqueous solutions
Cellulose
Chloride
Composite materials
Efficiency
Mercury
Mercury (metal)
mercury removal
Metal-organic frameworks
metal-organic-framework compounds (MOFs)
Metals
Microfiltration
Porous materials
Process parameters
Public health
Radiation
Reagents
Software
Sorbents
Sorption
sorption-assisted microfiltration (SAMF)
water purification
Zirconium
title MOF-Based Sorbents Used for the Removal of Hg2+ from Aqueous Solutions via a Sorption-Assisted Microfiltration
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