The stability and defluoridation performance of MOFs in fluoride solutions

Zhao, Xudong; Liu, Dahuan; Huang, Hongliang; Zhang, Wenjuan; Yang, Qingyuan; Zhong, Chongli

doi:10.1016/j.micromeso.2013.11.002

Cited by 175 publications

(75 citation statements)

References 64 publications

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“…), typically in the work of Zhong et al [74] for the removal of fluoride, the water stability (including contaminant contained water stability) should be considered firstly for the purpose of water purification. ), typically in the work of Zhong et al [74] for the removal of fluoride, the water stability (including contaminant contained water stability) should be considered firstly for the purpose of water purification.…”

Section: Discussionmentioning

confidence: 99%

“…And there is also researches showing that it might cause kidney stones, impaired thyroid function, and lower intelligence. [74] It is suggested that MOFs with better stability in fluoride solution should be with hydrophobicity and/or relatively inert metal combined by high coordinate number. [5,73] For using MOFs as adsorbents to remove fluoride, the stability in fluoride solution was firstly considered by Zhong et al based on eleven water-stable MOFs (MIL-53 (Fe, Cr, Al), MIL-68 (Al), CAU-1, CAU-6, UiO-66 (Zr, Hf) and ZIFs-7, -8, -9).…”

Section: The Removal Of Inorganic Contaminantsmentioning

confidence: 99%

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Water Purification: Adsorption over Metal‐Organic Frameworks

et al. 2016

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Water pollution relating to human beings' health is a universal problem across community society. Highly efficient, economically feasible and easily achievable approaches are long-sought-after for water purification. Adsorption processes with porous materials (e.g. zeolites, activated carbon, silica gel, metal-organic frameworks (MOFs)) have drawn much attention in this field during past decades. In it, MOFs with numerous active sites, uniform porosity and tailorable structure diversity are arising to be one of the most promising adsorbents for water purification. During the adsorption processes, influence factors that determine or affect the usability and performances of MOFs are mainly focused on the stability of MOFs, their affinity for contaminants and the conducting conditions (pH, initial concentration of the contaminants). In this review, we will systematically present the performances of MOFs (mainly focused on MOF crystals, MOF nanomaterial or MOF composites will be beyond the scope of this review) for contaminants purification (inorganic and organic contaminants) in water and give a detailed discussion about the connection among their performances, conducting condition factors and potential interaction mechanisms (e.g. electrostatic interactions, coordination or p-p interaction). We hope this review will be beneficial to the design, regeneration and reuse of MOF adsorbents and promote the development of MOFs for water purification.

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Section: Discussionmentioning

confidence: 99%

Section: The Removal Of Inorganic Contaminantsmentioning

confidence: 99%

Water Purification: Adsorption over Metal‐Organic Frameworks

et al. 2016

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“…The case of MIL-101(Cr)-SO 3 H at concentration of 127 mg L -1 was excluded because of the extremely low adsorption capacity. Table S2 shows that the adsorption behavior of MIL-101(Cr)-SO 3 Ag fits better with pseudo-second-order model which indicates that the rate-limiting step may be the chemisorption process [37,38]. The value of k 2 at…”

Section: Characterization Of Mofsmentioning

confidence: 92%

Enhanced removal of iodide from water induced by a metal-incorporated porous metal–organic framework

Zhao

Han

et al. 2015

Applied Surface Science

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“…Previous studies have demonstrated that the adsorption process of metal ions would be influenced by the pH value of the initial 220 solution (pH 0 ). 48 Therefore, the measurements were further performed at different initial pH values. From Fig.…”

Section: Resultsmentioning

confidence: 99%

Selective removal of transition metal ions from aqueous solution by metal–organic frameworks

et al. 2015

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5Water stable Zr-based metal-organic frameworks (MOFs) with different functional groups were used for selective removal of Cu 2+ over Ni 2+ from aqueous solution. Due to the unique chelation effect of two carboxyl groups on the adjacent organic ligand as well as the Jahn-Teller effect, UiO-66(Zr)-2COOH exhibits the highest selectivity (up to about 27) for Cu 2+ /Ni 2+ in aqueous solution among the reported adsorbents as far as we know. In addition, the removal process is fast with less than 60 min for 10 equilibration, and the stability and regenerability are good. These results may be helpful not only for the efficient treatment of wastewater containing heavy transition metal ions, but also for metal enrichment and recycling.

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The stability and defluoridation performance of MOFs in fluoride solutions

Cited by 175 publications

References 64 publications

Water Purification: Adsorption over Metal‐Organic Frameworks

Water Purification: Adsorption over Metal‐Organic Frameworks

Enhanced removal of iodide from water induced by a metal-incorporated porous metal–organic framework

Selective removal of transition metal ions from aqueous solution by metal–organic frameworks

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