Journal ArticleDOI
Metal-organic frameworks: Challenges and opportunities for ion-exchange/sorption applications
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In this article, a review focused on metal-organic materials as sorbents for ions by surveying MOFs with respect to their exchange/sorption capacities in association with their synthesis and structural characteristics.About:
This article is published in Progress in Materials Science.The article was published on 2017-05-01. It has received 305 citations till now. The article focuses on the topics: Sorption.read more
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Metal–organic framework-based materials: superior adsorbents for the capture of toxic and radioactive metal ions
Jie Li,Jie Li,Xiangxue Wang,Guixia Zhao,Changlun Chen,Zhifang Chai,Ahmed Alsaedi,Tasawar Hayat,Xiangke Wang,Xiangke Wang,Xiangke Wang +10 more
TL;DR: This review focuses on recent progress in reported MOFs and MOF-based composites as superior adsorbents for the efficient removal of toxic and nuclear waste-related metal ions.
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Metal–organic framework technologies for water remediation: towards a sustainable ecosystem
TL;DR: In this paper, the authors have focused their attention on critically highlighting the latest developments achieved in the adsorptive removal of inorganic metal cations, inorganic acids, oxyanions/cations, nuclear wastes and other inorganic anions.
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Incorporation of UiO-66-NH2 MOF into the PAN/chitosan nanofibers for adsorption and membrane filtration of Pb(II), Cd(II) and Cr(VI) ions from aqueous solutions.
Sana Jamshidifard,Shahnaz Koushkbaghi,Seyedehgolshan Hosseini,Sina Rezaei,Alireza Karamipour,Azadeh Jafari Rad,Mohammad Irani +6 more
TL;DR: The high water flux and high metal ions removal within 18 h filtration time showed the high potential of PVDF/ PAN/chitosan/UiO-66-NH2 membrane for the removal of metal ions from aqueous solutions.
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Ultrafast and Efficient Extraction of Uranium from Seawater Using an Amidoxime Appended Metal-Organic Framework.
Long Chen,Zhuanling Bai,Lin Zhu,Linjuan Zhang,Yawen Cai,Yuxiang Li,Wei Liu,Yanlong Wang,Lanhua Chen,Juan Diwu,Jianqiang Wang,Zhifang Chai,Shuao Wang +12 more
TL;DR: The origin for the superior sorption capability was probed by extended X-ray absorption fine structure (EXAFS) analysis on the uranium-sorbed sample, suggesting multiple amidoxime ligands are able to chelate uranyl(VI) ions, forming a hexagonal bipyramid coordination geometry.
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Rational design, synthesis, adsorption principles and applications of metal oxide adsorbents: a review.
TL;DR: The basic principles of the adsorption process will be elucidated, including affecting factors, evaluation index, adsorbent mechanisms, and common kinetic and isotherm models, and key parameters affecting the Adsorption performance will be discussed.
References
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Perchlorate as an environmental contaminant.
TL;DR: Perchlorate anion (ClO4−) has been found in drinking water supplies throughout the southwestern United States and is primarily associated with releases of ammonium perchlorate by defense contractors, military operations, and aerospace programs.
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Investigations on the column performance of fluoride adsorption by activated alumina in a fixed-bed
Subhashini Ghorai,Kamal K. Pant +1 more
TL;DR: In this article, the removal of fluoride ions using activated alumina (AA) was investigated in batch and continuous operations, and the fluoride removal performance was investigated as a function of the fluoride concentration, flow rate, amount of adsorbent dose and pH.
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Superior removal of arsenic from water with zirconium metal-organic framework UiO-66.
TL;DR: The synthesized water stable zirconium metal-organic framework (UiO-66) has been synthesized and for the first time applied as an adsorbent to remove aquatic arsenic contamination and achieves a remarkable arsenate uptake capacity of 303 mg/g at the optimal pH, which is the highest arsenate As(V) adsorption capacity ever reported.
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Adsorption of metal ions onto Moroccan stevensite: kinetic and isotherm studies.
TL;DR: The aim of this paper is to study the adsorption of the heavy metals from aqueous solutions by a natural Moroccan stevensite called locally rhassoul, which shows mainly an ion-exchange mechanism.
Journal ArticleDOI
High Efficiency Adsorption and Removal of Selenate and Selenite from Water Using Metal–Organic Frameworks
Ashlee J. Howarth,Michael J. Katz,Timothy C. Wang,Ana E. Platero-Prats,Karena W. Chapman,Joseph T. Hupp,Omar K. Farha,Omar K. Farha +7 more
TL;DR: The mechanism of selenate and selenite adsorption on N U-1000 is explored to determine the important features that make NU-1000 a superior adsorbent for this application.