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Title: Adsorptive removal of Sb(V) from water using a mesoporous Zr-based metal–organic framework

Journal Article · · Polyhedron
 [1];  [2];  [1];  [1];  [3];  [3];  [4]
  1. Northwestern Univ., Evanston, IL (United States). Dept. of Chemistry
  2. Northwestern Univ., Evanston, IL (United States). Dept. of Chemistry; Concordia Univ., Montreal, QC (Canada). Dept. of Chemistry and Biochemistry
  3. Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS) and X-ray Science Division
  4. Northwestern Univ., Evanston, IL (United States). Dept. of Chemistry; King Abdulaziz Univ., Jeddah (Saudi Arabia). Dept. of Chemistry and Faculty of Science

Here, the adsorption and removal of Sb(OH)6- from water using the water stable Zr6-based MOF, NU-1000, is explored. The adsorption capacity and uptake time of Sb(OH)6- in NU-1000 is measured at varying concentrations to determine an overall maximum adsorption capacity of 260 mg of Sb(OH)6- per g of MOF, corresponding to 2.5 Sb(OH)6- per node of NU-1000 and exhibiting the highest adsorption capacity of any material reported to date for Sb(V) removal. Differential pair distribution function (dPDF) analysis of total X-ray scattering data reveals that Sb(OH)6- interacts in an η2μ2 fashion with the Zr6-node of NU-1000, and that as the amount of Sb(OH)6- adsorbed increases, the interaction between the analyte and the node becomes stronger. Post-adsorption characterization shows that NU-1000 remains stable throughout the adsorption process.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division; Electric Power Research Inst. (EPRI), Palo Alto, CA (United States)
Grant/Contract Number:
AC02-06CH11357; AC02- 06CH11357
OSTI ID:
1474406
Alternate ID(s):
OSTI ID: 1562992
Journal Information:
Polyhedron, Vol. 151, Issue C; ISSN 0277-5387
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 36 works
Citation information provided by
Web of Science

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Cited By (5)

Performance of metal–organic frameworks for the adsorptive removal of potentially toxic elements in a water system: a critical review journal January 2019
Novel Schiff base-functionalized metal–organic framework nanoparticles for dispersive solid phase extraction of copper ions from vegetable and water samples journal January 2019
Efficient extraction of inorganic selenium from water by a Zr metal–organic framework: investigation of volumetric uptake capacity and binding motifs journal January 2018
Recent Progress in the Removal of Heavy Metal Ions from Water Using Metal‐Organic Frameworks journal January 2020
Green applications of metal–organic frameworks journal January 2018

Figures / Tables (5)