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Rapid, green and inexpensive synthesis of high quality UiO-66 amino-functionalized materials with exceptional capability for removal of hexavalent chromium from industrial waste

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Inorganic Chemistry Frontiers Vol - 3 Issue - 4

Inorganic Chemistry Frontiers Vol - 3 Issue - 3

Inorganic Chemistry Frontiers Vol - 3 Issue - 2

Inorganic Chemistry Frontiers Vol -2

Inorganic Chemistry Frontiers Vol -1

Rapid, green and inexpensive synthesis of high quality UiO-66 amino-functionalized materials with exceptional capability for removal of hexavalent chromium from industrial waste

Content Provider	Royal Society of Chemistry (RSC)
Author	Armatas, Gerasimos S. Hassan, Youssef S. Sarma, Debajit Pournara, Anastasia Kanatzidis, Mercouri G. Rapti, Sofia Alkordi, Mohamed H. Papadas, Ioannis T. Manos, Manolis J.
Copyright Year	2016
Abstract	We describe a new synthetic method for the isolation of the UiO-66 amino-functionalized material (called metal organic resin-1, MOR-1) and its composite with alginic acid (HA). MOR-1 can be prepared in high yield (∼70%) and purity within an hour via a reflux reaction of ZrCl4 and 2-amino-terephthalic acid in acifidied aqueous solution, whereas addition of sodium alginate to the fine suspension of MOR-1 resulting from the reflux synthesis affords the MOR-1-HA composite. This inexpensive, green and fast preparation method results in UiO-66 amino-functionalized materials (MOR-1 and MOR-1-HA) of the same quality and microporous features as those of compounds isolated with the slower solvothermal synthesis involving toxic and costly organic solvents. Field Emission-Scanning Electron Microscopy (FE-SEM) studies revealed that MOR-1 consists of spongy nanoparticles (150–300 nm in size), whereas MOR-1-HA nanoparticles are relatively compact. Thus, for the first time we could visualize the effect of alginic acid partially coating the surface of the MOR particles. The composite prepared by this method can be successfully utilized as a stationary phase, mixed with sand, in an anion-exchange column. The column shows excellent hexavalent chromium sorption properties and can be easily regenerated and reused several times with almost no loss of its initial Cr(VI) removal capacity. Remarkably, this ion exchange column is capable of eliminating Cr(VI) ions from chrome plating wastewater samples, thus indicating its potential for applications in industrial wastewater treatment.
Starting Page	635
Ending Page	644
Page Count	10
File Format	HTM / HTML PDF
ISSN	20521553
Volume Number	3
Issue Number	5
Journal	Inorganic Chemistry Frontiers
DOI	10.1039/c5qi00303b
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Scanning Electron Microscopy Resin Museum of the Rockies Acid Alginic acid Chromatography Chromium Sorption Ion Wastewater Industrial wastewater treatment
Content Type	Text
Resource Type	Article
Subject	Inorganic Chemistry

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Rapid, green and inexpensive synthesis of high quality UiO-66 amino-functionalized materials with exceptional capability for removal of hexavalent chromium from industrial waste

Selective capture of hexavalent chromium from an anion-exchange column of metal organic resin–alginic acid composite

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Removal of hexavalent chromium from aqueous solutions by ion-exchange resin.

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Acid-functionalized UiO-66(Zr) MOFs and their evolution after intra-framework cross-linking: structural features and sorption properties

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Correction: Selective capture of hexavalent chromium from an anion-exchange column of metal organic resin–alginic acid composite

Rapid, green and inexpensive synthesis of high quality UiO-66 amino-functionalized materials with exceptional capability for removal of hexavalent chromium from industrial waste

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Rapid, green and inexpensive synthesis of high quality UiO-66 amino-functionalized materials with exceptional capability for removal of hexavalent chromium from industrial waste