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231225s2021 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2021.340
|2 doi
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|a pubmed24n1106.xml
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|a (DE-627)NLM332025977
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|a DE-627
|b ger
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|e rakwb
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|a eng
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1 |
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|a Nie, Rong
|e verfasserin
|4 aut
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|a Removal of multiple metal ions from wastewater by a multifunctional metal-organic-framework based trap
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 20.10.2021
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|a Date Revised 07.12.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a The design and preparation of multifunctional adsorbent for practical wastewater treatment is still an enormous challenge. To remove multiple metal ions from wastewater, we developed a broad-spectrum metal ions trap named UIO-67-EDTA by incorporation of ethylenediaminetetraacetic acid into robust UIO-67. The adsorption experiments for 15 kinds of heavy metal ions including hard acid (Mn2+, Ba2+, Al3+, Cr3+, Fe3+), borderline acid (Co2+, Ni2+, Cu2+, Zn2+, Pb2+, Sn2+, Bi2+), soft acid (Ag+, Cd2+, Hg2+), and two kinds of dissolved minerals (Mg2+, Ca2+) show that the trap is very effective both in batch adsorption processes and breakthrough processes. At a pH value of 4.0, the removal efficiency for all metal ions was over 98% within 10 min, and the maximum static adsorption capacity for the representative metal ions Cr3+, Hg2+and Pb2+ was up to 416.67, 256.41, and 312.15 mg g-1, respectively. The adsorption kinetics fitted well with the pseudo-second-order model, indicating that the chemical adsorption was the rate-determining step in the adsorption process. Meanwhile, the material showed high stability and recyclability, the removal efficiency for the three representative metals was still maintained over 93% after five consecutive adsorption cycles
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|a Journal Article
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|a Ions
|2 NLM
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|a Metal-Organic Frameworks
|2 NLM
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|a Metals, Heavy
|2 NLM
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|a Waste Water
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a Yang, Cailing
|e verfasserin
|4 aut
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|a Zhang, Jing
|e verfasserin
|4 aut
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|a Dong, Kun
|e verfasserin
|4 aut
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|a Zhao, Guohu
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 84(2021), 7 vom: 11. Okt., Seite 1594-1607
|w (DE-627)NLM098149431
|x 0273-1223
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|g volume:84
|g year:2021
|g number:7
|g day:11
|g month:10
|g pages:1594-1607
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|u http://dx.doi.org/10.2166/wst.2021.340
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