Polyamidoamine dendronized hollow fiber membranes in the recovery of heavy metal ions

Qian Zhang; Na Wang; Libo Zhao; Tongwen Xu; Yiyun Cheng

doi:10.1021/am400155b

Polyamidoamine dendronized hollow fiber membranes in the recovery of heavy metal ions

Qian Zhang, Na Wang, Libo Zhao, Tongwen Xu, Yiyun Cheng

School of Life Sciences

University of Science and Technology of China

Research output: Contribution to journal › Article › peer-review

98 Scopus citations

Abstract

Polyamidoamine (PAMAM) dendronized hollow fiber membranes (HFMs) were synthesized and used in the recovery of heavy metal ions. The dendronized HFMs showed strong binding ability with Cu²⁺, Pb²⁺, and Cd ²⁺ ions. Generation 3 (G3) PAMAM dendronized HFM (G3-HFM) retained 72% of its Cu²⁺ binding capacity after five cycles of use and recovery. Interestingly, Cu₂(OH)₃Cl, Pb ₃(CO₃)₂(OH)₂, and CdCO₃ crystals were grown on G3-HFM surface when G3-HFMs were immersed in CuCl ₂, Pb(NO3)₂, and CdCl₂ solutions, respectively, while no crystal was observed with nonmodified HFMs. The results provide new insights into the applications of membrane-supported dendrimers in the recovery of heavy metal ions.

Original language	English
Pages (from-to)	1907-1912
Number of pages	6
Journal	ACS Applied Materials and Interfaces
Volume	5
Issue number	6
DOIs	https://doi.org/10.1021/am400155b
State	Published - 27 Mar 2013

Keywords

PAMAM
dendrimer
dendron
heavy metal ion
hollow fiber membrane
nanocrystal

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10.1021/am400155b

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title = "Polyamidoamine dendronized hollow fiber membranes in the recovery of heavy metal ions",

abstract = "Polyamidoamine (PAMAM) dendronized hollow fiber membranes (HFMs) were synthesized and used in the recovery of heavy metal ions. The dendronized HFMs showed strong binding ability with Cu2+, Pb2+, and Cd 2+ ions. Generation 3 (G3) PAMAM dendronized HFM (G3-HFM) retained 72\% of its Cu2+ binding capacity after five cycles of use and recovery. Interestingly, Cu2(OH)3Cl, Pb 3(CO3)2(OH)2, and CdCO3 crystals were grown on G3-HFM surface when G3-HFMs were immersed in CuCl 2, Pb(NO3)2, and CdCl2 solutions, respectively, while no crystal was observed with nonmodified HFMs. The results provide new insights into the applications of membrane-supported dendrimers in the recovery of heavy metal ions.",

keywords = "PAMAM, dendrimer, dendron, heavy metal ion, hollow fiber membrane, nanocrystal",

author = "Qian Zhang and Na Wang and Libo Zhao and Tongwen Xu and Yiyun Cheng",

year = "2013",

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day = "27",

doi = "10.1021/am400155b",

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journal = "ACS Applied Materials and Interfaces",

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TY - JOUR

T1 - Polyamidoamine dendronized hollow fiber membranes in the recovery of heavy metal ions

AU - Zhang, Qian

AU - Wang, Na

AU - Zhao, Libo

AU - Xu, Tongwen

AU - Cheng, Yiyun

PY - 2013/3/27

Y1 - 2013/3/27

N2 - Polyamidoamine (PAMAM) dendronized hollow fiber membranes (HFMs) were synthesized and used in the recovery of heavy metal ions. The dendronized HFMs showed strong binding ability with Cu2+, Pb2+, and Cd 2+ ions. Generation 3 (G3) PAMAM dendronized HFM (G3-HFM) retained 72% of its Cu2+ binding capacity after five cycles of use and recovery. Interestingly, Cu2(OH)3Cl, Pb 3(CO3)2(OH)2, and CdCO3 crystals were grown on G3-HFM surface when G3-HFMs were immersed in CuCl 2, Pb(NO3)2, and CdCl2 solutions, respectively, while no crystal was observed with nonmodified HFMs. The results provide new insights into the applications of membrane-supported dendrimers in the recovery of heavy metal ions.

AB - Polyamidoamine (PAMAM) dendronized hollow fiber membranes (HFMs) were synthesized and used in the recovery of heavy metal ions. The dendronized HFMs showed strong binding ability with Cu2+, Pb2+, and Cd 2+ ions. Generation 3 (G3) PAMAM dendronized HFM (G3-HFM) retained 72% of its Cu2+ binding capacity after five cycles of use and recovery. Interestingly, Cu2(OH)3Cl, Pb 3(CO3)2(OH)2, and CdCO3 crystals were grown on G3-HFM surface when G3-HFMs were immersed in CuCl 2, Pb(NO3)2, and CdCl2 solutions, respectively, while no crystal was observed with nonmodified HFMs. The results provide new insights into the applications of membrane-supported dendrimers in the recovery of heavy metal ions.

KW - PAMAM

KW - dendrimer

KW - dendron

KW - heavy metal ion

KW - hollow fiber membrane

KW - nanocrystal

UR - https://www.scopus.com/pages/publications/84875694405

U2 - 10.1021/am400155b

DO - 10.1021/am400155b

M3 - 文章

C2 - 23470134

AN - SCOPUS:84875694405

SN - 1944-8244

VL - 5

SP - 1907

EP - 1912

JO - ACS Applied Materials and Interfaces

JF - ACS Applied Materials and Interfaces

IS - 6

ER -

Polyamidoamine dendronized hollow fiber membranes in the recovery of heavy metal ions

Abstract

Keywords

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