Synthesis of Nanostructured Bimetallic Particles in Polyligand-Functionalized Membranes for Remediation Applications

Jian Xu, Leonidas Bachas, Dibakar Bhattacharyya

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

10 Scopus citations

Abstract

The creation and development of nanosized materials have brought important and promising techniques into the field of environmental remediation of chlorinated organics. Extensive studies have been reported on the degradation of toxic chlorinated organics with non-immobilized Fe0 based bulk/nanoparticles. Work involving reductive dechlorination involved the use of bimetallic (Fe/Ni and Fe/Pd) nanoparticle systems, both membrane-supported and direct aqueous-phase synthesis. The nanosized metals precipitated from solutions are extremely reactive due to their high surface energy, and they usually form aggregates without the protection of their surface. Therefore, immobilization of metal nanoparticles in polymer membrane (such as cellulose acetate, polyvinylidene fluoride (PVDF), polysulfone, chitosan, etc.) media is important from the point of view of reactivity, organic partitioning, preventing loss of nanoparticles, and reduction of surface passivation. Another major advantage of having a polymer domain is that nanoparticles (without causing agglomeration) can be directly synthesized in the matrix.

Original languageEnglish
Title of host publicationNanotechnology Applications for Clean Water
Pages311-335
Number of pages25
DOIs
StatePublished - 2009

Bibliographical note

Funding Information:
This study was supported by the NIEHS-SBRP (P42ES007380) program, and by DOE-KRCEE (DE-FG05-03OR23032). We thank Dr. Alan Dozier for the assistance with TEM and STEM-EDS mapping analysis and John May, Tricia Coakley from UK Environmental Research and Training Laboratory (ERTL) for GC-MS and ICP-AES analytical support.

ASJC Scopus subject areas

  • General Chemical Engineering

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