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Adsorption Behavior of Platinum Group Metals (Pd, Pt, Rh) onNonylthiourea-Coated Fe3O4 Nanoparticles
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
KTH, School of Chemical Science and Engineering (CHE), Chemistry.
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2006 (English)In: Separation science and technology (Print), ISSN 0149-6395, E-ISSN 1520-5754, Vol. 41, 909-923 p.Article in journal (Refereed) Published
Abstract [en]

Magnetite nanoparticles coated with nonylthiourea (NTH) were synthesizedand analyzed for the separation and recovery of platinum group metals (PGMs) fromdiluted aqueous chloride solutions. Physical characterizations of the coated nanoparticleswere performed by Transmission Electron Microscopy (TEM), ThermogravimetricAnalysis (TGA) and FT-IR Spectrometry. Separation efficiency of the coatednanoparticles and the equilibrium adsorption isotherm of PGMs were investigated.The maximum adsorption was attained in less than 30 minutes, and the maximumloading capacity of NTH-coated Fe3O4 nanoparticles for Pt(IV) and Pd(II) was determinedto be 10.7 and 8.1 mg g21, respectively. The recovery of PGMs from the loadednanoparticles was examined using different eluting solutions, including HNO3,thiourea, and NaClO4.

Place, publisher, year, edition, pages
2006. Vol. 41, 909-923 p.
Keyword [en]
Adsorption, platinum group metals, magnetite nanoparticles, nonylthiourea
National Category
Materials Chemistry
Identifiers
URN: urn:nbn:se:kth:diva-24724DOI: 10.1080/01496390600588952ISI: 000236741500008Scopus ID: 2-s2.0-33646365402OAI: oai:DiVA.org:kth-24724DiVA: diva2:353018
Note
QC 20100923Available from: 2010-09-23 Created: 2010-09-23 Last updated: 2017-12-12Bibliographically approved
In thesis
1. Selective Separation of Metal Ions by Solvent Extraction, Liquid Membranes and Magnetic Nanoparticles
Open this publication in new window or tab >>Selective Separation of Metal Ions by Solvent Extraction, Liquid Membranes and Magnetic Nanoparticles
2006 (English)Doctoral thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH, 2006. xvi, 50 p.
Keyword
solvent extraction, facilitated transport, Pt(IV), Pd(II), Ph(III), permeation medelling, thermodynamic modelling
National Category
Materials Chemistry
Identifiers
urn:nbn:se:kth:diva-3871 (URN)91-7178-218-8 (ISBN)
Public defence
2006-03-17, Salongen, KTHB, Osquars backe 31, Stockholm, 10:00
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Note
QC 20100924Available from: 2006-03-08 Created: 2006-03-08 Last updated: 2010-09-24Bibliographically approved

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