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Advanced material and approach for metal ions removal from aqueous solutions

Scientific reports, 2015-03, Vol.5 (1), p.8992, Article 8992 [Peer Reviewed Journal]

Copyright Nature Publishing Group Mar 2015 ;Copyright © 2015, Macmillan Publishers Limited. All rights reserved 2015 Macmillan Publishers Limited. All rights reserved ;ISSN: 2045-2322 ;EISSN: 2045-2322 ;DOI: 10.1038/srep08992 ;PMID: 25758924

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  • Title:
    Advanced material and approach for metal ions removal from aqueous solutions
  • Author: Turhanen, Petri A ; Vepsäläinen, Jouko J ; Peräniemi, Sirpa
  • Subjects: Adsorption ; Aqueous solutions ; Cations ; Groundwater ; Hydrogen-Ion Concentration ; Ions - chemistry ; Metals ; Metals, Heavy - chemistry ; Organophosphonates - metabolism ; Sodium chloride ; Solutions - chemistry ; Waste Water - chemistry ; Water Purification - methods
  • Is Part Of: Scientific reports, 2015-03, Vol.5 (1), p.8992, Article 8992
  • Description: A Novel approach to remove metals from aqueous solutions has been developed. The method is based on a resin free, solid, non-toxic, microcrystalline bisphosphonate material, which has very low solubility in water (59 mg/l to ion free Milli-Q water and 13 mg/l to 3.5% NaCl solution). The material has been produced almost quantitatively on a 1 kg scale (it has been prepared also on a pilot scale, ca. 7 kg) and tested successfully for its ability to collect metal cations from different sources, such as ground water and mining process waters. Not only was this material highly efficient at collecting several metal ions out of solution it also proved to be regenerable and reusable over a number of adsorption/desorption, which is crucial for environmental friendliness. This material has several advantages compared to the currently used approaches, such as no need for any precipitation step.
  • Publisher: England: Nature Publishing Group
  • Language: English
  • Identifier: ISSN: 2045-2322
    EISSN: 2045-2322
    DOI: 10.1038/srep08992
    PMID: 25758924
  • Source: MEDLINE
    PubMed Central
    ProQuest Central
    DOAJ Directory of Open Access Journals
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