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- Title
Synthesis and characterization of mackinawite nanocrystals (FeS m ) and their application in recovery of aqueous Hg(II) solution.
- Authors
Alshehri, Saad M.; Aldalbahi, Ali; Ahamad, Tansir; Alhokbany, Norah
- Abstract
Stabilized FeSm(Mackinawite) nanocrystals have been synthesized by hydrothermal treatment of single precursor polymer metal complex. The polymer metal complex was prepared by the reaction of thiourea-formaldehyde resin with metal Fe(II) ion. The synthesized FeSmnanocrystals were characterized by X-ray spectrometry and electronic microscopy. The transmission electron microscopy micrographs showed needle shaped nanocrystals and the thickness and length of these nanocrystals were found to be 12 ± 3 and 120 ± 5 nm, respectively. The lattice fringes in the HRTEM images, withd-spacing 0.521 ± 0.005 nm very close to (0 0 1) plane of mackinawite nature. The interaction between aqueous Hg(II) and synthetic FeSmwas studied via batch sorption experiments. The maximum absorption capacity of FeSmhas been found with 0.001:0.08 M ratio of Hg(II) and FeSm,while the minimum absorption capacity was found with 0.001:0.005 M ratio of Hg(II) and FeSmand removed only 60% of Hg(II) from aqueous solution. Batch studies revealed that FeSmnanocrystals were effectively remove Hg(II) from aqueous solution along a broad pH range.
- Subjects
CHEMICAL synthesis; MACKINAWITE; NANOPARTICLES; NANOCRYSTALS; IRON sulfides
- Publication
Desalination & Water Treatment, 2016, Vol 57, Issue 14, p6594
- ISSN
1944-3994
- Publication type
Article
- DOI
10.1080/19443994.2015.1025432