TY - JOUR
T1 - Bimetallic Oxide Nanohybrid Synthesized from Diatom Frustules for the Removal of Selenium from Water
AU - Thakkar, Megha
AU - Mitra, Somenath
N1 - Publisher Copyright:
© 2017 Megha Thakkar and Somenath Mitra.
PY - 2017
Y1 - 2017
N2 - Frustules or the rigid amorphous silica cell wall of unicellular, photosynthetic microalgae with unique porous architecture has been used to synthesize a composite by immobilizing zirconium and iron oxides on its surface and in the pores. This was effective for removal of Se from water, which is an emerging contaminant that is a micronutrient at low concentrations but toxic at high concentrations. The adsorption isotherms followed both Langmuir and Freundlich models, and the composite was regenerable. The Langmuir maximum adsorption capacity for Se(IV) (qm) was 227 mg/g, which is among the highest ever reported. The research findings highlight the synthesis of bimetallic composite as well as the potential of diatoms as hosts for nanomaterials for use in water treatment.
AB - Frustules or the rigid amorphous silica cell wall of unicellular, photosynthetic microalgae with unique porous architecture has been used to synthesize a composite by immobilizing zirconium and iron oxides on its surface and in the pores. This was effective for removal of Se from water, which is an emerging contaminant that is a micronutrient at low concentrations but toxic at high concentrations. The adsorption isotherms followed both Langmuir and Freundlich models, and the composite was regenerable. The Langmuir maximum adsorption capacity for Se(IV) (qm) was 227 mg/g, which is among the highest ever reported. The research findings highlight the synthesis of bimetallic composite as well as the potential of diatoms as hosts for nanomaterials for use in water treatment.
UR - http://www.scopus.com/inward/record.url?scp=85045935966&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85045935966&partnerID=8YFLogxK
U2 - 10.1155/2017/1734643
DO - 10.1155/2017/1734643
M3 - Article
AN - SCOPUS:85045935966
SN - 1687-4110
VL - 2017
JO - Journal of Nanomaterials
JF - Journal of Nanomaterials
M1 - 1734643
ER -