Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 185, Issue -, Pages 353-361Publisher
ELSEVIER
DOI: 10.1016/j.apcatb.2015.12.038
Keywords
Hierarchical zeolite; Heterogeneous Fenton-type catalyst; Fe-silicalite; EDTA oxidation; Radiocobalt removal
Funding
- Russian Scientific Foundation [14-13-01155]
- Skolkovo Foundation [3]
- Russian Science Foundation [14-13-01155] Funding Source: Russian Science Foundation
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Fe-silicalite nano- and microcrystals as heterogeneous Fenton-type catalysts have been synthesized and characterized by dynamic light scattering, X-ray diffraction, scanning and transmission electron microscopy, nitrogen adsorption measurements, inductively coupled plasma optical emission spectrometry, UV visible diffuse reflectance spectroscopy and temperature-programmed desorption of ammonia. Catalytic performance of Fe-silicalites was studied in mineralization of EDTA by H2O2 at 303-353 K and Co-60 removal from EDTA chelates. The effect of activation by the acid treatment on the state of active sites, catalytic activity and stability of Fe-silicalites was studied. Fe-silicalites nanocrystals are more efficient catalysts vs. microcrystals due to enhanced catalytic sites accessibility. (C) 2015 Elsevier B.V. All rights reserved.
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