Mesoporous cerium oxide for fast degradation of aryl organophosphate flame retardant triphenyl phosphate
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F44555601%3A13520%2F19%3A43894745" target="_blank" >RIV/44555601:13520/19:43894745 - isvavai.cz</a>
Alternative codes found
RIV/61388980:_____/19:00509885
Result on the web
<a href="https://pubs.rsc.org/en/content/articlelanding/2019/RA/C9RA06575J#!divAbstract" target="_blank" >https://pubs.rsc.org/en/content/articlelanding/2019/RA/C9RA06575J#!divAbstract</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1039/c9ra06575j" target="_blank" >10.1039/c9ra06575j</a>
Alternative languages
Result language
angličtina
Original language name
Mesoporous cerium oxide for fast degradation of aryl organophosphate flame retardant triphenyl phosphate
Original language description
Cerium oxide nanoparticles were prepared by calcination of basic cerous carbonate (as a precursor) obtained by precipitation from an aqueous solution. Prepared samples were characterized by X-ray diffraction (XRD), infrared spectroscopy (FTIR), high resolution scanning electron microscopy (HRSEM), BET (Brunauer-Emmett-Teller) surface area and porosity measurement. Prepared cerium oxide was applied as a destructive sorbent for the fast and safe degradation of organophosphorus flame retardant triphenyl phosphate (TPP). It was shown that cerium dioxide was effective in the decomposition of TPP by cleavage of the P-O-aryl bond in the flame retardant molecule. A degradation mechanism for TPP on the ceria surface was proposed. The degradation is governed by conversion of TPP via diphenyl phosphate (DPP) to the final product identified as phenol (Ph). The key parameter increasing the degradation efficiency of CeO2 is the temperature of calcination. At optimum calcination temperature (500 C), the produced ceria retains a sufficiently high surface area and attains an optimum degree of crystallinity (related to a number of crystal defects, and thus potential reactive sites). The fast and efficient degradation of organophosphorus flame retardant TPP was observed in a polar aprotic solvent (acetonitrile) that is miscible with water.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
21001 - Nano-materials (production and properties)
Result continuities
Project
<a href="/en/project/TG02010049" target="_blank" >TG02010049: COMNID: Support of the transfer of the apllied research results into new products and services</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
RSC Advances
ISSN
2046-2069
e-ISSN
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Volume of the periodical
2019
Issue of the periodical within the volume
9
Country of publishing house
GB - UNITED KINGDOM
Number of pages
8
Pages from-to
32058-32065
UT code for WoS article
000490133300030
EID of the result in the Scopus database
2-s2.0-85073419608