Hydrothermal deposition as a novel method for the preparation of Co–Mn mixed oxide catalysts supported on stainless steel meshes: application to VOC oxidation.

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985858%3A_____%2F22%3A00545045" target="_blank" >RIV/67985858:_____/22:00545045 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60461373:22310/22:43923222

Výsledek na webu

<a href="http://hdl.handle.net/11104/0321823" target="_blank" >http://hdl.handle.net/11104/0321823</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s11356-021-15906-y" target="_blank" >10.1007/s11356-021-15906-y</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Hydrothermal deposition as a novel method for the preparation of Co–Mn mixed oxide catalysts supported on stainless steel meshes: application to VOC oxidation.

Popis výsledku v původním jazyce

The aim of this work was to develop a novel method for the preparation of structured Co–Mn mixed oxide catalysts: deposition on stainless steel meshes by hydrothermal synthesis. The use of meshes enabled the deposition of a thin layer of the active phase, which significantly suppressed the influence of internal diffusion. Consequently, the prepared catalysts exhibited from 48 to 114 times higher catalytic activity in ethanol oxidation than the commercial pelleted Co–Mn–Al catalyst. Moreover, we have shown that their catalytic activity correlated with the proportion of surface oxygen vacancies determined by XPS. Finally, the outstanding activity of the catalyst with Co:Mn ratio of 0.5 was ascribed to the mutual effect of high number of oxygen vacancies and exceptional redox properties.

Název v anglickém jazyce

Hydrothermal deposition as a novel method for the preparation of Co–Mn mixed oxide catalysts supported on stainless steel meshes: application to VOC oxidation.

Popis výsledku anglicky

The aim of this work was to develop a novel method for the preparation of structured Co–Mn mixed oxide catalysts: deposition on stainless steel meshes by hydrothermal synthesis. The use of meshes enabled the deposition of a thin layer of the active phase, which significantly suppressed the influence of internal diffusion. Consequently, the prepared catalysts exhibited from 48 to 114 times higher catalytic activity in ethanol oxidation than the commercial pelleted Co–Mn–Al catalyst. Moreover, we have shown that their catalytic activity correlated with the proportion of surface oxygen vacancies determined by XPS. Finally, the outstanding activity of the catalyst with Co:Mn ratio of 0.5 was ascribed to the mutual effect of high number of oxygen vacancies and exceptional redox properties.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10403 - Physical chemistry

Projekt

<a href="/cs/project/GA21-04477S" target="_blank" >GA21-04477S: Inovativní plazmově-chemická a chemická syntéza katalyzátorů na bázi směsných oxidů niklu pro oxidaci těkavých organických polutantů</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Environmental Science and Pollution Research

ISSN

0944-1344

e-ISSN

1614-7499

Svazek periodika

29

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

12

Strana od-do

5172-5183

Kód UT WoS článku

000686864600012

EID výsledku v databázi Scopus

2-s2.0-85113185669