Title:
CERIUM-MANGANESE COMPOSITE OXIDE CATALYST AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/004640
Kind Code:
A1
Abstract:
Disclosed are a cerium-manganese composite oxide catalyst and a preparation method therefor. Disclosed in embodiments is a method for preparing a cerium-manganese composite oxide catalyst CeMn10Ox, wherein Ce exists in a III or IV valence, and Mn exists in a III or IV valence. The method comprises: mixing a divalent manganese source, a trivalent cerium source, potassium permanganate and water under the condition of pH 4-5, and adding same into a reactor to obtain a mixture; heating the reactor to 90°C-110°C by cyclically heating conduction oil, and stirring the mixture at the same time, to obtain a cerium-manganese composite oxide catalyst precursor; and adding water into the cerium-manganese composite oxide catalyst precursor for washing, standing, removing a supernatant, and drying to obtain a cerium-manganese composite oxide catalyst. The preparation method realizes industrial-grade preparation of the cerium-manganese composite oxide catalyst, and the synthesized catalyst shows excellent ozone catalytic decomposition activity.
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Inventors:
HE HONG (CN)
MA JINZHU (CN)
WEI DANIEL (CN)
LIN CHAO-HSIN (US)
MA JINZHU (CN)
WEI DANIEL (CN)
LIN CHAO-HSIN (US)
Application Number:
PCT/CN2021/109036
Publication Date:
February 02, 2023
Filing Date:
July 28, 2021
Export Citation:
Assignee:
BOEING CO (US)
RES CENTER FOR ECO EVIRONMENTAL SCIENCES (CN)
RES CENTER FOR ECO EVIRONMENTAL SCIENCES (CN)
International Classes:
B01J23/34; B01D53/66; B01D53/86
Foreign References:
| CN104001502A | 2014-08-27 | |||
| CN107519861A | 2017-12-29 | |||
| CN102218327A | 2011-10-19 | |||
| EP0014413A1 | 1980-08-20 | |||
| US20140291250A1 | 2014-10-02 | |||
| CN111974380A | 2020-11-24 |
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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