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Title:
METHOD FOR PREPARING TRICOBALT TETRAOXIDE NANOSHEET BY MEANS OF DOUBLE-CONFINEMENT OF MOF-CO AND BIOTEMPLATE
Document Type and Number:
WIPO Patent Application WO/2021/017049
Kind Code:
A1
Abstract:
Disclosed is a method for preparing a tricobalt tetraoxide nanosheet by means of double-confinement of MOF-Co and a biotemplate, comprising: subjecting a cobalt-organic skeleton compound and peeled straw/leaves/petals to a thermal treatment in an air atmosphere with same as double-templates, subjecting maize straw with a cobalt-metal-organic skeleton compound attached thereto to high-temperature calcination in a certain atmosphere, in order to finally obtain a tricobalt tetraoxide catalyst. Due to the common confinement action of the derivation of the cobalt-organic skeleton compound and the biotemplate, the tricobalt tetraoxide prepared by the preparation method is of a fractional nanosheet structure composed of particles of 3-15 nm, wherein the catalytic cobalt active sites are uniformly distributed across the whole nanosheet, and the cobalt active sites in a unit mass catalyst are abundant in number and are uniformly distributed. By degrading oxytetracycline by activating PMS, this confirms that the resulting tricobalt tetraoxide nanosheet catalyst has a better catalytic performance and physicochemical stability.

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Inventors:
LI ZHILIN (CN)
JIN CHONGYUE (CN)
WANG MIN (CN)
Application Number:
PCT/CN2019/101676
Publication Date:
February 04, 2021
Filing Date:
August 21, 2019
Export Citation:
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Assignee:
UNIV NORTHEASTERN (CN)
International Classes:
C01G51/04; B01J23/75; B01J37/08; B82Y40/00; C02F1/72
Domestic Patent References:
WO2017090057A12017-06-01
Foreign References:
CN108339525A2018-07-31
CN109809498A2019-05-28
CN109516507A2019-03-26
CN105289529A2016-02-03
CN109126802A2019-01-04
CN105600837A2016-05-25
Attorney, Agent or Firm:
SHENYANG DONGDA INTELLECTUAL PROPERTY AGENCY CO., LTD (CN)
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