Title:
METHOD FOR PREPARING CARBONIZED SILK PHOTOCATALYST AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/027491
Kind Code:
A1
Abstract:
Disclosed is a method for preparing a carbonized silk photocatalyst, the method comprising soaking a natural silk and an activator in water, taking out the soaked silk, drying same, and roasting the dried silk under the protection of an inert atmosphere to prepare a photocatalyst. Also disclosed is a method for the photocatalytic desulfurization of a fuel oil, the method comprising mixing a fuel oil to be desulfurated, an extraction agent and a carbonized silk photocatalyst, with air being used as an oxidizing agent, subjecting same to a photocatalytic reaction under light irradiation, and separating an upper oil phase to obtain a desulfurated fuel oil. The catalyst has a simple preparation process, and can effectively reduce dibenzothiophene sulfides, which are difficult to remove, in the fuel oil under UV light radiation. Desulfurization can be achieved at room temperature, and the reaction conditions are mild. Using air as an oxidizing agent without adding explosive peroxides reduces potential safety hazards. The catalyst has a good application value in the desulfurization of a fuel oil.
Inventors:
ZENG XINGYE (CN)
CHEN ZHENXIONG (CN)
WANG HANLU (CN)
ZHANG ZHANJUN (CN)
WU SHIKUI (CN)
CHEN ZHENXIONG (CN)
WANG HANLU (CN)
ZHANG ZHANJUN (CN)
WU SHIKUI (CN)
Application Number:
PCT/CN2020/102830
Publication Date:
February 18, 2021
Filing Date:
July 17, 2020
Export Citation:
Assignee:
UNIV GUANGDONG PETROCHEM TECH (CN)
International Classes:
B01J37/06; B01J21/18; B01J31/02; B01J31/04; B01J31/18; B01J35/06; B01J37/08; B01J37/28; C10G27/04; C10G32/04
Foreign References:
| CN110560177A | 2019-12-13 | |||
| CN105845954A | 2016-08-10 | |||
| CN102614904A | 2012-08-01 | |||
| CN103252214A | 2013-08-21 | |||
| CN105016324A | 2015-11-04 | |||
| CN101376821A | 2009-03-04 | |||
| JP2000288339A | 2000-10-17 |
Other References:
WANG, QINGFA ET AL.: "“Silk-derived graphene-like carbon with high electrocatalytic activity for oxygen reduction reaction”", RSC ADVANCES, vol. 6, no. 41, 29 March 2016 (2016-03-29), pages 34219 - 34224, XP055779791, ISSN: 2046-2069
ZENG, XINGYE ET AL.: ""Deep desulfurization of liquid fuels with molecular oxygen through graphene photocatalytic oxidation"", APPLIED CATALYSIS B: ENVIRONMENTAL, 1 March 2017 (2017-03-01), XP029981752, ISSN: 0926-3373, DOI: 20200925143832A
ZENG, XINGYE ET AL.: ""Deep desulfurization of liquid fuels with molecular oxygen through graphene photocatalytic oxidation"", APPLIED CATALYSIS B: ENVIRONMENTAL, 1 March 2017 (2017-03-01), XP029981752, ISSN: 0926-3373, DOI: 20200925143832A
Attorney, Agent or Firm:
JIAQUAN IP LAW (CN)
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