Title:
METHOD FOR PREPARING CARBON NANOTUBE BY CATALYTIC CRACKING OF METHANOL OR PROPYLENE
Document Type and Number:
WIPO Patent Application WO/2023/173352
Kind Code:
A1
Abstract:
A method for preparing a carbon nanotube by catalytic cracking of methanol or propylene. An aluminum oxide titanium carrier (γ-Al2O3-TiO2) is activated by ammonium carbonate and a hydrogen peroxide solution, and then a transition metal element cobalt is loaded by adopting a homogeneous precipitation method, so that the utilization rate of cobalt is increased. The mechanical strength and bulk density of a catalyst are improved by preparing a single crystal catalyst, crushing and pulverization in the catalytic cracking reaction process are reduced, and the activity of the catalyst is high; the carbon nanotube is prepared by high-temperature catalytic cracking of methanol and propylene by means of a fluidized bed, and the process is simple and easy to operate.
Inventors:
SHEN YUDONG (CN)
QI ZHENZHEN (CN)
QI ZHENZHEN (CN)
Application Number:
PCT/CN2022/081392
Publication Date:
September 21, 2023
Filing Date:
March 17, 2022
Export Citation:
Assignee:
WUXI DONGHENG NEW ENERGY TECH CO LTD (CN)
International Classes:
C01B32/162; B01J23/882; B01J35/02; B82Y30/00; B82Y40/00
Foreign References:
| CN109626357A | 2019-04-16 | |||
| CN111495381A | 2020-08-07 | |||
| JP2015182908A | 2015-10-22 | |||
| CN108079999A | 2018-05-29 | |||
| CN1950144A | 2007-04-18 | |||
| CN107454861A | 2017-12-08 |
Attorney, Agent or Firm:
HARBIN SHINEIP INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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