Title:
ゼオライト含有触媒および低級オレフィンの製造方法
Document Type and Number:
Japanese Patent JP6952106
Kind Code:
B2
Abstract:
Provided is a proton-type MFI-structure zeolite in which a zeolite having high hydrothermal stability is employed, whereby the zeolite has high hydrothermal stability even without modification, or in which modifications are combined, whereby it is possible to dramatically improve the hydrothermal stability of the zeolite. A zeolite-containing catalyst characterized in that: the zeolite-containing catalyst contains a proton-type MFI-structure zeolite; the zeolite-containing catalyst is a catalyst for a conversion reaction in which a hydrocarbon feedstock that includes at least one C4-6 olefin exposed to steam during catalyst regeneration is converted to a low-grade olefin; and when a reference line is drawn between 45 ppm and 65 ppm with respect to a peak that is derived from Al in the framework of the zeolite and that is visible in a chemical shift region from 45 ppm to 65 ppm in an NMR spectrum obtained by measuring the zeolite by 27Al-MAS-NMR, and the peak is vertically divided in two at 55 ppm (the center point of the reference line) with respect to the X-axis (chemical shift), the area of a low-chemical-shift region from 45 ppm to 55 ppm accounts for at least 50% of the entire area of the region from 45 ppm to 65 ppm.
Inventors:
Nobuyasu Chikamatsu
Honda Kazuki
Junpei Takahashi
Honda Kazuki
Junpei Takahashi
Application Number:
JP2019506900A
Publication Date:
October 20, 2021
Filing Date:
March 24, 2017
Export Citation:
Assignee:
JGC Global Co., Ltd.
International Classes:
B01J29/40; B01J29/90; B01J38/12; C01B39/02; C07C4/06; C07C11/06
Domestic Patent References:
| JP2013000610A |
Foreign References:
| WO2011013780A1 | ||||
| WO2016087956A1 | ||||
| US20140296599 | ||||
| US20090156389 |
Attorney, Agent or Firm:
Patent corporation ssinpat
Patent Corporation Yayoi Patent Office
Patent Corporation Yayoi Patent Office