The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 20, 2018
Filed:
Jun. 27, 2013
China Petroleum & Chemical Corporation, Beijing, CN;
Research Institute of Petroleum Processing, Sinopec, Beijing, CN;
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, Beijing, CN;
Abstract
The present invention provides a rare earth-containing Y zeolite and a preparation process thereof, said rare earth-containing Y zeolite has a rare earth content as rare earth oxide of 10-25 wt %, a unit cell size of 2.440-2.472 nm, a crystallinity of 35-65%, a Si/Al atom ratio in the skeleton of 2.5-5.0; and a product of the ratio of the strength Iof the peak at 2θ=11.8±0.1° to the strength Iof the peak at 2θ=12.3±0.1° in the X-ray diffraction spectrogram of the zeolite and the weight percent of rare earth as rare earth oxide in the zeolite of higher than 48.