Patents Assigned to RESEARCH INSTITTUTE OF PETROLEUM PROCESSING, SINOPEC
  • Patent number: 9943836
    Abstract: The present invention relates to a metal modified Y zeolite, its preparation and use. Said zeolite contains 1-15 wt % of IVB group metal as oxide and is characterized in that the ratio of the zeolite surface's IVB group metal content to the zeolite interior's IVB group metal content is not higher than 0.2; and/or the ratio of the distorted tetrahedral-coordinated framework aluminum to the tetrahedral-coordinated framework aluminum in the zeolite lattice structure is (0.1-0.8):1.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: April 17, 2018
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITTUTE OF PETROLEUM PROCESSING, SINOPEC
    Inventors: Jun Long, Huiping Tian, Shanqing Yu, Zhenbo Wang