Patents Assigned to Shanghai Research Institute of Petrochemical Engineering
  • Catalysts and processes for the conversion of aromatic hydrocarbons and uses thereof in the production of aromatic hydrocarbons
    Patent number: 6500997
    Abstract: The present invention relates a catalyst for the conversion of aromatic hydrocarbons, comprising by weight 20 to 90 parts of a crystalline aluminosilicate zeolite with a SiO2/Al2O3 molar ratio of 10 to 100, 0.05 to 10 parts of metal bismuth or oxides thereof supported on the zeolite, 0 to 5 parts of one or more types of metal(s) M or oxides thereof, M being selected from the group consisting of molybdenum, copper, zirconium, strontium, lanthanum, rhenium, iron, cobalt, nickel and silver, and 10 to 60 parts of alumina as an adhesive. The present invention also relates to a process for the conversion of aromatic hydrocarbons using the catalyst of the present invention and uses thereof in the production of aromatic hydrocarbons.
    Type: Grant
    Filed: June 5, 1998
    Date of Patent: December 31, 2002
    Assignees: China Petro-Chemical Corporation, Shanghai Research Institute of Petrochemical Engineering
    Inventors: Wencai Cheng, Dejin Kong, Deqin Yang, Huaying Li, Zhirong Zhu
  • Fluidized-bed catalyst for propylene ammoxidation to acrylonitrile
    Patent number: 5834394
    Abstract: A catalyst for ammoxidation of propylene to acrylonitrile, comprisinga) a catalytic composition represented by the following general formula:A.sub.a B.sub.b C.sub.c D.sub.d Na.sub.e Fe.sub.f Bi.sub.g Mo.sub.h O.sub.xwhereinA represents K, Rb, Cs, Tl, or a mixture thereof,B represents Mn, Mg, Sr, Ca, Ba, or a mixture thereof,C represents P, As, B, Sb, Cr, W, V, or a mixture thereof, andD represents one of the following groups:1) Ni alone,2) Co alone,3) Ni and one selected from Li, Pr, Nd, or a mixture thereof,4) Co and one selected from Li, Pr, Nd, or a mixture thereof,5) Ni, Co and one selected from Li, Pr, Nd, or a mixture thereof, anda=0.001.about.2.0,b=0.about.4.5,c=0.01.about.8.0,d=0.01.about.22.0,e=0.01.about.0.7,f=0.01.about.8.0,g=0.01.about.6.0,h=8.about.
    Type: Grant
    Filed: August 1, 1997
    Date of Patent: November 10, 1998
    Assignees: China-Petro-Chemical Corporation, Shanghai Research Institute of Petrochemical Engineering Sinopec
    Inventors: Xin Chen, Lianghua Wu