Mineral oils: processes and products – Chemical conversion of hydrocarbons – Reforming
Patent
1978-10-12
1979-10-02
Davis, C.
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Reforming
252434, 252439, C10G 3508
Patent
active
041697855
ABSTRACT:
A process for desensitizing a hypersensitive, high activity reforming catalyst for suppression of hydrogenolysis which is particularly acute during the early portion of the period that the catalyst is placed on stream, i.e., at the startup of a reactor. The catalyst is constituted of a composite which includes a Group VIII noble metal hydrogenation-dehydrogenation component, notably platinum, iridium or rhenium, and tellurium. Hydrogenolysis is suppressed by incorporating within such reforming catalyst at the time of its preparation an element, or a compound or salt of tellurium. In another of its aspects the present invention embodies a reforming catalyst or catalyst composite comprising a refractory or inorganic oxide support material, particularly alumina, a Group VIII noble metal hydrogenation-dehydrogenation component, notably platinum, to which iridium or rhenium, and tellurium have been added to promote the activity and selectivity of the catalysts, and said catalyst is prepared by a method wherein tellurium is introduced into and deposited throughout said support. Suitably, the reforming catalyst, or composite also contains a halogen component, particularly chlorine and preferably the tellurium component is introduced into the support, or catalyst, by impregnating with a solution comprising an element, salt, acid or compound of tellurium.
REFERENCES:
patent: 2851399 (1958-09-01), Brennan et al.
patent: 3884799 (1975-05-01), Mahoney et al.
patent: 3983054 (1976-09-01), Fattore et al.
Davis C.
Exxon Research & Engineering Co.
Proctor Llewellyn A.
LandOfFree
Reforming with multimetallic catalysts does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Reforming with multimetallic catalysts, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reforming with multimetallic catalysts will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2368846