US 12,269,018 B2 · Platinum-sulfur-based shell catalyst, production and use thereof in the dehydrogenation of hydrocarbons

Abstract

The invention relates to the use of a supported, platinum-containing and sulfur-containing shell catalyst for the partial or complete dehydrogenation of perhydrogenated or partially hydrogenated cyclic hydrocarbons. The present invention also relates to a method for producing a platinum-containing and sulfur-containing shell catalyst and to a platinum-containing and sulfur-containing shell catalyst. The present invention further relates to a method for the partial or complete dehydrogenation of perhydrogenated or partially hydrogenated cyclic hydrocarbons.

Claims21

Dependent claims

A shell catalyst comprising

(a) a shaped support body comprising alumina (Al2O3),
(b) platinum in a reduced form in an amount in the range of 0.1-1% by weight, based on the total weight of the shell catalyst, and
(c) sulfur,
wherein the atomic ratio of platinum to sulfur is 1:1.5-1:10, and wherein the shell catalyst has an outer shell which comprises at least 85 wt. % of the total platinum and at least 85 wt. % of the total sulfur present in the shell catalyst, and wherein the thickness of the outer shell, determined by EDX linescan, is in the range from 40 μm to 250 μm, wherein the shell catalyst has been reduced.

1 more element

A shell catalyst comprising

(a) a shaped support body comprising alumina (Al2O3),
(b) platinum in a calcined and reduced form in an amount in the range of 0.1-1% by weight, based on the total weight of the shell catalyst, and
(c) sulfur,
wherein the atomic ratio of platinum to sulfur is 1:1.5-1:10, and wherein the shell catalyst has an outer shell which comprises at least 85 wt. % of the total platinum and at least 85 wt. % of the total sulfur present in the shell catalyst, and wherein the thickness of the outer shell, determined by EDX linescan, is in the range from 40 μm to 250 μm, wherein the shell catalyst has been calcined and reduced.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

17/045,518Filed 10 Apr 2019

Priority

DE 10 2018 109 254.718 Apr 2018

Published

US 2021/0077984 A118 Mar 2021

Granted

8 Apr 2025

Term ends

Not estimatedThe source records don’t support an estimate.

Classification27 codes

B01J 27/045
With iron group metals or platinum group metals: platinum group metals
B01J 6/001
Heat treatments such as Calcining; Fusing ; Pyrolysis: calcining
B01J 35/397
Distribution of the active metal ingredient: egg shell like
B01J 35/53
Spheres: with a core-shell structure

Platinum-sulfur-based shell catalyst, production and use thereof in the dehydrogenation of hydrocarbons

Life of this patent

Platinum-sulfur-based shell catalyst, production and use thereof in the dehydrogenation of hydrocarbons

Life of this patent

Abstract

Claims21