Title: Thermally stable porous catalyst systems and methods to produce the same

Abstract

This disclosure provides compositions and methods directed to thermally stable catalyst systems, which display stable physical properties and/or stable catalytic properties after thermal pretreatment at a temperature in the range of about 600° C. to about 1000° C. The catalyst systems include metal particles which contain a stable metal and a catalytic metal deposited on a porous support. Embodiments of the disclosure include catalyst systems that can be used in high temperature applications such as the hybrid sulfur cycle. The hybrid sulfur cyclic is an elevated temperature and high acid reaction that may be conducted using concentrated sulfuric acid heated to 800° C. Embodiments of the disclosure can provide thermally stable catalysts and methods to produce thermally stable catalysts that remain active for at least 80 hours' exposure to these harsh conditions.

Inventors:

Monnier, John; Diao, Weijian; Regalbuto, John; Tengco, John Meynard; Ginosar, Daniel M.

Issue Date:

Tue Nov 28 00:00:00 EST 2023

Research Org.:

Idaho National Laboratory (INL), Idaho Falls, ID (United States); Univ. of South Carolina, Columbia, SC (United States)

Sponsoring Org.:

USDOE

OSTI Identifier:

2293903

Patent Number(s):

11826728

Application Number:

16/592,802

Assignee:

University of South Carolina (Columbia, SC); Battelle Energy Alliance, LLC (Idaho Falls, ID)

Patent Classifications (CPCs):

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY

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B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY

B01J23/28 - Molybdenum
B01J23/30 - Tungsten
B01J23/42 - Platinum
B01J23/462 - {Ruthenium}
B01J23/464 - {Rhodium}
B01J23/468 - {Iridium}
B01J23/6484 - {Niobium}
B01J23/6525 - {Molybdenum}
B01J23/6527 - {Tungsten}
B01J23/6567 - {Rhenium}
B01J23/745 - Iron
B01J23/75 - Cobalt
B01J23/8906 - {Iron and noble metals}
B01J23/8913 - {Cobalt and noble metals}
B01J35/004 - {Photocatalysts}
B01J35/008 - {egg-shell like}
B01J35/0093 - {homogeneous throughout the support particle}
B01J35/1009 - {less than 10 m2/g}
B01J35/1014 - {10-100 m2/g}
B01J35/1038 - {less than 0.5 ml/g}
B01J35/1061 - {2-50 nm}
B01J37/0201 - {Impregnation}
B01J37/0207 - {Pretreatment of the support}
B01J37/031 - {Precipitation}
B01J37/08 - Heat treatment {
B01J37/16 - Reducing
B01J37/30 - Ion-exchange
B01J37/348 - {Electrochemical processes, e.g. electrochemical deposition or anodisation}

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DOE Contract Number:  

AC07-05ID14517; EE0008091

Resource Type:

Patent

Resource Relation:

Patent File Date: 10/04/2019

Country of Publication:

United States

Language:

English