Assembly of acid and sintering resistant honeycomb washcoat and catalytically active phase using sols of silica, zirconia, and platinum
Abstract
Development of high performance honeycomb catalysts containing platinum active phase for gas phase air oxidation of sulfur dioxide is described. Stepwise assembly of these washcoated honeycombs consists of: (1) selection of honeycomb composition (mullite substrate) and cell density based on pressure drop requirements; (2) identification of washcoat slurry composition (silica-precursor sol, silica powder, and surfactants if needed); (3) processing of the washcoat-substrate by dip coating, drying, and calcining; (4) loading of the platinum active phase through a facilitated adsorption technique followed by drying and activation steps; and (5) reactor loading and evaluation. Details of these steps will be presented that include thermal and chemical stability tests. Characterization by transmission electron microscopy of the final Pt/(ZrO{sub 2}-SiO{sub 2}) composite attached to the mullite substrate will be reported.
- Authors:
-
- Monsanto Enviro-Chem Systems, Inc., St.Louis, MO (United States)
- Monsanto Enviro-Chem Systems, Inc., St. Louis, MO (United States); and others
- Publication Date:
- OSTI Identifier:
- 126763
- Report Number(s):
- CONF-950402-
TRN: 95:006086-0786
- Resource Type:
- Conference
- Resource Relation:
- Conference: 209. American Chemical Society (ACS) national meeting, Anaheim, CA (United States), 2-6 Apr 1995; Other Information: PBD: 1995; Related Information: Is Part Of 209th ACS national meeting; PB: 2088 p.
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 01 COAL, LIGNITE, AND PEAT; 36 MATERIALS SCIENCE; PLATINUM; CATALYTIC EFFECTS; SILICA; SULFUR DIOXIDE; OXIDATION; CATALYSTS; DIP COATING; DRYING; MULLITE; PRESSURE DROP; PROCESSING; SOLS; CATALYST SUPPORTS; COMBUSTION PRODUCTS; AIR POLLUTION CONTROL; HONEYCOMB STRUCTURES
Citation Formats
Felthouse, T R, Huntsman Specialty Chemicals Corp., St. Louis, MO, Berkel, D A, and Jost, S R. Assembly of acid and sintering resistant honeycomb washcoat and catalytically active phase using sols of silica, zirconia, and platinum. United States: N. p., 1995.
Web.
Felthouse, T R, Huntsman Specialty Chemicals Corp., St. Louis, MO, Berkel, D A, & Jost, S R. Assembly of acid and sintering resistant honeycomb washcoat and catalytically active phase using sols of silica, zirconia, and platinum. United States.
Felthouse, T R, Huntsman Specialty Chemicals Corp., St. Louis, MO, Berkel, D A, and Jost, S R. 1995.
"Assembly of acid and sintering resistant honeycomb washcoat and catalytically active phase using sols of silica, zirconia, and platinum". United States.
@article{osti_126763,
title = {Assembly of acid and sintering resistant honeycomb washcoat and catalytically active phase using sols of silica, zirconia, and platinum},
author = {Felthouse, T R and Huntsman Specialty Chemicals Corp., St. Louis, MO and Berkel, D A and Jost, S R},
abstractNote = {Development of high performance honeycomb catalysts containing platinum active phase for gas phase air oxidation of sulfur dioxide is described. Stepwise assembly of these washcoated honeycombs consists of: (1) selection of honeycomb composition (mullite substrate) and cell density based on pressure drop requirements; (2) identification of washcoat slurry composition (silica-precursor sol, silica powder, and surfactants if needed); (3) processing of the washcoat-substrate by dip coating, drying, and calcining; (4) loading of the platinum active phase through a facilitated adsorption technique followed by drying and activation steps; and (5) reactor loading and evaluation. Details of these steps will be presented that include thermal and chemical stability tests. Characterization by transmission electron microscopy of the final Pt/(ZrO{sub 2}-SiO{sub 2}) composite attached to the mullite substrate will be reported.},
doi = {},
url = {https://www.osti.gov/biblio/126763},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Dec 01 00:00:00 EST 1995},
month = {Fri Dec 01 00:00:00 EST 1995}
}