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Title: Fluidizable particulate materials and methods of making same

Abstract

The invention provides fluidizable, substantially spherical particulate material of improved attrition resistance having an average particle size from about 100 to about 400 microns useful as sorbents, catalysts, catalytic supports, specialty ceramics or the like. The particles are prepared by spray drying a slurry comprising inorganic starting materials and an organic binder. Exemplary inorganic starting materials include mixtures of zinc oxide with titanium dioxide, or with iron oxide, alumina or the like. Exemplary organic binders include polyvinyl alcohol, hydroxypropylemethyl cellulose, polyvinyl acetate and the like. The spray dried particles are heat treated at a first temperature wherein organic binder material is removed to thereby provide a porous structure to the particles, and thereafter the particles are calcined at a higher temperature to cause reaction of the inorganic starting materials and to thereby form the final inorganic particulate material.

Authors:
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
20013941
DOE Contract Number:  
AC21-88MC25006
Resource Type:
Patent
Resource Relation:
Other Information: PBD: 26 Oct 1999
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; FABRICATION; ADSORBENTS; CATALYSTS; CATALYST SUPPORTS; CERAMICS; SPRAY DRYING; ZINC OXIDES; TITANIUM OXIDES; IRON OXIDES; ALUMINIUM OXIDES; BINDERS; POROUS MATERIALS; CALCINATION

Citation Formats

Gupta, R P. Fluidizable particulate materials and methods of making same. United States: N. p., 1999. Web.
Gupta, R P. Fluidizable particulate materials and methods of making same. United States.
Gupta, R P. 1999. "Fluidizable particulate materials and methods of making same". United States.
@article{osti_20013941,
title = {Fluidizable particulate materials and methods of making same},
author = {Gupta, R P},
abstractNote = {The invention provides fluidizable, substantially spherical particulate material of improved attrition resistance having an average particle size from about 100 to about 400 microns useful as sorbents, catalysts, catalytic supports, specialty ceramics or the like. The particles are prepared by spray drying a slurry comprising inorganic starting materials and an organic binder. Exemplary inorganic starting materials include mixtures of zinc oxide with titanium dioxide, or with iron oxide, alumina or the like. Exemplary organic binders include polyvinyl alcohol, hydroxypropylemethyl cellulose, polyvinyl acetate and the like. The spray dried particles are heat treated at a first temperature wherein organic binder material is removed to thereby provide a porous structure to the particles, and thereafter the particles are calcined at a higher temperature to cause reaction of the inorganic starting materials and to thereby form the final inorganic particulate material.},
doi = {},
url = {https://www.osti.gov/biblio/20013941}, journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {10}
}