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Title: Method and apparatus for the production of metal oxide powder

Abstract

The present invention provides a method for preparing metal oxide powder. A first solution, which is substantially organic, is prepared. A second solution, which is an aqueous solution substantially immiscible in the first solution, is prepared and delivered as drops to the first solution. The drops of the second solution are atomized by a pulsed electric field forming micro-drops of the second solution. Reagents in the first solution diffuse into and react with reactants in the micro-drops of the second solution forming metal hydroxide or oxalate particles. The metal hydroxide or metal oxalate particles are then recovered and dried to produce the metal oxide powder. An apparatus for preparing a metal oxide powder is also disclosed. 2 figs.

Inventors:
; ;
Issue Date:
OSTI Identifier:
7207398
Patent Number(s):
5122360 A
Application Number:
PPN: US 7-441793
Assignee:
Martin Marietta Energy Systems, Inc., Oak Ridge, TN (United States) PTO; EDB-94-082385
DOE Contract Number:  
AC05-84OR21400
Resource Type:
Patent
Resource Relation:
Patent File Date: 27 Nov 1989
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; CHEMICAL REACTORS; DESIGN; OXIDES; CHEMICAL PREPARATION; DROPLETS; DRYING; HYDROXIDES; ORGANOMETALLIC COMPOUNDS; OXALATES; CARBOXYLIC ACID SALTS; CHALCOGENIDES; HYDROGEN COMPOUNDS; ORGANIC COMPOUNDS; OXYGEN COMPOUNDS; PARTICLES; SYNTHESIS; 400201* - Chemical & Physicochemical Properties

Citation Formats

Harris, M.T., Scott, T.C., and Byers, C.H. Method and apparatus for the production of metal oxide powder. United States: N. p., 1992. Web.
Harris, M.T., Scott, T.C., & Byers, C.H. Method and apparatus for the production of metal oxide powder. United States.
Harris, M.T., Scott, T.C., and Byers, C.H. Tue . "Method and apparatus for the production of metal oxide powder". United States.
@article{osti_7207398,
title = {Method and apparatus for the production of metal oxide powder},
author = {Harris, M.T. and Scott, T.C. and Byers, C.H.},
abstractNote = {The present invention provides a method for preparing metal oxide powder. A first solution, which is substantially organic, is prepared. A second solution, which is an aqueous solution substantially immiscible in the first solution, is prepared and delivered as drops to the first solution. The drops of the second solution are atomized by a pulsed electric field forming micro-drops of the second solution. Reagents in the first solution diffuse into and react with reactants in the micro-drops of the second solution forming metal hydroxide or oxalate particles. The metal hydroxide or metal oxalate particles are then recovered and dried to produce the metal oxide powder. An apparatus for preparing a metal oxide powder is also disclosed. 2 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1992},
month = {6}
}