METHOD FOR MANUFACTURING CERIUM DIOXIDE NANOPARTICLES

METHOD FOR MANUFACTURING CERIUM DIOXIDE NANOPARTICLES

PROBLEM TO BE SOLVED: To provide a method for manufacturing cerium dioxide nanoparticles which can be used as a component of a fuel additive composition.SOLUTION: A method for manufacturing cerium dioxide nanoparticles includes: a) a process of providing a first cerium ion source, a hydroxide ion so...

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Bibliographische Detailangaben
Hauptverfasser: ALBERT GARY DIFRANCESCO, HAILSTONE RICHARD K, REED KENNETH J, ANDREAS LANGNER
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
CHEMISTRY
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
DYES
INORGANIC CHEMISTRY
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
NATURAL RESINS
PAINTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
POLISHES
TRANSPORTING
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method for manufacturing cerium dioxide nanoparticles which can be used as a component of a fuel additive composition.SOLUTION: A method for manufacturing cerium dioxide nanoparticles includes: a) a process of providing a first cerium ion source, a hydroxide ion source, nanoparticles stabilizer and an aqueous reaction mixture having an oxidant at an initial temperature of 20°C or lower; b) a process of forming a suspension of cerium hydroxide nanoparticles by mechanically shearing the mixture and passing it through a boring screen; and c) a process of forming cerium nanoparticles having an average diameter in a range of about 1 mm to about 15 mm by increasing the initial temperature and causing oxidation of a primary cerium ion to a second cerium ion. Cerium dioxide nanoparticles can be formed by continuous processes.