METHOD FOR MANUFACTURING EXHAUST GAS CLEANING CATALYST FINE PARTICLE

PROBLEM TO BE SOLVED: To provide a method for synthesizing CoOfine particles with oxidation capacity of hydrocarbon and carbon monoxide which are comparable nanoparticles using simple processes and facilities.SOLUTION: There is provided a method for manufacturing exhaust gas cleaning catalyst fine p...

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Main Authors NAGAO SATOSHI, INATOMI YUSAKU
Format Patent
LanguageEnglish
Published 09.02.2012
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
INORGANIC CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
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Abstract PROBLEM TO BE SOLVED: To provide a method for synthesizing CoOfine particles with oxidation capacity of hydrocarbon and carbon monoxide which are comparable nanoparticles using simple processes and facilities.SOLUTION: There is provided a method for manufacturing exhaust gas cleaning catalyst fine particles including steps of: generating cobalt hydroxide by adding aqueous solution of cobalt salt to 0.8-1.1 times the amount of alkaline requiring neutralizing the salt; maturing the generated cobalt hydroxide; and the cobalt hydroxide after the step of maturing is heat-treated in air to generated CoO.
AbstractList PROBLEM TO BE SOLVED: To provide a method for synthesizing CoOfine particles with oxidation capacity of hydrocarbon and carbon monoxide which are comparable nanoparticles using simple processes and facilities.SOLUTION: There is provided a method for manufacturing exhaust gas cleaning catalyst fine particles including steps of: generating cobalt hydroxide by adding aqueous solution of cobalt salt to 0.8-1.1 times the amount of alkaline requiring neutralizing the salt; maturing the generated cobalt hydroxide; and the cobalt hydroxide after the step of maturing is heat-treated in air to generated CoO.
Author INATOMI YUSAKU
NAGAO SATOSHI
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Snippet PROBLEM TO BE SOLVED: To provide a method for synthesizing CoOfine particles with oxidation capacity of hydrocarbon and carbon monoxide which are comparable...
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SubjectTerms CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
INORGANIC CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
Title METHOD FOR MANUFACTURING EXHAUST GAS CLEANING CATALYST FINE PARTICLE
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