METHOD OF MAKING CALCUIM IRON OXIDE IN USE OF THE VISIBLE LIGHT PHOTOCATALYST

METHOD OF MAKING CALCUIM IRON OXIDE IN USE OF THE VISIBLE LIGHT PHOTOCATALYST

PURPOSE: A method of making calcium iron oxide in use of a visible light photo-catalyst is provided to improve crystallinity and to reduce the generation of impurities. CONSTITUTION: A method of making calcium iron oxide in use of a visible light photo-catalyst includes the following: 1mol of CaCO_3...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KIM, TAE GUE, JEONG, EUH DUCK, KIM, HYUN GYU
Format: Patent
Sprache:eng ; kor
Schlagworte:
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Beschreibung
Zusammenfassung:PURPOSE: A method of making calcium iron oxide in use of a visible light photo-catalyst is provided to improve crystallinity and to reduce the generation of impurities. CONSTITUTION: A method of making calcium iron oxide in use of a visible light photo-catalyst includes the following: 1mol of CaCO_3 and 1mol of Fe_2O_3 are mixed; the mixture is primarily plasticized at a temperature between 750 and 850 degrees Celsius for 6 hours; the primarily plasticized product is finely pulverized and uniformly mixed; the secondary mixture is secondarily plasticized at a temperature between 1100 and 1300 degrees Celsius for 6 hours.