MANUFACTURING METHOD OF ACTIVATED CARBON BY MICROWAVE HEATING AND ITS DEVICE
PROBLEM TO BE SOLVED: To provide a manufacturing method of an activated carbon capable of synthesizing the carbon in a short time and being remarkably energy saving as compared with a conventional manufacturing method in order to solve conventional problems such as bad heating efficiency. SOLUTION:...
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| creator | KATO SHUNSAKU CHIN SAIKA KUMAGAI HISANORI NISHIOKA TOSHIO HATA AKITOSHI NAKAMURA YOSUKE |
| description | PROBLEM TO BE SOLVED: To provide a manufacturing method of an activated carbon capable of synthesizing the carbon in a short time and being remarkably energy saving as compared with a conventional manufacturing method in order to solve conventional problems such as bad heating efficiency. SOLUTION: The activated carbon having a high specific surface area of ≥2,500 m2/g is manufactured by using an organic material as a raw material and carbonizing the organic material by using a hybrid device utilizing microwave direct heating and indirect heating. The hybrid device is a hybrid vessel having strong-alkali resistance and microwave permeability. The indirect heating is performed by a gas heating method, an electrically heating method and/or a microwave heating method in which a microwave absorber is stuck around a reaction vessel. Carbonization and activation are performed continuously by the microwave hybrid heating combining the direct heating and the indirect heating only by the microwave heating. The carbonization and activation treatment are performed after infusibilizing treatment by immersing the organic material in an alkali aqueous solution and drying. COPYRIGHT: (C)2005,JPO&NCIPI |
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SOLUTION: The activated carbon having a high specific surface area of ≥2,500 m2/g is manufactured by using an organic material as a raw material and carbonizing the organic material by using a hybrid device utilizing microwave direct heating and indirect heating. The hybrid device is a hybrid vessel having strong-alkali resistance and microwave permeability. The indirect heating is performed by a gas heating method, an electrically heating method and/or a microwave heating method in which a microwave absorber is stuck around a reaction vessel. Carbonization and activation are performed continuously by the microwave hybrid heating combining the direct heating and the indirect heating only by the microwave heating. The carbonization and activation treatment are performed after infusibilizing treatment by immersing the organic material in an alkali aqueous solution and drying. 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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS COMPOUNDS THEREOF ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR RELEVANT APPARATUS TRANSPORTING |
| title | MANUFACTURING METHOD OF ACTIVATED CARBON BY MICROWAVE HEATING AND ITS DEVICE |
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