METHOD FOR TREATING ORGANIC WASTE CONTAINING NITROGEN ATOM OR HALOGEN ATOM

PROBLEM TO BE SOLVED: To decompose an org. waste contg. nitrogen or halogen atoms without generating a harmful gas by bringing the waste into contact with a dehydrogenation and/or oxidation catalyst under supercritical water. SOLUTION: An org. waste 1 contg. nitrogen or halogen atoms is charged from...

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Hauptverfasser:	KITA YUMIKO, OYASATO NAOHIKO, TOMIOKA YOSHIKI, HAYATA TERUNOBU, KITAMURA HIDEO, HARADA KAZUNARI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To decompose an org. waste contg. nitrogen or halogen atoms without generating a harmful gas by bringing the waste into contact with a dehydrogenation and/or oxidation catalyst under supercritical water. SOLUTION: An org. waste 1 contg. nitrogen or halogen atoms is charged from a charge section 2 into a rotary section 3 of a rotary kiln and agitated. On the other hand, supercritical water (or a supercritical alcohol) is supplied through a supercritical water inlet port 11 into the rotary kiln. The waste is brought into contact with the supercritical water (or supercritcal alcohol) at 200-350 deg.C for a time wherein the wt. loss of the waste does not exceed 80%, and then the treated waste is temporarily stored in an exit section 4. Thus, the waste is converted into hydrocarbons contg. no nitrogen nor halogen atom and can be reused as a solid fuel, a raw material for various materials, or a raw material for ore smelting, in energy recovery by incineration, as a raw material for thermal decomposition, in making a waste harmless, etc.