REFORMING METHOD FOR UNBURNED GAS GENERATED IN CHARCOAL FORMATION

PROBLEM TO BE SOLVED: To provide a reforming method for an unburned gas generated in forming charcoal, whereby harmful carbon monoxide contained in the unburned gas generated in carbonization of waste wood is greatly decreased. SOLUTION: The reforming method comprises the following steps: a step whe...

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Hauptverfasser:	ISHIDA TETSUYOSHI, SAKAI MASAKATSU, HANIYUDA KATSUYA
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMISTRY DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS DISPOSAL OF SOLID WASTE FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY NATURAL GAS ORGANIC CHEMISTRY PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLEGASES CONTAINING CARBON MONOXIDE RECLAMATION OF CONTAMINED SOIL SOIL SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a reforming method for an unburned gas generated in forming charcoal, whereby harmful carbon monoxide contained in the unburned gas generated in carbonization of waste wood is greatly decreased. SOLUTION: The reforming method comprises the following steps: a step wherein waste wood 5 charged into a treating tower 1 is carbonized with overheated steam of 400-550°C; a step wherein, when an unburned gas 15 due to carbonization is being generated, waste wood 16 is newly charged on waste wood 5 being carbonized in the treating tower 1, thus forming a region B in a temperature range of 250-400°C in a steam atmosphere in the treating tower 1; and a step wherein, in the region B, carbon monoxide in the unburned gas 15 is chemically converted to generate methane. COPYRIGHT: (C)2005,JPO&NCIPI