| Date of entry into database：Feb,2002 |
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RDF (and biomass waste) Carbonizing System |
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（Environmental Solutions Center, JFE Holdings, Inc.）
(JP-0246E） |
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Refuse Derived Fuel (RDF）,Municipal Solid Waste,Biomass waste |
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Carbon materials,Combustible gas,Waste thermal energy |
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Recycling Technology:Material recovery |
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In recent years, attention has focused on methods for creating refuse derived fuel(RDF) as a way to make efficient use (thermal recycling) of the thermal energy generated from urban waste.The RDF carbonizing system was developed with the aim of expanding use of the RDF method. This system is designed to use the partial oxidization or dry distillation techniques to produce carbonized material (JFE eco carbon) for use in the process of steel-making. Technology for utilizing carbonized material outside of steel refiners is currently under development. Applications include carbon as substitutes for wood charcoal and activated charcoal, for soil improvement applications and for purifying rivers. The RDF Carbonizing system utilizes a rocker type furnace for carbonizing at high temperatures of 800℃ or over. Steam generated using dry distillation gas can be used for activating the carbon materials. |
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(1) Carbonizing is performed using thermal decomposition at temperatures of 800°C or more.
(2) No fluctuation in volume of heat generated.
(3) Materials recycling also possible. |
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The start of basic research in 1998,The start of demonstration test in 1999 |
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The demonstration plant at the West Japan Works (Kurashiki) of JFE Steel Corporation.
The test Plant at the West Japan Works(Fukuyama) of JFE Steel Corporation
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Processing capacity is 30 t per day (waste processing capacity approximately 60t per day). Maximum concentration of dioxins in the carbon materials is 0.22pg-TEQ/g. Results of released heavy metals tests show released levels are all within the limits. The concentrations of dioxins in discharged gases came to 0.05ng-TEQ/Nm3.
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Received technical verification from the Japan Waste Management Association in 2002. |
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