To provide a utilizing method for waste plastic in a burning furnace, controlling the chlorine concentration of burned products even when chlorine-contained synthetic resin is contained in waste plastic in manufacturing the burned products such as quick lime or burned dolomite using waste plastic as fuel for the burning furnace such as a rotary kiln.
In heating raw material 3 in the burning furnace 1 by combustion of a fuel A to manufacture burned products, this utilizing method for waste plastic in the burning furnace is used, which is characterized in that waste plastic C containing chlorine-contained resin and hydrogen-contained fuel having a hydrogen content of 12 mass% are used as part of the fuel A. Preferably liquefied natural gas and/or coke oven gas is used as the hydrogen-contained fuel.
COPYRIGHT: (C)2008,JPO&INPIT
Yoshiaki Hara
Kajioka Masahiko
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Kazuhiro Mori