METHOD AND APPARATUS FOR THERMALLY DECOMPOSING POLYMER WASTE, METHOD FOR COLLECTING CARBIDE, CARBIDE, RUBBER COMPOSITION CONTAINING THE CARBIDE, AND TIRE USING THE RUBBER COMPOSITION

WIPO Patent Application WO/2010/137352

A1

Disclosed is a method for thermally decomposing polymer waste, wherein oxidation of carbides that remain after the thermal decomposition of the polymer waste can be suppressed. Specifically disclosed is a method for thermally decomposing polymer waste, which comprises: a step in which an oxygen-free gas is heated within a heat exchanger (1); and a step in which the heated oxygen-free gas is introduced into a thermal decomposition furnace (3) in which polymer waste (2) is contained, so that the polymer waste (2) and the oxygen-free gas are brought into direct contact with each other, thereby generating a thermal decomposition gas. The method for thermally decomposing polymer waste is characterized in that the gas flow rate of the oxygen-free gas to be introduced into the thermal decomposition furnace (3) is controlled within the range from 0.0015 m3/s [ntp] to 0.0095 m3/s [ntp].

KAWAMURA, Masanori (Technical Center 3-1-1, Ogawahigashi-cho, Kodaira-sh, Tokyo 31, 〒1878531, JP)
川村　正徳 (〒31 東京都小平市小川東町３－１－１　株式会社ブリヂストン　技術センター内 Tokyo, 〒1878531, JP)

JP2010/003650

December 02, 2010

May 31, 2010

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BRIDGESTONE CORPORATION (10-1, Kyobashi 1-chome Chuo-k, Tokyo 40, 〒1048340, JP)
株式会社ブリヂストン (〒40 東京都中央区京橋１丁目１０番１号 Tokyo, 〒1048340, JP)
KAWAMURA, Masanori (Technical Center 3-1-1, Ogawahigashi-cho, Kodaira-sh, Tokyo 31, 〒1878531, JP)

B09B3/00; C08J11/12; C08L21/00; C10B53/07

SUGIMURA, Kenji (36F Kasumigaseki Common Gate West, 3-2-1 Kasumigaseki, Chiyoda-k, Tokyo 13, 〒1000013, JP)

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