コークス炉化学原料化法による廃プラスチックの利用技術(<特集>容器包装リサイクル法施行10年の歩み)

概要

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The waste plastics recycling process using coke ovens has been put into practice at Nippon Steel Corporation since 2000. The Japan Iron & Steel Federation, as a voluntary energy-saving action plan, proposed a 10% energy reduction by 2010 with 1990 as the basis. Furthermore, it has put forward an additional 1.5% energy saving by the use of waste plastics as a metallurgical raw material. The coke-making process is expected to be suitable for utilization of waste plastics because the process provides high temperature (〜 1200-C) and reducing atmosphere. In the coke ovens, waste plastics are pyrolyzed to coke, gas, and light oil & tar, which, are utilized as energy source or chemical raw materials. The life-cycle assessment showed remarkable contribution to CO_2 reduction by means of this technology.
一般社団法人日本エネルギー学会の論文
2010-06-20