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    • 8. 发明申请
    • METHOD OF RECYCLING WASTE PLASTIC AND METHOD OF MOLDING
    • 回收废塑料的方法和成型方法
    • WO2005037510A3
    • 2005-06-02
    • PCT/JP2004015874
    • 2004-10-20
    • NIPPON STEEL CORPARAKI TAKAYUKIFUKUDA KOICHIKATO KENJI
    • ARAKI TAKAYUKIFUKUDA KOICHIKATO KENJI
    • B29B20060101B29B17/00B29B17/02C08J11/12C10B53/00C10B53/07C10B55/02C10B57/04
    • B29B17/02B29B2017/0496B29K2027/06C08J11/12C10B53/07C10B57/04Y02P20/143Y02W30/622Y02W30/625Y02W30/703Y10S264/911
    • A method of recycling waste plastic, in which granulated plastic having its volatile contents and matter rendered oily reduced to such an extent suitable for coke oven charge material mixture, the granulated plastic capable of retaining appropriate shape even after charging into a coke oven, can be produced and in which any expensive facilities for treating generated hydrogen chloride gas are not needed; and a method of molding for use therein. There is provided a method of recycling waste plastic, characterized in that waste plastic is partially or wholly melted at temperature exceeding 160°C but not higher than 250°C and compression molded into granulated plastic of 0.7 to 1.2 kg/liter apparent density, the granulated plastic sequentially subjected to mixing with coal and dry distillation in a coke oven. Gas generated at the compression molding of waste plastic is brought into contact with water or aqueous ammonia, and the resultant water or aqueous ammonia is caused to join the aqueous ammonia of an aqueous ammonia treatment plant annexed to the coke oven to thereby enable removing the hydrogen chloride contained in the generated gas.
    • 一种回收废塑料的方法,其中挥发物含量和物质呈油状的粒状塑料降低到适合于焦炉加料混合物的程度,即使在装入焦炉后仍能保持适当形状的粒状塑料可以是 生产并且其中不需要用于处理所产生的氯化氢气体的昂贵设施; 以及在其中使用的模制方法。 提供了一种回收废塑料的方法,其特征在于废塑料在超过160℃但不高于250℃的温度下部分或全部熔化,并压缩成型为0.7至1.2kg /升表观密度的颗粒塑料, 粒状塑料依次与煤混合并在焦炉中干馏。 在废塑料的压缩成型时产生的气体与水或氨水接触,使得到的水或氨水与附属于焦炉的氨水处理装置的氨水接触,从而能够除去氢 生成的气体中含有氯化物。