廃発泡スチロール容器のサーマルリサイクルに関する研究（第１報）　　卸売市場における発泡スチロールの廃棄処理と低温油化法の開発

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  • Research on Thermal Recycling of Disposal Expanded Polystyrene Container (Part 1)-Waste Treatment of Disposed Expanded Polystyrene in Wholesale Market and Development of Low-temperature Petrochemical Method-
  • ハイハッポウ スチロール ヨウキ ノ サーマルリサイクル ニ カンスル ケンキュウ ダイ1ポウ オロシウリ シジョウ ニ オケル ハッポウ スチロール ノ ハイキ ショリ ト テイオン ユカホウ ノ カイハツ
  • Waste Treatment of Disposed Expanded Polystyrene in Wholesale Market and Development of Low-temperature Petrochemical Method
  • 卸売市場における発泡スチロールの廃棄処理と低温油化法の開発

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Recently, the treatment of a large quantity of expanded polystyrene (EPS) waste that accumulates in wholesale markets, etc., has become a problem, while the demand for EPS containers has increased as a distribution material for agricultural and marine products. In this study, a questionnaire survey and field study were carried out in order to determine the generation rate of the EPS waste and the method of processing, intensions of resource recycling, etc. for domestic central wholesale markets. The development of a volume reduction method and resource recycling method of EPS containers is also required. The effect of 3 kinds of volume reduction methods was then examined. A low-temperature petrochemical method involving a pyrolysis treatment at 200°C or less was developed. As a result, depolymerization could possibly reduce the number average molecular weight to less than 5000.

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