書誌事項
- タイトル別名
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- Considerations for Practical Applications of Polyethylene Cracking in Supercritical Water.
- ポリエチレン ノ チョウリンカイ ミズブンカイ ユカ ノ ジツ ショリ ニ ムケタモンダイテン ノ ケントウ
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A previous paper described the fundamental reaction conditions for recycling waste polyethylene (PE) into oils. With a reaction temperature of 425 °C, reaction time of 120 min, water fill rate of 30 % and a 1:5 PE/water ratio, PE was effectively converted into light fuel oil with a yield of over 90 wt %. This paper investigates a suitable PE/water ratio, the potential to re-circulate the solvent (water) and the influence of the oxygen gas existing in the reaction system. These are prime issues when putting a waste plastic recycling system into practical use. The possibility of high-speed conversion of PE into oils was also examined in cracking experiments at high temperature over a short period of time. (1)A high yield of oil was produced regardless of the PE/water ratio. (2)Re-use of the water as a solvent showed a slight increase in the yield of the oil products and (3)Oxygen gas existing in the reaction system had no effect on the oil yield. In each case, the quality of the oil products was stable. Oxygenated compounds were not detected in the oil products. At a reaction temperature of 500 °C, light oils with a number-average molecular weight of 147 were produced two minutes. The light oils can be used as fuel corresponding to n-decane on a straight-chain hydrocarbon basis. There was no observed coke production, which indicates the possibility of a high-speed oil conversion process for waste plastic.
収録刊行物
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- 資源と素材
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資源と素材 115 (8), 591-596, 1999
一般社団法人 資源・素材学会
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詳細情報 詳細情報について
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- CRID
- 1390001206015080576
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- NII論文ID
- 10005758200
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- NII書誌ID
- AN10062646
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- COI
- 1:CAS:528:DyaK1MXls1KnsL0%3D
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- ISSN
- 18806244
- 09161740
- http://id.crossref.org/issn/09161740
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- NDL書誌ID
- 4838502
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可