JP4236548B2 - ナフサ留分の製造方法 - Google Patents
ナフサ留分の製造方法 Download PDFInfo
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- JP4236548B2 JP4236548B2 JP2003336982A JP2003336982A JP4236548B2 JP 4236548 B2 JP4236548 B2 JP 4236548B2 JP 2003336982 A JP2003336982 A JP 2003336982A JP 2003336982 A JP2003336982 A JP 2003336982A JP 4236548 B2 JP4236548 B2 JP 4236548B2
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Description
原料としては、ポリエチレン、ポリプロピレンなどのポリオレフィン、ポリスチレンなどのスチレン系樹脂、ポリアミド樹脂、ポリ塩化ビニル、ポリ塩化ビニリデン、ポリカーボネートなど特に限定されるものではない。通常は、廃棄されたプラスチックを原料とする。プラスチック分解油は、原料となるプラスチックの熱分解により得られるが、このような熱分解反応は、特開平9−235563、特開平8−245108などに記載される公知の方法である。
直留ナフサ留分は、原油を常圧蒸留して得られた留分であり、本発明では、97%留出温度が110℃〜180℃、好ましくは110℃〜170℃である。直留ナフサ留分の性状としては、通常、窒素分が10ppm以下、塩素分が10ppm以下、臭素価が1gBr2/100g以下、ジエン価が1gI2/100g以下、オレフィン分が2容量%以下である。
本発明では、直留ナフサ留分85容量部にプラスチック分解油15容量部以下、好ましくは8容量部以下を配合して、水素化精製を行なう。この場合に、石油精製で得られる他のナフサ留分、例えば、接触分解ナフサ留分、熱分解ナフサ留分などをさらに配合してもよいが、この配合量は直留ナフサ留分85容量部に対して15容量部以下、特には8容量部以下が好ましい。また、1容量部以上が好ましい。
水素化脱硫触媒は、アルミナなどの無機多孔質担体にモリブデン、ニッケル、コバルト、リンのうち少なくとも1種を、特にモリブデンとニッケルまたはコバルトの少なくとも一方を担持した触媒が好ましく用いられる。好ましい反応条件は、反応温度:300〜350℃、反応圧力:1〜4MPa、LHSV:2〜30h-1、H2/Oil(水素/油比):20〜100L/Lである。
Claims (2)
- 97%留出温度が110℃〜180℃の直留ナフサ留分85容量部に、プラスチックの分解によって生成し、97%留出温度が直留ナフサ留分の97%留出温度に45℃を加えた温度を超えず、かつ、終点が200℃を超えないプラスチック分解油15容量部以下を混合して水素化精製することを特徴とするナフサ留分の製造方法。
- 前記プラスチック分解油が臭素価が1.5gBr 2 /100g以上、ジエン価が0.3gI 2 /100g以上、オレフィン分が5容量%以上である請求項1に記載のナフサ留分の製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2003336982A JP4236548B2 (ja) | 2003-09-29 | 2003-09-29 | ナフサ留分の製造方法 |
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JP2003336982A JP4236548B2 (ja) | 2003-09-29 | 2003-09-29 | ナフサ留分の製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2005105027A JP2005105027A (ja) | 2005-04-21 |
JP4236548B2 true JP4236548B2 (ja) | 2009-03-11 |
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JP2003336982A Expired - Fee Related JP4236548B2 (ja) | 2003-09-29 | 2003-09-29 | ナフサ留分の製造方法 |
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JP (1) | JP4236548B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5246996B2 (ja) * | 2005-09-15 | 2013-07-24 | Jx日鉱日石エネルギー株式会社 | プラスチック分解油の処理方法 |
FI128635B (en) | 2018-12-28 | 2020-09-15 | Neste Oyj | Co-treatment procedure |
US20230416612A1 (en) | 2020-04-07 | 2023-12-28 | Totalenergies Onetech Belgium | Waste plastic based oil upgrading into high value chemicals via direct catalytic cracking |
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2003
- 2003-09-29 JP JP2003336982A patent/JP4236548B2/ja not_active Expired - Fee Related
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JP2005105027A (ja) | 2005-04-21 |
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