JP4335879B2 - 合成ナフサ燃料を製造する方法およびその方法により製造された合成ナフサ燃料 - Google Patents
合成ナフサ燃料を製造する方法およびその方法により製造された合成ナフサ燃料 Download PDFInfo
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- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
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- C10G2300/1037—Hydrocarbon fractions
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- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
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- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
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- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
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- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
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- C10G2400/02—Gasoline
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- C10G2400/04—Diesel oil
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- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/18—Solvents
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10S208/00—Mineral oils: processes and products
- Y10S208/95—Processing of "fischer-tropsch" crude
Description
a)COおよびH2のフィッシャー−トロプシュ(FT)合成反応生成物の少なくともフラクションまたはその誘導体を水素化処理し、
b)該FT合成生成物の少なくともフラクションまたはその誘導体を水素化分解し、そして
c)これらのプロセス生成物を分別して所望の合成ナフサ燃料特性を得る工程を含む上記方法が提供される。
− 30を越える高セタン価を有する;
− 約5ppm未満の低硫黄含有率を有する;
− 良好な低温流動性質を有する;および
− 30%より多いイソパラフィンを有し、しかも該イソパラフィンがメチルおよび/またはエチル分岐イソパラフィンを含むを含む合成ナフサを製造し得る。
(a)FT合成反応により合成ガスから得られた生成物を1種またはそれ以上の重質フラクションおよび1種またはそれ以上の軽質フラクションに分離し、
(b)主として留出物をもたらす条件下で該重質フラクションを接触処理し、
(c)工程(b)のナフサ生成物フラクションをやはり工程(b)において生成されている重質生成物フラクションから分離し、そして(d)随意に、工程(c)において得られたナフサ生成物を工程(a)の1種またはそれ以上の軽質フラクションの少なくとも一部またはその生成物とブレンドすること含む上記方法が提供される。
−30℃未満の曇り点を有する合成ナフサ燃料であって、実質的に上記に記載されたようなイソパラフィン含有率を有する該ナフサ燃料が提供される。
−10℃未満一層典型的には−15℃の曇り点を有する。合成ナフサを曇り点降下剤として用いることは、燃料組成物について少なくとも13℃の曇り点降下一層典型的には少なくとも18℃の降下をもたらすことになり得る。
LTFT 低温フィッシャー−トロプシュ。管状固定床またはスラリー床反応器において18〜50バールの圧力にて、この特許において先に記載されたような基本的プロセス条件を用いて、160℃と280℃の間の温度にて完了されたフィッシャー−トロプシュ合成。
SR 直留。いかなる化学的変換法にも付されなかったところの、LTFTから直接的に得られた生成物。
HT SR 水素化直留。この特許において先に記載されたような基本的プロセス条件を用いて水素化された後の、LTFTのSR生成物から得られた生成物。
HX 水素化分解。この特許において先に記載されたような基本的プロセス条件を用いて水素化分解された後の、LTFTのSR生成物から得られた生成物。
1.これらの燃料は、添加剤を含有しない;2.API手順14A1.3;3.相関された(参考文献: HP Sep 1987 p.81)
例5
例1に記載されたSRナフサを放出物について試験して、表6に示された結果が得られた。メルセデスベンツ407Tディーゼル機関がこの試験のために用いられ、しかしてその特性もまた表6に示されている。試験中測定された放出物は、慣用のディーゼル燃料について測定されたものより21.6%少ないCO、4.7%少ないCO2および20.0%少ないNOXであった。加えて、ボッシュ煤煙価により測定された微粒子放出は、慣用のディーゼル燃料について観測されたものより52%低かった。比燃料消費量は、慣用のディーゼルについて観測されたものより0.2%低かった。
例2に記載されたHT SRナフサを放出物について試験して、表6に示された結果が得られた。メルセデスベンツ407Tディーゼル機関がこの試験のために用いられ、しかしてその特性もまた表6に示されている。試験中測定された放出物は、慣用のディーゼル燃料について測定されたものより28.8%少ないCO、3.5%少ないCO2および26.1%少ないNOXであった。加えて、ボッシュ煤煙価により測定された微粒子放出は、慣用のディーゼル燃料について観測されたものより45%低かった。比燃料消費量は、慣用のディーゼルについて観測されたものより4.9%低かった。
例3に記載されたHXナフサを放出物について試験して、表6に示された結果が得られた。メルセデスベンツ407Tディーゼル機関がこの試験のために用いられ、しかしてその特性もまた表6に示されている。試験中測定された放出物は、慣用のディーゼル燃料について測定されたものより7.2%少ないCO、0.3%少ないCO2および26.6%少ないNOXであった。加えて、ボッシュ煤煙価により測定された微粒子放出は、慣用のディーゼル燃料について観測されたものより54%低かった。比燃料消費量は、慣用のディーゼルについて観測されたものより7.1%低かった。
例4に記載されたLTFTナフサを放出物について試験して、表6に示された結果が得られた。未改良メルセデスベンツ407Tディーゼル機関がこの試験のために用いられ、しかしてその特性もまた表6に示されている。試験中測定された放出物は、慣用のディーゼル燃料について測定されたものより25.2%少ないCO、4.4%少ないCO2および26.1%少ないNOXであった。加えて、ボッシュ煤煙価により測定された微粒子放出は、慣用のディーゼル燃料について観測されたものより45%低かった。比燃料消費量は、慣用のディーゼルについて観測されたものより4.6%低かった。
LTFTナフサを商業用南アフリカディーゼルと50:50の割合(容量)にてブレンドして、低温気象環境用に適した燃料を製造した。この燃料およびその成分の燃料特性は、表7に示されている。表8に、圧縮点火(CI)機関におけるこの燃料配合物の性能およびその成分の性能が示されている。50:50の配合物は、10%低い比燃料消費量、19%低いNOX放出物および21%低いボッシュ煤煙価を示す。他のパラメーターもまた有意である。
Claims (8)
- 30を越えるセタン価、−30℃未満の曇り点、30%より多いイソパラフィンおよび160℃未満の終点(Final Boiling Point;FBP)を有するフィッシャー−トロプシュ由来合成ナフサ燃料。
- 少なくとも49℃の初留点(Initial Boiling Point;IBP)を有する、請求項1に記載の合成ナフサ燃料。
- 1%から100%の請求項1または2に記載の合成ナフサ燃料を含む燃料組成物。
- 0から99%の1種またはそれ以上のディーゼル燃料を含む、請求項3に記載の燃料組成物。
- 少なくとも20%の合成ナフサ燃料を含む燃料組成物であって、該組成物が、
40より大きいセタン価および2℃未満の曇り点を有し、且つ
少なくとも30%の合成ナフサ燃料を有し、該組成物が40より大きいセタン価および0℃未満の曇り点を有する、請求項3または4に記載の燃料組成物。 - 等容量の合成ナフサ燃料およびディーゼル燃料を含み、且つ40より大きいセタン価および−5℃未満の曇り点を有する、請求項4に記載の燃料組成物。
- 燃料組成物を含むディーゼル燃料用のフィッシャー−トロプシュ由来曇り点降下剤であって、該曇り点降下剤が30を越えるセタン価、−30℃未満の曇り点、30%より多いイソパラフィンおよび160℃未満の終点(FBP)を有するフィッシャー−トロプシュ由来曇り点降下剤。
- 曇り点降下剤が少なくとも49℃の初留点(IBP)を有する、請求項7に記載のフィッシャー−トロプシュ由来曇り点降下剤。
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JP2006032904A Expired - Lifetime JP4335879B2 (ja) | 1999-04-06 | 2006-02-09 | 合成ナフサ燃料を製造する方法およびその方法により製造された合成ナフサ燃料 |
JP2006165072A Pending JP2006283036A (ja) | 1999-04-06 | 2006-06-14 | 合成ナフサ燃料を製造する方法およびその方法により製造された合成ナフサ燃料 |
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EP (2) | EP1171551B1 (ja) |
JP (3) | JP3848086B2 (ja) |
KR (1) | KR100527417B1 (ja) |
CN (2) | CN100582202C (ja) |
AT (2) | ATE263824T1 (ja) |
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DE (2) | DE69940483D1 (ja) |
EA (1) | EA002794B1 (ja) |
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GB (1) | GB2364066A (ja) |
NO (2) | NO20014813D0 (ja) |
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