Title:
無鉛ガソリン組成物及びその製造方法
Document Type and Number:
Japanese Patent JP5024884
Kind Code:
B2
Abstract:
An unleaded gasoline composition having a sulfur content of 1 mass ppm or less and exhibiting sufficient driving performance and a method thereof are provided. A method for producing an unleaded gasoline composition having a sulfur content of 1 mass ppm or less and a research method octane number of 89.0 or more, which comprises a step of subjecting a cracked naphtha fraction having a 5 vol % distillation temperature of 25°C or higher, a 95 vol % distillation temperature of 210°C or lower, an olefin content of 5 mass % or more and a diene value of 0.3 g/100 g or less to a desulfurization treatment, and a blending step of mixing the above resultant desulfurized cracked naphtha fraction with another gasoline base materials; and an unleaded gasoline composition which has a research method octane number of 89.0 or more, a 50 vol % distillation temperature of 105°C or lower, an olefin content of 10 vol % or more, a total sulfur content of 1 mass ppm or less, and a percentage of a thiophene type sulfur compound in the total sulfur content of 50 mass % or more as sulfur.
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Inventors:
Yasuhiro Araki
Katsuaki Ishida
Katsuaki Ishida
Application Number:
JP2008039867A
Publication Date:
September 12, 2012
Filing Date:
February 21, 2008
Export Citation:
Assignee:
jx Nikko Nisseki Energy Co., Ltd.
International Classes:
C10L1/06; C10G25/05; C10G29/04; C10G29/28; C10G45/02; C10G45/04; C10G45/06; C10G45/36; C10G53/08; C10G53/10; C10G55/06; C10G67/06; C10L1/00
Domestic Patent References:
| JP10102070A | ||||
| JP2003073677A | ||||
| JP2001303070A |
Foreign References:
| WO2002031090A1 | ||||
| US5851382 | ||||
| US6444118 |
Attorney, Agent or Firm:
Patent Business Corporation Moegi Patent Office