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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0463387 (2000-03-01) |
우선권정보 | JP-0143653 (1998-05-26); JP-0143660 (1998-05-26); JP-0185500 (1998-07-01) |
국제출원번호 | PCT/JP99/02743 (1999-05-25) |
§371/§102 date | 20000301 (20000301) |
국제공개번호 | WO99/61557 (1999-12-02) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 5 인용 특허 : 9 |
The invention relates to a method of heavy oil hydrogenation, precisely to a method of heavy oil hydrogenation for which a part of the catalyst to be used is a regenerated catalyst, and concretely to a method of heavy oil denitrification and to a method of heavy of desulfurization. It is characteriz
1. A method of hydro-denitrifying heavy oil in a reaction zone filled with a catalyst, which is characterized by catalyst disposition of such that a regenerated catalyst is disposed in the former stage of at least a part of the reaction zone and a fresh catalyst is disposed in the latter stage there
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