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"" 따옴표 내의 구문과 완전히 일치하는 문서만 검색 예) "Transform and Quantization"

특허 상세정보

Continuous in-situ combination process for upgrading heavy oil

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C10G-019/00   
미국특허분류(USC) 208/229
출원번호 US-0433914 (1995-05-02)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 66  인용 특허 : 0
초록

The invention relates to an integrated, continuous process for the removal of organically bound sulfur (e.g., mercaptans, sulfides and thiophenes) comprising the steps of contacting a heavy oil, sodium hydroxide, hydrogen and water at a temperature of from about 380°C. to 450°C. to partially desulfurize the heavy oil and to form sodium sulfide, contacting said sodium sulfide with a transition metal in water to form a transition metal sulfide, sodium hydroxide and hydrogen. The sodium hydroxide is recirculated and the transition metal sulfide is removed. ...

대표
청구항

A continuous process for removal from heavy oil of organically bound sulfur and decreasing the heteroatoms and metals content, and viscosity, density and molecular weight of the heavy oil, comprising the steps of: (a) contacting a heavy oil containing organically bound sulfur, heteroatoms and metals wherein the organically bound sulfur is selected from the group consisting of mercaptans, thiophenes and sulfides, the metals are selected from the group consisting of iron, nickel, and vanadium and mixtures thereof, and the heteroatoms are selected from the ...

이 특허를 인용한 특허 피인용횟수: 66

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