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특허 상세정보

Process for reducing sulfur contaminant emissions from burning coal or lignite that contains sulfur

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C10L-009/10    C10L-005/00    C10L-005/12   
미국특허분류(USC) 44/10D ; 44/1G ; 44/1SR ; 44/26
출원번호 US-0756195 (1977-01-03)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 60  인용 특허 : 1
초록

A process for preparing a coal or lignite fuel that contains sulfur for combustion wherein reduced amounts of sulfur containing air contaminants are emitted from the combustion is disclosed. In the disclosed process, the coal or lignite that contains sulfur is first pulverized and is then mixed with a finely divided inorganic material. The inorganic material can be at least one of the oxides, hydroxides or carbonates of sodium, potassium, calcium or barium or it can be dolomite. By forming the mixture of coal or lignite and the inorganic material into br...

대표
청구항

In a process wherein a sulfur containing coal or lignite is burned, the improvement which comprises: (a) admixing pulverized coal or lignite with at least one inorganic material selected from the group consisting of (i) an oxide of sodium, potassium, calcium or barium; (ii) a hydroxide of sodium, potassium, calcium or barium; (iii) a carbonate of sodium, potassium, calcium or barium; and (iv) dolomite; and (b) thereafter burning the admixture of said pulverized coal or lignite and said inorganic material in conventional combustion equipment at a combusti...

이 특허를 인용한 특허 피인용횟수: 60

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