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특허 상세정보

Manufacture of ceramic tiles from fly ash

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C01F-007/04   
미국특허분류(USC) 501/01 ; 501/02 ; 501/057 ; 501/063 ; 501/069 ; 501/070 ; 501/155 ; 106/DIG.1 ; 264/DIG.49 ; 65/033.1 ; 65/134.8 ; 588/252 ; 588/256
출원번호 US-0954422 (1997-10-20)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Nixon, Hargrave, Devans & Doyle LLP
인용정보 피인용 횟수 : 28  인용 특허 : 70
초록

The present invention relates to a process for forming glass-ceramic tiles. Fly ash containing organic material, metal contaminants, and glass forming materials is oxidized under conditions effective to combust the organic material and partially oxidize the metallic contaminants and the glass forming materials. The oxidized glass forming materials are vitrified to form a glass melt. This glass melt is then formed into tiles containing metallic contaminants.

대표
청구항

[ What is claimed:] [1.] A process of forming glass ceramic tiles comprising:providing a spent ash containing organic material, metallic contaminants, and glass forming materials;oxidizing the spent ash under conditions effective to oxidize the organic material and to partially oxidize the metallic contaminants and the glass forming materials, wherein said oxidizing is carried out in a suspension preheater in which the ash containing the organic material, metallic contaminants, and glass forming materials is suspended in an oxidizing fluid;vitrifying the...

이 특허에 인용된 특허 (70)

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