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특허 상세정보

Process for the regeneration of an additive used to control emissions during the combustion of high sulfur fuel

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C10L-001/32   
미국특허분류(USC) 44/51 ; 44/622 ; 44/624 ; 44/627
출원번호 US-0133327 (1987-12-16)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 7  인용 특허 : 8
초록

A regenerating process comprises leaching a combustion ash with water so as to dissolve same and form a pregnant leach liquor containing the additive which is separated from the solid residue. The pregnant leach liquor is thereafter adjusted with a base precipitating agent so as to precipitate a compound of the additive which is then recovered by liquid solid separation. The process of the present invention is particularly useful for regenerating said recycling sulfur capturing additives used in hydrocarbon formulations which are burned as fuels, particu...

대표
청구항

A process for regenerating a sulfur capturing additive used in the preparation of a hydrocarbon in water emulsion for combustion as a fuel comprising: (a) forming a hydrocarbon in water emulsion by admixing a sulfur containing hydrocarbon and water with an emulsifier and a water soluble sulfur capturing additive wherein said sulfur capturing additive is selected from the group consisting of Na+, K+, Li+, Ca++, Ba++, Mg++, Fe+++and mixtures thereof; (b) burning said emulsion so as to form a combustion ash containing said water soluble additive as a sulfat...

이 특허에 인용된 특허 (8)

  1. Lusch Jrgen (Oberhausen DEX) Lieder Bernhard (Bottrop DEX) Heinen Heinrich (Oberhausen DEX) Kolodzey Wolfgang (Duisburg DEX). Coal-water suspensions, a method for their production, and their use. USP1984114481015.
  2. Borio Donald C. (New Britain CT) Borio Richard W. (Somers CT) Hale Gilbert L. (Granby CT) Mehta Arun K. (Los Altos CA) Tyler Arnold L. (Torrington CT). Integrated coal cleaning process. USP1986014566394.
  3. Agarwal Jagdish Chandra (Concord MA) Giberti Richard Andre (Waltham MA) Petrovic Louis John (Sudbury MA). Method for removal of sulfur from coal. USP1976063960513.
  4. Withorn Benjamin (601 Forbes St. Falmouth VA 22401). Method of reducing sulphur dioxide emissions from combustible materials. USP1976043948617.
  5. Kugel Roger W. (Winona MN) Kekish George T. (Naperville IL). Method of stabilization of coal fuel oil mixture. USP1983084396397.
  6. Smith Robert H. (Plano TX). Process for reducing sulfur contaminant emissions from burning coal or lignite that contains sulfur. USP1980104226601.
  7. Lusch Jurgen (Oberhausen DEX) Heinen Heinrich (Ottobrunn DEX) Lieder Bernhard (Bottrop DEX) Schmidt Volkmar (Oberhausen DEX) Kolodzey Wolfgang (Duisburg DEX). Process for the production of a coal-water suspension which is suitable for use in coal gasification under elevated pres. USP1985074526588.
  8. Myers John G. (Pittsburgh PA) Logan Douglas P. (Coraopolis PA) Walker Jerry L. (Coraopolis PA). Residual fuel oil conditioners containing metal salts in aqueous solution. USP1985044512774.