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Process for recycling gypsum-based waste material into readily crushable members for use in the manufacture of cement and crushable members formed thereby 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C04B-002/10
출원번호 US-0419231 (1999-10-15)
발명자 / 주소
  • Jeffrey J. Konczak
출원인 / 주소
  • American International Materials, Ltd.
대리인 / 주소
    Fish & Richardson P.C.
인용정보 피인용 횟수 : 12  인용 특허 : 29

초록 ▼

A process for forming crushable, "synthetic" rocks from waste gypsum involves collecting natural and synthetic gypsum waste in the form of flue gas desulfurization ("FGD"). The gypsum waste has a sludge-like consistency and is passed through an extruder where the moisture in the waste gypsum is draw

대표청구항 ▼

1. A process for manufacturing portland cement using recycled gypsum, the process comprising:(A) preparing a rough grind of lime bearing materials; (B) roasting the rough grind to form cement clinker; (C) cooling the cement clinker; (D) preparing synthetic gypsum rock from gypsum-bearing waste mater

이 특허에 인용된 특허 (29)

  1. Harrison Cecil P. (Florence AL) Tittle Cullen G. (Tuscumbia AL), Agglomeration of gypsum, limestone, or gypsum-limestone mix.
    상세보기
  2. Eatough Craig Norman ; Ford ; Jr. George W. ; Lambert Richard C., Blast furnace fuel from reclaimed carbonaceous materials and related methods.
    상세보기
  3. Rademaker Pieter D. (Haarlem NLX), Building component containing coal ash.
    상세보기
  4. Minnick L. John (Box 271 Plymouth Meeting PA 19462), Cementitious compositions and aggregate derivatives from said compositions.
    상세보기
  5. Laney Bill E. (Albuquerque NM), Geopolymer-modified, gypsum-based construction materials.
    상세보기
  6. Burkard Edward A. (East Amherst NY), Manufacture of gypsum board from FGD gypsum.
    상세보기
  7. Borgholm Hans Erik (Valby DKX) Herfort Duncan (Alborg DKX) Mogensen Ole (Alborg DKX), Method and plant for manufacturing mineralized portland cement clinker.
    상세보기
  8. Bold Jrg (Kaiserslautern DEX), Method for continuously producing molded members from a mixture of gypsum and fibrous material.
    상세보기
  9. Iiyama Shigeo (Mobara JPX) Ohsaki Kozo (Funabashi JPX) Nakagawa Kenichi (Ikoma JPX), Method for desulfurizing exhaust gas.
    상세보기
  10. Angevine, Peter A.; Bengtsson, Sune; Koudijs, George P., Method for oxidation of flue gas desulfurization absorbent and the product produced thereby.
    상세보기
  11. Minnick L. John (Box 271 Plymouth Meeting PA 19462), Method for the production of cementitious compositions and aggregate derivatives from said compositions.
    상세보기
  12. Minnick L. John (Box 271 Plymouth Meeting PA 19462), Method for the production of cementitious compositions and aggregate derivatives from said compositions, and cementitiou.
    상세보기
  13. Bohle Hartwig (Ludwigsau DEX), Process and apparatus for producing SO2-containing gas and cement clinker from waste gypsum.
    상세보기
  14. College John W., Process for producing cement and elemental sulfur from a flue gas desulfurization waste product.
    상세보기
  15. Babu Manyam ; College John W. ; Forsythe Russell C., Process for producing cement from a flue gas desulfurization process waste product.
    상세보기
  16. Roth Timothy J. (Allentown PA) Gagliardi Carmine R. (Emmaus PA) Welliver William R. (Ship Bottom NJ), Process for producing gypsum flake from flue gas desulfurization.
    상세보기
  17. Mitsuda Susumu (Harima JPX) Shibata Yasunori (Kodera JPX) Tatebayashi June (Takarazuka JPX), Process for producing hardened materials from combustion ash of fluidized bed.
    상세보기
  18. Furlong Tresea (Nacogdoches TX) Hearne John (Nacogdoches TX), Process for producing solid bricks from fly ash, bottom ash, lime, gypsum, and calcium carbonate.
    상세보기
  19. Ford ; Jr. George W. (Salt Lake City UT) Lambert Richard C. (Lehi UT) Madsen Russell G. (Price UT), Process for recovering iron from iron-containing material.
    상세보기
  20. Ford ; Jr. George W. ; Lambert Richard C. ; Madsen Russell G., Process for recovering iron from iron-containing material.
    상세보기
  21. Eatough Craig Norman ; Ford ; Jr. George W. ; Lambert Richard C., Process for reduction of iron with solid fuel objects as amended by exam.
    상세보기
  22. Huller Rolf (Iphofen DEX) Knauf Alfons (Siersburg DEX) Wirsching Franz (Iphofen DEX), Process for the manufacture of lump calcium sulfate.
    상세보기
  23. Kira Kinichi (Yokoze JPX) Makino Yoshio (Yokoze JPX) Matumoto Tadashi (Yokoze JPX) Murata Yoshihiko (Yokoze JPX), Process of producing fiber-reinforced hardened body of gypsum system.
    상세보기
  24. Ford ; Jr. George W. (Salt Lake City UT), Reclaiming and utilizing discarded and newly formed coke breeze, coal fines, and blast furnace revert materials, and rel.
    상세보기
  25. Ford ; Jr. George W. (Salt Lake City UT), Reclaiming and utilizing discarded and newly formed coke breeze, coal fines, and blast furnace revert materials, and rel.
    상세보기
  26. Bache Hans H. (Klovervej 7 Klokkerholm 9320 Hjallerup DKX), Shaped article and composite material and method for producing same.
    상세보기
  27. Buschmann John C. (Columbia MD) Rasmussen Elizabeth L. (Hoth PA DKX) Webster William C. (Norristown PA) Veltman Preston L. (Severna Park MD), Shaped cementitious products.
    상세보기
  28. Nicholson ; John Patrick, Stabilized mixture.
    상세보기
  29. Webster William C. (Norristown PA), Utilization of dry scrubber waste materials.
    상세보기

이 특허를 인용한 특허 (12)

  1. Raponi,Dante A., Cementitious composition.
    상세보기
  2. Bingamon, Arlen Earl; Morrical, Stephen C.; Innis, Francis Allison; Sorcic, Anthony Martin, Cementitious compositions for oil well cementing applications.
    상세보기
  3. Bingamon,Arlen Earl; Morrical,Stephen C.; Innis,Francis Allison; Sorcic,Anthony Martin, Cementitious compositions for oil well cementing applications.
    상세보기
  4. Al-Yateem, Abdullah A., Environmental composition and method for making the same.
    상세보기
  5. Surace, Kevin; Ware, Meredith; Hoover, Denise; Han, Jiaping; Chen, Tiandan, Low embodied energy wallboards and methods of making same.
    상세보기
  6. Surace, Kevin; Ware, Meredith; Hoover, Denise; Han, Jiaping; Chen, Tiandan, Low embodied energy wallboards and methods of making same.
    상세보기
  7. Ianniello, Peter J.; Topp, Mark; Johnson, Tracy R., Methods and facilities for producing revenue from gypsum-based refuse sites.
    상세보기
  8. Neumann, Eberhard W.; Bech, Claus, Process and apparatus for handling synthetic gypsum.
    상세보기
  9. Nayak, Bansidhar; Misra, Vibhuti Narayan, Process for manufacturing of high iron hydraulic cement clinker.
    상세보기
  10. Wishard, John, System to dry, condense and sterilize waste materials for reuse.
    상세보기
  11. Ash, Lloyd, Unloading system and method for continuously moving rapid discharge railcars.
    상세보기
  12. Ianniello, Peter J.; Topp, Mark; Johnson, Tracy R., Waste containment and processing facilities formed contemporaneously with the disposal of mineral refuse, and related methods.
    상세보기

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