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Starch/cationic polymer combinations as coagulants for the mining industry 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C02F-001/56
출원번호 US-0292461 (1999-04-15)
발명자 / 주소
  • Jankowski Jeffrey A.
  • Tobison Calvin T.
출원인 / 주소
  • Nalco Chemical Company
대리인 / 주소
    Cummings
인용정보 피인용 횟수 : 20  인용 특허 : 16

초록 ▼

A method for dewatering coal tailings, clean coal products and mineral slurries with an effective coagulating amount of a combination of a cationic polymer and a starch. A preferred cationic polymer is poly(dimethylaminoethylacrylate methyl chloride quaternary salt) and preferred starches are unmodi

대표청구항 ▼

[ We claim:] [1.] A method for dewatering coal tailings containing water, said method comprising the steps of:a. feeding said coal tailings to a thickener;b. contacting said coal tailings with an effective coagulating amount of a coagulant comprising a combination of a cationic polymer and a starch

이 특허에 인용된 특허 (16)

  1. Reed Peter E. (Naperville IL) Venkatadri Ram-Aiyangar (Chicago IL) Connelly Lawrence J. (Oak Lawn IL), 3-acrylamido-3-methylbutanoic acid copolymers as selective coal flocculants.
    상세보기
  2. Richardson Paul F. (Glen Ellyn IL) Bhattacharyya Bhupati R. (Downers Grove IL), Acrylamide diallyl dimethyl ammonium chloride copolymers as improved dewatering acids for mineral processing.
    상세보기
  3. Kerr E. Michael (Aurora IL) Hurlock John R. (Hickory Hills IL) Connelly Lawrence J. (Oak Lawn IL), Coagulant for mineral refuse slurries.
    상세보기
  4. Pillai Krishnan J. (Naperville IL) Kerr E. Michael (Aurora IL), Coagulant for twin belt filter presses.
    상세보기
  5. Clarke John B. (Bradford GB2) Pitts Leslie (Ilkley GB2), Dispersing solid carbonaceous material in water.
    상세보기
  6. Maher George G. (Dunlap IL), Flocculation of coals with water-soluble starch xanthates.
    상세보기
  7. Flesher Peter (West Yorkshire GB2) Farrar David (West Yorkshire GB2) Field John R. (West Yorkshire GB2), Flocculation processes.
    상세보기
  8. Ramesh Manian (Naperville IL) Venkatadri Ram A. (South Chicago IL) Connelly Lawerence J. (Oak Lawn IL) Cramm Jeffrey R. (Winfield IL), Hydrophobic polyelectrolyte coagulants for concentrating coal tailings.
    상세보기
  9. Kerr E. Michael (Aurora IL) Ramesh Manian (Lisle IL), Method for dewatering coal tailings using DADMAC/vinyl trialkoxysilane copolymers as a coagulant.
    상세보기
  10. Yong Raymond N. (Beaconsfield CAX) Sethi Amar J. (Fort McMurray CAX), Methylated starch compositions and their use as flocculating agents for mineral wastes, such as bauxite residues.
    상세보기
  11. Fong Dodd W. (Naperville IL) Hoots John E. (Naperville IL) Johnson Donald A. (Naperville IL), Modified acrylamide polymers used as scale inhibitors.
    상세보기
  12. Panzer Hans Peter (Stamford CT) Dixon Kenneth Wayne (Upsilante MI), Polyquaternary flocculants.
    상세보기
  13. Panzer Hans Peter (Stamford CT) Dixon Kenneth Wayne (Upsilanti MI), Polyquaternary flocculants.
    상세보기
  14. Payne Geoffrey L. (Suffolk VA) Fairchild ; Jr. Hubert (Oil Springs KY), Purification of aqueous liquor.
    상세보기
  15. Fong Dodd W. (Naperville IL) Kowalski David K. (La Grange Park IL), Sulfomethylamide-containing polymers.
    상세보기
  16. Farrar David (Bradford GB2) Langley John G. (Shipley GB2) Allen Adrian S. (Skipton GB2), Water soluble polymeric compositions.
    상세보기

이 특허를 인용한 특허 (20)

  1. Sikes, C. Steven; Hochwalt, Mark A.; Sikes, T. Daniel, Amino acid and carbohydrate polymers for use in soil retention, water conservation, water clarification, and dust control.
    상세보기
  2. Sikes, C. Steven; Hochwalt, Mark A.; Sikes, T. Daniel, Amino acid, carbohydrate and acrylamide polymers useful as flocculants in agricultural and industrial settings.
    상세보기
  3. Sikes, C. Steven; Sikes, T. Daniel; Hochwalt, Mark A., Flotation and separation of flocculated oils and solids from waste waters.
    상세보기
  4. Mochly-Rosen, Daria, Isozyme-specific antagonists of protein kinase C.
    상세보기
  5. Sikes, C. Steven, Lysine-based polymer coagulants for use in clarification of process waters.
    상세보기
  6. Miller, Olen O., Method for dewatering coal tailings and slurries and removing contaminants therefrom.
    상세보기
  7. Pich, René, Method for treating mineral sludge by flocculation in-line then above ground.
    상세보기
  8. Berg, Michael C.; Dise, John H.; Mahoney, Robert P.; Petersen, Kevin T.; Soane, David S.; Stokes, Kristoffer K.; Ware, Jr., William; Thakrar, Atul C., Methods for removing finely dispersed particulate matter from a fluid stream.
    상세보기
  9. Ban, Weiping, Papermaking and products made thereby with ionic crosslinked polymeric microparticle.
    상세보기
  10. Webber, Timothy J.; Sikes, T. Daniel; Sikes, C. Steven, Process for reducing soluble organic content in produced waters associated with the recovery of oil and gas.
    상세보기
  11. Cross, Kimberly Jantunen; Chengara, Anoop; Sommese, Anthony G.; Maharaih, Edward, Processing aids to improve the bitumen recovery and froth quality in oil sands extraction processes.
    상세보기
  12. Kincaid, Patrick D.; Mahoney, Robert P.; Soane, David, System, methods, processes and apparatus for removing finely dispersed particulate matter from a fluid stream.
    상세보기
  13. Soane, David; Ashcraft, Nathan, Systems and methods for recovering fine particles from fluid suspensions for combustion.
    상세보기
  14. Soane, David S.; Ashcraft, Nathan; Kyaw, Phyo, Systems and methods for removing finely dispersed particles from mining wastewater.
    상세보기
  15. Berg, Michael C.; Dise, John H.; Petersen, Kevin T.; Soane, David S.; Stokes, Kristoffer K.; Ware, Jr., William; Thakrar, Atul C., Systems and methods for removing finely dispersed particulate matter from a fluid stream.
    상세보기
  16. Berg, Michael C.; Dise, John H.; Petersen, Kevin T.; Soane, David S.; Stokes, Kristoffer K.; Ware, Jr., William; Thakrar, Atul C., Systems and methods for removing finely dispersed particulate matter from a fluid stream.
    상세보기
  17. Soane, David S.; Ware, Jr., William; Mahoney, Robert P.; Ashcraft, Nathan, Systems and methods for removing finely dispersed particulate matter from a fluid stream.
    상세보기
  18. Soane, David; Ware, Jr., William; Mahoney, Robert P.; Ashcraft, Nathan, Systems and methods for removing finely dispersed particulate matter from a fluid stream.
    상세보기
  19. Dymond, Brian; Lamperd, John; Beveridge, Angela, Treatment of aqueous suspensions.
    상세보기
  20. Sikes, C. Steven; Hochwalt, Mark A.; Sikes, T. Daniel, Use of amino acid and carbohydrate polymers in soil retention, water conservation, and water clarification.
    상세보기

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