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Composition for arsenic removal from ground water 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C02F-005/02
  • C02F-005/06
출원번호 US-0452722 (1999-12-03)
발명자 / 주소
  • Maria Luisa Castro de Esparza PE
출원인 / 주소
  • Pan American Health Organization
대리인 / 주소
    Birch, Stewart, Kolasch & Birch, LLP
인용정보 피인용 횟수 : 14  인용 특허 : 30

초록 ▼

The present invention provides a process for removing arsenic from ground water to be processed and used in remote dwellings. The process includes (a) contacting a clay, a coagulant, and an oxidizer with water containing arsenic to form a coagulated colloidal mixture; (b) adsorbing the arsenic onto

대표청구항

1. A composition for arsenic removal from ground water consisting essentially of an oxidizer, a clay, and a coagulant, wherein the clay and the coagulant are capable of forming a coagulant/colloidal mixture, which adsorbs arsenic.

이 특허에 인용된 특허 (30)

  1. Dixit Nagaraj S. (Kendall Park NJ), Aqueous liquid automatic dishwashing detergent composition with improved anti-filming and anti-spotting properties.
    상세보기
  2. McGahan John F. (Knoxville TN), Attenuation of arsenic leaching from particulate material.
    상세보기
  3. Boutin Jean (Mions FRX) Combet Andre (Lyons FRX) Communal Jean-Pierre (La Varenne Saint Hilaire FRX), Basic aluminum chlorosulfate flocculating process.
    상세보기
  4. Kigel Mark Y. ; Kofman Mikhail ; Faylond Mikhail ; Vyshkina Tamara V., Coagulating and flocculating agent and method for making it.
    상세보기
  5. Bottero Jean-Yves (Nancy FRX) Lartiges Bruno (Nancy FRX) Suty Herv\ (Champigny Sur Marne FRX), Coagulation/flocculation technique.
    상세보기
  6. Lee Jong-Chan (3-202 ; Samchang Apt. ; 86-23 Sinjeong2-dong ; Yangcheongu ; Seoul City KRX), Compositions for treating waste water which contains heavy metals.
    상세보기
  7. Lee Sung K. (East Amherst NY), Detoxification of spent antimony halide catalyst and recovery of antimony values.
    상세보기
  8. Hager Bror O. (Forsetevagen 5 S-182 63 Djursholm SEX), Fixation of arsenic in soil.
    상세보기
  9. Yen Jeffrey H.-G. (Woolwich NJ), Hot lime precipitation of arsenic from wastewater or groundwater.
    상세보기
  10. Lejeune Philippe G. (Les Granges FRX) Lejeune Bernard E. (Les Granges FRX), Laser trimming of electrical components.
    상세보기
  11. O\Neill Gary A. (Plum Borough PA) Novak John W. (Murrysville PA) Martin Edward S. (New Kensington PA), Method for removing arsenic or selenium from an aqueous solution containing a substantial background of another contamin.
    상세보기
  12. Santina Peter F. (1923 Whitecliff Way Walnut Creek CA 94596), Method for removing toxic substances in water.
    상세보기
  13. Pisani Philip J., Method for treatment of solid waste to minimize permeability of the waste.
    상세보기
  14. Yen Jeffrey H. (Woolwich NJ), Multiple-stage precipitation process for heavy metals in aqueous solution.
    상세보기
  15. Schuster Georg (Tegernheim DEX) Kaestle Hans (Laub DEX), Procedure for separating arsenic from waste material.
    상세보기
  16. Sandesara ; Mahendra D., Process for disposal of arsenic salts.
    상세보기
  17. Misra Manoranjan (Reno NV) Nayak Deba C. (Minneapolis MN), Process for removal of selenium and arsenic from aqueous streams.
    상세보기
  18. O\Connor Rodney J. (College Station TX) O\Connor Mark A. (College Station TX), Process for removing arsenic from water.
    상세보기
  19. Smith Paul K. ; Bergemann Eugene P., Process for removing selenium from selenium-containing waste streams.
    상세보기
  20. Redmon Charles L. (Orchard Park NY) Subbanna Somanahalli N. (East Amherst NY) Smith Robert A. (Kinnelon NJ), Process for separating arsenic acid from an aqueous mixture comprising sulfuric and arsenic acids.
    상세보기
  21. Poncha Rustom P. (Erie County NY), Process for the separation of arsenic acid from a sulfuric acid-containing solution.
    상세보기
  22. Kalcevic Victor (Knoxville TN) McGahan John F. (Knoxville TN), Process for treating spent catalyst including antimony halides from chlorofluorocarbon production.
    상세보기
  23. Danda Sylvain (Marly la Ville FRX) Kvant Magnus (Niederroedern FRX) Pescher Yvette (Bagneux FRX), Purification of aqueous media using aluminum polychloride/iron compound/salt-based coagulant compositions.
    상세보기
  24. Buchan Pieter W. W. (68 Second Street Linden ; Johannesburg ; Tranvsvaal Province ZAX) Buchan Leon (Kameeldrift District ZAX), Purification of water.
    상세보기
  25. Volchek Konstantin (Burlington CAX) Mortazavi Saviz (Nepean CAX) Whittaker Harry (Manotick CAX), Removal of arsenic from aqueous liquids with selected alumina.
    상세보기
  26. Goodman Walter H. (Lisle IL), Removal of selenium from water by ion-exchange.
    상세보기
  27. McClintock William W. (1166 Coppet St. Fairbanks AK 99709-4721), Treatment method for removing arsenic from arsenic contaminated water.
    상세보기
  28. Weiss Donald E. (Blackburn AUX) Kolarik Luis O. (Forest Hill AUX) Priestley Anthony J. (Elsternwick AUX) Anderson Nevil J. (Sandringham AUX), Water clarification coagulant/adsorbent.
    상세보기
  29. Etzel James E. (Lafayette IN) Kurek Joseph (Franklin IN), Water treatment process.
    상세보기
  30. Etzel James E. (Lafayette IN) Kurek Joseph (Franklin IN), Water treatment process.
    상세보기

이 특허를 인용한 특허 (14)

  1. Burba, III, John L.; Hassler, Carl R.; O'Kelley, C. Brock; Lupo, Joseph A.; Pascoe, Joseph R., Apparatus for treating a flow of an aqueous solution containing arsenic.
    상세보기
  2. Burba, John, Composition and process for making the composition.
    상세보기
  3. Witham, Richard Donald; McNew, Edward Bayer; Burba, III, John Leslie, Composition for removing arsenic from aqueous streams.
    상세보기
  4. Burba, III, John L., Composition for treating a fluid.
    상세보기
  5. Tranter, Troy J.; Mann, Nicholas R.; Todd, Terry A.; Herbst, Ronald S., High capacity adsorption media and method of producing.
    상세보기
  6. Laliberte, Marc, Metalloid contaminated water solution purification process for safe human consumption-rated reduction of contaminant concentration therein, by precipitation without oxidation.
    상세보기
  7. Webb, Cathleen Joyce; Davis, Arden Duane; Dixon, David John, Method and composition to reduce the amounts of arsenic in water.
    상세보기
  8. Mann, Nicholas R.; Tranter, Troy J., Methods of producing adsorption media including a metal oxide.
    상세보기
  9. Tranter, Troy J.; Herbst, R. Scott; Mann, Nicholas R.; Todd, Terry A., Methods of using adsorption media for separating or removing constituents.
    상세보기
  10. Burba, III, John L.; Oriard, Tim L., Process and apparatus for treating a gas containing a contaminant.
    상세보기
  11. Tomlinson, Marcus; Martinez, Teodoro; Hille, Simon, Process for separation of at least one metal sulfide from a mixed sulfide ore or concentrate.
    상세보기
  12. Cable, Robert; Hassler, Carl; Burba, John, Rare earth removal of hydrated and hydroxyl species.
    상세보기
  13. Psaras, Dimitrios; Gao, Yuan; Haneline, Mason; Lupo, Joseph; Landi, Carol, Removal of arsenic from aqueous streams with cerium (IV) oxide compositions.
    상세보기
  14. Witham, Richard Donald; McNew, Edward Bayer; Burba, III, John Leslie, Water purification device for arsenic removal.
    상세보기

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