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Process for removal of fluoride and phosphorus-type contaminants from acidic wastewater 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C02F-001/42
출원번호 US-0848130 (1986-04-04)
발명자 / 주소
  • Berry W. Wes (Lakeland FL)
출원인 / 주소
  • Advanced Separation Technologies Incorporated (Lakeland FL 02)
인용정보 피인용 횟수 : 27  인용 특허 : 0

초록

A process for treating acidic process waste water containing SiF62- is disclosed. The process is carried out by contacting the waste water with a strong base ion exchange resin and loading SiF62- onto the resin. Phosphate ions are then removed from the waste water by raising the pH of the waste wate

대표청구항

A process for treating an acidic process waste water containing SiF62-comprising (i) contacting said waste water with a strong base ion exchange resin and loading said SiF62-onto the resin and (ii) removing phosphate ions from said waste water after removing said fluoride-containing ions from the wa

이 특허를 인용한 특허 (27)

  1. Connor, Eric; Charmot, Dominique; Chang, Han-Ting; Roger, Florence; Klaerner, Gerrit; Nguyen, Son Hoai; Mills, Jonathan; Buysse, Jerry M.; Lee, Angela; Madsen, Deidre; Shao, Jun; Cope, Michael J.; Fordtran, John, Anion-binding polymers and uses thereof.
  2. Eldridge, Robert James; Norret, Marck; Dahlke, Thomas W.; Ballard, Mathew John; Adams, Beryn John, Complexing resins and method for preparation thereof.
  3. Chang, Han Ting; Charmot, Dominique; Connor, Eric; Roger, Florence, Crosslinked amine polymers.
  4. Chang, Han Ting; Charmot, Dominique; Connor, Eric; Roger, Florence, Crosslinked amine polymers.
  5. Chang, Han Ting; Charmot, Dominique; Connor, Eric; Roger, Florence, Crosslinked amine polymers.
  6. Chang,Han Ting; Charmot,Dominique; Connor,Eric; Roger,Florence, Crosslinked amine polymers.
  7. Chang,Han Ting; Charmot,Dominique; Connor,Eric; Roger,Florence, Crosslinked amine polymers.
  8. Jangbarwala, Juzer, Fluorine removal by ion exchange.
  9. Bourke,Michael Francis; Nguyen,Hung Van, Inorganic contaminant removal from water.
  10. Davison John B. (Mission Viejo CA) Hsu Chung-Tseng (Laguna Hills CA), Method and apparatus for purifying hydrogen fluoride.
  11. Nicholas, David; Bowman, Reid Henry; Singleton, Freddie L., Method for making chelating base product used in water-based systems.
  12. Dove, Curtis Douglas; Ho, Kehchyn, Method for purifying fluoride etching solution by using hydroxide compound and ion exchange resin absorption.
  13. Connor, Eric; Charmot, Dominique; Chang, Han Ting; Roger, Florence; Klaerner, Gerrit; Nguyen, Son Hoai; Mills, Jonathan; Buysse, Jerry M.; Lee, Angela; Madsen, Deidre; Shao, Jun; Cope, Michael J.; Fordtran, John, Pharmaceutical compositions comprising cross-linked small molecule amine polymers.
  14. Chang, Han Ting; Charmot, Dominique; Connor, Eric; Roger, Florence, Pharmaceutical compositions comprising crosslinked amine polymer with repeat units derived from polymerization of tertiary amines.
  15. Connor,Eric; Charmot,Dominique; Chang,Han Ting; Roger,Florence; Klearner,Gerrit; Nguyen,Son Hoai, Pharmaceutical compositions comprising crosslinked polyamine polymers.
  16. Vero, Gregory Mark; Smith, Paul, Plug-flow regeneration process.
  17. Chang,Han Ting; Charmot,Dominique; Zard,Samir, Polyamine polymers.
  18. Chang,Han Ting; Charmot,Dominique; Zard,Samir, Polyamine polymers.
  19. Watten Barnaby J., Process and apparatus for carbon dioxide pretreatment and accelerated limestone dissolution for treatment of acidified.
  20. Itano Mitsushi,JPX ; Unemoto Tatsuya,JPX, Process for recovering volatile acids.
  21. Berry William W. (Lakeland FL) Rossiter Gordon J. (Lakeland FL), Process for removing fluoride from a wastewater and producing hydrofluoric acid therefrom.
  22. Alkis S. Rappas, Process for removing soluble fluoride from a waste solution containing the same.
  23. Sengupta, Arup K.; Li, Ping; Murray, Brendan J.; Harrison, Stuart D.; Vero, Gregory M., Process for treating concentrated salt solutions containing DOC.
  24. Berry, William W.; Baroody, Thomas E., Processes for the recovery of fluoride and silica products and phosphoric acid from wet-process phosphoric acid facilities and contaminated waste waters.
  25. SenGupta Arup ; Zhao Dongye, Selective removal of phosphates and chromates from contaminated water by ion exchange.
  26. Connor, Eric; Charmot, Dominique; Chang, Han Ting; Roger, Florence; Klaemer, Gerrit; Nguyen, Son Hoai; Mills, Jonathan; Buysse, Jerry M.; Lee, Angela; Madsen, Deidre; Shao, Jun; Cope, Michael J.; Fordtran, John, Treatment of hyperphosphatemia using crosslinked small molecule amine polymers.
  27. Nicholas, David; Bowman, Reid Henry; Hammond, David; Singleton, Freddie L., Water treatment solution with chelating base product.
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