KR970703184A - 유체 추출법(fluid extraction) - Google Patents

유체 추출법(fluid extraction) Download PDF

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KR970703184A
KR970703184A KR1019960706719A KR19960706719A KR970703184A KR 970703184 A KR970703184 A KR 970703184A KR 1019960706719 A KR1019960706719 A KR 1019960706719A KR 19960706719 A KR19960706719 A KR 19960706719A KR 970703184 A KR970703184 A KR 970703184A
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phosphine oxide
group
phosphate
carbon dioxide
mixtures
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쉬엔 웨이
네일 스마트
예흐 린
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로렌스 씨. 보너
아이다호 리서치 파운데이션, 아이엔씨.
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Abstract

본 발명은 고체 또는 액체 물질들을 기재되어 있는 킬레이트 시약이 함유되어 있는 유체 용매, 특히 초임계 이산화탄소에 노출시켜 이물질에서부터 금속 또는 양성 금속을 추출해 내는 방법에 관한 것이다. 킬레이트 시약은 고체 또는 액체 물질에서부터 금속 물질들을 제거할 수 있도록 유체에 용해되는 킬레이트를 형성한다. 바람직한 예로 추출용 용매는 초임계 이산화탄소이고, 킬레이트 시약은 트리 알킬 포스페이트, 트리 아릴 포스페이트, 알킬-아릴 포스페이트, 트리 알킬 포스핀 산화물, 트리 아릴 포스핀 산화물, 알킬 아릴 포스핀 산화물 및 이들의 혼합물로 구성된다. 이 방법은 산업용 폐기 물질에서부터 오염 물질들을 제거할 수 있는 환경에 이로운 방법이다. 이 방법은 특히 산성 용액에서부터 악티늄족을 제거하는데 유용하며, 질산염과 같은 염, 물 및 저급 알킬 알콜 및 에스테르 같은 개질제들을 부가하면 더 좋아질 수 있다. 킬레이트와 초임계 유체는 재생될 수 있으며 오염 물질들은 회수되어 경제적이고도 유용한 공정에 사용될 수 있다.

Description

유체 추출법(FLUID EXTRACTION)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (34)

  1. 트리 알킬 포스페이트, 트리 아릴 포스페이트, 알킬-아릴 포스페이트, 트리 알킬 포스핀 산화물, 트리 아릴 포스핀 산화물, 알킬-아릴 포스핀 산화물 및 이들의 혼합물로 구성된 그룹에서부터 선택된 킬레이트 시약이 함유된 이산화탄소에 산성 매질을 노출시키고, 하나 이상의 킬레이트 시약이 금속 또는 양성 금속 물질과 킬레이트를 형성시키고 킬레이트를 이산화탄소에 용해시키는 것으로 구성된, 산성 매질에서부터 금속 또는 양성 금속 물질들을 추출시키는 방법.
  2. 제1항에 있어서, 이산화탄소가 아임계(subcritical)의 이산화탄소인 방법.
  3. 제1항에 있어서, 이산화탄소가 초임계(supercritical)의 이산화탄소인 방법.
  4. 제3항에 있어서, 트리 알킬, 트리 아릴, 또는 알킬-아릴 포스페이트가 하기 화학식으로 나타나는 방법.
    [상기 화학식(1) 중, R3-R5는 독립적으로 저급 알킬 그룹 및 아릴 그룹으로 구성된 그룹에서 선택되며, 트리 알킬 포스핀 산화물, 트리 아릴 포스핀 산화물 및 알킬-아릴 포스핀 산화물은 하기 화학식(2)로 표시됨.]
    [상기 화학식(2) 중, R6-R8은 독립적으로 저급 알킬 그룹 및 저급 아릴 그룹으로 구성된 그룹에서 선택됨.]
  5. 제4항에 있어서, R3, R4및 R5가 동일한 방법.
  6. 제4항에 있어서, R6, R7및 R8이 동일한 방법.
  7. 제4항에 있어서, R3-R5가 독립적으로 부틸, 옥틸 및 이들의 혼합물로 구성된 그룹에서부터 선택되고 R6-R8이 독립적으로 부틸, 옥틸, 페닐 및 이들의 혼합물로 구성된 그룹에서부터 선택된 방법.
  8. 제7항에 있어서, R3, R4및 R5가 동일하고, R6, R7및 R8이 동일한 방법.
  9. 제1항에 있어서, 노출 단계가 초임계 이산화탄소를 고체 또는 액체를 통해 연속해서 흘려 보내는 것으로 구성되는 방법.
  10. 제1항에 있어서, 매질이 산성 용액인 방법.
  11. 제10항에 있어서, 산성 용액이 또한 금속 염을 포함하는 방법.
  12. 제11항에 있어서, 용액이 질산 용액이고, 염이 질산염인 방법.
  13. 제1항에 있어서, 킬레이트 시약이 트리 부틸 포스페이트, 트리페닐 포스페이트, 트리 부틸 포스핀 산화물, 트리-n-옥틸 포스핀 산화물, 트리 페닐 포스핀 산화물 및 이들의 혼합물로 구성된 그룹에서부터 선택된 방법.
  14. 제3항에 있어서, 킬레이트 시약이 트리 부틸 포스페이트, 트리페닐 포스페이트, 트리 부틸 포스핀 산화물, 트리-n-옥틸 포스핀 산화물, 트리 페닐 포스핀 산화물 및 이들의 혼합물로 구성된 그룹에서부터 선택된 방법.
  15. 트리 알킬 포스페이트, 트리 아릴 포스페이트, 알킬-아릴 포스페이트, 트리 알킬 포스핀 산화물, 트리 아릴 포스핀 산화물, 알킬-아릴 포스핀 산화물 및 이들의 혼합물로 구성된 그룹에서부터 선택된 킬레이트 시약이 함유된 초임계 이산화탄소에 산성 매질을 노출시키고, 하나 이상의 킬레이트 시약이 금속 또는 양성 금속 물질과 킬레이트를 형성시키며 킬레이트를 초임계 이산화탄소에 용해시키는 것으로 구성된, 산성 매질에서부터 금속 또는 양성 금속 물질들을 추출시키는 방법.
  16. 제15항에 있어서, 포스페이트 킬레이트 시약이 하기 화학식으로 표시되는 방법.
    [상기 화학식(1) 중, R3-R5는 저급 알킬 그룹 및 아릴 그룹으로 구성된 그룹에서 선택되며, 포스핀 산화물 킬레이트 시약은 하기 화학식으로 표시됨]
    [상기 화학식(2) 중, R6-R8은 저급 알킬 그룹 및 저급 아릴 그룹으로 구성된 그룹에서 선택됨.]
  17. 제16항에 있어서, R3, R4및 R5가 동일하고 R6, R7및 R8이 동일한 방법.
  18. 제16항에 있어서, R3-R5가 독립적으로 부틸과 옥틸로 구성된 그룹에서부터 선택되며 R6-R8이 독립적으로 부틸, 옥틸 및 페닐로 구성된 그룹에서부터 선택된 방법.
  19. 제15항에 있어서, 산성 매질이 산성 용액인 방법.
  20. 제19항에 있어서, 산성 용액이 또한 염을 포함하는 방법.
  21. 제20항에 있어서, 산성 용액이 질산이고 염이 질산염인 방법.
  22. 제15항에 있어서, 킬레이트 시약이 트리 부틸 포스페이트, 트리 부틸 포스핀 산화물, 트리-n-옥틸 포스핀 산화물, 트리 페닐 포스핀 산화물 및 이들의 혼합물로 구성된 그룹에서부터 선택된 방법.
  23. 포스페이트 킬레이트 시약이 하기 화학식으로 표시되는, 포스페이트 킬레이트 시약 및 포스핀 산화물 킬레이트 시약으로 구성된 그룹에서부터 선택된 킬레이트 시약이 함유된 초임계 이산화탄소에 산성 용액을 노출시키는 것으로 구성된, 염을 함유하고 있는 산성 용액에서부터 금속 또는 양성 금속 물질들을 추출시키는 방법.
    [상기 화학식(1) 중, R3-R5는 저급 알킬 그룹 및 아릴 그룹으로 구성된 그룹에서 선택되며, 포스핀 산화물 킬레이트 시약은 하기 화학식(2)으로 표시됨]
    [상기 화학식(2) 중, R6-R8은 저급 알킬 그룹 및 저급 아릴 그룹으로 구성된 그룹에서 선택됨]
  24. 제23항에 있어서, 킬레이트 시약이 트리 부틸 포스페이트, 트리 페닐 포스페이트, 트리 부틸 포스핀 산화물, 트리-n-옥틸 포스핀 산화물, 트리 페닐 포스핀 산화물 및 이들의 혼합물로 구성된 그룹에서부터 선택된 방법.
  25. 트리 부틸 포스페이트, 트리 페닐 포스페이트, 트리 부틸 포스핀 산화물, 트리-n-옥틸 포스핀 산화물, 트리 페닐 포스핀 산화물 및 이들의 혼합물로 구성된 그룹에서부터 선택된 킬레이트 시약이 함유된 초임계 이산화탄소에 산성 용액을 노출시키는 것으로 구성된, 질산염이 함유된 질산 용액에서부터 금속 또는 양성 금속 물질들을 추출시키는 방법.
  26. 산성 폐기 물질을 용기에 담아 준비해두고; 용기안에 들어있는 폐기 물질을 트리 알킬 포스페이트, 트리 아릴 포스페이트, 알킬-아릴 포스페이트, 트리 알킬 포스핀 산화물, 트리 아릴 포스핀 산화물, 알킬-아릴 포스핀 산화물 및 이들의 혼합물로 구성된 그룹에서부터 선택된 킬레이트 시약이 함유된 초임계 이산화탄소에 노출시켜 하나 이상의 킬레이트 시약이 금속 또는 양성 금속 물질과 킬레이트를 형성시키고 킬레이트는 초임계 이산화탄소에 용해되는 단계; 및 용기에서부터 용해된 폐기 물질과 이산화탄소를 제거시키는 단계로 구성된, 금속 또는 양성 금속 폐기 물질이 함유되어 있는 산성의 폐기 물질을 처리하는 방법.
  27. 제26항에 있어서, 폐기 물질에 염을 부가하는 것으로 구성되며, 여기서 킬레이트 시약은 트리 부틸 포스페이트, 트리 페닐 포스페이트, 트리 부틸 포스핀 산화물, 트리-n-옥틸 포스핀 산화물, 트리 페닐 포스핀 산화물 및 이들의 혼합물로 구성된 그룹에서부터 선택되는 방법.
  28. 제1항에 있어서, 이산화탄소에 조절용 용매를 부가하는 것으로 더 구성되며 여기서 조절용 용매는 물, 저급 알킬 알콜 및 이들의 혼합물로 구성된 그룹에서부터 선택되는 방법.
  29. 제15항에 있어서, 이산화탄소에 조절용 용매를 부가하는 것으로 더 구성되며 여기서 조절용 용매는 물, 저급 알킬 알콜 및 이들의 혼합물로 구성된 그룹에서부터 선택되는 방법.
  30. 제23항에 있어서, 이산화탄소에 조절용 용매를 부가하는 것으로 더 구성되며, 여기서 조절용 용매는 물, 저급 알킬 알콜 및 이들의 혼합물로 구성된 그룹에서부터 선택되는 방법.
  31. 초임계 이산화탄소; 및 트리 알킬 포스페이트, 트리 아릴 포스페이트, 알킬-아릴 포스페이트, 트리 알킬 포스핀 산화물, 트리 아릴 포스핀 산화물, 알킬-아릴 포스핀 산화물 및 이들의 혼합물로 구성된 그룹에서 선택된 킬레이트 시약으로 구성된, 산성 매질에서부터 금속 또는 양성 금속 물질을 추출하기 위한 조성물.
  32. 제31항에 있어서, 매질이 산성 용액이고 이 용액이 염을 포함하는 조성물.
  33. 제32항에 있어서, 용액이 질산으로 구성되고, 염이 질산염인 조성물.
  34. 제31항에 있어서, 킬레이트 시약이 트리 부틸 포스페이트, 트리 페닐 포스페이트, 트리 부틸 포스핀 산화물, 트리-n-옥틸 포스핀 산화물, 트리 페닐 포스핀 산화물 및 이들의 혼합물로 구성된 그룹에서부터 선택된 조성물.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960706719A 1994-06-02 1995-06-02 유체 추출법(fluid extraction) KR970703184A (ko)

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US08/253,000 US5730874A (en) 1991-06-12 1994-06-02 Extraction of metals using supercritical fluid and chelate forming legand
US08/253,000 1994-06-02
PCT/US1995/006938 WO1995033542A1 (en) 1994-06-02 1995-06-02 Fluid extraction

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CN1152260A (zh) 1997-06-18
CA2191227A1 (en) 1995-12-14
CN1152884A (zh) 1997-06-25
WO1995033542A1 (en) 1995-12-14
EP0762918A1 (en) 1997-03-19
EP0762918B1 (en) 2002-08-28
CA2191227C (en) 2001-06-05
EP0764042A1 (en) 1997-03-26
CN1082825C (zh) 2002-04-17
CN1077803C (zh) 2002-01-16
JP2002508697A (ja) 2002-03-19
CA2191243A1 (en) 1995-12-14
JPH10501732A (ja) 1998-02-17
AU3269895A (en) 1996-01-04
EP0764042B1 (en) 2002-11-13
CA2191243C (en) 2002-04-02
US5730874A (en) 1998-03-24
EP0764042A4 (en) 1997-08-27
DE69528831D1 (de) 2002-12-19

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