JP5823407B2 - 方向性溶媒抽出を使用する淡水化 - Google Patents
方向性溶媒抽出を使用する淡水化 Download PDFInfo
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- JP5823407B2 JP5823407B2 JP2012541127A JP2012541127A JP5823407B2 JP 5823407 B2 JP5823407 B2 JP 5823407B2 JP 2012541127 A JP2012541127 A JP 2012541127A JP 2012541127 A JP2012541127 A JP 2012541127A JP 5823407 B2 JP5823407 B2 JP 5823407B2
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- water
- directional solvent
- salt solution
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/26—Treatment of water, waste water, or sewage by extraction
- C02F1/265—Desalination
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
- C02F2103/365—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)
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- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
- Colloid Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Physical Water Treatments (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Description
材料、方法、及び測定:
第1の実験では、方向性溶媒としてダイズ油を使用した。ダイズ油の水飽和限界は、25℃で0.3容量%であり、この飽和限界は、60℃ではほぼ2倍になると予測される。ダイズ油は、安価であり、入手しやすい。
予想通りに、最初の塩分溶液の塩分含有量は、この実証プロセスを使用して著しく減少した。
より効率的なプロセスを発見しようとして、第2の実験を行ったが、この実験では、溶媒としてデカン酸を使用して、上述の実験を繰り返した。デカン酸は、33℃で約3.4%の水を(即ち、溶液が約3.4%の溶解水を含むように)、62℃で約5.1%の水を溶解する。純粋なデカン酸は、30℃未満で固体である。
Claims (19)
- 方向性溶媒を使用して塩分溶液から水を分離するための方法において、
前記方向性溶媒、及び水と少なくとも1つの塩とを含む前記塩分溶液を提供するステップと、
前記方向性溶媒中に前記塩分溶液のエマルションを作るステップと、
前記塩分溶液との接触の前又は後に前記方向性溶媒を加熱して、前記方向性溶媒及び前記方向性溶媒中に溶解された前記塩分溶液からの水を含む第1相と、前記塩分溶液の高濃縮残部を含む第2相とを生成するステップであって、前記方向性溶媒が、親水性の水酸基を具えたカルボキシル基を有する化合物を含み、前記親水性の水酸基が、塩分溶液からの水に結合するステップと、
前記第1相を前記第2相から分離させるステップと、
前記方向性溶媒及び前記溶存水を含む前記第1相を前記塩分溶液の前記高濃縮残部から抽出し、又は前記塩分溶液の前記高濃縮残部を前記第1相から抽出するステップと、
抽出後に前記第1相を冷まして、前記方向性溶媒から水を沈降させるステップと、
前記沈降水を前記方向性溶媒から取り除くステップと、
を含むことを特徴とする方法。 - 請求項1に記載の方法において、前記方向性溶媒が、水を溶解するが水溶性塩及び不純物を溶解しない化合物を含み、この化合物が、完全に又は実質的に水に不溶性であることを特徴とする方法。
- 請求項1に記載の方法において、前記方向性溶媒が、前記カルボキシル基を包含するカルボン酸を含むことを特徴とする方法。
- 請求項3に記載の方法において、前記カルボン酸が、長さが6個〜13個の炭素鎖を含むことを特徴とする方法。
- 請求項4に記載の方法において、前記カルボン酸がデカン酸を含むことを特徴とする方法。
- 請求項1に記載の方法において、前記方向性溶媒が、30℃以下の温度で固体であることを特徴とする方法。
- 請求項1に記載の方法において、前記方向性溶媒及び塩分溶液を加熱する前に、前記方向性溶媒と前記塩分溶液を混合して前記エマルションを生成することをさらに含むことを特徴とする方法。
- 請求項1に記載の方法において、前記方向性溶媒を加熱した後に、前記方向性溶媒と前記塩分溶液を混合して前記エマルションを生成することをさらに含むことを特徴とする方法。
- 請求項1に記載の方法において、誘電泳動を使用して、前記方向性溶媒から前記沈降水を分離することをさらに含むことを特徴とする方法。
- 請求項1に記載の方法において、前記方向性溶媒が、75℃以下の中温度熱源からのエネルギーを使用して加熱されることを特徴とする方法。
- 請求項1に記載の方法において、前記方向性溶媒が、40℃以下の低温度熱源からのエネルギーを使用して加熱されることを特徴とする方法。
- 請求項1に記載の方法において、前記方向性溶媒及び前記塩分溶液が、別のプロセスからの熱を使用して加熱されることを特徴とする方法。
- 請求項1に記載の方法において、前記方向性溶媒及び前記塩分溶液が、地熱又は太陽熱を使用して加熱されることを特徴とする方法。
- 請求項1に記載の方法において、前記抽出された沈降水の重量に基づく塩分含有量が、1.5%未満であることを特徴とする方法。
- 請求項1に記載の方法において、前記抽出された沈降水の重量に基づく塩分含有量が、0.14%未満であることを特徴とする方法。
- 請求項1に記載の方法において、前記抽出された沈降水の重量に基づく塩分含有量が、0.05%未満であることを特徴とする方法。
- 前記方向性溶媒を使用する前記塩分溶液からの水の分離が、多段階淡水化プロセスにおける第1段階である請求項1に記載の方法において、
高レベルの純度に到達するように、抽出後の前記沈降水を淡水化の第2段階に供することをさらに含むことを特徴とする方法。 - 請求項17に記載の方法において、淡水化の前記第2段階が、逆浸透膜又はフラッシュ蒸発を含むことを特徴とする方法。
- 請求項1に記載の方法において、前記方向性溶媒を再使用して、塩分溶液から水を分離する前記方法を繰り返すことをさらに含むことを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26427009P | 2009-11-25 | 2009-11-25 | |
US61/264,270 | 2009-11-25 | ||
PCT/US2010/057448 WO2011066193A1 (en) | 2009-11-25 | 2010-11-19 | Water desalination using directional solvent extraction |
Publications (2)
Publication Number | Publication Date |
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JP2013512092A JP2013512092A (ja) | 2013-04-11 |
JP5823407B2 true JP5823407B2 (ja) | 2015-11-25 |
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JP2012541127A Expired - Fee Related JP5823407B2 (ja) | 2009-11-25 | 2010-11-19 | 方向性溶媒抽出を使用する淡水化 |
Country Status (15)
Country | Link |
---|---|
US (2) | US8119007B2 (ja) |
EP (1) | EP2504283B1 (ja) |
JP (1) | JP5823407B2 (ja) |
CN (1) | CN102712502B (ja) |
AU (1) | AU2010324910B2 (ja) |
BR (1) | BR112012012220B1 (ja) |
CA (1) | CA2781419A1 (ja) |
CL (1) | CL2012001351A1 (ja) |
ES (1) | ES2564319T3 (ja) |
IL (1) | IL219799A (ja) |
MX (1) | MX2012005949A (ja) |
PE (1) | PE20130171A1 (ja) |
RU (1) | RU2556669C2 (ja) |
WO (1) | WO2011066193A1 (ja) |
ZA (1) | ZA201204346B (ja) |
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-
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- 2010-11-19 AU AU2010324910A patent/AU2010324910B2/en active Active
- 2010-11-19 CN CN201080061415.XA patent/CN102712502B/zh active Active
- 2010-11-19 MX MX2012005949A patent/MX2012005949A/es active IP Right Grant
- 2010-11-19 CA CA2781419A patent/CA2781419A1/en not_active Abandoned
- 2010-11-19 US US12/950,504 patent/US8119007B2/en active Active
- 2010-11-19 EP EP10795493.5A patent/EP2504283B1/en not_active Not-in-force
- 2010-11-19 PE PE2012000711A patent/PE20130171A1/es not_active Application Discontinuation
- 2010-11-19 JP JP2012541127A patent/JP5823407B2/ja not_active Expired - Fee Related
- 2010-11-19 WO PCT/US2010/057448 patent/WO2011066193A1/en active Application Filing
- 2010-11-19 ES ES10795493.5T patent/ES2564319T3/es active Active
- 2010-11-19 BR BR112012012220-7A patent/BR112012012220B1/pt not_active IP Right Cessation
- 2010-11-19 RU RU2012123619/05A patent/RU2556669C2/ru active
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- 2012-05-15 IL IL219799A patent/IL219799A/en not_active IP Right Cessation
- 2012-05-24 CL CL2012001351A patent/CL2012001351A1/es unknown
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Publication number | Publication date |
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RU2012123619A (ru) | 2013-12-27 |
IL219799A0 (en) | 2012-07-31 |
US20110108481A1 (en) | 2011-05-12 |
EP2504283A1 (en) | 2012-10-03 |
AU2010324910A1 (en) | 2012-06-21 |
JP2013512092A (ja) | 2013-04-11 |
US20120138532A1 (en) | 2012-06-07 |
CN102712502B (zh) | 2014-01-08 |
CL2012001351A1 (es) | 2012-10-12 |
RU2556669C2 (ru) | 2015-07-10 |
PE20130171A1 (es) | 2013-03-03 |
MX2012005949A (es) | 2012-09-21 |
US8119007B2 (en) | 2012-02-21 |
US8501007B2 (en) | 2013-08-06 |
EP2504283B1 (en) | 2016-01-27 |
AU2010324910B2 (en) | 2016-05-12 |
ES2564319T3 (es) | 2016-03-21 |
CN102712502A (zh) | 2012-10-03 |
BR112012012220B1 (pt) | 2020-03-03 |
WO2011066193A1 (en) | 2011-06-03 |
BR112012012220A2 (pt) | 2017-12-26 |
ZA201204346B (en) | 2013-08-28 |
IL219799A (en) | 2016-03-31 |
CA2781419A1 (en) | 2011-06-03 |
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