CA1336021C - Process for separating salts in seawater - Google Patents
Process for separating salts in seawaterInfo
- Publication number
- CA1336021C CA1336021C CA000602879A CA602879A CA1336021C CA 1336021 C CA1336021 C CA 1336021C CA 000602879 A CA000602879 A CA 000602879A CA 602879 A CA602879 A CA 602879A CA 1336021 C CA1336021 C CA 1336021C
- Authority
- CA
- Canada
- Prior art keywords
- seawater
- solution
- precipitate
- salts
- value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000013535 sea water Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 21
- 150000003839 salts Chemical class 0.000 title claims description 30
- 239000002244 precipitate Substances 0.000 claims abstract description 39
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 16
- 239000002253 acid Substances 0.000 claims abstract description 15
- 238000002485 combustion reaction Methods 0.000 claims abstract description 9
- 229910021653 sulphate ion Inorganic materials 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 239000003973 paint Substances 0.000 claims abstract description 5
- 239000002778 food additive Substances 0.000 claims abstract description 4
- 235000013373 food additive Nutrition 0.000 claims abstract description 4
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 3
- 239000002904 solvent Substances 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000011734 sodium Substances 0.000 claims description 13
- 239000011575 calcium Substances 0.000 claims description 9
- 229910052791 calcium Inorganic materials 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 6
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 229910052700 potassium Inorganic materials 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000003921 oil Substances 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 4
- -1 sulphate ions Chemical class 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 229910052729 chemical element Inorganic materials 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 239000000706 filtrate Substances 0.000 abstract description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000007787 solid Substances 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 5
- 238000000921 elemental analysis Methods 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000001223 reverse osmosis Methods 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002198 insoluble material Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000012149 noodles Nutrition 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical class [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
Classifications
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/16—Inorganic salts, minerals or trace elements
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/04—Chlorides
- C01D3/06—Preparation by working up brines; seawater or spent lyes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S159/00—Concentrating evaporators
- Y10S159/23—Cooling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/911—Cumulative poison
- Y10S210/912—Heavy metal
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Nutrition Science (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Mycology (AREA)
- Geology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Removal Of Specific Substances (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1-40092 | 1989-02-20 | ||
| JP1040092A JPH02221107A (ja) | 1989-02-20 | 1989-02-20 | 海水中の塩分離方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1336021C true CA1336021C (en) | 1995-06-20 |
Family
ID=12571243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000602879A Expired - Lifetime CA1336021C (en) | 1989-02-20 | 1989-06-15 | Process for separating salts in seawater |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4956157A (enExample) |
| JP (1) | JPH02221107A (enExample) |
| KR (1) | KR950000469B1 (enExample) |
| AU (1) | AU620498B2 (enExample) |
| BR (1) | BR9000731A (enExample) |
| CA (1) | CA1336021C (enExample) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5087267A (en) * | 1989-04-04 | 1992-02-11 | Atsushi Nasu | Fuel additives |
| JPH0624973B2 (ja) * | 1990-11-07 | 1994-04-06 | 那須 久太 | 天然産出塩の塩分離方法 |
| CA2068753A1 (en) * | 1991-05-20 | 1992-11-21 | Atsushi Nasu | Paint solvent and production thereof |
| JPH0751203B2 (ja) * | 1991-06-04 | 1995-06-05 | 那須 久太 | 廃クーラント処理方法 |
| US5273661A (en) * | 1992-02-21 | 1993-12-28 | Pickett John B | Method for processing aqueous wastes |
| FR2742430B1 (fr) * | 1995-12-13 | 1998-09-04 | Degremont | Procede de dessalement, de demineralisation de solutions contenant des acides et/ou des sels metalliques |
| AU2003254392B9 (en) * | 2002-11-05 | 2008-09-11 | Macquarie Capital Group Limited | Process and apparatus for the treatment of saline water |
| WO2004041731A1 (en) * | 2002-11-05 | 2004-05-21 | Geo-Processors Pty Limited | Process and apparatus for the treatment of saline water |
| US20050016922A1 (en) * | 2003-03-24 | 2005-01-27 | Enzweiler Ronald J. | Preferential precipitation membrane system and method |
| US7198722B2 (en) * | 2003-11-11 | 2007-04-03 | Mohammed Azam Hussain | Process for pre-treating and desalinating sea water |
| KR100732066B1 (ko) * | 2006-07-25 | 2007-06-25 | (주)블루오션월드 | 해양심층수로부터 저온진공결정법을 이용한 고순도미네랄의 효율적 추출방법 |
| EP2244977A1 (en) * | 2008-01-07 | 2010-11-03 | Council of Scientific and Industrial Research | An improved process of the preparation of common salt of high purity from brines in solar salt pans |
| IL202817A (en) * | 2009-12-17 | 2015-06-30 | Clean Marine As | METHOD AND DEVICE FOR DEATH OF Sodium Hydroxide and its Use for Sulfur Removal from Exhaust Gas |
| CN105683093B (zh) | 2013-08-05 | 2019-07-09 | 格雷迪安特公司 | 水处理系统及相关方法 |
| CN105683095B (zh) | 2013-09-23 | 2019-09-17 | 格雷迪安特公司 | 脱盐系统及相关方法 |
| US10167218B2 (en) | 2015-02-11 | 2019-01-01 | Gradiant Corporation | Production of ultra-high-density brines |
| US20160228795A1 (en) | 2015-02-11 | 2016-08-11 | Gradiant Corporation | Methods and systems for producing treated brines |
| WO2017019944A1 (en) | 2015-07-29 | 2017-02-02 | Gradiant Corporation | Osmotic desalination methods and associated systems |
| WO2017030937A1 (en) | 2015-08-14 | 2017-02-23 | Gradiant Corporation | Production of multivalent ion-rich process streams using multi-stage osmotic separation |
| WO2017030932A1 (en) | 2015-08-14 | 2017-02-23 | Gradiant Corporation | Selective retention of multivalent ions |
| US20190022550A1 (en) | 2016-01-22 | 2019-01-24 | Gradiant Corporation | Formation of solid salts using high gas flow velocities in humidifiers, such as multi-stage bubble column humidifiers |
| US10689264B2 (en) | 2016-02-22 | 2020-06-23 | Gradiant Corporation | Hybrid desalination systems and associated methods |
| AU2019325567B2 (en) | 2018-08-22 | 2025-06-26 | Gradiant Corporation | Liquid solution concentration system comprising isolated subsystem and related methods |
| AU2021383601A1 (en) | 2020-11-17 | 2023-06-08 | Gradiant Corporaton | Osmotic methods and systems involving energy recovery |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1697336A (en) * | 1925-04-09 | 1929-01-01 | Yngve Victor | Method of purifying salt and recovering by-products |
| US1894514A (en) * | 1929-10-04 | 1933-01-17 | Chemical Construction Corp | Phosphoric acid manufacture |
| US2587001A (en) * | 1942-12-10 | 1952-02-26 | Seailles Jean Charles | Method of preparing magnesium hydroxide |
| US3262865A (en) * | 1963-07-15 | 1966-07-26 | Grace W R & Co | Chemical treatment and distillation of sea water |
| JPS59102492A (ja) * | 1982-12-06 | 1984-06-13 | Mitsubishi Heavy Ind Ltd | 蒸発型海水淡水化装置のスケ−ル防止法 |
| US4755303A (en) * | 1987-01-30 | 1988-07-05 | Brine Extraction Systems Technology Company | Method of converting brines to useful products |
-
1989
- 1989-02-20 KR KR1019890014965A patent/KR950000469B1/ko not_active Expired - Fee Related
- 1989-02-20 JP JP1040092A patent/JPH02221107A/ja active Granted
- 1989-05-30 US US07/358,158 patent/US4956157A/en not_active Expired - Lifetime
- 1989-06-15 CA CA000602879A patent/CA1336021C/en not_active Expired - Lifetime
-
1990
- 1990-02-16 BR BR909000731A patent/BR9000731A/pt not_active IP Right Cessation
- 1990-02-20 AU AU49980/90A patent/AU620498B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0542319B2 (enExample) | 1993-06-28 |
| JPH02221107A (ja) | 1990-09-04 |
| KR900012841A (ko) | 1990-09-01 |
| US4956157A (en) | 1990-09-11 |
| BR9000731A (pt) | 1991-01-22 |
| AU4998090A (en) | 1990-08-23 |
| AU620498B2 (en) | 1992-02-20 |
| KR950000469B1 (ko) | 1995-01-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed | ||
| MKEC | Expiry (correction) |
Effective date: 20121205 |