CN114133085B - 一种蒸发海水生产硫酸镁过程中提高结晶析出率的方法和装置 - Google Patents
一种蒸发海水生产硫酸镁过程中提高结晶析出率的方法和装置 Download PDFInfo
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- CN114133085B CN114133085B CN202111330059.3A CN202111330059A CN114133085B CN 114133085 B CN114133085 B CN 114133085B CN 202111330059 A CN202111330059 A CN 202111330059A CN 114133085 B CN114133085 B CN 114133085B
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- nanofiltration
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- water
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Links
- 238000002425 crystallisation Methods 0.000 title claims abstract description 96
- 230000008025 crystallization Effects 0.000 title claims abstract description 96
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 title claims abstract description 90
- 239000013535 sea water Substances 0.000 title claims abstract description 50
- 229910052943 magnesium sulfate Inorganic materials 0.000 title claims abstract description 45
- 235000019341 magnesium sulphate Nutrition 0.000 title claims abstract description 45
- 238000001704 evaporation Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000001728 nano-filtration Methods 0.000 claims abstract description 378
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 311
- 238000004519 manufacturing process Methods 0.000 claims abstract description 51
- 239000008367 deionised water Substances 0.000 claims abstract description 46
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 46
- 230000008020 evaporation Effects 0.000 claims abstract description 29
- 239000011777 magnesium Substances 0.000 claims abstract description 26
- 239000012452 mother liquor Substances 0.000 claims description 54
- 230000014759 maintenance of location Effects 0.000 claims description 51
- 239000003054 catalyst Substances 0.000 claims description 46
- 239000012528 membrane Substances 0.000 claims description 46
- WRUGWIBCXHJTDG-UHFFFAOYSA-L magnesium sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Mg+2].[O-]S([O-])(=O)=O WRUGWIBCXHJTDG-UHFFFAOYSA-L 0.000 claims description 22
- 229940061634 magnesium sulfate heptahydrate Drugs 0.000 claims description 22
- 230000004907 flux Effects 0.000 claims description 14
- 239000012141 concentrate Substances 0.000 claims description 13
- 238000011084 recovery Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 2
- 238000010992 reflux Methods 0.000 abstract description 9
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000001556 precipitation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000011575 calcium Substances 0.000 description 15
- 150000002500 ions Chemical class 0.000 description 15
- 239000011734 sodium Substances 0.000 description 13
- 239000013078 crystal Substances 0.000 description 11
- 238000003860 storage Methods 0.000 description 9
- 239000002002 slurry Substances 0.000 description 8
- 239000011259 mixed solution Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- -1 medical treatment Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C01F5/00—Compounds of magnesium
- C01F5/40—Magnesium sulfates
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F2001/5218—Crystallization
-
- 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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111330059.3A CN114133085B (zh) | 2021-11-11 | 2021-11-11 | 一种蒸发海水生产硫酸镁过程中提高结晶析出率的方法和装置 |
Applications Claiming Priority (1)
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CN202111330059.3A CN114133085B (zh) | 2021-11-11 | 2021-11-11 | 一种蒸发海水生产硫酸镁过程中提高结晶析出率的方法和装置 |
Publications (2)
Publication Number | Publication Date |
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CN114133085A CN114133085A (zh) | 2022-03-04 |
CN114133085B true CN114133085B (zh) | 2023-10-31 |
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CN202111330059.3A Active CN114133085B (zh) | 2021-11-11 | 2021-11-11 | 一种蒸发海水生产硫酸镁过程中提高结晶析出率的方法和装置 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5454952A (en) * | 1990-11-09 | 1995-10-03 | Applied Membrand Systems Pty Ltd. | Method and apparatus for fractionation of sugar containing solution |
CN104817134A (zh) * | 2015-03-26 | 2015-08-05 | 中国海洋大学 | 一种采用超滤-纳滤-反渗透的全膜法海水淡化的集成系统以及集成工艺 |
CN105236659A (zh) * | 2015-11-06 | 2016-01-13 | 北京沃特尔水技术股份有限公司 | 一种脱硫废水的纳滤处理方法 |
CN108178408A (zh) * | 2017-12-26 | 2018-06-19 | 杭州水处理技术研究开发中心有限公司 | 一种脱硫废水处理的装置及方法 |
CN110734166A (zh) * | 2019-12-02 | 2020-01-31 | 中国海洋石油集团有限公司 | 一种海水高效淡化及综合利用的方法 |
-
2021
- 2021-11-11 CN CN202111330059.3A patent/CN114133085B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5454952A (en) * | 1990-11-09 | 1995-10-03 | Applied Membrand Systems Pty Ltd. | Method and apparatus for fractionation of sugar containing solution |
CN104817134A (zh) * | 2015-03-26 | 2015-08-05 | 中国海洋大学 | 一种采用超滤-纳滤-反渗透的全膜法海水淡化的集成系统以及集成工艺 |
CN105236659A (zh) * | 2015-11-06 | 2016-01-13 | 北京沃特尔水技术股份有限公司 | 一种脱硫废水的纳滤处理方法 |
CN108178408A (zh) * | 2017-12-26 | 2018-06-19 | 杭州水处理技术研究开发中心有限公司 | 一种脱硫废水处理的装置及方法 |
CN110734166A (zh) * | 2019-12-02 | 2020-01-31 | 中国海洋石油集团有限公司 | 一种海水高效淡化及综合利用的方法 |
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Inventor after: Liu Jianlu Inventor after: Yue Maowen Inventor after: Cao Jianyong Inventor after: Zhu Rongzhen Inventor after: Lai Yongliang Inventor after: Huang Huilin Inventor after: Yang Rong Inventor after: Jiang Zhi Inventor before: Liu Jianlu Inventor before: Yue Maowen Inventor before: Cao Jianyong Inventor before: Zhu Rongzhen Inventor before: Lai Yongliang Inventor before: Huang Huilin Inventor before: Yang Rong Inventor before: Jiang Zhi |
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