CN104591225A - 一种用于污水处理中盐硝分离过程的冷冻结晶提纯方法 - Google Patents
一种用于污水处理中盐硝分离过程的冷冻结晶提纯方法 Download PDFInfo
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- CN104591225A CN104591225A CN201510079755.XA CN201510079755A CN104591225A CN 104591225 A CN104591225 A CN 104591225A CN 201510079755 A CN201510079755 A CN 201510079755A CN 104591225 A CN104591225 A CN 104591225A
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- CN
- China
- Prior art keywords
- freezing
- sodium chloride
- salt
- water
- crystallizing
- Prior art date
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- Granted
Links
- 230000008014 freezing Effects 0.000 title claims abstract description 55
- 238000007710 freezing Methods 0.000 title claims abstract description 55
- 150000003839 salts Chemical class 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000002425 crystallisation Methods 0.000 title claims abstract description 39
- 230000008025 crystallization Effects 0.000 title claims abstract description 39
- 239000011734 sodium Substances 0.000 title claims abstract description 21
- 239000010865 sewage Substances 0.000 title abstract description 15
- 238000000746 purification Methods 0.000 title abstract description 11
- 238000000926 separation method Methods 0.000 title abstract description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title abstract 4
- 229910052708 sodium Inorganic materials 0.000 title abstract 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000011780 sodium chloride Substances 0.000 claims abstract description 39
- 239000000126 substance Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 3
- 239000012267 brine Substances 0.000 claims description 17
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 17
- 238000010924 continuous production Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 11
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 8
- 239000003245 coal Substances 0.000 claims description 7
- 239000012266 salt solution Substances 0.000 claims description 6
- 239000002351 wastewater Substances 0.000 claims description 4
- 238000002203 pretreatment Methods 0.000 claims description 3
- 239000010842 industrial wastewater Substances 0.000 claims description 2
- 238000010791 quenching Methods 0.000 claims description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract description 13
- 229910052938 sodium sulfate Inorganic materials 0.000 abstract description 8
- 235000011152 sodium sulphate Nutrition 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 229910002651 NO3 Inorganic materials 0.000 abstract 6
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 6
- 239000007832 Na2SO4 Substances 0.000 abstract 1
- 239000000498 cooling water Substances 0.000 abstract 1
- 238000004090 dissolution Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 7
- 239000012452 mother liquor Substances 0.000 description 5
- 241001131796 Botaurus stellaris Species 0.000 description 4
- 241001529739 Prunella <angiosperm> Species 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- -1 olefin hydrocarbon Chemical class 0.000 description 2
- 235000019600 saltiness Nutrition 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005695 dehalogenation reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001640 fractional crystallisation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
Description
Na2SO4含量(%) | |
实施例1 | 0.16 |
对比例1 | 2.71 |
对比例2 | 3.21 |
对比例3 | 1.69 |
对比例4 | 1.14 |
对比例5 | 0.39 |
Claims (10)
Priority Applications (1)
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CN201510079755.XA CN104591225B (zh) | 2015-02-13 | 2015-02-13 | 一种用于污水处理中盐硝分离过程的冷冻结晶提纯方法 |
Applications Claiming Priority (1)
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CN201510079755.XA CN104591225B (zh) | 2015-02-13 | 2015-02-13 | 一种用于污水处理中盐硝分离过程的冷冻结晶提纯方法 |
Publications (2)
Publication Number | Publication Date |
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CN104591225A true CN104591225A (zh) | 2015-05-06 |
CN104591225B CN104591225B (zh) | 2016-02-24 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105084651A (zh) * | 2015-07-28 | 2015-11-25 | 山西诺凯化工技术有限公司 | 一种煤化工浓盐废水的净化处理和纯盐回收工艺 |
CN106745440A (zh) * | 2017-03-07 | 2017-05-31 | 中石化炼化工程(集团)股份有限公司 | 脱硫盐水的处理方法及其应用 |
CN109607654A (zh) * | 2019-01-31 | 2019-04-12 | 内蒙古科技大学 | 浓盐水低温结晶除盐的装置、方法及应用 |
CN110316892A (zh) * | 2019-07-11 | 2019-10-11 | 马杰 | 一种高温酸性含锌废水的处理方法及其应用 |
CN113023981A (zh) * | 2021-04-27 | 2021-06-25 | 陈敏 | 一种结晶纯化水及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101041444A (zh) * | 2007-03-20 | 2007-09-26 | 山东布莱恩化工技术有限公司 | 盐水溶液冷冻分离芒硝的方法 |
CN204022607U (zh) * | 2014-08-15 | 2014-12-17 | 德州实华化工有限公司 | 一种冷冻脱硝系统 |
CN104261607A (zh) * | 2014-09-26 | 2015-01-07 | 浙江华友钴业股份有限公司 | 一种复杂萃余液的处理方法 |
CN104310433A (zh) * | 2014-10-11 | 2015-01-28 | 中国轻工业长沙工程有限公司 | 高硝盐水冷冻脱硝连续生产方法 |
-
2015
- 2015-02-13 CN CN201510079755.XA patent/CN104591225B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101041444A (zh) * | 2007-03-20 | 2007-09-26 | 山东布莱恩化工技术有限公司 | 盐水溶液冷冻分离芒硝的方法 |
CN204022607U (zh) * | 2014-08-15 | 2014-12-17 | 德州实华化工有限公司 | 一种冷冻脱硝系统 |
CN104261607A (zh) * | 2014-09-26 | 2015-01-07 | 浙江华友钴业股份有限公司 | 一种复杂萃余液的处理方法 |
CN104310433A (zh) * | 2014-10-11 | 2015-01-28 | 中国轻工业长沙工程有限公司 | 高硝盐水冷冻脱硝连续生产方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105084651A (zh) * | 2015-07-28 | 2015-11-25 | 山西诺凯化工技术有限公司 | 一种煤化工浓盐废水的净化处理和纯盐回收工艺 |
CN106745440A (zh) * | 2017-03-07 | 2017-05-31 | 中石化炼化工程(集团)股份有限公司 | 脱硫盐水的处理方法及其应用 |
CN109607654A (zh) * | 2019-01-31 | 2019-04-12 | 内蒙古科技大学 | 浓盐水低温结晶除盐的装置、方法及应用 |
CN110316892A (zh) * | 2019-07-11 | 2019-10-11 | 马杰 | 一种高温酸性含锌废水的处理方法及其应用 |
CN113023981A (zh) * | 2021-04-27 | 2021-06-25 | 陈敏 | 一种结晶纯化水及其制备方法 |
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CN104591225B (zh) | 2016-02-24 |
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