CN102050764A - 羟乙基磺酸钠的提纯方法 - Google Patents
羟乙基磺酸钠的提纯方法 Download PDFInfo
- Publication number
- CN102050764A CN102050764A CN 201010566737 CN201010566737A CN102050764A CN 102050764 A CN102050764 A CN 102050764A CN 201010566737 CN201010566737 CN 201010566737 CN 201010566737 A CN201010566737 A CN 201010566737A CN 102050764 A CN102050764 A CN 102050764A
- Authority
- CN
- China
- Prior art keywords
- solution
- product
- sodium isethionate
- effect evaporator
- sodium
- 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.)
- Granted
Links
- LADXKQRVAFSPTR-UHFFFAOYSA-M sodium;2-hydroxyethanesulfonate Chemical compound [Na+].OCCS([O-])(=O)=O LADXKQRVAFSPTR-UHFFFAOYSA-M 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 14
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000001704 evaporation Methods 0.000 claims abstract description 9
- 239000000243 solution Substances 0.000 claims abstract description 8
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims abstract description 6
- 239000007864 aqueous solution Substances 0.000 claims abstract description 6
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims abstract description 6
- 239000013078 crystal Substances 0.000 claims abstract description 5
- 239000002904 solvent Substances 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims abstract description 4
- 239000010413 mother solution Substances 0.000 claims abstract description 3
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 229940045998 sodium isethionate Drugs 0.000 claims description 20
- 238000000746 purification Methods 0.000 claims description 12
- 238000002425 crystallisation Methods 0.000 claims description 11
- 230000008025 crystallization Effects 0.000 claims description 8
- 230000008020 evaporation Effects 0.000 claims description 8
- 238000005119 centrifugation Methods 0.000 claims description 6
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 239000012452 mother liquor Substances 0.000 claims description 3
- 238000001953 recrystallisation Methods 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000011549 crystallization solution Substances 0.000 abstract 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 229940001607 sodium bisulfite Drugs 0.000 abstract 1
- 239000000047 product Substances 0.000 description 21
- 239000012535 impurity Substances 0.000 description 6
- -1 polyoxyethylene Polymers 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- SUMDYPCJJOFFON-UHFFFAOYSA-N beta-hydroxyethanesulfonic acid Natural products OCCS(O)(=O)=O SUMDYPCJJOFFON-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 229960004756 ethanol Drugs 0.000 description 3
- 229940045996 isethionic acid Drugs 0.000 description 3
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007046 ethoxylation reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003845 household chemical Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Abstract
Description
指标 | 提纯前 | 提纯后 |
水分 | 0.27 | 0.2 |
pH值3%水溶液 | 10.3 | 7.8 |
纯度离子交换法 | 97.8 | 99.6 |
乙二醇含量 | 0.45 | 0.01 |
聚乙二醇含量 | 1.15 | 0.12 |
亚硫酸钠盐含量 | 0.09 | 0.001 |
羟乙基磺酸酯 | 0.24 | 0.069 |
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010105667371A CN102050764B (zh) | 2010-11-27 | 2010-11-27 | 羟乙基磺酸钠的提纯方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010105667371A CN102050764B (zh) | 2010-11-27 | 2010-11-27 | 羟乙基磺酸钠的提纯方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102050764A true CN102050764A (zh) | 2011-05-11 |
CN102050764B CN102050764B (zh) | 2012-05-23 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2010105667371A Active CN102050764B (zh) | 2010-11-27 | 2010-11-27 | 羟乙基磺酸钠的提纯方法 |
Country Status (1)
Country | Link |
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CN (1) | CN102050764B (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109694337A (zh) * | 2018-11-19 | 2019-04-30 | 万华化学集团股份有限公司 | 一种羟乙基磺酸钠椭球形晶体及其制备方法 |
CN110668471A (zh) * | 2019-10-22 | 2020-01-10 | 成都市科隆化学品有限公司 | 一种环保级过硫酸钾的提纯生产方法 |
CN112592296A (zh) * | 2020-12-21 | 2021-04-02 | 浙江新和成股份有限公司 | 一种连续反应生产羟乙基磺酸钠的方法 |
CN113045459A (zh) * | 2021-03-31 | 2021-06-29 | 潜江永安药业股份有限公司 | 一种去除羟乙基磺酸盐中硫酸根的方法 |
CN113801041A (zh) * | 2020-06-11 | 2021-12-17 | 万华化学集团股份有限公司 | 一种羟乙基磺酸钠的制备方法 |
CN114436904A (zh) * | 2020-11-06 | 2022-05-06 | 万华化学集团股份有限公司 | 一种环氧乙烷法制备羟乙基磺酸钠的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4003925A (en) * | 1974-04-01 | 1977-01-18 | Lever Brothers Company | Purification of sodium isethionate |
-
2010
- 2010-11-27 CN CN2010105667371A patent/CN102050764B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4003925A (en) * | 1974-04-01 | 1977-01-18 | Lever Brothers Company | Purification of sodium isethionate |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109694337A (zh) * | 2018-11-19 | 2019-04-30 | 万华化学集团股份有限公司 | 一种羟乙基磺酸钠椭球形晶体及其制备方法 |
CN110668471A (zh) * | 2019-10-22 | 2020-01-10 | 成都市科隆化学品有限公司 | 一种环保级过硫酸钾的提纯生产方法 |
CN113801041A (zh) * | 2020-06-11 | 2021-12-17 | 万华化学集团股份有限公司 | 一种羟乙基磺酸钠的制备方法 |
CN113801041B (zh) * | 2020-06-11 | 2023-01-13 | 万华化学集团股份有限公司 | 一种羟乙基磺酸钠的制备方法 |
CN114436904A (zh) * | 2020-11-06 | 2022-05-06 | 万华化学集团股份有限公司 | 一种环氧乙烷法制备羟乙基磺酸钠的方法 |
CN114436904B (zh) * | 2020-11-06 | 2023-05-26 | 万华化学集团股份有限公司 | 一种环氧乙烷法制备羟乙基磺酸钠的方法 |
CN112592296A (zh) * | 2020-12-21 | 2021-04-02 | 浙江新和成股份有限公司 | 一种连续反应生产羟乙基磺酸钠的方法 |
CN112592296B (zh) * | 2020-12-21 | 2023-01-20 | 浙江新和成股份有限公司 | 一种连续反应生产羟乙基磺酸钠的方法 |
CN113045459A (zh) * | 2021-03-31 | 2021-06-29 | 潜江永安药业股份有限公司 | 一种去除羟乙基磺酸盐中硫酸根的方法 |
Also Published As
Publication number | Publication date |
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CN102050764B (zh) | 2012-05-23 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for purifying sodium hydroxyethyl sulphonate Effective date of registration: 20130719 Granted publication date: 20120523 Pledgee: Bank of China, Limited by Share Ltd, Jilin branch Pledgor: Jilin Zhongxin Chemical Group Co., Ltd. Registration number: 2013990000476 |
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Date of cancellation: 20140626 Granted publication date: 20120523 Pledgee: Bank of China, Limited by Share Ltd, Jilin branch Pledgor: Jilin Zhongxin Chemical Group Co., Ltd. Registration number: 2013990000476 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for purifying sodium hydroxyethyl sulphonate Effective date of registration: 20140627 Granted publication date: 20120523 Pledgee: Bank of China, Limited by Share Ltd, Jilin branch Pledgor: Jilin Zhongxin Chemical Group Co., Ltd. Registration number: 2014990000517 |
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PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180129 Granted publication date: 20120523 Pledgee: Bank of China, Limited by Share Ltd, Jilin branch Pledgor: Jilin Zhongxin Chemical Group Co., Ltd. Registration number: 2014990000517 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for purifying sodium hydroxyethyl sulphonate Effective date of registration: 20200715 Granted publication date: 20120523 Pledgee: Jilin Railway Investment and Development Co., Ltd Pledgor: JILIN ZHONGXIN CHEMICAL GROUP Co.,Ltd. Registration number: Y2020220000050 |