CN109053501A - A kind of sodium methanedisulfonate water-eliminating method - Google Patents
A kind of sodium methanedisulfonate water-eliminating method Download PDFInfo
- Publication number
- CN109053501A CN109053501A CN201811091455.3A CN201811091455A CN109053501A CN 109053501 A CN109053501 A CN 109053501A CN 201811091455 A CN201811091455 A CN 201811091455A CN 109053501 A CN109053501 A CN 109053501A
- Authority
- CN
- China
- Prior art keywords
- sodium methanedisulfonate
- water
- methanedisulfonate
- sodium
- emulsification
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/42—Separation; Purification; Stabilisation; Use of additives
- C07C303/44—Separation; Purification
Abstract
The invention discloses a kind of sodium methanedisulfonate water-eliminating methods, comprising the following steps: step 1: stock and water content confirmation: being prepared to the sodium methanedisulfonate that needs remove water and water content confirms；Step 2: heating: the sodium methanedisulfonate after inspection is heated；Step 3: transfer: the sodium methanedisulfonate after heating is transferred in the vacuum system with high-shear emulsion machine, opens vacuum and high-shear emulsion machine；Step 4: emulsification: sodium methanedisulfonate temperature is controlled at 180 DEG C -220 DEG C in emulsion process, keeps emulsification -60 minutes 30 minutes；Step 5: blowing: the sodium methanedisulfonate after emulsification is discharged.The present invention is stirred using high-shear emulsion machine, and solution may make to be brought rapidly up, and reduces heating schedule, and the thrifty energy does not have to organic solvent in removal process, reduces the generation of the three wastes, more environmentally friendly.
Description
Technical field
The present invention relates to chemical fields, more particularly to a kind of sodium methanedisulfonate water-eliminating method.
Background technique
Sodium methanedisulfonate is a kind of important fine chemical product.The sodium methanedisulfonate aqueous solution that content is 50% is mainly made
For plating catalyst, the sodium methanedisulfonate solid that content is 98% or more is mainly used for medicine, battery electrolyte field.
It needs to exclude moisture in sodium methanedisulfonate production process, common method one is heating distillation, goes to remove water
Point, such method needs to be lost a large amount of heat sources, and the water removal time is long；Common method two is addition n-hexane or toluene organic solvent
Or thionyl chloride water removal, first n-hexane or toluene organic solvent can generate waste water and gas waste liquid with water again after reaction, and
Yield is big, causes a large amount of generations of the three wastes, it is therefore desirable to find more environmentally-friendly method.
High-shear emulsion machine is mainly used in sodium methanedisulfonate and removes water field by the present invention, produces new technical effect.
High-shear emulsion machine is used in milk emulsification field originally, and liquid milk emulsify as semiliquid or solid, main function for except
Water uses for the first time in lithium battery additive and its extension product field, and water removal effect is good.
Summary of the invention
The object of the invention is that providing a kind of sodium methanedisulfonate water-eliminating method to solve the above-mentioned problems.
The present invention through the following technical solutions to achieve the above objectives:
A kind of sodium methanedisulfonate water-eliminating method, comprising the following steps:
Step 1: stock and water content confirmation: the sodium methanedisulfonate that needs remove water is prepared and water content carries out really
Recognize；Step 2: heating: the sodium methanedisulfonate after inspection is heated；Step 3: transfer: by the sodium methanedisulfonate after heating
It is transferred in the vacuum system with high-shear emulsion machine, opens vacuum and high-shear emulsion machine；Step 4: it emulsification: is emulsifying
Sodium methanedisulfonate temperature is controlled at 180 DEG C -220 DEG C in the process, keeps emulsifying -60 minutes 30 minutes, after high-shear emulsifying, energy
The hydrogen bond that sodium methanedisulfonate molecule and water are formed enough is destroyed, dehydration, drying are made it easier to；Step 5: blowing: to the first after emulsification
Base disulfonic acid is discharged.
Further, sodium methanedisulfonate water content is confirmed using moisture detector in the step 1.
Further, the sodium methanedisulfonate that water content is 10% will be detected in the step 1 to be put into heating kettle and be heated to
95 DEG C -105 DEG C, form liquid molten form.
Further, will add in the sodium methanedisulfonate of liquid molten form according to emulsification tankage size is proportional in the step 2
Enter (sodium methanedisulfonate of emulsion tank 500ml capacity addition 300g molten state, emulsion tank 1L capacity addition 600g-700g molten state
Sodium methanedisulfonate).
Further, the sodium methanedisulfonate solid content accounting released in the step 5 is 98.5%, and moisture content is low
In 1%.
Compared with the existing technology, advantages of the present invention is as follows:
The present invention is stirred using high-shear emulsion machine, and solution may make to be brought rapidly up, reduction heating schedule, the thrifty energy,
The water removal time is short, and water rem oval is high, and organic solvent is not had in removal process, and no organic wastewater reduces the generation of the three wastes, more
Environmental protection.
Specific embodiment
The present invention is further illustrated combined with specific embodiments below, but the invention is not limited to these to implement
Example.
Embodiment 1
A kind of sodium methanedisulfonate water-eliminating method, its step are as follows: step 1: stock and water content confirmation: to needing to remove water
Sodium methanedisulfonate be prepared, sodium methanedisulfonate water content is confirmed using moisture detector；Step 2: heating: will
The sodium methanedisulfonate that water content is 10% after inspection, which is put into heating kettle, is heated to 95 DEG C, forms liquid molten form；Step 3: turn
Move: by the liquid sodium methanedisulfonate after heating, according to the proportional addition of emulsification tankage size, (it is molten that 300g is added in emulsion tank 500ml capacity
Melt the sodium methanedisulfonate of state, the sodium methanedisulfonate of 600g-700g molten state is added in emulsion tank 1L capacity) have high-shear emulsion machine
Vacuum system in, open vacuum and high-shear emulsion machine；Step 4: emulsification: by sodium methanedisulfonate temperature in emulsion process
Control keeps emulsification 30 minutes at 180 DEG C, after high-shear emulsifying, can destroy the hydrogen bond that sodium methanedisulfonate molecule and water are formed,
Make it easier to dehydration, drying；Step 5: blowing: the sodium methanedisulfonate after emulsification is discharged.
Embodiment 2
A kind of sodium methanedisulfonate water-eliminating method, its step are as follows: step 1: stock and water content confirmation: to needing to remove water
Sodium methanedisulfonate be prepared, sodium methanedisulfonate water content is confirmed using moisture detector；Step 2: heating: will
The sodium methanedisulfonate that water content is 10% after inspection, which is put into heating kettle, is heated to 100 DEG C, forms liquid molten form；Step 3:
Transfer: (emulsion tank 500ml capacity addition 300g is added according to emulsification tankage size is proportional in the liquid sodium methanedisulfonate after heating
The sodium methanedisulfonate of 600g-700g molten state is added in the sodium methanedisulfonate of molten state, emulsion tank 1L capacity) have high-shear emulsifying
In the vacuum system of machine, vacuum and high-shear emulsion machine are opened；Step 4: emulsification: by sodium methanedisulfonate temperature in emulsion process
Degree control keeps emulsification 40 minutes at 200 DEG C, after high-shear emulsifying, can destroy the hydrogen that sodium methanedisulfonate molecule and water are formed
Key makes it easier to dehydration, drying；Step 5: blowing: the sodium methanedisulfonate after emulsification is discharged.
Embodiment 3
A kind of sodium methanedisulfonate water-eliminating method, its step are as follows: step 1: stock and water content confirmation: to needing to remove water
Sodium methanedisulfonate be prepared, sodium methanedisulfonate water content is confirmed using moisture detector；Step 2: heating: will
The sodium methanedisulfonate that water content is 10% after inspection, which is put into heating kettle, is heated to 105 DEG C, forms liquid molten form；Step 3:
Transfer: (emulsion tank 500ml capacity addition 300g is added according to emulsification tankage size is proportional in the liquid sodium methanedisulfonate after heating
The sodium methanedisulfonate of 600g-700g molten state is added in the sodium methanedisulfonate of molten state, emulsion tank 1L capacity) have high-shear emulsifying
In the vacuum system of machine, vacuum and high-shear emulsion machine are opened；Step 4: emulsification: by sodium methanedisulfonate temperature in emulsion process
Degree control keeps emulsification 50 minutes at 220 DEG C, after high-shear emulsifying, can destroy the hydrogen that sodium methanedisulfonate molecule and water are formed
Key makes it easier to dehydration, drying；Step 5: blowing: the sodium methanedisulfonate after emulsification is discharged.
Embodiment 4
A kind of sodium methanedisulfonate water-eliminating method, its step are as follows: step 1: stock and water content confirmation: to needing to remove water
Sodium methanedisulfonate be prepared, sodium methanedisulfonate water content is confirmed using moisture detector；Step 2: heating: will
The sodium methanedisulfonate that water content is 10% after inspection, which is put into heating kettle, is heated to 100 DEG C, forms liquid molten form；Step 3:
Transfer: (emulsion tank 500ml capacity addition 300g is added according to emulsification tankage size is proportional in the liquid sodium methanedisulfonate after heating
The sodium methanedisulfonate of 600g-700g molten state is added in the sodium methanedisulfonate of molten state, emulsion tank 1L capacity) have high-shear emulsifying
In the vacuum system of machine, vacuum and high-shear emulsion machine are opened；Step 4: emulsification: by sodium methanedisulfonate temperature in emulsion process
Degree control keeps emulsification 60 minutes at 210 DEG C, after high-shear emulsifying, can destroy the hydrogen that sodium methanedisulfonate molecule and water are formed
Key makes it easier to dehydration, drying；Step 5: blowing: the sodium methanedisulfonate after emulsification is discharged.
Embodiment described above only expresses several embodiments of the invention, and the description thereof is more specific and detailed, but not
Therefore energy is interpreted as the limitation of the invention patent range.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (5)
1. a kind of sodium methanedisulfonate water-eliminating method, it is characterised in that: the following steps are included: step 1: stock and water content confirmation:
The sodium methanedisulfonate that needs remove water is prepared and water content confirms；Step 2: heating: by two sulphur of methyl after inspection
Acid is heated；Step 3: the sodium methanedisulfonate after heating transfer: is transferred to the vacuum system with high-shear emulsion machine
It is interior, open vacuum and high-shear emulsion machine；Step 4: emulsification: sodium methanedisulfonate temperature is controlled 180 in emulsion process
DEG C -220 DEG C, keep emulsification -60 minutes 30 minutes；Step 5: blowing: the sodium methanedisulfonate after emulsification is discharged.
2. a kind of sodium methanedisulfonate water-eliminating method according to claim 1, it is characterised in that: methyl two in the step 1
Sulfonic acid water content is confirmed using moisture detector.
3. a kind of sodium methanedisulfonate water-eliminating method according to claim 1, it is characterised in that: will be detected in the step 1
The sodium methanedisulfonate that water content is 10%, which is put into heating kettle, is heated to 95 DEG C -105 DEG C, forms liquid molten form.
4. a kind of sodium methanedisulfonate water-eliminating method according to claim 1, it is characterised in that: will be in liquid in the step 2
The sodium methanedisulfonate of body molten state is added (emulsion tank 500ml capacity addition 300g molten state according to emulsification tankage size is proportional
The sodium methanedisulfonate of 600g-700g molten state is added in sodium methanedisulfonate, emulsion tank 1L capacity).
5. a kind of sodium methanedisulfonate water-eliminating method according to claim 1, it is characterised in that: released in the step 5
Sodium methanedisulfonate solid content accounting is 98.5%, and moisture content is lower than 1%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091455.3A CN109053501A (en) | 2018-09-19 | 2018-09-19 | A kind of sodium methanedisulfonate water-eliminating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091455.3A CN109053501A (en) | 2018-09-19 | 2018-09-19 | A kind of sodium methanedisulfonate water-eliminating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109053501A true CN109053501A (en) | 2018-12-21 |
Family
ID=64762108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811091455.3A Pending CN109053501A (en) | 2018-09-19 | 2018-09-19 | A kind of sodium methanedisulfonate water-eliminating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109053501A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285842A (en) * | 2011-07-27 | 2011-12-21 | 上海师范大学 | Tebuconazole-algae sustained-release microcapsule bactericide and preparation method thereof |
| CN102405988A (en) * | 2011-11-14 | 2012-04-11 | 辽宁省大连海洋渔业集团公司 | Method for extracting krill oil with high phospholipid content from krill |
| CN102887840A (en) * | 2011-07-23 | 2013-01-23 | 联化科技股份有限公司 | Method for preparing low-water-content solid methyl disulfonic acid through taking methylene chloride as raw material |
| JP2014062076A (en) * | 2012-09-24 | 2014-04-10 | Sumitomo Seika Chem Co Ltd | Methylenedisulfonyl chloride compound, methylene disulfonate compound and method for producing methylene disulfonate compound |
| CN108516944A (en) * | 2018-05-04 | 2018-09-11 | 苏州华新能源科技有限公司 | A kind of preparation method of methane-disulfonic acid |
-
2018
- 2018-09-19 CN CN201811091455.3A patent/CN109053501A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887840A (en) * | 2011-07-23 | 2013-01-23 | 联化科技股份有限公司 | Method for preparing low-water-content solid methyl disulfonic acid through taking methylene chloride as raw material |
| CN102285842A (en) * | 2011-07-27 | 2011-12-21 | 上海师范大学 | Tebuconazole-algae sustained-release microcapsule bactericide and preparation method thereof |
| CN102405988A (en) * | 2011-11-14 | 2012-04-11 | 辽宁省大连海洋渔业集团公司 | Method for extracting krill oil with high phospholipid content from krill |
| JP2014062076A (en) * | 2012-09-24 | 2014-04-10 | Sumitomo Seika Chem Co Ltd | Methylenedisulfonyl chloride compound, methylene disulfonate compound and method for producing methylene disulfonate compound |
| CN108516944A (en) * | 2018-05-04 | 2018-09-11 | 苏州华新能源科技有限公司 | A kind of preparation method of methane-disulfonic acid |
Non-Patent Citations (2)
| Title |
|---|
| 刘俊梅等: "高剪切分散乳化技术对大豆分离蛋白凝胶中水分状态的影响", 《现代食品科技》 * |
| 闫琴等: "亚甲基二磺酸的合成工艺研究", 《内蒙古石油化工》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103588190B (en) | A kind of method being prepared carbosphere by lignocellulose | |
| Wang et al. | Synthesis of sulfonated lignin-derived ordered mesoporous carbon for catalytic production of furfural from xylose | |
| JPH0531000A (en) | Selective hydrolysis and/or thermal decomposition of natural or synthetic polymer | |
| Shen et al. | Mechanochemical-assisted production of 5-hydroxymethylfurfural from high concentration of cellulose | |
| WO2010118103A1 (en) | Method for converting organic material into a renewable fuel | |
| CN108423961A (en) | A kind of sludge disposal method | |
| CN101693701A (en) | Purification process for vulcanization accelerator 2-mercaptobenzothiazole | |
| CN101942043A (en) | Method for preparing epoxidized natural rubber | |
| CN104211018A (en) | Method and device for recovering high-purity sulfur from sulfur foam | |
| KR101436428B1 (en) | Method for biodiesel from sludge and equipment comprising the same | |
| CN109053501A (en) | A kind of sodium methanedisulfonate water-eliminating method | |
| CN103058146A (en) | Method for recycling residues of sodium dithionite | |
| CN101463030B (en) | Method for preparing anethol trithione | |
| CN105000745B (en) | A kind of sulfur Gas Fields produced water treatment system | |
| CN106587549A (en) | Complete equipment of electroplating sludge resourceful treatment | |
| JP2009293011A (en) | Method for producing modified natural rubber and modified natural rubber latex, modified natural rubber, modified natural rubber latex, and tire using modified natural rubber | |
| CN103432974A (en) | Deaminizing and dewatering technology and special device for sodium persulfate (salt) synthetic fluid | |
| CN106810412A (en) | A kind of production method of the method and Dispersant MF for improving sulfonating reaction efficiency | |
| CN103146019B (en) | Emulsion type aluminum-plastic separation agent and method for using same to separate aluminum-plastic composite film | |
| CN108314022A (en) | A kind of method that the direct stripping of ionic liquid prepares graphene | |
| CN108128921A (en) | A kind of sewage disposal containing sodium thiocarbonate and resource recovery device and its method | |
| CN103121785A (en) | Medium-pressure pyrohydrolysis treatment method for sludge and application of medium-pressure pyrohydrolysis treatment method | |
| NL2024457B1 (en) | Method for simultaneously recovering furfural product and sulfuric acid catalyst from furfural residue | |
| CN106632062A (en) | Preparation method of tinidazole | |
| CN103130754A (en) | Process for preparing furfural from pentose |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181221 |
|
| WD01 | Invention patent application deemed withdrawn after publication |