CN104387298B - Method for converting calcium alkyl benzene sulfonate into sodium alkyl benzene sulfonate - Google Patents
Method for converting calcium alkyl benzene sulfonate into sodium alkyl benzene sulfonate Download PDFInfo
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- CN104387298B CN104387298B CN201410743509.5A CN201410743509A CN104387298B CN 104387298 B CN104387298 B CN 104387298B CN 201410743509 A CN201410743509 A CN 201410743509A CN 104387298 B CN104387298 B CN 104387298B
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- alkyl benzene
- sulfonate
- sodium
- calcium
- benzene sulfonate
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- 229910052791 calcium Inorganic materials 0.000 title claims abstract description 52
- 239000011575 calcium Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 45
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 40
- 239000011734 sodium Substances 0.000 title claims abstract description 40
- -1 calcium alkyl benzene Chemical class 0.000 title claims abstract description 29
- 229940077388 benzenesulfonate Drugs 0.000 title claims abstract description 27
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 39
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000706 filtrate Substances 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 239000002904 solvent Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 150000004996 alkyl benzenes Chemical class 0.000 claims description 36
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 36
- 125000000217 alkyl group Chemical group 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 7
- 238000002390 rotary evaporation Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 4
- 239000000376 reactant Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 239000005864 Sulphur Substances 0.000 claims description 2
- 230000004044 response Effects 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000012295 chemical reaction liquid Substances 0.000 abstract 2
- 238000001704 evaporation Methods 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 18
- 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 description 14
- 239000000047 product Substances 0.000 description 14
- 239000002994 raw material Substances 0.000 description 9
- 239000004094 surface-active agent Substances 0.000 description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 238000001819 mass spectrum Methods 0.000 description 6
- MZSDGDXXBZSFTG-UHFFFAOYSA-M sodium;benzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC=CC=C1 MZSDGDXXBZSFTG-UHFFFAOYSA-M 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 239000003729 cation exchange resin Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 description 4
- 238000010183 spectrum analysis Methods 0.000 description 4
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 3
- VNHHSBRJHXRDTE-UHFFFAOYSA-N benzenesulfonic acid;calcium Chemical compound [Ca].OS(=O)(=O)C1=CC=CC=C1 VNHHSBRJHXRDTE-UHFFFAOYSA-N 0.000 description 3
- 229910001424 calcium ion Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 238000003760 magnetic stirring Methods 0.000 description 3
- 239000012085 test solution Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- 150000008331 benzenesulfonamides Chemical class 0.000 description 1
- 229940092714 benzenesulfonic acid Drugs 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000005311 nuclear magnetism Effects 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- C07C303/32—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of salts of sulfonic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/01—Sulfonic acids
- C07C309/28—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C309/29—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton of non-condensed six-membered aromatic rings
- C07C309/30—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton of non-condensed six-membered aromatic rings of six-membered aromatic rings substituted by alkyl groups
- C07C309/31—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton of non-condensed six-membered aromatic rings of six-membered aromatic rings substituted by alkyl groups by alkyl groups containing at least three carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Lubricants (AREA)
Abstract
The invention provides a method for converting calcium alkyl benzene sulfonate into sodium alkyl benzene sulfonate. The method comprises the following steps: dispersing calcium alkyl benzene sulfonate in sodium hydroxide solution at molar ratio of 1:1.2-2.5, heating the solution to 30-60 deg.C, and introducing CO into the solution under stirring2Stopping the reaction when the pH value of the gas is 7-8 to obtain reaction liquid, cooling the reaction liquid, filtering to remove precipitate to obtain filtrate, and evaporating the solvent in the filtrate to obtain the sodium alkyl benzene sulfonate. The method provided by the invention is simple to operate, has high calcium removal efficiency, and is beneficial to the subsequent analysis of the alkylbenzene sulfonates.
Description
Technical field
The invention provides a kind of method that alkyl benzene calcium sulfonate is converted into sodium alkyl benzene sulfonate, belong to alkyl benzene sulphonate
Sodium preparing technical field.
Background technology
Detersive is a kind of typical additives in lube product, and it is by the inorganic salt institute of surfactant and parcel thereof
One near-spherical material of composition, is divided into sulfonate, alkyl monosulfide phenates and salicylic acid by its surfactant types difference
Salt detersive, wherein, sulfonate detergent is a class detersive the most frequently used, that consumption is maximum.
Surfactant in detersive is very big to the performance impact of lube product, particularly produces at marine lubricant
In product, the surfactant moieties in sulfonate detergent determines the stainless property of product, demulsification performance and point
Aqueous energy.
At present, the analysis of the surfactant moieties of p-sulfonic acid salt detersive has the sides such as infrared method, nuclear-magnetism method, ultraviolet method
Method.The most also see and be analyzed with mass spectrum, but mass spectral analysis usually requires that in surfactant and do not contains in addition to sodium
Other metal ion, with prevent confrontation spectrum pollution.Therefore, mass spectral analysis is used to need first clear to alkylsulfonate
Net agent processes, and alkyl benzene calcium sulfonate fractional conversion is become sodium alkyl benzene sulfonate.Existing processing method, as added
Sodium carbonate carries out the method precipitated, due to the particularity of the surfactant moieties in detersive so that it is can not be preferable
Be combined generation precipitation of calcium carbonate with the carbonate in solution, therefore can not effectively remove in alkyl benzene calcium sulfonate
Calcium；And the method using cation exchange resin, can not effectively calcium ion be removed through long time treatment.
Summary of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide one and alkyl benzene calcium sulfonate is converted into alkylbenzene
The method of sodium sulfonate, the method the surfactant of p-sulfonic acid salt detersive effectively can process, meets mass spectrum and divide
Analysis condition.
For reaching above-mentioned purpose, the invention provides a kind of side that alkyl benzene calcium sulfonate is converted into sodium alkyl benzene sulfonate
Method, comprises the following steps:
Being scattered in sodium hydroxide solution by alkyl benzene calcium sulfonate, alkyl benzene calcium sulfonate with the mol ratio of sodium hydroxide is
1:1.2-2.5, is heated to 30-60 DEG C by solution, under stirring condition, is passed through CO in solution2Gas；
When pH value is 7-8, stopped reaction, obtain reactant liquor；
After reactant liquor cooling, carry out filtration treatment, disgorging, obtain filtrate, the solvent being evaporated off in filtrate,
To sodium alkyl benzene sulfonate.
In above-mentioned preparation method, it is preferable that be passed through CO2The response time of gas controls as 2-3 hour, during reaction
Between be passed through CO from starting2Count.
In above-mentioned preparation method, it is preferable that the operation of the solvent being evaporated off in filtrate be vacuum be 80-300Pa,
Rotary evaporation is carried out under conditions of oil bath temperature 70-85 DEG C.
In above-mentioned preparation method, it is preferable that the alkyl of alkyl benzene calcium sulfonate is C16-C30Alkyl.
In above-mentioned preparation method, it is preferable that the mass concentration of sodium hydroxide solution is 10%-30%.
In above-mentioned preparation method, it is preferable that CO2The flow-control of gas is at 10-30mL/min.
In above-mentioned preparation method, it is preferable that filtration treatment uses filter membrane to carry out, and the aperture of the filter membrane used is
4-12μm。
In above-mentioned preparation method, the benzenesulfonic acid calcium used both can be synthesis benzenesulfonic acid calcium can also be petrobenzene sulphur
Acid calcium.
The method for transformation that the present invention provides contributes to alkyl benzene calcium sulfonate is converted into sodium alkyl benzene sulfonate, by by alkyl
Benzenesulfonic acid calcium solid joins in sodium hydroxide solution, is conducive to being mutually dissolved property between the two；By certain
Under temperature conditions, in sodium hydroxide solution, be passed through carbon dioxide can promote the generation of calcium carbonate, and make its with
The form of granule separates out in the solution, it is carried out filtration and just can effectively make calcium ion separate with target product；Incited somebody to action
Solution after filter carries out rotary evaporation can be quickly obtained purer sodium alkyl benzene sulfonate solid.
Compared with prior art, method provided by the present invention possesses advantages below:
1, the method p-sulfonic acid salt detersive surfactant utilizing the present invention processes, and can make its calcium ion content
It is reduced to below 50ppm, meets mass spectral analysis condition.
2, the method range of application of the present invention is wide, has both been suitable for converting synthesis benzenesulfonic acid calcium, and it is right also to be adapted for
Petrobenzene sulfoacid calcium converts.
3, the method PROCESS FOR TREATMENT of the present invention is fairly simple, it is simple to operation, it is organic that whole technical process does not introduce other
Compound impurities, it is ensured that the purity of sodium alkyl benzene sulfonate after conversion.
4, the method for the present invention only generates carbon after have employed sodium hydroxide and the carbon dioxide material of low cost, and reaction
Acid calcium and water, it is easy to sodium alkyl benzene sulfonate product separation and purification.
5, the solid benzene sulfonic acid sodium salt that the method using the present invention obtains after converting can directly configure solution and carry out mass spectral analysis,
Possesses feature quick, simple.
Accompanying drawing explanation
Fig. 1 is the mass spectrum of the product sodium alkyl benzene sulfonate in embodiment 1；
Fig. 2 is the mass spectrum of the product sodium alkyl benzene sulfonate in embodiment 2.
Detailed description of the invention
In order to the technical characteristic of the present invention, purpose and beneficial effect are more clearly understood from, the existing skill to the present invention
Art scheme carries out described further below, but it is not intended that to the present invention can the restriction of practical range.
Embodiment 1
Present embodiments provide a kind of method that alkyl benzene calcium sulfonate is converted into sodium alkyl benzene sulfonate, including following step
Rapid:
The single port flask of 500mL is placed, successively by concentration in the water-bath with magnetic stirring apparatus and heating function
Be 30% sodium hydroxide solution 0.7mL and alkyl benzene calcium sulfonate 2.38g join in single port flask, this benzene sulfonamide
Acid calcium is mixture, and its alkyl chain length is C16-C30(take C26Molecular weight as this alkyl benzene calcium sulfonate mean molecule
Amount, molal weight is 544.39g/mol), open stirring and in single port flask, be passed through two with the speed of 10mL/min
Carbon oxide gas, controlling reaction temperature is 30 DEG C；
Keep reaction 3 hours, it is seen that having Precipitation, test solution pH in reaction solution is 8, stopped reaction；
Use 4 micron membrane filter to filter after cooling, collect filtrate, be placed in BUCHI-R-215 equipment,
The vacuum of adjustment equipment is 80Pa, and oil bath temperature is 70 DEG C, carries out rotary evaporation, removes solution, obtains alkyl
Benzene sulfonic acid sodium salt solid.
The mass spectrum of this sodium alkyl benzene sulfonate is as shown in Figure 1.It will be seen from figure 1 that this sodium alkyl benzene sulfonate is predominantly
C16(M=441.0991) alkyl chain, has small part C simultaneously26(M=543.0159) benzene sulfonic acid sodium salt.
Raw material and product are detected by the method using CNS GB/T 17476-1998, after measured, and this
The sodium content of the raw material alkyl benzene calcium sulfonate of embodiment is 3940ppm, and calcium content is 10220ppm, prepared alkyl
The sodium content of benzene sulfonic acid sodium salt is 450ppm, and calcium content is 23ppm.
Meanwhile, use sodium carbonate precipitation and cation exchange resin processes that the raw material of the present embodiment is processed, and detect
Sodium content in the product obtained and calcium content, concrete data are shown in Table 1.
Embodiment 2
Present embodiments provide a kind of method that alkyl benzene calcium sulfonate is converted into sodium alkyl benzene sulfonate, including following step
Rapid:
In the water-bath with magnetic stirring apparatus and heating function, place the single port flask of 500mL, be 10% by concentration
Sodium hydroxide solution 1.2mL and alkyl benzene calcium sulfonate 0.65g join in single port flask, this alkyl benzene calcium sulfonate is
Mixture, its alkyl chain length is C16-C30(take C26Molecular weight as the mean molecule quantity of this alkyl benzene calcium sulfonate,
Molal weight is 544.39g/mol), open stirring and in single port flask, be passed through titanium dioxide with the speed of 30mL/min
Carbon gas, controlling reaction temperature is 60 DEG C；
Keep reaction 2 hours, it is seen that having Precipitation, test solution pH in reaction solution is 7, stopped reaction；
Use 8 micron membrane filter to filter after cooling, collect filtrate, be placed in BUCHI-R-215 equipment,
Adjusting equipment vacuum degree is 300Pa, and oil bath temperature is 85 DEG C, carries out rotary evaporation, removes solution, obtains alkylbenzene
Sodium sulfonate solid.
The mass spectrum of this sodium alkyl benzene sulfonate is as shown in Figure 2.Figure it is seen that this sodium alkyl benzene sulfonate is C19
And C (M=483.0660)21(M=511.0891) it is main, the most also C16(M=441.0898) benzenesulfonic acid
Sodium.
Raw material and product are detected by the method using CNS GB/T 17476-1998, after measured, and this
The sodium content of the raw material alkyl benzene calcium sulfonate of embodiment is 4100ppm, and calcium content is 11030ppm, prepared alkyl
The sodium content of benzene sulfonic acid sodium salt is 580ppm, and calcium content is 30ppm.
Meanwhile, use sodium carbonate precipitation and cation exchange resin processes that the raw material of the present embodiment is processed, and detect
Sodium content in the product obtained and calcium content, concrete data are shown in Table 1.
Embodiment 3
Present embodiments provide a kind of method that alkyl benzene calcium sulfonate is converted into sodium alkyl benzene sulfonate, including following step
Rapid:
In the water-bath with magnetic stirring apparatus and heating function, place the single port flask of 500mL, be 25% by concentration
Sodium hydroxide solution 0.76mL and alkyl benzene calcium sulfonate 1.3g join in single port flask, this alkyl benzene calcium sulfonate is
Mixture, its alkyl chain length is C16-C30(take C26Molecular weight as the mean molecule quantity of this alkyl benzene calcium sulfonate,
Molal weight is 544.39g/mol), open stirring and be passed through carbon dioxide with the speed of 15mL/min, controlling
Reaction temperature is 50 DEG C；
Keep reaction 2.5 hours, it is seen that having Precipitation, test solution pH in reaction solution is 8, stopped reaction；
Use 10 micron membrane filter to filter after cooling, collect filtrate, be placed in BUCHI-R-215 equipment,
Adjusting equipment vacuum degree is 180Pa, and oil bath temperature is 80 DEG C, carries out rotary evaporation, removes solvent, obtains alkylbenzene
Sodium sulfonate solid.
Raw material and product are detected by the method using CNS GB/T 17476-1998, after measured, and this
The sodium content of the raw material alkyl benzene calcium sulfonate of embodiment is 4120ppm, and calcium content is 13010ppm, prepared alkyl
The sodium content of benzene sulfonic acid sodium salt is 600ppm, and calcium content is 25ppm.
Meanwhile, use sodium carbonate precipitation and cation exchange resin processes that the raw material of embodiment 1-3 is processed, and examine
Sodium content in the product recorded and calcium content, concrete data are shown in Table 1.
Table 1 calcium content and sodium content test result
According to above-described embodiment it can be seen that alkyl benzene calcium sulfonate can be had conversion relatively by method provided by the present invention
Less than 50ppm, Mass Spectrometer Method requirement is met for calcium content after sodium alkyl benzene sulfonate, and conversion.The method is effective and rapid,
Can be as the quick method of detersive surfactant moieties analysis detection.
Claims (7)
1. the method that alkyl benzene calcium sulfonate is converted into sodium alkyl benzene sulfonate, comprises the following steps:
Being scattered in sodium hydroxide solution by alkyl benzene calcium sulfonate, alkyl benzene calcium sulfonate with the mol ratio of sodium hydroxide is
1:1.2-2.5, is heated to 30-60 DEG C by solution, under stirring condition, is passed through CO in solution2Gas reacts；
When pH value is 7-8, stopped reaction, obtain reactant liquor；
After reactant liquor cooling, carry out filtration treatment, disgorging, obtain filtrate, the solvent being evaporated off in filtrate, obtain
Sodium alkyl benzene sulfonate；
The alkyl of described alkyl benzene calcium sulfonate is C16-C30Alkyl.
The most the method for claim 1, wherein CO it is passed through2The response time of gas controlled as 2-3 hour.
The most the method for claim 1, wherein the operation that solvent in filtrate is evaporated off described in is to be in vacuum
Rotary evaporation is carried out under conditions of 80-300Pa, oil bath temperature 70-85 DEG C.
The mass concentration of the most described sodium hydroxide solution is 10%-30%.
The most the method for claim 1, wherein CO it is passed through described in2The flow-control of gas is at 10-30mL/min.
The most described filtration treatment uses filter membrane to carry out, the filter membrane used
Aperture be 4-12 μm.
7. the method as described in any one of claim 1-6, wherein, described alkyl benzene calcium sulfonate is synthesis of alkyl benzene sulphur
Acid calcium or petrobenzene sulfoacid calcium.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410743509.5A CN104387298B (en) | 2014-12-08 | 2014-12-08 | Method for converting calcium alkyl benzene sulfonate into sodium alkyl benzene sulfonate |
| PCT/CN2015/096648 WO2016091149A1 (en) | 2014-12-08 | 2015-12-08 | Method for converting calcium alkylbenzene sulfonate to sodium alkylbenzene sulfonate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410743509.5A CN104387298B (en) | 2014-12-08 | 2014-12-08 | Method for converting calcium alkyl benzene sulfonate into sodium alkyl benzene sulfonate |
Publications (2)
| Publication Number | Publication Date |
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| CN104387298A CN104387298A (en) | 2015-03-04 |
| CN104387298B true CN104387298B (en) | 2016-08-24 |
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Country Status (2)
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| CN (1) | CN104387298B (en) |
| WO (1) | WO2016091149A1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4867891A (en) * | 1988-08-26 | 1989-09-19 | Amoco Corporation | Overbased alkali metal sulfonates |
| CN1132198A (en) * | 1995-12-06 | 1996-10-02 | 齐正良 | Method of prodn. of solid sole fonate 102 and produced farm chemical emulgent |
| CN101602696B (en) * | 2009-05-26 | 2010-12-01 | 锦州康泰润滑油添加剂有限公司 | Preparation method of calcium sulfonate salt with low alkali value |
| US20130203639A1 (en) * | 2010-01-11 | 2013-08-08 | The Lubrizol Corporation | Overbased Alkylated Arylalkyl Sulfonates |
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| Publication number | Publication date |
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| WO2016091149A1 (en) | 2016-06-16 |
| CN104387298A (en) | 2015-03-04 |
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