CN117819742A - Application of water-soluble functional auxiliary agent 2, 3-epoxypropylphosphine sodium in water treatment agent - Google Patents
Application of water-soluble functional auxiliary agent 2, 3-epoxypropylphosphine sodium in water treatment agent Download PDFInfo
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- CN117819742A CN117819742A CN202311656982.5A CN202311656982A CN117819742A CN 117819742 A CN117819742 A CN 117819742A CN 202311656982 A CN202311656982 A CN 202311656982A CN 117819742 A CN117819742 A CN 117819742A
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- Prior art keywords
- sodium
- water
- treatment agent
- water treatment
- soluble functional
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 38
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 25
- 239000011734 sodium Substances 0.000 title claims abstract description 25
- 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 claims abstract description 21
- 239000012752 auxiliary agent Substances 0.000 title claims abstract description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- -1 2, 3-epoxypropyl phosphonic acid sodium Chemical compound 0.000 claims description 15
- 229920001529 polyepoxysuccinic acid Polymers 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 230000035484 reaction time Effects 0.000 claims 1
- 239000006185 dispersion Substances 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000000178 monomer Substances 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- YPPQYORGOMWNMX-UHFFFAOYSA-L sodium phosphonate pentahydrate Chemical compound [Na+].[Na+].[O-]P([O-])=O YPPQYORGOMWNMX-UHFFFAOYSA-L 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 description 10
- 230000005764 inhibitory process Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- CUQAEAJXRPDBNM-UHFFFAOYSA-N oxiran-2-ylmethyl dihydrogen phosphate Chemical compound OP(O)(=O)OCC1CO1 CUQAEAJXRPDBNM-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000013538 functional additive Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- NSETWVJZUWGCKE-UHFFFAOYSA-N propylphosphonic acid Chemical compound CCCP(O)(O)=O NSETWVJZUWGCKE-UHFFFAOYSA-N 0.000 description 1
- 239000002455 scale inhibitor Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The invention relates to the technical field of scale formation prevention, in particular to application of a water-soluble functional auxiliary agent sodium 2, 3-epoxypropylphosphonate in a water treatment agent. Adding 3-chlorine-2-hydroxy propyl phosphonate sodium and water into a reaction kettle, heating to 30-35 ℃, then dripping sodium hydroxide, controlling the temperature not to exceed 35 ℃ at the same time, continuously reacting, and separating the product to obtain 2.3-epoxypropyl phosphonate sodium. The product can be used for modifying the water treatment agent and improving the dispersion performance of the original water treatment agent. The product is a water-soluble functional monomer, can be used for modifying a water treatment agent, and can increase the dispersion performance of the original water treatment agent.
Description
Technical Field
The invention relates to the technical field of scale formation prevention, in particular to application of a water-soluble functional auxiliary agent sodium 2, 3-epoxypropylphosphonate in a water treatment agent.
Background
The scale inhibitor is widely applied to cooling circulating water in metallurgy, power generation, chemical industry and the like, and is a medicament which can disperse insoluble inorganic salt in water, prevent or interfere precipitation of the insoluble inorganic salt on the metal surface, form scale, and maintain good heat transfer effect of metal equipment. Preventing scale formation, improving heat exchange efficiency, reducing electric energy or fuel consumption, and reducing pollution discharge.
Disclosure of Invention
In view of the above, the invention provides an application of a water-soluble functional auxiliary agent sodium 2, 3-epoxypropylphosphonate in a water treatment agent.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the structural formula of the 2, 3-epoxypropylphosphonate sodium is as follows:
C 3 H 5 NaO 4 P。
a preparation method of water-soluble functional auxiliary agent 2, 3-epoxypropylphosphonate sodium comprises the following steps:
adding 3-chloro 2-hydroxypropyl sodium phosphonate and water into a reaction kettle, heating to 30-35 ℃, then dropwise adding sodium hydroxide, simultaneously controlling the temperature not to exceed 35 ℃, continuously reacting for 3.5-4.5 hours, and distilling water to obtain 2, 3-epoxypropyl sodium phosphonate;
the mass ratio of the 3-chlorine 2-hydroxypropyl sodium phosphonate to the water to the sodium hydroxide is 3:10:5.
The application of the water-soluble functional auxiliary agent sodium 2, 3-epoxypropyl phosphonate applies the sodium 2, 3-epoxypropyl phosphonate to a water treatment agent to prevent the generation of scale, and the method comprises the following steps:
and (3) dropwise adding the sodium 2, 3-epoxypropylphosphonate into polyepoxysuccinic acid, and cooling after the reaction is finished to obtain the modified water treatment agent.
Description of the effects of the application: and (5) performing a scale inhibition experiment.
| Water treatment agent | Ca+ ions | Cl-ions | Static scale inhibition rate | PH of solution | Concentration ratio |
| Water treatment agent before modification | 768 | 150 | 85％ | 8.86 | 2.5 |
| Modified water treatment agent | 768 | 150 | 95％ | 8.4 | 2.5 |
The invention also provides application of the water-soluble functional auxiliary agent 2.3-epoxypropylphosphonate sodium in preparation of a modified water treatment agent.
The preparation method of the modified water treatment agent comprises the following steps:
2, 3-epoxypropyl phosphonic acid sodium is added into polyepoxysuccinic acid drop by drop to react for 5.5 to 6.5 hours, preferably 6 hours, the reaction temperature is controlled to be less than or equal to 35 ℃, preferably 30 to 35 ℃, and the modified water treatment agent is obtained after the reaction is finished.
Preferably, the mass ratio of the sodium 2.3-epoxypropylphosphonate to the polyepoxysuccinic acid=1:2.
The preparation method of the water-soluble functional auxiliary agent 2, 3-epoxypropylphosphonate sodium comprises the following processes:
adding 3-chlorine-2-hydroxy sodium propylphosphonate and water into a reaction kettle, heating to 30-35 ℃, then dropwise adding sodium hydroxide, simultaneously controlling the temperature not to exceed 35 ℃, continuously reacting for 4 hours, and separating the product to obtain the 2.3-epoxysodium propylphosphonate.
The mass ratio of 3-chloro-2-hydroxypropyl sodium phosphonate to water to sodium hydroxide=3:10:5.
The application of 2.3-epoxypropylphosphonate sodium serving as a water-soluble functional additive in the preparation of modified water treatment agents.
The preparation method of the modified water treatment agent comprises the following steps:
2, 3-epoxypropyl phosphonic acid sodium is added into polyepoxysuccinic acid drop by drop to react for 6 hours, the reaction temperature is controlled to be less than or equal to 35 ℃, and the modified water treatment agent is obtained after the reaction is finished and the temperature is reduced.
The mass ratio of the sodium epoxypropylphosphonate to the polyepoxysuccinic acid=1:2.
The invention discloses a preparation method and application of water-soluble functional auxiliary agent 2.3-sodium glycidoxyphosphonate, which comprises the steps of adding 3-chloro-2-sodium glycidoxyphosphonate and water into a reaction kettle, heating to 30-35 ℃, then dropwise adding sodium hydroxide, controlling the temperature to be not more than 35 ℃, continuously reacting, and separating the product to obtain the 2.3-sodium glycidoxyphosphonate. The product can be used for modifying the water treatment agent and improving the dispersion performance of the original water treatment agent.
Compared with the prior art, the invention discloses a preparation method of 2, 3-epoxypropylphosphonate sodium serving as a water-soluble functional auxiliary agent, which has the following beneficial effects: the product is a water-soluble functional monomer, can be used for modifying a water treatment agent, and can increase the dispersion performance of the original water treatment agent.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Preparation of water-soluble functional auxiliary agent 2.3-epoxypropylphosphonate sodium:
100g of water and 30g of 3-chloro-2-hydroxypropyl sodium phosphonate are added into a reaction kettle, the temperature is raised to 30-35 ℃, 50g of sodium hydroxide is then added dropwise, the temperature is controlled to be not more than 35 ℃ at the same time, the reaction is continued for 4 hours, and the product is separated to obtain the 2.3-epoxypropyl sodium phosphonate.
Example 2
The preparation of the modified water treatment agent comprises the following steps:
and (3) dropwise adding 10g of 2.3-epoxypropylphosphonate sodium into 20g of polyepoxysuccinic acid for reaction for 6 hours, controlling the reaction temperature to be less than or equal to 35 ℃, and cooling after the reaction is finished to obtain the modified water treatment agent.
Test example:
modified water treatment agent
| Water treatment agent | Ca+ ions | Cl-ions | Static scale inhibition rate | PH of solution | Concentration ratio |
| Water treatment agent before modification | 768 | 150 | 85％ | 8.86 | 2.5 |
| Modified water treatment agent | 768 | 150 | 95％ | 8.4 | 2.5 |
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The application of the water-soluble functional auxiliary agent 2, 3-epoxypropylphosphonate sodium in the water treatment agent is characterized in that:
the 2, 3-epoxypropyl phosphonic acid sodium is applied to the water treatment agent to prevent the generation of scale;
the water treatment agent is polyepoxysuccinic acid.
2. The application of the water-soluble functional auxiliary agent 2, 3-epoxypropyl phosphonate sodium in a water treatment agent, which is characterized in that:
and (3) dropwise adding the sodium 2, 3-epoxypropylphosphonate into polyepoxysuccinic acid, and cooling after the reaction is finished to obtain the modified water treatment agent.
3. The application of the water-soluble functional auxiliary agent 2, 3-epoxypropyl phosphonate sodium in a water treatment agent, which is characterized in that:
the reaction time is 5.5-6.5h, and the reaction temperature is 30-35 ℃;
the mass ratio of the 2, 3-epoxypropylphosphonic acid sodium to the polyepoxysuccinic acid is 1:2.
4. The application of the water-soluble functional auxiliary agent 2, 3-epoxypropyl phosphonate sodium in a water treatment agent, which is characterized in that:
the chemical formula of the 2, 3-epoxypropylphosphonate sodium is: c (C) 3 H 5 NaO 4 P has the structural formula:
5. the application of the water-soluble functional auxiliary agent 2, 3-epoxypropyl phosphonate sodium in a water treatment agent, which is characterized in that:
the method for preparing the 2, 3-epoxypropylphosphonate sodium comprises the following steps:
mixing 3-chlorine-2-hydroxy sodium propylphosphonate, water and sodium hydroxide for reaction at 30-35 ℃ for 3.5-4.5h, and distilling to obtain 2, 3-epoxypropyl sodium phosphonate;
the mass ratio of the 3-chlorine-2-hydroxy propyl sodium phosphonate to the water to the sodium hydroxide is 3:10:5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311656982.5A CN117819742A (en) | 2023-12-05 | 2023-12-05 | Application of water-soluble functional auxiliary agent 2, 3-epoxypropylphosphine sodium in water treatment agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311656982.5A CN117819742A (en) | 2023-12-05 | 2023-12-05 | Application of water-soluble functional auxiliary agent 2, 3-epoxypropylphosphine sodium in water treatment agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117819742A true CN117819742A (en) | 2024-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311656982.5A Pending CN117819742A (en) | 2023-12-05 | 2023-12-05 | Application of water-soluble functional auxiliary agent 2, 3-epoxypropylphosphine sodium in water treatment agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117819742A (en) |
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2023
- 2023-12-05 CN CN202311656982.5A patent/CN117819742A/en active Pending
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