CN110818101A - Low-phosphorus composite corrosion and scale inhibitor - Google Patents
Low-phosphorus composite corrosion and scale inhibitor Download PDFInfo
- Publication number
- CN110818101A CN110818101A CN201810920378.1A CN201810920378A CN110818101A CN 110818101 A CN110818101 A CN 110818101A CN 201810920378 A CN201810920378 A CN 201810920378A CN 110818101 A CN110818101 A CN 110818101A
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- acid
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- scale inhibitor
- composite corrosion
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
- C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
- C02F5/145—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus combined with inorganic substances
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/08—Corrosion inhibition
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Inorganic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses a low-phosphorus composite corrosion and scale inhibitor, which comprises the following raw materials in parts by weight: 4-10 parts of 2-phosphoric acid-1, 2, 4-butane tricarboxylate, 10-20 parts of phosphonoglycolic acid, 10-20 parts of polyacrylic acid, 14-28 parts of polymaleic anhydride, 15-30 parts of polyaspartic acid, 10-20 parts of polyepoxysuccinic acid, 2-6 parts of zinc sulfate heptahydrate, 1-10 parts of acrylic acid and hydroxypropyl acrylate copolymer, 15-30 parts of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer and 80-100 parts of water. The invention adopts the low-phosphorus composite corrosion and scale inhibitor, has reasonable formula design, can better treat the circulating cooling water and has lower phosphorus content.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a low-phosphorus composite corrosion and scale inhibitor.
Background
The corrosion and scale inhibitor is suitable for circulating cooling water systems, and is particularly suitable for treating the circulating cooling water with the pH value of water with medium hardness and medium alkalinity, wherein the sum of the calcium hardness and the total alkalinity is 100-300 mg/L. The prior corrosion and scale inhibitor has unreasonable formula design, poor capability of treating circulating cooling water, high phosphorus content and easy harm to the environment. Therefore, it is highly desirable to develop a low-phosphorous composite corrosion and scale inhibitor.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a low-phosphorus composite corrosion and scale inhibitor.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows: a low-phosphorus composite corrosion and scale inhibitor comprises the following raw materials in parts by weight: 4-10 parts of 2-phosphoric acid-1, 2, 4-butane tricarboxylate, 10-20 parts of phosphonoglycolic acid, 10-20 parts of polyacrylic acid, 14-28 parts of polymaleic anhydride, 15-30 parts of polyaspartic acid, 10-20 parts of polyepoxysuccinic acid, 2-6 parts of zinc sulfate heptahydrate, 1-10 parts of acrylic acid and hydroxypropyl acrylate copolymer, 15-30 parts of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer and 80-100 parts of water.
Preferably, the corrosion inhibitor also comprises benzotriazole and/or zinc sulfate and/or zinc chloride, and the effective concentration of the corrosion inhibitor is 0.5-1.5 mg/L.
Preferably, the low-phosphorus composite corrosion and scale inhibitor comprises the following raw materials in parts by weight: 4 parts of 2-phosphoric acid-1, 2, 4-butane tricarboxylate, 10 parts of phosphono glycolic acid, 10 parts of polyacrylic acid, 14 parts of polymaleic anhydride, 15 parts of polyaspartic acid, 10 parts of polyepoxysuccinic acid, 2 parts of zinc sulfate heptahydrate, 1 part of acrylic acid and hydroxypropyl acrylate copolymer, 15 parts of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer and 80 parts of water.
Preferably, the low-phosphorus composite corrosion and scale inhibitor comprises the following raw materials in parts by weight: 10 parts of 2-phosphoric acid-1, 2, 4-tricarboxylic acid butane, 20 parts of phosphono glycolic acid, 20 parts of polyacrylic acid, 28 parts of polymaleic anhydride, 30 parts of polyaspartic acid, 20 parts of polyepoxysuccinic acid, 6 parts of zinc sulfate heptahydrate, 10 parts of acrylic acid and hydroxypropyl acrylate copolymer, 30 parts of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer and 100 parts of water.
Preferably, the low-phosphorus composite corrosion and scale inhibitor comprises the following raw materials in parts by weight: 6 parts of 2-phosphoric acid-1, 2, 4-butane tricarboxylate, 15 parts of phosphono glycolic acid, 15 parts of polyacrylic acid, 20 parts of polymaleic anhydride, 25 parts of polyaspartic acid, 15 parts of polyepoxysuccinic acid, 4 parts of zinc sulfate heptahydrate, 5 parts of acrylic acid and hydroxypropyl acrylate copolymer, 20 parts of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer and 90 parts of water.
Preferably, the effective concentration of the corrosion inhibitor is 1 mg/L.
Based on the technical scheme, compared with the prior art, the invention has the following technical advantages:
the invention adopts a low-phosphorus composite corrosion and scale inhibitor, which comprises the following raw materials: the water-based cooling water treatment agent comprises 2-phosphoric acid group-1, 2, 4-butane tricarboxylate, phosphono glycolic acid, polyacrylic acid, polymaleic anhydride, polyaspartic acid, polyepoxysuccinic acid, zinc sulfate heptahydrate, acrylic acid and hydroxypropyl acrylate copolymer, acrylic acid-2-acrylamide-2-methyl propanesulfonic acid copolymer and water, and is reasonable in formula design, capable of better treating circulating cooling water and low in phosphorus content.
Detailed Description
The invention is further illustrated by the following examples.
Example 1
A low-phosphorus composite corrosion and scale inhibitor comprises the following raw materials in parts by weight: 4 parts of 2-phosphoric acid-1, 2, 4-butane tricarboxylate, 10 parts of phosphono glycolic acid, 10 parts of polyacrylic acid, 14 parts of polymaleic anhydride, 15 parts of polyaspartic acid, 10 parts of polyepoxysuccinic acid, 2 parts of zinc sulfate heptahydrate, 1 part of acrylic acid and hydroxypropyl acrylate copolymer, 15 parts of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer and 80 parts of water.
The corrosion inhibitor is benzotriazole and/or zinc sulfate and/or zinc chloride, and the effective concentration of the corrosion inhibitor is 1 mg/L.
Example 2
A low-phosphorus composite corrosion and scale inhibitor comprises the following raw materials in parts by weight: 10 parts of 2-phosphoric acid-1, 2, 4-tricarboxylic acid butane, 20 parts of phosphono glycolic acid, 20 parts of polyacrylic acid, 28 parts of polymaleic anhydride, 30 parts of polyaspartic acid, 20 parts of polyepoxysuccinic acid, 6 parts of zinc sulfate heptahydrate, 10 parts of acrylic acid and hydroxypropyl acrylate copolymer, 30 parts of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer and 100 parts of water.
The corrosion inhibitor is benzotriazole and/or zinc sulfate and/or zinc chloride, and the effective concentration of the corrosion inhibitor is 1 mg/L.
Example 3
A low-phosphorus composite corrosion and scale inhibitor comprises the following raw materials in parts by weight: 6 parts of 2-phosphoric acid-1, 2, 4-butane tricarboxylate, 15 parts of phosphono glycolic acid, 15 parts of polyacrylic acid, 20 parts of polymaleic anhydride, 25 parts of polyaspartic acid, 15 parts of polyepoxysuccinic acid, 4 parts of zinc sulfate heptahydrate, 5 parts of acrylic acid and hydroxypropyl acrylate copolymer, 20 parts of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer and 90 parts of water.
The corrosion inhibitor is benzotriazole and/or zinc sulfate and/or zinc chloride, and the effective concentration of the corrosion inhibitor is 1 mg/L.
The foregoing is illustrative and explanatory of the invention and is not intended to limit the advantages attainable thereby, and it is within the scope of the present application for any one or more of the advantages to be realized, whether simple changes in construction and/or implementation in some embodiments are possible in the practice of the invention.
Claims (6)
1. A low-phosphorus composite corrosion and scale inhibitor is characterized in that: the low-phosphorus composite corrosion and scale inhibitor comprises the following raw materials in parts by weight: 4-10 parts of 2-phosphoric acid-1, 2, 4-butane tricarboxylate, 10-20 parts of phosphonoglycolic acid, 10-20 parts of polyacrylic acid, 14-28 parts of polymaleic anhydride, 15-30 parts of polyaspartic acid, 10-20 parts of polyepoxysuccinic acid, 2-6 parts of zinc sulfate heptahydrate, 1-10 parts of acrylic acid and hydroxypropyl acrylate copolymer, 15-30 parts of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer and 80-100 parts of water.
2. The low-phosphorous composite corrosion and scale inhibitor according to claim 1, wherein: the corrosion inhibitor is benzotriazole and/or zinc sulfate and/or zinc chloride, and the effective concentration of the corrosion inhibitor is 0.5-1.5 mg/L.
3. The low-phosphorous composite corrosion and scale inhibitor according to claim 1, wherein: the low-phosphorus composite corrosion and scale inhibitor comprises the following raw materials in parts by weight: 4 parts of 2-phosphoric acid-1, 2, 4-butane tricarboxylate, 10 parts of phosphono glycolic acid, 10 parts of polyacrylic acid, 14 parts of polymaleic anhydride, 15 parts of polyaspartic acid, 10 parts of polyepoxysuccinic acid, 2 parts of zinc sulfate heptahydrate, 1 part of acrylic acid and hydroxypropyl acrylate copolymer, 15 parts of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer and 80 parts of water.
4. The low-phosphorous composite corrosion and scale inhibitor according to claim 1, wherein: the low-phosphorus composite corrosion and scale inhibitor comprises the following raw materials in parts by weight: 10 parts of 2-phosphoric acid-1, 2, 4-tricarboxylic acid butane, 20 parts of phosphono glycolic acid, 20 parts of polyacrylic acid, 28 parts of polymaleic anhydride, 30 parts of polyaspartic acid, 20 parts of polyepoxysuccinic acid, 6 parts of zinc sulfate heptahydrate, 10 parts of acrylic acid and hydroxypropyl acrylate copolymer, 30 parts of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer and 100 parts of water.
5. The low-phosphorous composite corrosion and scale inhibitor according to claim 1, wherein: the low-phosphorus composite corrosion and scale inhibitor comprises the following raw materials in parts by weight: 6 parts of 2-phosphoric acid-1, 2, 4-butane tricarboxylate, 15 parts of phosphono glycolic acid, 15 parts of polyacrylic acid, 20 parts of polymaleic anhydride, 25 parts of polyaspartic acid, 15 parts of polyepoxysuccinic acid, 4 parts of zinc sulfate heptahydrate, 5 parts of acrylic acid and hydroxypropyl acrylate copolymer, 20 parts of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer and 90 parts of water.
6. The low-phosphorous composite corrosion and scale inhibitor according to claim 2, wherein: the effective concentration of the corrosion inhibitor is 1 mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810920378.1A CN110818101A (en) | 2018-08-14 | 2018-08-14 | Low-phosphorus composite corrosion and scale inhibitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810920378.1A CN110818101A (en) | 2018-08-14 | 2018-08-14 | Low-phosphorus composite corrosion and scale inhibitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110818101A true CN110818101A (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810920378.1A Pending CN110818101A (en) | 2018-08-14 | 2018-08-14 | Low-phosphorus composite corrosion and scale inhibitor |
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| CN (1) | CN110818101A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112811620A (en) * | 2021-01-04 | 2021-05-18 | 山东天庆科技发展有限公司 | Low-phosphorus scale and corrosion inhibitor for circulating water |
| CN114524528A (en) * | 2022-03-12 | 2022-05-24 | 山东天庆科技发展有限公司 | High-efficiency low-phosphorus scale and corrosion inhibitor and preparation method thereof |
| CN115124151A (en) * | 2022-08-29 | 2022-09-30 | 欣格瑞（山东）环境科技有限公司 | Composite corrosion and scale inhibitor and preparation method and application thereof |
| CN115215471A (en) * | 2022-06-29 | 2022-10-21 | 矿冶科技集团有限公司 | Scale inhibitor for treating ionic rare earth ore leaching tail water and method for treating ionic rare earth ore leaching tail water |
-
2018
- 2018-08-14 CN CN201810920378.1A patent/CN110818101A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112811620A (en) * | 2021-01-04 | 2021-05-18 | 山东天庆科技发展有限公司 | Low-phosphorus scale and corrosion inhibitor for circulating water |
| CN114524528A (en) * | 2022-03-12 | 2022-05-24 | 山东天庆科技发展有限公司 | High-efficiency low-phosphorus scale and corrosion inhibitor and preparation method thereof |
| CN115215471A (en) * | 2022-06-29 | 2022-10-21 | 矿冶科技集团有限公司 | Scale inhibitor for treating ionic rare earth ore leaching tail water and method for treating ionic rare earth ore leaching tail water |
| CN115215471B (en) * | 2022-06-29 | 2023-11-07 | 矿冶科技集团有限公司 | Scale inhibitor for ion rare earth mine leaching tail water treatment and method for treating ion rare earth mine leaching tail water |
| CN115124151A (en) * | 2022-08-29 | 2022-09-30 | 欣格瑞（山东）环境科技有限公司 | Composite corrosion and scale inhibitor and preparation method and application thereof |
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| PB01 | Publication | ||
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Application publication date: 20200221 |