CN113735321A - Reverse osmosis scale inhibitor and preparation method and application thereof - Google Patents
Reverse osmosis scale inhibitor and preparation method and application thereof Download PDFInfo
- Publication number
- CN113735321A CN113735321A CN202111070391.0A CN202111070391A CN113735321A CN 113735321 A CN113735321 A CN 113735321A CN 202111070391 A CN202111070391 A CN 202111070391A CN 113735321 A CN113735321 A CN 113735321A
- Authority
- CN
- China
- Prior art keywords
- reverse osmosis
- acid
- parts
- scale inhibitor
- scale
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- 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
- C02F5/12—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 nitrogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
- C02F2303/16—Regeneration of sorbents, filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention belongs to the technical field of scale inhibitors. The invention provides a reverse osmosis scale inhibitor which comprises the following components in parts by mass: 15-25 parts of sulfonic acid methylamino polyepoxysuccinic acid; 15-25 parts of polyaspartic acid/aminomethane sulfonic acid graft; 5-12 parts of 2-phosphate-1, 2, 4-tricarboxylic acid butane; 3-8 parts of alkyl glycoside; 3-10 parts of a dispersing agent; 3-7 parts of 3,5, 5-trimethylhexanoic acid; 20-40 parts of water. The invention also provides a preparation method and application of the reverse osmosis scale inhibitor. The reverse osmosis scale inhibitor disclosed by the invention realizes high scale inhibition rate under low addition amount, has stable high water yield and membrane flux, has long lasting time, obviously improves the scale inhibition effect on various ions in the coking sewage, and has better emulsification dispersion scale inhibition effect on organic matters, high turbidity and high salt content substances in the coking sewage.
Description
Technical Field
The invention relates to the technical field of scale inhibitors, in particular to a reverse osmosis scale inhibitor and a preparation method and application thereof.
Background
The main components of the coking sewage comprise volatile phenol, mineral oil, cyanide, phenol, benzene compounds, ammonia nitrogen and the like, the concentration of the coking sewage is high, the pollutant components are complex, and the coking sewage belongs to one of industrial waste water which is difficult to treat. The utilization of the reverse osmosis system for recycling the coking sewage is an important way for solving the water resource crisis and environmental pollution and is an effective method for coordinating water resources and water environment.
The reverse osmosis membrane is a core component of a reverse osmosis system, and in the reverse osmosis membrane treatment process, pollutants in wastewater easily generate sediments on the surface of the membrane, so that the pollutants seriously affect the water yield of the membrane, reduce the desalination rate, greatly reduce the service life of the membrane and influence the normal operation of a membrane device. The coking wastewater has the characteristics of high organic matter content, high salt content, high oil content and the like, and is easier to scale on the surface of a reverse osmosis membrane to cause membrane fouling and blocking. In order to prevent or reduce scaling, it is often necessary to add scale inhibitors to the reverse osmosis system.
The conventional scale inhibitor is generally composed of organic phosphine compounds such as organic polycarboxylic acid, organic phosphine carboxylic acid, organic phosphate and the like and water-soluble polymers or copolymers, has good effect on treating common calcium carbonate scale, but has poor scale inhibition performance, low desalination rate, insignificant hardness reduction, low water yield, high reverse osmosis equipment cleaning frequency and short service life when being applied to high-organic matter, high-hardness, high-salt content and high-turbidity coking sewage.
Therefore, the reverse osmosis scale inhibitor for effectively treating the coking sewage is researched and developed, the scale inhibition performance, the desalination rate, the water yield and the service life of the reverse osmosis membrane are improved, the hardness of the coking sewage and the cleaning frequency of reverse osmosis equipment are obviously reduced, and the reverse osmosis scale inhibitor has important economic value and environmental benefit.
Disclosure of Invention
The invention aims to provide a reverse osmosis scale inhibitor and a preparation method thereof aiming at the defects of the prior art, and aims to solve the problems of poor scale inhibition performance, short service life and poor hardness and desalination rate reduction effect of reverse osmosis membranes in coking wastewater in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a reverse osmosis scale inhibitor which comprises the following components in parts by mass:
preferably, the dispersant comprises one or more of acrylic acid/hydroxypropyl acrylate/sulfonate copolymer, carboxylate/sulfonate/nonionic terpolymer and acrylic acid/acrylate/phosphoric acid/sulfonate tetrapolymer.
Preferably, the reverse osmosis scale inhibitor comprises the following components in parts by mass:
the invention also provides a preparation method of the reverse osmosis scale inhibitor, which comprises the following steps:
1) mixing sulfonic acid methylamino polyepoxysuccinic acid, polyaspartic acid/amino methanesulfonic acid graft, alkyl glycoside and part of water to obtain a mixture;
2) and mixing the mixture, 2-phosphate-1, 2, 4-butane tricarboxylate, a dispersant, 3,5, 5-trimethylhexanoic acid and the residual water to obtain the reverse osmosis scale inhibitor.
Preferably, the mixing temperature in the step 1) is 35-45 ℃, and the mixing time is 0.5-1.5 h.
Preferably, the mixing temperature in the step 2) is 50-60 ℃, and the time is 0.5-1 h.
Preferably, the mass ratio of the partial water in the step 1) to the residual water in the step 2) is 1-2: 1.
The invention also provides application of the reverse osmosis scale inhibitor in treating coking wastewater.
The beneficial effects of the invention include the following:
1) the reverse osmosis scale inhibitor has good compatibility of each component, enhances water solubility and stability after being compounded, can be stored for a long time, obviously improves the scale inhibition effect on various ions in the coking sewage, has better emulsification dispersion scale inhibition effect on organic matters, high turbidity and high salt content substances in the coking sewage, is widely suitable for water systems under the conditions of high alkali and high hardness, and can realize high concentration multiple operation.
2) The reverse osmosis scale inhibitor has good dispersion surface activity, can be used in a wider pH range and temperature, and has good biodegradability.
3) The reverse osmosis scale inhibitor disclosed by the invention realizes high scale inhibition rate under low addition amount, has stable high water yield and membrane flux, and has long lasting time.
Detailed Description
The invention provides a reverse osmosis scale inhibitor which comprises the following components in parts by mass:
the reverse osmosis scale inhibitor comprises 15-25 parts of sulfonic acid methylamino polyepoxysuccinic acid, preferably 18-22 parts, and more preferably 20 parts.
The sulfonic acid methylamino has sulfonic acid groups, can disperse and suspend dirt, improve the surface activity, prevent the fouling of a reverse osmosis membrane, slow down the aggregation period of the pollutant, prolong the cleaning period of the reverse osmosis system, and is an excellent chelating agent. The sulfonic acid methylamino polyepoxysuccinic acid has excellent scale inhibition performance and good compounding synergistic effect, the structure of the sulfonic acid methylamino polyepoxysuccinic acid contains various hydrophilic groups such as carboxyl, ether, amino, hydroxyl, sulfonic acid and the like, the solubility of the compound can be improved, a coordination compound is formed on the surface of metal for chemical adsorption, the scale inhibition performance is enhanced, and the scale inhibition performance is greatly improved by the synergistic effect of various functional groups. The sulfonic acid methylamino polyepoxysuccinic acid has good degradability.
The reverse osmosis scale inhibitor comprises 15-25 parts of polyaspartic acid/aminomethane sulfonic acid graft, preferably 17-23 parts, more preferably 18-21 parts, and even more preferably 20 parts.
The structure of the polyaspartic acid/aminomethane sulfonic acid graft contains a plurality of hydrophilic groups such as amino, carboxyl, sulfonic group and the like, can improve the solubility and the scale inhibition performance of the compound, and can realize more than 99.5 percent CaSO inhibition under low addition4Scale, more than 97% of CaCO3Scale and Ca inhibition2(PO4)2The scale rate and the scale inhibition rate are obviously superior to those of single polyaspartic acid and single aminomethane sulfonic acid; radix asparagiThe amino acid/amino methanesulfonic acid graft contains a large amount of carboxylate ions, can be fully adsorbed with crystal nucleus, greatly reduces the growth speed of the crystal nucleus and delays the generation of scale.
The reverse osmosis scale inhibitor comprises 5-12 parts of 2-phosphate-1, 2, 4-tricarboxylic acid butane, preferably 6-11 parts, more preferably 8-10 parts, and even more preferably 9 parts.
The sulfonic acid methylamino polyepoxysuccinic acid, the polyaspartic acid/aminomethane sulfonic acid graft and the 2-phosphoric acid group-1, 2, 4-tricarboxylic acid butane have good corrosion and scale inhibition effects, have obvious synergistic interaction after being compounded, can improve the dispersion effect and the scale inhibition effect, can ensure that deposited crystals generate lattice distortion to achieve the purpose of scale inhibition, and are used for preventing the deposition of calcium carbonate, calcium silicate, calcium sulfate and calcium phosphate salt. Moreover, the degradation is good, and the environment is not polluted.
The reverse osmosis scale inhibitor comprises 3-8 parts of alkyl glycoside, preferably 4-7 parts, and more preferably 5-6 parts.
The alkyl glycoside of the invention has low surface tension, strong detergency and salt resistance, strong acid and alkali resistance, strong compatibility, no toxicity, no harm and good biodegradability, can be compounded with any type of surfactant, and has obvious synergistic effect.
The reverse osmosis scale inhibitor comprises 3-10 parts of a dispersing agent, preferably 4-8 parts, more preferably 5-7 parts, and even more preferably 6 parts.
The dispersant of the invention preferably comprises one or more of acrylic acid/hydroxypropyl acrylate/sulfonate copolymer, carboxylate/sulfonate/nonionic terpolymer and acrylic acid/acrylate/phosphoric acid/sulfonate tetrapolymer; when the dispersant contains several components at the same time, the components are preferably mixed in an equal mass ratio.
The reverse osmosis scale inhibitor comprises 3-7 parts of 3,5, 5-trimethylhexanoic acid, preferably 4-6 parts, and more preferably 5 parts.
The sulfonic acid methylamino polyepoxysuccinic acid, the polyaspartic acid/aminomethanesulfonic acid graft, the 2-phosphoric acid group-1, 2, 4-tricarboxylic acid butane, the alkyl glycoside, the dispersing agent and the 3,5, 5-trimethylhexanoic acid have good compatibility, the water solubility and the stability are enhanced after compounding, the storage time is long, the scale inhibition effect on various ions in the coking sewage is obviously improved, and the emulsifying, dispersing and scale inhibiting effect on organic matters, high turbidity and high salt content substances in the coking sewage is better, so that the sulfonic acid methylamino polyepoxysuccinic acid, the polyaspartic acid/aminomethanesulfonic acid graft, the 2-phosphoric acid group-1, 2, 4-tricarboxylic acid butane, the alkyl glycoside, the dispersing agent and the 3,5, 5-trimethylhexanoic acid are widely applied to water systems under the conditions of high alkali, high hardness and high pH, and can realize the operation with high concentration multiple.
The reverse osmosis scale inhibitor comprises 20-40 parts of water, preferably 25-35 parts of water, more preferably 28-32 parts of water, and even more preferably 30 parts of water.
The invention also provides a preparation method of the reverse osmosis scale inhibitor, which comprises the following steps:
1) mixing sulfonic acid methylamino polyepoxysuccinic acid, polyaspartic acid/amino methanesulfonic acid graft, alkyl glycoside and part of water to obtain a mixture;
2) and mixing the mixture, 2-phosphate-1, 2, 4-butane tricarboxylate, a dispersant, 3,5, 5-trimethylhexanoic acid and the residual water to obtain the reverse osmosis scale inhibitor.
The mixing temperature in the step 1) of the invention is preferably 35-45 ℃, more preferably 37-42 ℃, and more preferably 39-40 ℃; the mixing time is preferably 0.5 to 1.5 hours, and more preferably 1 hour.
The mixing temperature in the step 2) of the invention is preferably 50-60 ℃, more preferably 52-57 ℃, and more preferably 54-55 ℃; the mixing time is preferably 0.5 to 1 hour, and more preferably 0.75 hour.
The mass ratio of the partial water in the step 1) to the residual water in the step 2) is preferably 1-2: 1, and more preferably 1: 1.
The invention also provides application of the reverse osmosis scale inhibitor in treating coking wastewater.
The concentration of the reverse osmosis scale inhibitor in the coking sewage treatment process is preferably 3 to
10mg/L, more preferably 5-8 mg/L, and even more preferably 6-7 mg/L; the reverse osmosis scale inhibitor can inhibit the generation of dirt on the surface of the reverse osmosis membrane under low dosage, improve the efficiency and the water flux of the reverse osmosis membrane and prolong the service life of the reverse osmosis membrane.
The technical solutions provided by the present invention are described in detail below with reference to examples, but they should not be construed as limiting the scope of the present invention.
Example 1
15g of sulfonic acid methylaminopolyepoxysuccinic acid, 16g of polyaspartic acid/aminomethanesulfonic acid graft, 4g of alkylglycoside and 11g of water were mixed at 37 ℃ for 1.5h to obtain a homogeneous mixture. The mixture, 6g of 2-phosphoric acid group-1, 2, 4-tricarboxylic acid butane, 4g of acrylic acid/hydroxypropyl acrylate/sulfonate copolymer, 3g of 3,5, 5-trimethylhexanoic acid and 11g of water were mixed at 52 ℃ for 1 hour to obtain a reverse osmosis scale inhibitor.
Example 2
22g of sulfonic acid methylaminopolyepoxysuccinic acid, 23g of polyaspartic acid/aminomethanesulfonic acid graft, 8g of alkylglycoside and 26g of water were mixed at 45 ℃ for 0.5h to obtain a homogeneous mixture. The mixture, 12g of 2-phosphoric acid group-1, 2, 4-tricarboxylic acid butane, 8g of carboxylate/sulfonate/nonionic terpolymer, 7g of 3,5, 5-trimethylhexanoic acid and 13g of water were mixed at 57 ℃ for 0.5h to obtain a reverse osmosis scale inhibitor.
Example 3
20g of sulfonic acid methylaminopolyepoxysuccinic acid, 20g of polyaspartic acid/aminomethanesulfonic acid graft, 5g of alkylglycoside and 15g of water were mixed at 40 ℃ for 1 hour to obtain a uniform mixture. The mixture, 8g of 2-phosphoric acid group-1, 2, 4-tricarboxylic acid butane, 6g of carboxylate/sulfonate/nonionic terpolymer, 5g of 3,5, 5-trimethylhexanoic acid and 15g of water were mixed at 55 ℃ for 0.75h to obtain a reverse osmosis scale inhibitor.
Comparative example 1
The polyaspartic acid/aminomethanesulfonic acid graft of example 3 was replaced with polyaspartic acid of equal mass, and the alkylglycoside was replaced with dioctadecyldimethylammonium bromide of equal mass, under the same conditions as in example 3.
Comparative example 2
The sulfonic acid methylamino polyepoxy succinic acid of example 3 was replaced with polyepoxy succinic acid of an equal mass, 2-phosphoric acid group-1, 2, 4-tricarboxylic acid butane was replaced with aminotrimethylene phosphonic acid of an equal mass, 3,5, 5-trimethylhexanoic acid was not added, and other conditions were the same as in example 3.
Comparative example 3
20g of the sulfonic acid methylamino polyepoxy succinic acid and 20g of the polyaspartic acid/aminomethane sulfonic acid graft of example 3 were changed to 35g of the sulfonic acid methylamino polyepoxy succinic acid and 10g of the polyaspartic acid/aminomethane sulfonic acid graft, respectively, and the mixing temperatures were changed to 40 ℃ and 55 ℃ and 70 ℃, respectively, and the other conditions were the same as those of example 3.
Taking 6 groups of coking sewage with the same conditions, and Ca in the coking sewage2+The concentration is 350mg/L, SO4 2-Concentration 900mg/L, CO3 2-At a concentration of 500mg/L, PO4 3-The concentration is 100mg/L, and the pH value of the wastewater is adjusted to 8.8. The reverse osmosis scale inhibitors of the same mass in the examples 1-3 and the comparative examples 1-3 were added to the same reverse osmosis membranes, and then 6 groups of reverse osmosis membranes were added to 1L of the coking wastewater, respectively, wherein the concentration of the reverse osmosis scale inhibitor in the coking wastewater was 4 mg/L. Scale inhibition performance tests were performed on the reverse osmosis scale inhibitors of examples 1 to 3 and comparative examples 1 to 3, and the results are shown in table 1.
And then adding the reverse osmosis scale inhibitors of the examples 1 to 3 and the comparative examples 1 to 3 with the same mass into the coking wastewater according to the conditions, wherein the only difference from the operation is that the concentration of 6 groups of reverse osmosis scale inhibitors in the coking wastewater is 8mg/L, and the results of scale inhibition performance tests on the reverse osmosis scale inhibitors of the examples 1 to 3 and the comparative examples 1 to 3 are shown in Table 1.
TABLE 1 Scale inhibition Performance test results of different reverse osmosis scale inhibitors
Examples 1 to 3 reverse osmosis scale inhibitors CaSO in coking wastewater4、CaCO3And Ca2(PO4)3The scale inhibition rate of the scale is very high, and the concentration of the reverse osmosis scale inhibitor is 4mg/L to CaSO4The scale inhibition rate reaches over 99.5 percent, and the scale inhibitor is used for CaCO3And Ca2(PO4)3The scale inhibition rate reaches more than 98 percent, and when the concentration of the reverse osmosis scale inhibitor is 8mg/L, the scale inhibitor can treat CaSO4The scale inhibition rate reaches 100%, the dosage is small, and the cost is low.
The reverse osmosis scale inhibitor has good emulsification dispersion scale inhibition effect on high organic matters, high turbidity and high salt content substances in coking sewage, is widely applied to high-alkali and high-hardness coking sewage, can obviously reduce hardness value of the coking sewage, improve desalination rate of the coking sewage, stabilize water flux of a reverse osmosis membrane, improve water quality, and can keep the surface of the reverse osmosis membrane clean and inhibit the generation of dirt on the surface of the reverse osmosis membrane by using the reverse osmosis scale inhibitor with low addition amount.
The reverse osmosis scale inhibitor can prolong the cleaning period of a reverse osmosis system to 2-5 times of the original cleaning period, and prolong the service life of the reverse osmosis membrane.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The reverse osmosis scale inhibitor is characterized by comprising the following components in parts by mass:
2. the reverse osmosis scale inhibitor of claim 1, wherein the dispersant comprises one or more of an acrylic acid/hydroxypropyl acrylate/sulfonate copolymer, a carboxylate/sulfonate/nonionic terpolymer, and an acrylic acid/acrylate/phosphoric acid/sulfonate tetrapolymer.
3. The reverse osmosis scale inhibitor according to claim 1 or 2, which comprises the following components in parts by mass:
4. the method for preparing the reverse osmosis scale inhibitor according to any one of claims 1 to 3, characterized by comprising the following steps:
1) mixing sulfonic acid methylamino polyepoxysuccinic acid, polyaspartic acid/amino methanesulfonic acid graft, alkyl glycoside and part of water to obtain a mixture;
2) and mixing the mixture, 2-phosphate-1, 2, 4-butane tricarboxylate, a dispersant, 3,5, 5-trimethylhexanoic acid and the residual water to obtain the reverse osmosis scale inhibitor.
5. The preparation method according to claim 4, wherein the mixing in step 1) is carried out at a temperature of 35-45 ℃ for 0.5-1.5 h.
6. The preparation method according to claim 4 or 5, wherein the mixing in step 2) is carried out at 50-60 ℃ for 0.5-1 h.
7. The preparation method according to claim 6, wherein the mass ratio of the partial water in the step 1) to the residual water in the step 2) is 1-2: 1.
8. The use of the reverse osmosis scale inhibitor of any one of claims 1 to 3 in the treatment of coking wastewater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111070391.0A CN113735321B (en) | 2021-09-13 | 2021-09-13 | Reverse osmosis scale inhibitor and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111070391.0A CN113735321B (en) | 2021-09-13 | 2021-09-13 | Reverse osmosis scale inhibitor and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113735321A true CN113735321A (en) | 2021-12-03 |
| CN113735321B CN113735321B (en) | 2023-06-23 |
Family
ID=78738516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111070391.0A Active CN113735321B (en) | 2021-09-13 | 2021-09-13 | Reverse osmosis scale inhibitor and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113735321B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115386892A (en) * | 2022-08-11 | 2022-11-25 | 广州市人和清洗有限公司 | Composite cleaning agent for cleaning metal pipeline and preparation method thereof |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030091467A1 (en) * | 1998-07-17 | 2003-05-15 | Pavol Kmec | Scale inhibitor for an aqueous system |
| CN102153749A (en) * | 2011-01-20 | 2011-08-17 | 湛江师范学院 | Microwave synthesis method for sulfonic group modified polyaspartic acid |
| CN102516525A (en) * | 2011-12-12 | 2012-06-27 | 荣星光 | Method for preparing phosphorus-free corrosion-inhibition scale inhibitor in high-elevation region and application of the phosphorus-free corrosion-inhibition scale inhibitor |
| CN104556421A (en) * | 2013-10-21 | 2015-04-29 | 大连市沙河口区中小微企业服务中心 | Phosphorus-containing reverse osmosis composite scale and corrosion inhibitor |
| CN104815562A (en) * | 2015-05-08 | 2015-08-05 | 山东应天节能环保科技有限公司 | Reverse osmosis scale inhibitor and preparation method thereof |
| CN104891680A (en) * | 2015-05-08 | 2015-09-09 | 山东应天节能环保科技有限公司 | Non-phosphorus corrosion and scale inhibitor and preparation method thereof |
| US20160068416A1 (en) * | 2013-05-20 | 2016-03-10 | Kemira Oyj | Antiscalant composition and its use |
| CN106830188A (en) * | 2016-12-28 | 2017-06-13 | 云南昆钢水净化科技有限公司 | A kind of reverse-osmosis film water treatment system scale inhibitor special |
| CN107051213A (en) * | 2017-06-08 | 2017-08-18 | 北京可林维尔化工有限公司 | Coked waste water reuse reverse osmosis membrane antisludging agent and preparation method thereof |
| CN108706748A (en) * | 2018-06-28 | 2018-10-26 | 芜湖市棠华建材科技有限公司 | Industrial circulating cooling water scale inhibition preparation |
| CN112850917A (en) * | 2020-12-16 | 2021-05-28 | 山东天庆科技发展有限公司 | Non-phosphorus scale inhibitor suitable for reverse osmosis and preparation method thereof |
| CN113135620A (en) * | 2021-04-30 | 2021-07-20 | 山东零点环保科技有限公司 | Composite scale inhibitor and preparation method thereof |
| CN113634129A (en) * | 2021-10-19 | 2021-11-12 | 山东天庆科技发展有限公司 | Reverse osmosis scale inhibitor suitable for high-alkalinity environment and preparation method thereof |
-
2021
- 2021-09-13 CN CN202111070391.0A patent/CN113735321B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030091467A1 (en) * | 1998-07-17 | 2003-05-15 | Pavol Kmec | Scale inhibitor for an aqueous system |
| CN102153749A (en) * | 2011-01-20 | 2011-08-17 | 湛江师范学院 | Microwave synthesis method for sulfonic group modified polyaspartic acid |
| CN102516525A (en) * | 2011-12-12 | 2012-06-27 | 荣星光 | Method for preparing phosphorus-free corrosion-inhibition scale inhibitor in high-elevation region and application of the phosphorus-free corrosion-inhibition scale inhibitor |
| US20160068416A1 (en) * | 2013-05-20 | 2016-03-10 | Kemira Oyj | Antiscalant composition and its use |
| CN104556421A (en) * | 2013-10-21 | 2015-04-29 | 大连市沙河口区中小微企业服务中心 | Phosphorus-containing reverse osmosis composite scale and corrosion inhibitor |
| CN104891680A (en) * | 2015-05-08 | 2015-09-09 | 山东应天节能环保科技有限公司 | Non-phosphorus corrosion and scale inhibitor and preparation method thereof |
| CN104815562A (en) * | 2015-05-08 | 2015-08-05 | 山东应天节能环保科技有限公司 | Reverse osmosis scale inhibitor and preparation method thereof |
| CN106830188A (en) * | 2016-12-28 | 2017-06-13 | 云南昆钢水净化科技有限公司 | A kind of reverse-osmosis film water treatment system scale inhibitor special |
| CN107051213A (en) * | 2017-06-08 | 2017-08-18 | 北京可林维尔化工有限公司 | Coked waste water reuse reverse osmosis membrane antisludging agent and preparation method thereof |
| CN108706748A (en) * | 2018-06-28 | 2018-10-26 | 芜湖市棠华建材科技有限公司 | Industrial circulating cooling water scale inhibition preparation |
| CN112850917A (en) * | 2020-12-16 | 2021-05-28 | 山东天庆科技发展有限公司 | Non-phosphorus scale inhibitor suitable for reverse osmosis and preparation method thereof |
| CN113135620A (en) * | 2021-04-30 | 2021-07-20 | 山东零点环保科技有限公司 | Composite scale inhibitor and preparation method thereof |
| CN113634129A (en) * | 2021-10-19 | 2021-11-12 | 山东天庆科技发展有限公司 | Reverse osmosis scale inhibitor suitable for high-alkalinity environment and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115386892A (en) * | 2022-08-11 | 2022-11-25 | 广州市人和清洗有限公司 | Composite cleaning agent for cleaning metal pipeline and preparation method thereof |
| CN115386892B (en) * | 2022-08-11 | 2024-09-27 | 广州市人和清洗有限公司 | Composite cleaning agent for cleaning metal pipeline and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113735321B (en) | 2023-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102351328B (en) | Green total organic carbon steel scale and corrosion inhibitor for circulating cooling water system | |
| AU2004276245B2 (en) | Use of cerium salts to inhibit manganese deposition in water systems | |
| US20150118103A1 (en) | Corrosion inhibiting compositions and methods | |
| CN107362691A (en) | Seawater desalination reverse osmosis film green research of non-phosphorus scale inhibitor and preparation method thereof | |
| CN103394289B (en) | A kind of reverse osmosis membrane antisludging agent and application thereof | |
| CN103449618B (en) | Non-phosphorus composite corrosion and scale inhibitor suitable for industrial circulating cooling water | |
| CN106430648A (en) | Antisludging agent used in highly hard and high alkalinity water and preparing method and antisludging method thereof | |
| CN109592746B (en) | Hyperbranched reverse osmosis scale inhibitor with net structure and preparation method and application thereof | |
| CN110040857A (en) | A kind of phosphorus-free green corrosion inhibiting and descaling agent and preparation method thereof | |
| CN113735321B (en) | Reverse osmosis scale inhibitor and preparation method and application thereof | |
| CN103482775A (en) | Composite scale and corrosion inhibitor and preparation method thereof | |
| CN109748400B (en) | Phosphorus-free composite corrosion and scale inhibitor, application thereof and treatment method of circulating cooling water | |
| CN112850917A (en) | Non-phosphorus scale inhibitor suitable for reverse osmosis and preparation method thereof | |
| CN111471988A (en) | Prefilming agent and preparation method thereof | |
| CN113165925A (en) | Scale inhibitor for cooling water and scale inhibition method for cooling water | |
| CN105776591A (en) | Addition technology of zero-phosphorus-low-phosphorus grey water scale inhibition and dispersion agent | |
| CN111170478A (en) | Scale inhibition and dispersion agent and preparation method thereof | |
| CN102826663B (en) | Scale and corrosion inhibitor and application thereof | |
| CN106145393A (en) | A kind of preparation method of novel iron-resistant contamination type film scale inhibitor special | |
| CN112279385A (en) | Reverse osmosis membrane scale inhibitor and preparation method and application thereof | |
| CN105032193A (en) | Antiosmosis compound scale inhibitor and preparation method thereof | |
| CN111439854A (en) | Non-phosphorus scale inhibition and dispersion agent for sewage treatment and preparation method thereof | |
| CN109534522B (en) | Non-phosphorus environment-friendly scale inhibitor with network structure and preparation method and application thereof | |
| CN114574292A (en) | Preparation method and application of ultrafiltration membrane cleaning agent with antibacterial and organic matter cleaning functions | |
| CN113526686A (en) | Phosphorus-free scale inhibitor and preparation method thereof |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |