CN105668813A - Efficient environment-friendly scale inhibitor and preparation method thereof - Google Patents
Efficient environment-friendly scale inhibitor and preparation method thereof Download PDFInfo
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- CN105668813A CN105668813A CN201610045660.0A CN201610045660A CN105668813A CN 105668813 A CN105668813 A CN 105668813A CN 201610045660 A CN201610045660 A CN 201610045660A CN 105668813 A CN105668813 A CN 105668813A
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- environment friendly
- antisludging agent
- efficiency environment
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- friendly antisludging
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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
- C02F5/12—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
- 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
-
- 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
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
Abstract
The invention provides an efficient environment-friendly scale inhibitor and a preparation method thereof, wherein the efficient environment-friendly scale inhibitor has reasonable composition, can significantly reduce water corrosion and scaling in equipment and prolong the service life of the equipment, is green and highly safe, has excellent market value and environmental protection value and has very promising popularization prospect.The preparation method of the efficient environment-friendly scale inhibitor is reasonable and simple, is convenient to apply and low in production cost and is suitable for large-scale industrial production.
Description
Technical field
The invention belongs to antisludging agent and manufacture field, in particular it relates to a kind of high-efficiency environment friendly antisludging agent, and the preparation method of this high-efficiency environment friendly antisludging agent.
Background technology
Along with industrialized production develops rapidly, shortage of water resources and water pollution are day by day serious, have become as global social crisis. Although industrial circulating cooling water system can save great lot of water resources, but due to the impact of the factors such as air pollution, water temperature rising, the raising of cycles of concentration, processing medium leakage in running, antibacterial and dissolved oxygen content are greatly increased, cause that the drawbacks such as serious fouling, corrosion and bacterium algae grow occurs in recirculated cooling water, the heat exchange efficiency making system is greatly lowered, frequently, what even serious threat produced is normally carried out, and causes serious consequence in maintenance.
At present, China is mainly based on the corrosion inhibiting and descaling agent of phosphorus system or polymer, but phosphorus system antisludging agent easily grows bacterium algae, contaminated environment; The easy fouling of silicon system. Additionally, organophosphor or the excessively use of Phos antisludging agent can cause the eutrophication of water body, destroy the ecological balance of water body. Although the polymer such as polyacrylic acid are nontoxic, but it is belonging to height non-biodegradation, is also the unacceptable pollutant of environment. Therefore, developing environment-friendly scale inhibitor efficient, inexpensive, nontoxic, biodegradable is important developing direction.
Summary of the invention
Goal of the invention: in order to overcome above deficiency, the preparation method that the invention provides a kind of high-efficiency environment friendly antisludging agent and this high-efficiency environment friendly antisludging agent.
Technical scheme: in order to overcome the deficiencies in the prior art, the invention provides a kind of high-efficiency environment friendly antisludging agent, in components by weight percent, including following components:
Poly-epoxy succinic acid 20-40 part
Polysuccinimide 5-30 part
Alkyl epoxy carboxylate 8-20 part
Chitosan 5-15 part
Imidazoline inhibitor 5-8 part
Sodium lignosulfonate 5-8 part
Modified resin 0.5-5 part.
High-efficiency environment friendly antisludging agent component of the present invention is reasonable, it is simple to produce, it is easy to producing, high-efficiency environment friendly antisludging agent can significantly reduce the aqueous corrosion in appliance arrangement, scale formation, it is possible to the service life of extension fixture equipment. And environmental protection, safety is high, has splendid market value and the value of environmental protection, therefore, has high promotion prospect. Wherein, poly-epoxy succinic acid and polysuccinimide biological degradability is good, for environmentally friendly raw material, final catabolite is environmental sound.And alkyl epoxy carboxylate has nontoxic, chlorine-resistant, heatproof and excellent resistance CaCO3Dirt performance, can be used for high alkalinity, high rigidity, the cooling water system of high concentration multiple and is accepted by environment. In addition, imidazoline inhibitor is nontoxic, have no irritating odor, human body and surrounding are safe from harm, belong to environmentally friendly corrosion inhibiter, and imidazoline inhibitor is respectively provided with good corrosion inhibition in various media, the corrosion to hardware of oxygen and carbon dioxide can be prevented by the activation energy of blanketing effect and raising corrosion reaction, and preservative efficiency is high. Meanwhile, sodium lignosulfonate, as the regenerant of pulp and paper industry sulfurous method pulping waste liquor, has inhibition, scale inhibition and peptizaiton. It derives from plant, nontoxic and biodegradable, or the Renewable resource of abundance, and application cost is low. Further, chitosan raw material sources are wide and environmental protection, it is possible to the active site of nucleus and crystal is had good absorbability, and can suppress the growth of crystal. And modified resin is as bonding agent, make whole high-efficiency environment friendly antisludging agent uniform, stable.
As a modification of the present invention, above-mentioned high-efficiency environment friendly antisludging agent, also including 2-8 part functional additive, described functional additive is citric acid or oxalic acid or malic acid. Wherein preferably employing citric acid, first it can promote the dissolving of various salt, and citric acid is a kind of builder simultaneously, it is possible to precipitate metal ion rapidly.
Further, above-mentioned high-efficiency environment friendly antisludging agent, described high-efficiency environment friendly antisludging agent includes the water of 20-30 part. As the solvent of above-mentioned high-efficiency environment friendly antisludging agent, application is convenient, and application cost is low.
Further, above-mentioned high-efficiency environment friendly antisludging agent, described water is deionized water. Constant product quality, superior performance.
Further, above-mentioned high-efficiency environment friendly antisludging agent, described modified resin is modified epoxy. Modified epoxy can improve the thermostability of high-efficiency environment friendly antisludging agent, extend using period and storage period, low viscosity, curability at low temperatures etc. so that it is function admirable.
Further, above-mentioned high-efficiency environment friendly antisludging agent, described imidazoline inhibitor is cycloalkyl imidazoline or naphthenic acid imidazoline or polyoxyethylene ether imidazoline. Multiple imidazolines composition may be employed, and raw material sources are wide, owing to containing the compound of nitrogen five-ring heterocycles in its molecular structure, its compatibility is good, Heat stability is good, and toxicity is low, sterilizing by scale inhibition, it can form monomolecular adsorbed film in metal surface, changes hydrionic oxidation-reduction potential; Can also some oxidant in complex solution, reach the purpose of inhibition, good oxidation disinfection effect can be played when water exists Organic substance, hydrogen sulfide, ferrous ion, can use as corrosion inhibiter and antibacterial in sum.
The preparation method that the present invention also provides for a kind of high-efficiency environment friendly antisludging agent, comprises the following steps:
(1) in the water of half, poly-epoxy succinic acid and polysuccinimide are added;
(2) alkyl epoxy carboxylate is added while stirring;
(3) after alkyl epoxy carboxylate is completely dissolved, chitosan, imidazoline inhibitor, sodium lignosulfonate and modified resin are added;
(4) add second half water, be sufficiently stirred for and be mixed to get high-efficiency environment friendly antisludging agent.
The preparation method of high-efficiency environment friendly antisludging agent of the present invention, method is reasonable, and simply, application is convenient, and production cost is low, is suitable for large-scale industrial production.
Further, the preparation method of above-mentioned high-efficiency environment friendly antisludging agent, to adding functional additive between step (3) and (4), stirring mixing.
Further, the preparation method of above-mentioned high-efficiency environment friendly antisludging agent, mixing speed is 100-300r/min. It is easily achieved, and it is low to consume energy.
Beneficial effect: compared with prior art, the invention have the advantages that high-efficiency environment friendly antisludging agent of the present invention, and its component is reasonable, can significantly reduce the aqueous corrosion in appliance arrangement, scale formation, it is possible to the service life of extension fixture equipment. And environmental protection, safety is high, has splendid market value and the value of environmental protection, therefore, has high promotion prospect. The preparation method of high-efficiency environment friendly antisludging agent of the present invention, method is reasonable, and simply, application is convenient, and production cost is low, is suitable for large-scale industrial production.
Detailed description of the invention
Following by several specific embodiments, being further elucidated with the present invention, these embodiments, simply to illustrate that problem, are not a kind of restriction.
Embodiment 1
A kind of high-efficiency environment friendly antisludging agent, in components by weight percent, including following components:
Poly-epoxy succinic acid 20 parts
Polysuccinimide 5 parts
Alkyl epoxy carboxylate 8 parts
Chitosan 5 parts
Cycloalkyl imidazoline 5 parts
Sodium lignosulfonate 5 parts
Modified epoxy 0.5 part
Deionized water 30 parts.
The preparation method of above-mentioned high-efficiency environment friendly antisludging agent, comprises the following steps:
(1) in the water of half, poly-epoxy succinic acid and polysuccinimide are added;
(2), when with the mixing speed of 100r/min, alkyl epoxy carboxylate is added while stirring;
(3) after alkyl epoxy carboxylate is completely dissolved, chitosan, cycloalkyl imidazoline, sodium lignosulfonate and modified epoxy are added;
(4) add second half water, when with the mixing speed of 100r/min, be sufficiently stirred for and be mixed to get high-efficiency environment friendly antisludging agent.
Embodiment 2
A kind of high-efficiency environment friendly antisludging agent, in components by weight percent, including following components:
Poly-epoxy succinic acid 40 parts
Polysuccinimide 30 parts
Alkyl epoxy carboxylate 20 parts
Chitosan 15 parts
Naphthenic acid imidazoline 8 parts
Sodium lignosulfonate 8 parts
Modified epoxy 5 parts
Citric acid 8 parts
Deionized water 20 parts.
The preparation method of above-mentioned high-efficiency environment friendly antisludging agent, comprises the following steps:
(1) in the water of half, poly-epoxy succinic acid and polysuccinimide are added;
(2), when with the mixing speed of 300r/min, alkyl epoxy carboxylate is added while stirring;
(3) after alkyl epoxy carboxylate is completely dissolved, chitosan, naphthenic acid imidazoline, sodium lignosulfonate and modified epoxy are added; Add citric acid, stir mixing with the mixing speed of 300r/min;
(4) add second half water, when with the mixing speed of 300r/min, be sufficiently stirred for and be mixed to get high-efficiency environment friendly antisludging agent.
Embodiment 3
A kind of high-efficiency environment friendly antisludging agent, in components by weight percent, including following components:
Poly-epoxy succinic acid 30 parts
Polysuccinimide 15 parts
Alkyl epoxy carboxylate 15 parts
Chitosan 10 parts
Polyoxyethylene ether imidazoline 7 parts
Sodium lignosulfonate 6 parts
Modified epoxy 3 parts
Malic acid 5 parts
Deionized water 25 parts.
The preparation method of above-mentioned high-efficiency environment friendly antisludging agent, comprises the following steps:
(1) in the water of half, poly-epoxy succinic acid and polysuccinimide are added;
(2), when with the mixing speed of 200r/min, alkyl epoxy carboxylate is added while stirring;
(3) after alkyl epoxy carboxylate is completely dissolved, chitosan, polyoxyethylene ether imidazoline, sodium lignosulfonate and modified epoxy are added; Add malic acid, stir mixing with the mixing speed of 200r/min;
(4) add second half water, when with the mixing speed of 200r/min, be sufficiently stirred for and be mixed to get high-efficiency environment friendly antisludging agent.
Embodiment 4
A kind of high-efficiency environment friendly antisludging agent, in components by weight percent, including following components:
Poly-epoxy succinic acid 25 parts
Polysuccinimide 20 parts
Alkyl epoxy carboxylate 10 parts
Chitosan 9 parts
Naphthenic acid imidazoline 5 parts
Sodium lignosulfonate 6 parts
Modified epoxy 2 parts
Oxalic acid 5 parts
Deionized water 25 parts.
The preparation method of above-mentioned high-efficiency environment friendly antisludging agent, comprises the following steps:
(1) in the water of half, poly-epoxy succinic acid and polysuccinimide are added;
(2), when with the mixing speed of 250r/min, alkyl epoxy carboxylate is added while stirring;
(3) after alkyl epoxy carboxylate is completely dissolved, chitosan, naphthenic acid imidazoline, sodium lignosulfonate and modified epoxy are added; Add oxalic acid, stir mixing with the mixing speed of 250r/min;
(4) add second half water, when with the mixing speed of 250r/min, be sufficiently stirred for and be mixed to get high-efficiency environment friendly antisludging agent.
Embodiment 5
A kind of high-efficiency environment friendly antisludging agent, in components by weight percent, including following components:
Poly-epoxy succinic acid 35 parts
Polysuccinimide 10 parts
Alkyl epoxy carboxylate 16 parts
Chitosan 12 parts
Cycloalkyl imidazoline 8 parts
Sodium lignosulfonate 6 parts
Modified epoxy 4 parts
Citric acid 2 parts
Deionized water 22 parts.
The preparation method of above-mentioned high-efficiency environment friendly antisludging agent, comprises the following steps:
(1) in the water of half, poly-epoxy succinic acid and polysuccinimide are added;
(2), when with the mixing speed of 160r/min, alkyl epoxy carboxylate is added while stirring;
(3) after alkyl epoxy carboxylate is completely dissolved, chitosan, cycloalkyl imidazoline, sodium lignosulfonate and modified epoxy are added; Add citric acid, stir mixing with the mixing speed of 160r/min;
(4) add second half water, when with the mixing speed of 160r/min, be sufficiently stirred for and be mixed to get high-efficiency environment friendly antisludging agent.
Embodiment 6
A kind of high-efficiency environment friendly antisludging agent, in components by weight percent, including following components:
Poly-epoxy succinic acid 22 parts
Polysuccinimide 12 parts
Alkyl epoxy carboxylate 12 parts
Chitosan 12 parts
Polyoxyethylene ether imidazoline 5 parts
Sodium lignosulfonate 8 parts
Modified epoxy 2 parts
Malic acid 2 parts
Deionized water 30 parts.
The preparation method of above-mentioned high-efficiency environment friendly antisludging agent, comprises the following steps:
(1) in the water of half, poly-epoxy succinic acid and polysuccinimide are added;
(2), when with the mixing speed of 220r/min, alkyl epoxy carboxylate is added while stirring;
(3) after alkyl epoxy carboxylate is completely dissolved, chitosan, polyoxyethylene ether imidazoline, sodium lignosulfonate and modified epoxy are added; Add malic acid, stir mixing with the mixing speed of 220r/min
(4) add second half water, when with the mixing speed of 220r/min, be sufficiently stirred for and be mixed to get high-efficiency environment friendly antisludging agent.
Embodiment 7
A kind of high-efficiency environment friendly antisludging agent, in components by weight percent, including following components:
Poly-epoxy succinic acid 28 parts
Polysuccinimide 12 parts
Alkyl epoxy carboxylate 12 parts
Chitosan 9 parts
Naphthenic acid imidazoline 7 parts
Sodium lignosulfonate 5 parts
Modified epoxy 2.5 parts
Oxalic acid 2 parts
Deionized water 23 parts.
The preparation method of above-mentioned high-efficiency environment friendly antisludging agent, comprises the following steps:
(1) in the water of half, poly-epoxy succinic acid and polysuccinimide are added;
(2), when with the mixing speed of 150r/min, alkyl epoxy carboxylate is added while stirring;
(3) after alkyl epoxy carboxylate is completely dissolved, chitosan, naphthenic acid imidazoline, sodium lignosulfonate and modified epoxy are added; Add oxalic acid, stir mixing with the mixing speed of 150r/min
(4) add second half water, when with the mixing speed of 150r/min, be sufficiently stirred for and be mixed to get high-efficiency environment friendly antisludging agent.
Embodiment 8
A kind of high-efficiency environment friendly antisludging agent, in components by weight percent, including following components:
Poly-epoxy succinic acid 35 parts
Polysuccinimide 16 parts
Alkyl epoxy carboxylate 14 parts
Chitosan 13 parts
Polyoxyethylene ether imidazoline 8 parts
Sodium lignosulfonate 8 parts
Modified epoxy 4 parts
Malic acid 8 parts
Deionized water 22 parts.
The preparation method of above-mentioned high-efficiency environment friendly antisludging agent, comprises the following steps:
(1) in the water of half, poly-epoxy succinic acid and polysuccinimide are added;
(2), when with the mixing speed of 230r/min, alkyl epoxy carboxylate is added while stirring;
(3) after alkyl epoxy carboxylate is completely dissolved, chitosan, polyoxyethylene ether imidazoline, sodium lignosulfonate and modified epoxy are added; Add malic acid, stir mixing with the mixing speed of 230r/min;
(4) add second half water, when with the mixing speed of 230r/min, be sufficiently stirred for and be mixed to get high-efficiency environment friendly antisludging agent.
Embodiment 9
A kind of high-efficiency environment friendly antisludging agent, in components by weight percent, including following components:
Poly-epoxy succinic acid 25 parts
Polysuccinimide 15 parts
Alkyl epoxy carboxylate 18 parts
Chitosan 8 parts
Cycloalkyl imidazoline 6 parts
Sodium lignosulfonate 6 parts
Modified epoxy 1 part
Oxalic acid 8 parts
Deionized water 28 parts.
The preparation method of above-mentioned high-efficiency environment friendly antisludging agent, comprises the following steps:
(1) in the water of half, poly-epoxy succinic acid and polysuccinimide are added;
(2), when with the mixing speed of 180r/min, alkyl epoxy carboxylate is added while stirring;
(3) after alkyl epoxy carboxylate is completely dissolved, chitosan, cycloalkyl imidazoline, sodium lignosulfonate and modified epoxy are added; Add oxalic acid, stir mixing with the mixing speed of 180r/min;
(4) add second half water, when with the mixing speed of 180r/min, be sufficiently stirred for and be mixed to get high-efficiency environment friendly antisludging agent.
Embodiment 10
A kind of high-efficiency environment friendly antisludging agent, in components by weight percent, including following components:
Poly-epoxy succinic acid 35 parts
Polysuccinimide 28 parts
Alkyl epoxy carboxylate 17 parts
Chitosan 13 parts
Naphthenic acid imidazoline 7 parts
Sodium lignosulfonate 7 parts
Modified epoxy 3 parts
Citric acid 5 parts
Deionized water 20 parts.
The preparation method of above-mentioned high-efficiency environment friendly antisludging agent, comprises the following steps:
(1) in the water of half, poly-epoxy succinic acid and polysuccinimide are added;
(2), when with the mixing speed of 270r/min, alkyl epoxy carboxylate is added while stirring;
(3) after alkyl epoxy carboxylate is completely dissolved, chitosan, naphthenic acid imidazoline, sodium lignosulfonate and modified epoxy are added; Add citric acid, stir mixing with the mixing speed of 270r/min;
(4) add second half water, when with the mixing speed of 270r/min, be sufficiently stirred for and be mixed to get high-efficiency environment friendly antisludging agent.
During use, putting in appliance arrangement by the high-efficiency environment friendly antisludging agent of embodiment 1-10, stir, regulating pH to 9-12 can aqueous corrosion in more efficient minimizing appliance arrangement, scale formation.
The above is only several embodiments of invention, it is noted that for those skilled in the art, under the premise without departing from inventive principle, it is also possible to make some improvement, these improvement also should be regarded as protection scope of the present invention.
Claims (9)
1. a high-efficiency environment friendly antisludging agent, it is characterised in that: in components by weight percent, including following components:
Poly-epoxy succinic acid 20-40 part
Polysuccinimide 5-30 part
Alkyl epoxy carboxylate 8-20 part
Chitosan 5-15 part
Imidazoline inhibitor 5-8 part
Sodium lignosulfonate 5-8 part
Modified resin 0.5-5 part.
2. high-efficiency environment friendly antisludging agent according to claim 1, it is characterised in that: also including 2-8 part functional additive, described functional additive is citric acid or oxalic acid or malic acid.
3. high-efficiency environment friendly antisludging agent according to claim 1, it is characterised in that: described high-efficiency environment friendly antisludging agent includes the water of 20-30 part.
4. high-efficiency environment friendly antisludging agent according to claim 3, it is characterised in that: described water is deionized water.
5. high-efficiency environment friendly antisludging agent according to claim 1, it is characterised in that: described modified resin is modified epoxy.
6. high-efficiency environment friendly antisludging agent according to claim 1, it is characterised in that: described imidazoline inhibitor is cycloalkyl imidazoline or naphthenic acid imidazoline or polyoxyethylene ether imidazoline.
7. the preparation method of high-efficiency environment friendly antisludging agent according to claim 1, it is characterised in that: comprise the following steps:
(1) in the water of half, poly-epoxy succinic acid and polysuccinimide are added;
(2) alkyl epoxy carboxylate is added while stirring;
(3) after alkyl epoxy carboxylate is completely dissolved, chitosan, imidazoline inhibitor, sodium lignosulfonate and modified resin are added;
(4) add second half water, be sufficiently stirred for and be mixed to get high-efficiency environment friendly antisludging agent.
8. the preparation method of high-efficiency environment friendly antisludging agent according to claim 7, it is characterised in that: to adding functional additive between step (3) and (4), stirring mixing.
9. the preparation method of the high-efficiency environment friendly antisludging agent according to claim 7 or 8, it is characterised in that: mixing speed is 100-300r/min.
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| CN112456659A (en) * | 2020-11-26 | 2021-03-09 | 河北省科学院能源研究所 | Scale inhibitor and preparation method and application thereof |
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Also Published As
| Publication number | Publication date |
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| CN105668813B (en) | 2019-04-26 |
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Address after: No. 35, Yueyang Road, Shaxi Town, Taicang City, Suzhou City, Jiangsu Province Patentee after: SUZHOU TASHANSHI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 215400, 101, building 1, 64 Middle Market Road, Lu Lu, Taicang, Jiangsu, Suzhou Patentee before: SUZHOU TASHANSHI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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Denomination of invention: Scale inhibitor and preparation method thereof Effective date of registration: 20211221 Granted publication date: 20190426 Pledgee: The Bank of Suzhou Taicang branch of Limited by Share Ltd. Pledgor: SUZHOU TASHANSHI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2021320010574 |
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