CN104671450A - Efficient scale inhibitor for water treatment - Google Patents
Efficient scale inhibitor for water treatment Download PDFInfo
- Publication number
- CN104671450A CN104671450A CN201310643146.3A CN201310643146A CN104671450A CN 104671450 A CN104671450 A CN 104671450A CN 201310643146 A CN201310643146 A CN 201310643146A CN 104671450 A CN104671450 A CN 104671450A
- Authority
- CN
- China
- Prior art keywords
- water
- scale inhibitor
- efficient scale
- water treatment
- methylene
- 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.)
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Classifications
-
- 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
- C02F5/125—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 combined with inorganic substances
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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
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (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)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention discloses an efficient scale inhibitor for water treatment. The efficient scale inhibitor consists of itaconic acid, sodium dihydrogen phosphate, zinc sulfate, benzotriazole, isopropyl acrylate, an initiating agent and water. The preparation method of the efficient scale inhibitor comprises the following steps: adding itaconic acid and sodium dihydrogen phosphate into a reaction kettle, and adding water for dissolution, wherein according to a benchmark of the mass of itaconic acid, the added amount of sodium dihydrogen phosphate is 0-50%, the added amount of water is 50-600%, and the constant temperature is between 30 DEG C and 100 DEG C; then adding an initiating agent solution at a uniform feeding speed, wherein the added amount of acrylic ester is 5-200% according to the benchmark of the mass of itaconic acid; and stirring for a period of time (about 0.5-3 hours) after feeding. The efficient scale inhibitor disclosed by the invention is reasonable in formula, good in use effect and low in production cost.
Description
Technical field
The present invention relates to a kind of water treatment efficient scale inhibitor, belong to water treatment field.
Background technology
Existing Scale inhibitors, effect is undesirable, and production cost is high.
From natural origin water often containing dissolve mineral, and obviously exist ion such as Ca2+, Mg2+ and, when oil field stratum water, Ba2+, Sr2+ and Ra2+.Under the condition that temperature or pH value change, carbonic acid gas may deposit from solution as incrustation scale from the loss in other such as, solution containing the water of different minerals content (comparatively insoluble substance, carbonate and vitriol) or blend.In submarine oil field, when when pumped underground is to help the containing sulfate seawater of recovery of oil to contact with local water, this kind of deposition may be especially serious.
Boiler after long-term use, unavoidably there will be the phenomenon such as fouling, corrosion.Controlling fouling, is one of necessary operation in production link, and Scale inhibitors of the prior art to there is result of use not good, high in cost of production shortcoming.
The incrustation scale of deposition hinders recovery of oil and even may become and is severe enough to obstruction oil well.Therefore common program is to make incrusted deposit minimize or to prevent incrusted deposit with Scale inhibitors process oil well.
The careful balance of performance must be reached.Scale inhibitors not only must control incrustation scale, and must on the one hand at it, by having enough solubleness at the temperature reached in water, can realize putting in the earth formation, itself prematurely precipitates from solution, it must keep enough strong to obtain applicable slow leaching speed in formation rock on the other hand simultaneously.If Scale inhibitors does not adsorb enough by force, then it by all quickly leaching to return and well requires reprocessing by after the short time.The reservation of Scale inhibitors reaches by absorption and precipitation process.Precipitation is the currently known methods reaching the longer Scale inhibitors extruding life-span.
Summary of the invention
The present invention is just in order to overcome above-mentioned deficiency, and technical problem to be solved is to provide a kind of features high scale-removing effect, Scale inhibitors with low cost.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is as follows:
Methylene-succinic acid and SODIUM PHOSPHATE, MONOBASIC are added in reactor and is dissolved in water, with methylene-succinic acid quality for benchmark, wherein SODIUM PHOSPHATE, MONOBASIC add-on is 0 ~ 50%, adding the water yield is 50% ~ 600%, steady temperature is between 30 ~ 100 DEG C, then add initiator solution with uniform feed rate, esters of acrylic acid (with methylene-succinic acid quality for benchmark) add-on, for 5% ~ 200%, stirs for some time after adding material, about 0.5 ~ 3h again.
Beneficial effect: Scale inhibitors of the present invention, can act at normal temperatures, and can use under wider pH value.Scale inhibitors of the present invention has excellent scale removal dispersion effect, and with low cost, can life-time service.Can be used for industrial circulating cooling water, carry out scale inhibition to the boiler of the materials such as mild steel, copper, nickel, its manufacture method is simple, can realize industrialization scale operation.
The present invention fills a prescription rationally, and result of use is good, and production cost is low.
Specific embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1:
Preparation scheme: methylene-succinic acid and SODIUM PHOSPHATE, MONOBASIC are added in reactor and is dissolved in water, with methylene-succinic acid quality for benchmark, wherein SODIUM PHOSPHATE, MONOBASIC add-on is 0 ~ 50%, adding the water yield is 50% ~ 600%, steady temperature is between 30 ~ 100 DEG C, then add initiator solution with uniform feed rate, esters of acrylic acid (with methylene-succinic acid quality for benchmark) add-on, for 5% ~ 200%, stirs for some time after adding material, about 0.5 ~ 3h again.
Scale inhibitors of the present invention, can act at normal temperatures, and can use under wider pH value.
Embodiment 2:
Preparation scheme is the same.
Scale inhibitors of the present invention has excellent scale removal dispersion effect, and with low cost, can life-time service.
Embodiment 3:
Preparation scheme is the same.
Can be used for industrial circulating cooling water, carry out scale inhibition to the boiler of the materials such as mild steel, copper, nickel, its manufacture method is simple, can realize industrialization scale operation.
The present invention fills a prescription rationally, and result of use is good, and production cost is low.
Embodiment given is above to better the present invention is described, is not that disclosed content is only limitted to the following examples.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read described content of the present invention, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (4)
1. a water treatment High-efficient Water process efficient scale inhibitor, is characterized in that, it is made up of methylene-succinic acid, SODIUM PHOSPHATE, MONOBASIC, zinc sulfate, benzotriazole, isopropyl acrylate, initiator and water.
2. according to claim 1, described a kind of water treatment efficient scale inhibitor, it is characterized in that, its each component is in mass ratio: methylene-succinic acid 140 ~ 150, SODIUM PHOSPHATE, MONOBASIC 40 ~ 50, zinc sulfate 30 ~ 45, benzotriazole 30 ~ 40, isopropyl acrylate 15 ~ 35, initiator 5 ~ 10, appropriate water.
3. according to claim 1 and 2, described a kind of water treatment efficient scale inhibitor, it is characterized in that, its preparation method is: methylene-succinic acid and SODIUM PHOSPHATE, MONOBASIC are added in reactor and be dissolved in water, with methylene-succinic acid quality for benchmark, wherein SODIUM PHOSPHATE, MONOBASIC add-on is 0 ~ 50%, adding the water yield is 50% ~ 600%, steady temperature is between 30 ~ 100 DEG C, then initiator solution, esters of acrylic acid (with methylene-succinic acid quality for benchmark) add-on is added for 5% ~ 200% with uniform feed rate, for some time is stirred again, about 0.5 ~ 3h after adding material.
4., according to claims 1 to 3, described a kind of water treatment efficient scale inhibitor, it is characterized in that, described initiator is Sodium Persulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310643146.3A CN104671450A (en) | 2013-12-03 | 2013-12-03 | Efficient scale inhibitor for water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310643146.3A CN104671450A (en) | 2013-12-03 | 2013-12-03 | Efficient scale inhibitor for water treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104671450A true CN104671450A (en) | 2015-06-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310643146.3A Pending CN104671450A (en) | 2013-12-03 | 2013-12-03 | Efficient scale inhibitor for water treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104671450A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630201A (en) * | 2016-12-09 | 2017-05-10 | 钦州市钦南区科学技术情报研究所 | Scale inhibitor and preparation method thereof |
| CN109796085A (en) * | 2017-11-16 | 2019-05-24 | 柳州市皇盛环保科技有限公司 | A kind of environment-protection boiler antisludging agent and preparation method thereof |
-
2013
- 2013-12-03 CN CN201310643146.3A patent/CN104671450A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630201A (en) * | 2016-12-09 | 2017-05-10 | 钦州市钦南区科学技术情报研究所 | Scale inhibitor and preparation method thereof |
| CN109796085A (en) * | 2017-11-16 | 2019-05-24 | 柳州市皇盛环保科技有限公司 | A kind of environment-protection boiler antisludging agent and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150603 |