CN105585143A - Scale inhibitor for industrial water treatment and preparation method and application method thereof - Google Patents
Scale inhibitor for industrial water treatment and preparation method and application method thereof Download PDFInfo
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- CN105585143A CN105585143A CN201510967480.3A CN201510967480A CN105585143A CN 105585143 A CN105585143 A CN 105585143A CN 201510967480 A CN201510967480 A CN 201510967480A CN 105585143 A CN105585143 A CN 105585143A
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- scale inhibitor
- antisludging agent
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- dtpmp
- phytic acid
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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
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- 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)
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Abstract
The invention relates to a scale inhibitor for industrial water treatment. The scale inhibitor is prepared from, by mass, 70% to 99% of diethylenetriaminepentakis and 1% to 30% of phytic acid. A preparation method of the scale inhibitor comprises the steps that diethylenetriaminepentakis and phytic acid are put into a reactor according to the mass ratio and heated to 20 DEG C to 80 DEG C, and heat preservation is carried out for 2 h; meanwhile, stirring is carried out, then the mixture is cooled to room temperature and then discharged for filling, and the scale inhibitor can be obtained. An application method of the scale inhibitor comprises the steps that the scale inhibitor is dissolved in water, the scale inhibitor with different amounts is added to the water with different water qualities, and the dosing quantity of the scale inhibitor ranges from 1 mg/L to 30 mg/L. Compared with a scale inhibitor sold on the market, the scale inhibitor has remarkable advantages, meanwhile, the price is low, operation is easy, industrial production can be easily achieved, storage is easy, and the scale inhibitor can be widely used for reverse osmosis, ultrafiltration, electrodialysis and other water treatment systems.
Description
Technical field
The present invention relates to a kind of Treatment of Industrial Water antisludging agent and preparation method and using method thereof, this antisludging agent can be used for suppressing the formation of calcium sulfate scale, belongs to Treatment of Industrial Water technical field.
Background technology
Along with world population is increased sharply and economic developing rapidly; city size constantly expands; the demand of water resource and the discharge capacity of industrial wastewater increase rapidly, make the world especially water resources in china be faced with huge crisis, using water wisely, to reduce sewage discharge row extremely urgent. But, industrial wastewater discharge severe overweight at present, sewage reuse techuique is significant for environmental protection. Common sewage reuse techuique has counter-infiltration, electrodialysis etc. Taking counter-infiltration as example, reverse osmosis membrane contains a large amount of Ca in due to water in the process that sewage is processed2+、Mg2+, easy and water CO3 2-And OH-Reaction forms precipitation and structure, thereby reduces the performance of reverse osmosis membrane, affects the normal operation of counter-infiltration system. Developing efficient antisludging agent has great importance to the normal operation of safeguarding counter-infiltration system.
Patent CN103626308A discloses a kind of novel antisludging agent and preparation method thereof, this antisludging agent is taking phytic acid, ferrous oxide and glucose as primary raw material, method by heating can obtain this novel antisludging agent, the advantage of this antisludging agent is raw material free from extraneous odour, non-volatile, method of operating is simple, easily realizes industrialization, shortcoming is that main raw material(s) price is very expensive, is difficult to realize extensive use.
Patent CN103739097A discloses a kind of phosphorus molybdenum polymer corrosion inhibiting and descaling agent preparation method, this antisludging agent taking calgon, HPMA, sodium molybdate by as raw material, adopt the method for high-temperature fusion to make this antisludging agent, because the method that adopts high-temperature fusion need to be heated to 1000 DEG C, technological requirement is higher, is difficult to realize industrialization.
Patent CN104176837A discloses a kind of antisludging agent, this antisludging agent itaconic acid (IA), 2-acrylamide-2-methyl-propyl sulfonic acid (AMPS) and 2-acrylamide-2-methyl-propyl phosphonic acids (AMPP) are raw material, make by means such as high temperature copolymerization sub-cooled, preparation process is loaded down with trivial details, complicated operation, is unfavorable for industrialization.
Summary of the invention
The present invention provides a kind of its scale-inhibiting properties to have significant advantage compared with commercially available antisludging agent for solving the technical problem existing in known technology, simultaneously cheap, simple to operate, easily realize suitability for industrialized production, easily store, can be widely used in Treatment of Industrial Water antisludging agent and preparation method and using method thereof of the water treatment systems such as counter-infiltration, ultrafiltration, electrodialysis.
The technical scheme that the present invention takes for the technical problem existing in solution known technology is:
A kind of Treatment of Industrial Water antisludging agent, comprises diethylene triamine pentamethylene phosphonic and phytic acid: described diethylene triamine pentamethylene phosphonic is 70%～99% in mass ratio, and described phytic acid is 1%～30%.
The preparation method of antisludging agent for above-mentioned Treatment of Industrial Water, is placed in reactor by quality proportioning by diethylene triamine pentamethylene phosphonic and phytic acid, is heated to 20 DEG C～80 DEG C insulation 2h, stirs simultaneously, is then cooled to discharge after room temperature fillingly, can obtain product.
The using method of antisludging agent for above-mentioned Treatment of Industrial Water, by soluble in water described antisludging agent, water quality difference adds the amount difference of described antisludging agent, and the dosage of described antisludging agent is within the scope of 1～30mg/L.
Advantage and good effect that the present invention has are: adopt the difference of efficient scale inhibitor of the present invention and prior art to be: antisludging agent provided by the invention, its raw material diethylene triamine pentamethylene phosphonic DTPMP is a kind of nontoxic organic matter, without any injury, can not cause secondary pollution to human body; Its raw material phytic acid PA is the organic matter extracting from natural plants, aboundresources, cheap, there is significant advantage compared with commercially available antisludging agent, simultaneously cheap, simple to operate, easily realize suitability for industrialized production, easily store, can be widely used in the water treatment systems such as counter-infiltration, ultrafiltration, electrodialysis.
Detailed description of the invention
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, be described in detail as follows:
A kind of Treatment of Industrial Water antisludging agent, comprises diethylene triamine pentamethylene phosphonic and phytic acid: described diethylene triamine pentamethylene phosphonic is 70%～99% in mass ratio, and described phytic acid is 1%～30%.
The preparation method of antisludging agent for above-mentioned Treatment of Industrial Water, is placed in reactor by quality proportioning by diethylene triamine pentamethylene phosphonic and phytic acid, is heated to 20 DEG C～80 DEG C insulation 2h, stirs simultaneously, is then cooled to discharge after room temperature fillingly, can obtain product.
The using method of antisludging agent for above-mentioned Treatment of Industrial Water, by antisludging agent soluble in water, water quality difference adds the amount difference of described antisludging agent, the dosage of described antisludging agent is within the scope of 1～30mg/L.
Its raw materials diethylene triamine pentamethylene phosphonic (DTPMP) is a kind of stable organic compound, can form polynary ring chelate with many kinds of metal ions owing to thering is abundant coordination atom in molecule, loosely is distributed in water, effectively destroys the cleaning growth of calcium salt; Because DTPMP has stable volume N-C-P key, be difficult for being hydrolyzed and degrading simultaneously, can long term storage. DTPMP has significant threshold effect and cooperative effect, has been widely used as at present antisludging agent and corrosion inhibiter.
Its raw materials phytic acid (PA) is a kind of organic phosphoric acid compounds extracting from plant seed, extensively be present in the dry and stem of the seed, root of plant, without any toxicity, wide material sources, cheap, free from environmental pollution, can be used as the numerous areas such as food additives, medical material, metallurgy, environmental protection. PA is that a kind of outward appearance is faint yellow to filbert paste liquid, soluble in water. Owing to containing 6 phosphates in PA molecule, soluble in water, in the aqueous solution, easily ionize out on the one hand hydrogen ion, electronegative after ionization, easily be combined with positively charged metal ion, the oxygen atom of the phosphate in PA molecule can be served as coordination atom and metal ion-chelant on the other hand. The reason of this two aspect makes PA have good scale inhibition slowly releasing effect.
Be listed below especially embodiment in order to further illustrate:
Embodiment mono-
1. take DTPMP by quality proportioning DTPMP:PA=70:30 and PA adds in reactor, be heated to 20 DEG C of insulation 2h, stir simultaneously, be then cooled to and discharge after room temperature fillingly, can obtain product.
2. new and effective scale inhibitor dosing embodiment mono-being made is in watering equipment, and dosage is 1mg/L.
Embodiment bis-
1. take DTPMP by quality proportioning DTPMP:PA=70:30 and PA adds in reactor, be heated to 50 DEG C of insulation 2h, stir simultaneously, be then cooled to and discharge after room temperature fillingly, can obtain product.
2. new and effective scale inhibitor dosing embodiment mono-being made is in watering equipment, and dosage is 15mg/L.
Embodiment tri-
1. take DTPMP by quality proportioning DTPMP:PA=70:30 and PA adds in reactor, be heated to 80 DEG C of insulation 2h, stir simultaneously, be then cooled to and discharge after room temperature fillingly, can obtain product.
2. new and effective scale inhibitor dosing embodiment mono-being made is in watering equipment, and dosage is 30mg/L.
Embodiment tetra-
1. take DTPMP by quality proportioning DTPMP:PA=85:15 and PA adds in reactor, be heated to 20 DEG C of insulation 2h, stir simultaneously, be then cooled to and discharge after room temperature fillingly, can obtain product.
2. new and effective scale inhibitor dosing embodiment mono-being made is in watering equipment, and dosage is 15mg/L.
Embodiment five
1. take DTPMP by quality proportioning DTPMP:PA=85:15 and PA adds in reactor, be heated to 50 DEG C of insulation 2h, stir simultaneously, be then cooled to and discharge after room temperature fillingly, can obtain product.
2. new and effective scale inhibitor dosing embodiment mono-being made is in watering equipment, and dosage is 30mg/L.
Embodiment six
1. take DTPMP by quality proportioning DTPMP:PA=85:15 and PA adds in reactor, be heated to 80 DEG C of insulation 2h, stir simultaneously, be then cooled to and discharge after room temperature fillingly, can obtain product.
2. new and effective scale inhibitor dosing embodiment mono-being made is in watering equipment, and dosage is 1mg/L.
Embodiment seven
1. take DTPMP by quality proportioning DTPMP:PA=99:1 and PA adds in reactor, be heated to 20 DEG C of insulation 2h, stir simultaneously, be then cooled to and discharge after room temperature fillingly, can obtain product.
2. new and effective scale inhibitor dosing embodiment mono-being made is in watering equipment, and dosage is 30mg/L.
Embodiment eight
1. take DTPMP by quality proportioning DTPMP:PA=99:1 and PA adds in reactor, be heated to 50 DEG C of insulation 2h, stir simultaneously, be then cooled to and discharge after room temperature fillingly, can obtain product.
2. new and effective scale inhibitor dosing embodiment mono-being made is in watering equipment, and dosage is 1mg/L.
Embodiment nine
1. take DTPMP by quality proportioning DTPMP:PA=99:1 and PA adds in reactor, be heated to 80 DEG C of insulation 2h, stir simultaneously, be then cooled to and discharge after room temperature fillingly, can obtain product.
2. new and effective scale inhibitor dosing embodiment mono-being made is in watering equipment, and dosage is 15mg/L.
Choose 3 groups of new and effective antisludging agents and DTPMP and PA compounded formula and single DTPMP and PA and do scale inhibition experiment and contrast,, the new and effective antisludging agent of preparing according to the step of embodiment mono-, is labeled as " 1#"; The new and effective antisludging agent of preparing according to the step of embodiment five, is labeled as " 2#"; The new and effective antisludging agent of preparing according to the step of embodiment nine, is labeled as " 3#"; The combinational antisludging agent " 4 of DTPMP:PA=85:15#", be labeled as experimental procedure as follows:
1. configuration Na2SO4Solution, SO4 2-Ion concentration is 11.7g/L
2. the addition of executing in example according to real correspondence adds new and effective antisludging agent
3. add solid CaCl2, by Ca2+The amount of concentration 4115.47mg/L adds
4. be heated to 50 DEG C, insulation 15h, surveys Ca2+Concentration, and calculate scale inhibition performance, as shown in table 1.
The new and effective antisludging agent of table 1 and compounded formula, DTPMP and PA are to CaSO4Scale inhibition performance
| Numbering | 1# | 2# | 3# | 4# | DTPMP | PA |
| Scale inhibition performance/% | 95 | 99 | 97 | 87 | 75 | 73 |
New and effective antisludging agent is to CaSO as can be seen from Table 14Scale inhibition performance be obviously better than compounded formula, DTPMP and PA to CaSO4Scale inhibition performance. Compare with the compounded formula of DTPMP, PA, DTPMP and PA, the feature such as the present invention has that scale inhibition performance is high, consumption is few, nontoxic, environmental protection, has considerable economic benefit and social benefit.
The above is only to preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, every foundation technical spirit of the present invention is to any simple modification made for any of the above embodiments, and equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (3)
1. a Treatment of Industrial Water antisludging agent, is characterized in that: comprise diethylene triamine pentamethylene phosphonic and phytic acid: pressDescribed in mass ratio, diethylene triamine pentamethylene phosphonic is 70%～99%, and described phytic acid is 1%～30%.
2. the preparation method of antisludging agent for the Treatment of Industrial Water described in the claims 1, is characterized in that: join by qualityThan diethylene triamine pentamethylene phosphonic and phytic acid are placed in to reactor, be heated to 20 DEG C～80 DEG C insulation 2h, stir simultaneously,Then be cooled to and discharge after room temperature fillingly, can obtain product.
3. the using method of antisludging agent for the Treatment of Industrial Water described in the claims 1, is characterized in that: right is wantedAsk the antisludging agent described in 1 soluble in water, water quality difference adds the amount difference of described antisludging agent, the dosage of described antisludging agentWithin the scope of 1～30mg/L.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510967480.3A CN105585143A (en) | 2015-12-22 | 2015-12-22 | Scale inhibitor for industrial water treatment and preparation method and application method thereof |
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| CN201510967480.3A CN105585143A (en) | 2015-12-22 | 2015-12-22 | Scale inhibitor for industrial water treatment and preparation method and application method thereof |
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| CN105585143A true CN105585143A (en) | 2016-05-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105967357A (en) * | 2016-05-25 | 2016-09-28 | 常州市东南热电有限公司 | Dirt remover for water circulation system |
| CN108342255A (en) * | 2018-02-07 | 2018-07-31 | 合肥嘉仕诚能源科技有限公司 | A kind of heating system pipeline Special scale remover and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4652377A (en) * | 1985-08-20 | 1987-03-24 | The Bf Goodrich Company | Inhibition of alkaline earth sulfate scales |
| CN101215050A (en) * | 2008-01-11 | 2008-07-09 | 山东华电华优科技有限公司 | High concentration circulation water scaling-proof water softener and water treatment method |
| CN101863561A (en) * | 2010-07-14 | 2010-10-20 | 苏长伟 | Superhigh-temperature circulating water antisludging agent and application thereof |
-
2015
- 2015-12-22 CN CN201510967480.3A patent/CN105585143A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4652377A (en) * | 1985-08-20 | 1987-03-24 | The Bf Goodrich Company | Inhibition of alkaline earth sulfate scales |
| CN101215050A (en) * | 2008-01-11 | 2008-07-09 | 山东华电华优科技有限公司 | High concentration circulation water scaling-proof water softener and water treatment method |
| CN101863561A (en) * | 2010-07-14 | 2010-10-20 | 苏长伟 | Superhigh-temperature circulating water antisludging agent and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 张有林 主编: "《新疆石油学会2007年度石油化工技术应用论文集》", 31 October 2007 * |
| 袁红萍 主编: "《纺织精细化学品》", 30 April 2012 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105967357A (en) * | 2016-05-25 | 2016-09-28 | 常州市东南热电有限公司 | Dirt remover for water circulation system |
| CN105967357B (en) * | 2016-05-25 | 2019-01-29 | 常州市东南热电有限公司 | A kind of water circulation system antisludging agent |
| CN108342255A (en) * | 2018-02-07 | 2018-07-31 | 合肥嘉仕诚能源科技有限公司 | A kind of heating system pipeline Special scale remover and preparation method thereof |
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Application publication date: 20160518 |
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