CN109110933A - A kind of low-phosphorus antiincrustation corrosion inhibitor and preparation method thereof - Google Patents
A kind of low-phosphorus antiincrustation corrosion inhibitor and preparation method thereof Download PDFInfo
- Publication number
- CN109110933A CN109110933A CN201810959661.5A CN201810959661A CN109110933A CN 109110933 A CN109110933 A CN 109110933A CN 201810959661 A CN201810959661 A CN 201810959661A CN 109110933 A CN109110933 A CN 109110933A
- Authority
- CN
- China
- Prior art keywords
- acid
- low
- corrosion inhibitor
- water
- phosphorus antiincrustation
- 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
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
- C02F5/145—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus combined with inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/08—Corrosion inhibition
-
- 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
Landscapes
- 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 a kind of low-phosphorus antiincrustation corrosion inhibitors and preparation method thereof, belong to water treatment agent and its preparation technical field, its key points of the technical solution are that, including following component by mass percentage: hydrochloric acid 8%-15%, zinc salt 1%-6%, carboxylic acid-sulfonic-acrylic ester terpolymer 30%-40%, 2- phosphonic acid base -1,2,4- butane tricarboxylate 8%-10%, hydrolyzed maleic anhydride 20%-30%, surplus are water；It is 31% technical hydrochloric acid that the hydrochloric acid, which selects mass percent concentration,.Low-phosphorus antiincrustation corrosion inhibitor of the invention has low-phosphorous environment-friendly, suitable for high pH high temperature harshness condition of water quality, scale inhibition and to slow down corrosive effect splendid.The present invention accordingly discloses a kind of preparation method of above-mentioned low-phosphorus antiincrustation corrosion inhibitor, simple with processing step, and low-phosphorus antiincrustation corrosion inhibitor low-phosphorous environment-friendly obtained suitable for high pH high temperature harshness condition of water quality, scale inhibition and slows down the splendid advantage of corrosive effect.
Description
Technical field
The invention belongs to water treatment agent and its manufacturing technology fields, more specifically, it relates to a kind of low-phosphorus antiincrustation inhibition
Agent and preparation method thereof.
Background technique
In industrial water, the dosage of cooling water ranks first, and accounts for about 80%.It is cold using recycling for saving the method for cooling water
But water, and improve cycles of concentration.But in recirculating cooling water system, due to water temperature raising, the evaporation of water, various inorganic ions and
The concentration of organic substance increases the hardness, basicity and pH value of recirculated water naturally, so that the CO for dissociating in water and dissolving2A large amount of ease
It dissipates, just will form CaCO in feedwater piping and water equipment3Precipitating, causes CaCO in system3Fouling；And it is molten contained in water
Solution property gas, corrosivity salt contact and metal surface precipitation Fe with electrolyte such as acids with metal2+, make equipment and tube metal
It is destroyed.In order to reduce equipment corrosion, utilization rate of equipment and installations, energy saving, water source, it is ensured that the normal operation of production, mesh are improved
Preceding most common method is exactly that various water treatment agents are added into recirculated cooling water.It is that scale inhibition is slow that dosage is maximum in water treatment agent
Agent is lost, dosage accounts for 80% or more of water treatment agent dosage.
Foreign countries are since the 1930s uses anti-incrustation corrosion inhibitor in recirculated water, and water treatment agent is by single chromium system
Silicon systems, molybdenum system, phosphorus system, tungsten system and full stress-strain system till now etc..The research of China in this respect starts from 20th century 70
Age can produce a kinds up to a hundred at present, substantially can satisfy domestic market though starting to walk late high starting point, development fastly
Demand.
Such as in the prior art, it is slow that the Chinese patent that application publication number is CN104671454A discloses a kind of cooling water scale inhibition
Agent is lost, by following parts by weight at being grouped as: 1-10 parts of Sodium Polyacrylate, 5-20 parts of sulfonic acid dipersant, 5-20 parts of phosphate.
But phosphate is largely used in the formula, substantially through phosphorus content in this kind of anti-incrustation corrosion inhibitor treated water body
The problems such as being promoted, easily causing water eutrophication after discharge, does not meet environmentally protective growth requirement.Thus, how to develop
A kind of not phosphorous or low-phosphorous and scale inhibitor excellent effect low-phosphorus corrosion and scale inhibitor is problem to be solved in the industry out.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of low-phosphorus antiincrustation corrosion inhibitor, have
Low-phosphorous environment-friendly suitable for high pH high temperature harshness condition of water quality, scale inhibition and slows down the splendid advantage of corrosive effect.
To achieve the above object, the present invention provides the following technical scheme that
A kind of low-phosphorus antiincrustation corrosion inhibitor, including following component by mass percentage,
Hydrochloric acid 8%-15%
Zinc salt 1%-6%
Carboxylic acid-sulfonic-acrylic ester terpolymer 30%-40%
2- phosphonic acid base -1,2,4- butane tricarboxylate 8%-10%
Hydrolyzed maleic anhydride 20%-30%
Surplus is water；
It is 31% technical hydrochloric acid that the hydrochloric acid, which selects mass percent concentration,.
By using above-mentioned technical proposal, at least has the advantages that 1, not phosphate-containing in formula, greatly reduce phosphorus
Content, it is environmentally protective.2, the local ph at the corrosion in micro cell near cathodic region in solution increases, zinc salt water
A large amount of zinc ions are generated after solution, zinc ion is reacted with hydroxyl generates zinc hydroxide precipitation in cathodic region, it is suppressed that corrosion process
Cathode reaction and play corrosiveness.3, simultaneously containing strong on carboxylic acid-sulfonic-acrylic ester terpolymer strand
Acid, weak acid and non-ionic group, dispersion effect is excellent, suitable for high temperature, high ph-values, it is high-alkali under the conditions of use, in water
Iron oxide, calcium phosphate, trbasic zinc phosphate and precipitation of calcium carbonate have excellent inhibiting effect, it is high to the tolerance of calcium and with other groups
Dividing has good compatibility.4,2- phosphonic acid base -1,2,4- butane tricarboxylate and zinc salt have synergistic effect, scale inhibition and inhibition effect
Fruit is excellent, and high temperature resistant, chlorine-resistant are decomposed, phosphorus content is low, and effect on environment is small and is suitable for high temperature, high rigidity, high ph-values, highly concentrated
The harsh condition of water quality of demagnification number.5, hydrolyzed maleic anhydride has apparent threshold effect under high temperature (350 DEG C of <) and high ph-values,
There is good dispersion effect to carbonate, the scale inhibition time is up to 100h；It is cooperateed in addition, hydrolysis of polymaleic anhydride also has with zinc salt
Corrosion inhibition.6, technical hydrochloric acid incorporation on the one hand can the water body neutral and alkali substance to high ph-values neutralize, reduce high pH
Influence of the environment to other components scale inhibition, corrosion mitigating effect；On the other hand, the incorporation of hydrochloric acid, which has, inhibits water body that carbonate is precipitated
The effect of scale, scale inhibition effect are splendid.7, the low-phosphorus antiincrustation corrosion inhibitor of above-mentioned specific substance proportion, phosphorus content is low, to environment friend
It is good, scale inhibitor excellent, suitable for being used high ph-values, high temperature water body environment.
Further, the zinc salt is any one of zinc chloride, zinc sulfate, zinc nitrate.
By using above-mentioned technical proposal, zinc chloride, zinc sulfate, zinc nitrate are water-soluble zinc salt, at low cost, can be rapidly
Zinc hydroxide film is generated to slow down the corrosion of metal surface, and with other components compatibility it is good, compound corrosion mitigating effect more preferably.
Further, the carboxylic acid-sulfonic-acrylic ester terpolymer is by carboxylic acid monomer, sulfonic acid monomer and acrylic acid
Ester monomer is copolymerized, and molecular weight≤500Da；Wherein, carboxylic acid monomer is selected from crotonic acid, β-cinnamic acid, maleic acid and richness
Any one of horse acid；Sulfonic acid monomer is selected from any one of 2- acrylamide-2-methyl propane sulfonic and methacrylic sulfonic acid；Third
Olefin(e) acid ester monomer appointing in 2- methyl methacrylate, ethyl 2-methacrylate, methyl acrylate and ethyl acrylate
It is a kind of.
By using above-mentioned technical proposal, the excessive carboxylic acid of molecular weight-sulfonic-acrylic ester terpolymer, strand
It is too long, water-soluble sexual deviation, and the viscosity for easily causing anti-incrustation corrosion inhibitor increases, thus its molecular weight is advisable with≤500Da.On
Carboxylic acid-sulfonic-acrylic ester terpolymer favorable dispersibility, the scale inhibition effect for stating specific monomer selection are splendid.
Further, including following component by mass percentage,
Hydrochloric acid 8%-12%
Zinc salt 2%-5%
Carboxylic acid-sulfonic-acrylic ester terpolymer 30%-35%
2- phosphonic acid base -1,2,4- butane tricarboxylate 8%-10%
Hydrolyzed maleic anhydride 25%-30%
Surplus is water；
It is 31% technical hydrochloric acid that the hydrochloric acid, which selects mass percent concentration,.
By using above-mentioned technical proposal, the anti-incrustation corrosion inhibitor low-phosphorous environment-friendly of above-mentioned specific substance proportion, scale inhibitor effect
Fruit is splendid, is particularly suitable for using under high ph-values, high temperature water body environment.
Further, further include following component by mass percentage,
Organic acid 1%-5%
Chitosan 1%-1.5%
2-mercaptobenzothiazole 0.1%-0.5%
Imidazoline 0.1%-0.5%.
By using above-mentioned technical proposal, organic acid has complexing to the metal ion in water body, locates it each other
In dispersity, conducive to the segregation for reducing carbonate hard to tolerate, simultaneously because hydrochloric acid be not easy there are organic acid and metal from
Son complexing generates precipitating；It, can containing the polar group for being capable of providing electronics in chitosan, 2- sulfydryl phenylpropyl alcohol thiazole and imidazoline
To provide electronics in the micro cell of metal erosion, play the role of inhibiting metal erosion.In addition, 2- sulfydryl phenylpropyl alcohol thiazole and miaow
Oxazoline also has certain antibacterial, algae removal effect.
Further, the organic acid selects any one of lactic acid, malic acid, citric acid and benzoic acid.
By using above-mentioned technical proposal, lactic acid, malic acid, citric acid and benzoic acid are that common are machine carboxylic acid, valence
Lattice are cheap to be easy to get, conducive to the cost of manufacture of control anti-incrustation corrosion inhibitor.Lactic acid, malic acid, citric acid and benzoic acid belong to
Food or pharmaceutical additive, above-mentioned volume are safe, harmless.
Further, by mass percentage, further include,
Ethanolamine derivant 1%-2%.
By using above-mentioned technical proposal, ethanolamine derivant equally contains the polarity group for being capable of providing electronics, with shell
It is splendid that glycan, 2- sulfydryl phenylpropyl alcohol thiazole and imidazoline are used in compounding corrosion mitigating effect.
Further, the molecular formula of the ethanolamine derivant is,
HOCH2CH2NXY,
Wherein X is-H ,-CH3、-CH2CH3With-CH2CH2CH2CH3Any one of；Y is-CH3、-CH2CH3With-
CH2CH2CH2CH3Any one of.
By using above-mentioned technical proposal, anti-incrustation corrosion inhibitor scale inhibition obtained, corrosion mitigating effect are splendid.
Another object of the present invention is to provide a kind of preparation methods of low-phosphorus antiincrustation corrosion inhibitor, with processing step letter
Single, low-phosphorus antiincrustation corrosion inhibitor low-phosphorous environment-friendly obtained suitable for high pH high temperature harshness condition of water quality and scale inhibition and slows down corrosion effect
Fruit is splendid.
To achieve the above object, the present invention provides the following technical scheme that
A kind of preparation method of above-mentioned low-phosphorus antiincrustation corrosion inhibitor, includes the following steps,
Step 1: the substance according to claim 1 matches, hydrochloric acid, zinc salt, carboxylic acid-sulphur that mass percent concentration is 31% are weighed
Acid-acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolyzed maleic anhydride and water；
Step 2: hydrochloric acid is added and zinc salt stirs evenly after weighed water is added into stirred tank；
Step 3: carboxylic acid-sulfonic acid-propylene is added after temperature is reduced to≤38 DEG C in the temperature of mixed solution in measurement reaction kettle
Acid esters terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate and hydrolyzed maleic anhydride continue stirring nothing into mixing liquid
Obvious solid particle, discharge to obtain low-phosphorus antiincrustation corrosion inhibitor.
By using above-mentioned technical proposal, processing step is simple, only need to successively add each component for preparing anti-incrustation corrosion inhibitor
Enter stirred tank to stir evenly.Low-phosphorus antiincrustation corrosion inhibitor obtained has scale inhibition, corrosion mitigating effect in good, and is applicable in
It is used in high temperature, high ph-values water body environment.
Further, Step 2: mixing speed in step 3≤1500rpm.
By using above-mentioned technical proposal, it can effectively reduce and generate bubble during preparing anti-incrustation corrosion inhibitor.
In conclusion the invention has the following advantages:
1, not phosphate-containing in formula, greatly reduces phosphorus content, environmentally protective；
2, go out the local ph in micro cell near cathodic region in solution in corrosion to increase, be generated after zinc salt hydrolysis big
Zinc ion is measured, zinc ion is reacted with hydroxyl generates zinc hydroxide precipitation in cathodic region, it is suppressed that the cathode reaction of corrosion process
And play corrosiveness；
3, contain strong acid, weak acid and non-ionic group on carboxylic acid-sulfonic-acrylic ester terpolymer strand simultaneously, point
Dissipate excellent effect, suitable for high temperature, high ph-values, it is high-alkali under the conditions of use, in water iron oxide, calcium phosphate, trbasic zinc phosphate with
And precipitation of calcium carbonate has excellent inhibiting effect, it is high to the tolerance of calcium and there is good compatibility with other components；
4,2- phosphonic acid base -1,2,4- butane tricarboxylate and zinc salt have synergistic effect, scale inhibition and inhibition excellent effect, and resistance to height
Temperature, chlorine-resistant are decomposed, phosphorus content is low, and effect on environment is small and is suitable for high temperature, high rigidity, high ph-values, the harshness of highly enriched speed
Condition of water quality；
5, hydrolyzed maleic anhydride has apparent threshold effect under high temperature (350 DEG C of <) and high ph-values, has good point to carbonate
Effect is dissipated, the scale inhibition time is up to 100h；In addition, hydrolysis of polymaleic anhydride also has synergistic corrosion inhibition with zinc salt；
6, technical hydrochloric acid incorporation on the one hand can the water body neutral and alkali substance to high ph-values neutralize, reduce high pH environment pair
The influence of other components scale inhibition, corrosion mitigating effect；On the other hand, the incorporation of hydrochloric acid, which has, inhibits water body that carbonate scale is precipitated
Effect, scale inhibition effect are splendid；
7, the low-phosphorus antiincrustation corrosion inhibitor of above-mentioned specific substance proportion, phosphorus content is low, environmentally friendly, scale inhibitor excellent,
Suitable for being used high ph-values, high temperature water body environment；
8, anti-incrustation corrosion inhibitor preparation method of the invention has processing step simple, the low-phosphorous ring of low-phosphorus antiincrustation corrosion inhibitor obtained
It protects, suitable for high pH high temperature harshness condition of water quality, scale inhibition and slow down the splendid advantage of corrosive effect.
Specific embodiment
Below in conjunction with specific embodiment, invention is further described in detail.
Embodiment 1-6
A kind of low-phosphorus antiincrustation corrosion inhibitor, content meter by weight percent, the content of each component is as shown in the table,
Each component content table in 1. embodiment 1-6 of table
Wherein, hydrochloric acid is the technical hydrochloric acid that mass percent concentration is 31%.
Zinc chloride zinc sulfate, zinc nitrate substitution also may be used.
Carboxylic acid-sulfonic-acrylic ester terpolymer by carboxylic acid monomer, sulfonic acid monomer and acrylate monomer be copolymerized and
At, and molecular weight≤500Da；Wherein, carboxylic acid monomer can be in crotonic acid, β-cinnamic acid, maleic acid and fumaric acid
It is any；Sulfonic acid monomer can be selected from any one of 2- acrylamide-2-methyl propane sulfonic and methacrylic sulfonic acid；Acrylic acid
Ester monomer can appoint in 2- methyl methacrylate, ethyl 2-methacrylate, methyl acrylate and ethyl acrylate
It is a kind of.The carboxylic acid selected in embodiment 1-6-sulfonic-acrylic ester terpolymer is β-cinnamic acid/2- acrylamide-
2- methyl propane sulfonic acid/methyl acrylate terpolymer.
Embodiment 7-10
A kind of low-phosphorus antiincrustation corrosion inhibitor, content meter by weight percent, the content of each component is as shown in the table,
Each component content table in 2. embodiment 7-10 of table
Wherein, hydrochloric acid is the technical hydrochloric acid that mass percent concentration is 31%.
Zinc chloride zinc sulfate, zinc nitrate substitution also may be used.
Carboxylic acid-sulfonic-acrylic ester terpolymer by carboxylic acid monomer, sulfonic acid monomer and acrylate monomer be copolymerized and
At, and molecular weight≤500Da；Wherein, carboxylic acid monomer can be in crotonic acid, β-cinnamic acid, maleic acid and fumaric acid
It is any；Sulfonic acid monomer can be selected from any one of 2- acrylamide-2-methyl propane sulfonic and methacrylic sulfonic acid；Acrylic acid
Ester monomer can appoint in 2- methyl methacrylate, ethyl 2-methacrylate, methyl acrylate and ethyl acrylate
It is a kind of.The carboxylic acid selected in embodiment 1-6-sulfonic-acrylic ester terpolymer is β-cinnamic acid/2- acrylamide-
2- methyl propane sulfonic acid/methyl acrylate terpolymer.
Organic acid can select any one of lactic acid, malic acid, citric acid and benzoic acid.It is selected in embodiment 7-10
Benzoic acid.
Embodiment 11-14
A kind of low-phosphorus antiincrustation corrosion inhibitor, content meter by weight percent, the content of each component is as shown in the table,
Each component content table in 3. embodiment 11-14 of table
Wherein, hydrochloric acid is the technical hydrochloric acid that mass percent concentration is 31%.
Zinc chloride zinc sulfate, zinc nitrate substitution also may be used.
Carboxylic acid-sulfonic-acrylic ester terpolymer by carboxylic acid monomer, sulfonic acid monomer and acrylate monomer be copolymerized and
At, and molecular weight≤500Da；Wherein, carboxylic acid monomer can be in crotonic acid, β-cinnamic acid, maleic acid and fumaric acid
It is any；Sulfonic acid monomer can be selected from any one of 2- acrylamide-2-methyl propane sulfonic and methacrylic sulfonic acid；Acrylic acid
Ester monomer can appoint in 2- methyl methacrylate, ethyl 2-methacrylate, methyl acrylate and ethyl acrylate
It is a kind of.The carboxylic acid selected in embodiment 1-6-sulfonic-acrylic ester terpolymer is β-cinnamic acid/2- acrylamide-
2- methyl propane sulfonic acid/methyl acrylate terpolymer.
The molecular formula of ethanolamine derivant is HOCH2CH2NXY, wherein X is-H ,-CH3、-CH2CH3With-CH2CH2CH2CH3
Any one of, Y is-CH3、-CH2CH3With-CH2CH2CH2CH3Any one of.The ethanol amine selected in embodiment 11-14 spreads out
Biology is N, N '-dimethyl ethanol amine.
Embodiment 15
A kind of preparation method of low-phosphorus antiincrustation corrosion inhibitor, includes the following steps,
Step 1: weighing hydrochloric acid, the zinc chloride, β-cinnamic acid/2- propylene that mass percent concentration is 31% according to embodiment 1
Amide -2- methyl propane sulfonic acid/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolyzed maleic anhydride
And water；
Step 2: it is equal with the revolving speed stirring of 1500rpm that hydrochloric acid and zinc chloride is added after weighed water is added into stirred tank
It is even；
Step 3: β-cinnamic acid/2- is added after temperature is reduced to≤38 DEG C in the temperature of mixed solution in measurement reaction kettle
Acrylamide-2-methyl propane sulfonic/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate and hydrolysis horse
Carry out acid anhydrides, continuation is stirred into mixing liquid with the revolving speed of 1500rpm without obvious solid particle, and discharge to obtain low-phosphorus antiincrustation inhibition
Agent.
Embodiment 16
A kind of preparation method of low-phosphorus antiincrustation corrosion inhibitor, includes the following steps,
Step 1: weighing hydrochloric acid, the zinc chloride, β-cinnamic acid/2- propylene that mass percent concentration is 31% according to embodiment 2
Amide -2- methyl propane sulfonic acid/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolyzed maleic anhydride
And water；
Step 2: it is equal with the revolving speed stirring of 1400rpm that hydrochloric acid and zinc chloride is added after weighed water is added into stirred tank
It is even；
Step 3: β-cinnamic acid/2- is added after temperature is reduced to≤38 DEG C in the temperature of mixed solution in measurement reaction kettle
Acrylamide-2-methyl propane sulfonic/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate and hydrolysis horse
Carry out acid anhydrides, continuation is stirred into mixing liquid with the revolving speed of 1400rpm without obvious solid particle, and discharge to obtain low-phosphorus antiincrustation inhibition
Agent.
Embodiment 17
A kind of preparation method of low-phosphorus antiincrustation corrosion inhibitor, includes the following steps,
Step 1: weighing hydrochloric acid, the zinc chloride, β-cinnamic acid/2- propylene that mass percent concentration is 31% according to embodiment 3
Amide -2- methyl propane sulfonic acid/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolyzed maleic anhydride
And water；
Step 2: it is equal with the revolving speed stirring of 1300rpm that hydrochloric acid and zinc chloride is added after weighed water is added into stirred tank
It is even；
Step 3: β-cinnamic acid/2- is added after temperature is reduced to≤38 DEG C in the temperature of mixed solution in measurement reaction kettle
Acrylamide-2-methyl propane sulfonic/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate and hydrolysis horse
Carry out acid anhydrides, continuation is stirred into mixing liquid with the revolving speed of 1300rpm without obvious solid particle, and discharge to obtain low-phosphorus antiincrustation inhibition
Agent.
Embodiment 18
A kind of preparation method of low-phosphorus antiincrustation corrosion inhibitor, includes the following steps,
Step 1: weighing hydrochloric acid, the zinc chloride, β-cinnamic acid/2- propylene that mass percent concentration is 31% according to embodiment 4
Amide -2- methyl propane sulfonic acid/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolyzed maleic anhydride
And water；
Step 2: it is equal with the revolving speed stirring of 1200rpm that hydrochloric acid and zinc chloride is added after weighed water is added into stirred tank
It is even；
Step 3: β-cinnamic acid/2- is added after temperature is reduced to≤38 DEG C in the temperature of mixed solution in measurement reaction kettle
Acrylamide-2-methyl propane sulfonic/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate and hydrolysis horse
Carry out acid anhydrides, continuation is stirred into mixing liquid with the revolving speed of 1200rpm without obvious solid particle, and discharge to obtain low-phosphorus antiincrustation inhibition
Agent.
Embodiment 19
A kind of preparation method of low-phosphorus antiincrustation corrosion inhibitor, includes the following steps,
Step 1: weighing hydrochloric acid, the zinc chloride, β-cinnamic acid/2- propylene that mass percent concentration is 31% according to embodiment 5
Amide -2- methyl propane sulfonic acid/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolyzed maleic anhydride
And water；
Step 2: it is equal with the revolving speed stirring of 1100rpm that hydrochloric acid and zinc chloride is added after weighed water is added into stirred tank
It is even；
Step 3: β-cinnamic acid/2- is added after temperature is reduced to≤38 DEG C in the temperature of mixed solution in measurement reaction kettle
Acrylamide-2-methyl propane sulfonic/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate and hydrolysis horse
Carry out acid anhydrides, continuation is stirred into mixing liquid with the revolving speed of 1100rpm without obvious solid particle, and discharge to obtain low-phosphorus antiincrustation inhibition
Agent.
Embodiment 20
A kind of preparation method of low-phosphorus antiincrustation corrosion inhibitor, includes the following steps,
Step 1: weighing hydrochloric acid, the zinc chloride, β-cinnamic acid/2- propylene that mass percent concentration is 31% according to embodiment 6
Amide -2- methyl propane sulfonic acid/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolyzed maleic anhydride
And water；
Step 2: it is equal with the revolving speed stirring of 1000rpm that hydrochloric acid and zinc chloride is added after weighed water is added into stirred tank
It is even；
Step 3: β-cinnamic acid/2- is added after temperature is reduced to≤38 DEG C in the temperature of mixed solution in measurement reaction kettle
Acrylamide-2-methyl propane sulfonic/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate and hydrolysis horse
Carry out acid anhydrides, continuation is stirred into mixing liquid with the revolving speed of 1000rpm without obvious solid particle, and discharge to obtain low-phosphorus antiincrustation inhibition
Agent.
Embodiment 21
A kind of preparation method of low-phosphorus antiincrustation corrosion inhibitor, includes the following steps,
Step 1: weighing hydrochloric acid, the zinc chloride, β-cinnamic acid/2- propylene that mass percent concentration is 31% according to embodiment 7
Amide -2- methyl propane sulfonic acid/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolysis maleic acid
Acid anhydride, benzoic acid, chitosan, 2-mercaptobenzothiazole, imidazoline and water；
Step 2: hydrochloric acid, zinc chloride, benzoic acid and chitosan is added with 1000rpm after weighed water is added into stirred tank
Revolving speed stir evenly；
Step 3: β-cinnamic acid/2- is added after temperature is reduced to≤38 DEG C in the temperature of mixed solution in measurement reaction kettle
Acrylamide-2-methyl propane sulfonic/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolysis Malaysia
Acid anhydrides, 2-mercaptobenzothiazole and imidazoline, continuation are stirred into mixing liquid with the revolving speed of 1000rpm without obvious solid
Grain, discharge to obtain low-phosphorus antiincrustation corrosion inhibitor.
Embodiment 22
A kind of preparation method of low-phosphorus antiincrustation corrosion inhibitor, includes the following steps,
Step 1: weighing hydrochloric acid, the zinc chloride, β-cinnamic acid/2- propylene that mass percent concentration is 31% according to embodiment 8
Amide -2- methyl propane sulfonic acid/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolysis maleic acid
Acid anhydride, benzoic acid, chitosan, 2-mercaptobenzothiazole, imidazoline and water；
Step 2: hydrochloric acid, zinc chloride, benzoic acid and chitosan is added with 1000rpm after weighed water is added into stirred tank
Revolving speed stir evenly；
Step 3: β-cinnamic acid/2- is added after temperature is reduced to≤38 DEG C in the temperature of mixed solution in measurement reaction kettle
Acrylamide-2-methyl propane sulfonic/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolysis Malaysia
Acid anhydrides, 2-mercaptobenzothiazole and imidazoline, continuation are stirred into mixing liquid with the revolving speed of 1000rpm without obvious solid
Grain, discharge to obtain low-phosphorus antiincrustation corrosion inhibitor.
Embodiment 23
A kind of preparation method of low-phosphorus antiincrustation corrosion inhibitor, includes the following steps,
Step 1: weighing hydrochloric acid, the zinc chloride, β-cinnamic acid/2- propylene that mass percent concentration is 31% according to embodiment 9
Amide -2- methyl propane sulfonic acid/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolysis maleic acid
Acid anhydride, benzoic acid, chitosan, 2-mercaptobenzothiazole, imidazoline and water；
Step 2: hydrochloric acid, zinc chloride, benzoic acid and chitosan is added with 1000rpm after weighed water is added into stirred tank
Revolving speed stir evenly；
Step 3: β-cinnamic acid/2- is added after temperature is reduced to≤38 DEG C in the temperature of mixed solution in measurement reaction kettle
Acrylamide-2-methyl propane sulfonic/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolysis Malaysia
Acid anhydrides, 2-mercaptobenzothiazole and imidazoline, continuation are stirred into mixing liquid with the revolving speed of 1000rpm without obvious solid
Grain, discharge to obtain low-phosphorus antiincrustation corrosion inhibitor.
Embodiment 24
A kind of preparation method of low-phosphorus antiincrustation corrosion inhibitor, includes the following steps,
Step 1: weighing hydrochloric acid, the zinc chloride, β-cinnamic acid/2- propylene that mass percent concentration is 31% according to embodiment 10
Amide -2- methyl propane sulfonic acid/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolysis maleic acid
Acid anhydride, benzoic acid, chitosan, 2-mercaptobenzothiazole, imidazoline and water；
Step 2: hydrochloric acid, zinc chloride, benzoic acid and chitosan is added with 1000rpm after weighed water is added into stirred tank
Revolving speed stir evenly；
Step 3: β-cinnamic acid/2- is added after temperature is reduced to≤38 DEG C in the temperature of mixed solution in measurement reaction kettle
Acrylamide-2-methyl propane sulfonic/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolysis Malaysia
Acid anhydrides, 2-mercaptobenzothiazole and imidazoline, continuation are stirred into mixing liquid with the revolving speed of 1000rpm without obvious solid
Grain, discharge to obtain low-phosphorus antiincrustation corrosion inhibitor.
Embodiment 25
A kind of preparation method of low-phosphorus antiincrustation corrosion inhibitor, includes the following steps,
Step 1: weighing hydrochloric acid, the zinc chloride, β-cinnamic acid/2- propylene that mass percent concentration is 31% according to embodiment 11
Amide -2- methyl propane sulfonic acid/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolysis maleic acid
Acid anhydride, benzoic acid, chitosan, 2-mercaptobenzothiazole, imidazoline, N, N '-dimethyl ethanol amine and water；
Step 2: hydrochloric acid, zinc chloride, benzoic acid and chitosan is added with 1000rpm after weighed water is added into stirred tank
Revolving speed stir evenly；
Step 3: β-cinnamic acid/2- is added after temperature is reduced to≤38 DEG C in the temperature of mixed solution in measurement reaction kettle
Acrylamide-2-methyl propane sulfonic/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolysis Malaysia
Acid anhydrides, 2-mercaptobenzothiazole, imidazoline and N, N '-dimethyl ethanol amine, continuation are stirred with the revolving speed of 1000rpm to mixed liquor
Without obvious solid particle in body, discharge to obtain low-phosphorus antiincrustation corrosion inhibitor.
Embodiment 26
A kind of preparation method of low-phosphorus antiincrustation corrosion inhibitor, includes the following steps,
Step 1: weighing hydrochloric acid, the zinc chloride, β-cinnamic acid/2- propylene that mass percent concentration is 31% according to embodiment 12
Amide -2- methyl propane sulfonic acid/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolysis maleic acid
Acid anhydride, benzoic acid, chitosan, 2-mercaptobenzothiazole, imidazoline, N, N '-dimethyl ethanol amine and water；
Step 2: hydrochloric acid, zinc chloride, benzoic acid and chitosan is added with 1000rpm after weighed water is added into stirred tank
Revolving speed stir evenly；
Step 3: β-cinnamic acid/2- is added after temperature is reduced to≤38 DEG C in the temperature of mixed solution in measurement reaction kettle
Acrylamide-2-methyl propane sulfonic/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolysis Malaysia
Acid anhydrides, 2-mercaptobenzothiazole, imidazoline and N, N '-dimethyl ethanol amine, continuation are stirred with the revolving speed of 1000rpm to mixed liquor
Without obvious solid particle in body, discharge to obtain low-phosphorus antiincrustation corrosion inhibitor.
Embodiment 27
A kind of preparation method of low-phosphorus antiincrustation corrosion inhibitor, includes the following steps,
Step 1: weighing hydrochloric acid, the zinc chloride, β-cinnamic acid/2- propylene that mass percent concentration is 31% according to embodiment 13
Amide -2- methyl propane sulfonic acid/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolysis maleic acid
Acid anhydride, benzoic acid, chitosan, 2-mercaptobenzothiazole, imidazoline, N, N '-dimethyl ethanol amine and water；
Step 2: hydrochloric acid, zinc chloride, benzoic acid and chitosan is added with 1000rpm after weighed water is added into stirred tank
Revolving speed stir evenly；
Step 3: β-cinnamic acid/2- is added after temperature is reduced to≤38 DEG C in the temperature of mixed solution in measurement reaction kettle
Acrylamide-2-methyl propane sulfonic/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolysis Malaysia
Acid anhydrides, 2-mercaptobenzothiazole, imidazoline and N, N '-dimethyl ethanol amine, continuation are stirred with the revolving speed of 1000rpm to mixed liquor
Without obvious solid particle in body, discharge to obtain low-phosphorus antiincrustation corrosion inhibitor.
Embodiment 28
A kind of preparation method of low-phosphorus antiincrustation corrosion inhibitor, includes the following steps,
Step 1: weighing hydrochloric acid, the zinc chloride, β-cinnamic acid/2- propylene that mass percent concentration is 31% according to embodiment 14
Amide -2- methyl propane sulfonic acid/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolysis maleic acid
Acid anhydride, benzoic acid, chitosan, 2-mercaptobenzothiazole, imidazoline, N, N '-dimethyl ethanol amine and water；
Step 2: hydrochloric acid, zinc chloride, benzoic acid and chitosan is added with 1000rpm after weighed water is added into stirred tank
Revolving speed stir evenly；
Step 3: β-cinnamic acid/2- is added after temperature is reduced to≤38 DEG C in the temperature of mixed solution in measurement reaction kettle
Acrylamide-2-methyl propane sulfonic/methyl acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolysis Malaysia
Acid anhydrides, 2-mercaptobenzothiazole, imidazoline and N, N '-dimethyl ethanol amine, continuation are stirred with the revolving speed of 1000rpm to mixed liquor
Without obvious solid particle in body, discharge to obtain low-phosphorus antiincrustation corrosion inhibitor.
Performance test
Respectively using low-phosphorus antiincrustation corrosion inhibitor made from the preparation method of the low-phosphorus antiincrustation corrosion inhibitor of embodiment 15-28 as test sample 1-
14；Using certain commercially available organic phosphorus anti-incrustation corrosion inhibitor as reference examples 1, with Authorization Notice No. CN102583785B, entitled " circulating cooling
Water corrosion inhibiter and its preparation and application " disclosed embodiment 1 is reference examples 2.
The test of A scale-inhibiting properties
The water that test uses is that the supplement water of certain chemical company's recirculated cooling water is dense according to 5.0 times of progress natures of multiple in laboratory
It contracts and obtains.
The water quality of supplement water before concentration, as shown in the table:
Table 4. supplements water water analysis before being concentrated
Table 5. supplements water water analysis after being concentrated
" tosca method " is tried in " cooling water analysis and test method " that test method is promulgated referring to China Petrochemical Industry Company
It tests.
Experimental condition: test temperature, 80 ± 1 DEG C；Experimental period, 10 hours；
The calculating of opposite scale inhibition performance (η):
Test result is as shown in the table:
Table 6.
Table 7.
As the test result of table 6 and table 7 it is found that low-phosphorus antiincrustation corrosion inhibitor of the invention or as made from preparation method of the present invention
The opposite scale inhibition performance of low-phosphorus antiincrustation corrosion inhibitor reaches 98.5% or more, is much higher than reference examples 1, reference examples 2, can effectively inhibit water
The precipitation of the scales such as middle calcium carbonate and calcium phosphate, scale inhibition effect are excellent.Meanwhile organic acid, chitosan, 2- mercapto are added in formula
After base benzothiazole, imidazoline and ethanolamine derivant, the scale-inhibiting properties of low-phosphorus antiincrustation corrosion inhibitor are slightly promoted, but amplitude
Less.
The test of B corrosion inhibition
" rotary hanging plate weight-loss method " is tested in " cooling water analysis and the test method " promulgated referring to China Petrochemical Industry Company；
Test temperature: 45 ± 1 DEG C；
Anti-incrustation corrosion inhibitor adds concentration: 30mg/L;
Lacing film revolving speed: 75-80r/min；
Test piece: material, carbon steel；Specific surface area 28cm2;
Experimental period: 72 hours (carbon steel);
The calculating of rate of corrosion:
Wherein,
C: computational constant 8.76 × 104；
Δ W: test piece is weightless, g；
A: strip product, cm2;
T: experimental period, hour；
ρ: test piece density, g/cm3。
Test result is as shown in the table:
Table 8.
Table 9.
By the experimental data of table 8 and table 9 it is found that low-phosphorus antiincrustation corrosion inhibitor of the invention or by the low-phosphorous of the method for the present invention preparation
The corrosion mitigating effect of anti-incrustation corrosion inhibitor is substantially better than reference examples 1 and reference examples 2, the corrosion rate of metal testing plate only have reference examples 1 or
50% or so of reference examples 2.Meanwhile in formula after admixture organic acid, chitosan, 2-mercaptobenzothiazole and imidazoline, scale inhibition is slow
The corrosion mitigating effect of erosion agent is risen, and after ethanolamine derivant is added, the corrosion rate of metal testing plate further declines.
Above-mentioned specific embodiment is only explanation of the invention, is not limitation of the present invention, art technology
Personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as
All by the protection of Patent Law in scope of the presently claimed invention.
Claims (10)
1. a kind of low-phosphorus antiincrustation corrosion inhibitor, it is characterised in that: including following component by mass percentage,
Hydrochloric acid 8%-15%
Zinc salt 1%-6%
Carboxylic acid-sulfonic-acrylic ester terpolymer 30%-40%
Phosphonic acid base -1,2,4- butane tricarboxylate 8%-10%
Hydrolyzed maleic anhydride 20%-30%
Surplus is water；
It is 31% technical hydrochloric acid that the hydrochloric acid, which selects mass percent concentration,.
2. a kind of low-phosphorus antiincrustation corrosion inhibitor according to claim 1, it is characterised in that: the zinc salt is zinc chloride, sulfuric acid
Any one of zinc, zinc nitrate.
3. a kind of low-phosphorus antiincrustation corrosion inhibitor according to claim 1, it is characterised in that: the carboxylic acid-sulfonic-acrylic ester
Terpolymer is copolymerized by carboxylic acid monomer, sulfonic acid monomer and acrylate monomer, and molecular weight≤500Da；
Wherein, carboxylic acid monomer is selected from any one of crotonic acid, β-cinnamic acid, maleic acid and fumaric acid；
Sulfonic acid monomer is selected from any one of 2- acrylamide-2-methyl propane sulfonic and methacrylic sulfonic acid；
Acrylate monomer is selected from 2- methyl methacrylate, ethyl 2-methacrylate, methyl acrylate and ethyl acrylate
Any one of.
4. a kind of low-phosphorus antiincrustation corrosion inhibitor according to claim 1, it is characterised in that: including by mass percentage as
Lower component,
Hydrochloric acid 8%-12%
Zinc salt 2%-5%
Carboxylic acid-sulfonic-acrylic ester terpolymer 30%-35%
2- phosphonic acid base -1,2,4- butane tricarboxylate 8%-10%
Hydrolyzed maleic anhydride 25%-30%
Surplus is water；
It is 31% technical hydrochloric acid that the hydrochloric acid, which selects mass percent concentration,.
5. a kind of low-phosphorus antiincrustation corrosion inhibitor according to claim 4, it is characterised in that: further include by mass percentage
Following component,
Organic acid 1%-5%
Chitosan 1%-1.5%
2-mercaptobenzothiazole 0.1%-0.5%
Imidazoline 0.1%-0.5%.
6. a kind of low-phosphorus antiincrustation corrosion inhibitor according to claim 5, it is characterised in that: the organic acid selects lactic acid, apple
Any one of tartaric acid, citric acid and benzoic acid.
7. a kind of low-phosphorus antiincrustation corrosion inhibitor according to claim 5, it is characterised in that: by mass percentage, further include,
Ethanolamine derivant 1%-2%.
8. a kind of low-phosphorus antiincrustation corrosion inhibitor according to claim 7, it is characterised in that: the molecule of the ethanolamine derivant
Formula is,
HOCH2CH2NXY,
Wherein X is-H ,-CH3、-CH2CH3With-CH2CH2CH2CH3Any one of；Y is-CH3、-CH2CH3With-CH2CH2CH2CH3
Any one of.
9. a kind of preparation method of low-phosphorus antiincrustation corrosion inhibitor as described in claim 1, it is characterised in that: include the following steps,
Step 1: the substance according to claim 1 matches, hydrochloric acid, zinc salt, carboxylic acid-sulphur that mass percent concentration is 31% are weighed
Acid-acrylate terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate, hydrolyzed maleic anhydride and water；
Step 2: hydrochloric acid is added and zinc salt stirs evenly after weighed water is added into stirred tank；
Step 3: carboxylic acid-sulfonic acid-propylene is added after temperature is reduced to≤38 DEG C in the temperature of mixed solution in measurement reaction kettle
Acid esters terpolymer, 2- phosphonic acid base -1,2,4- butane tricarboxylate and hydrolyzed maleic anhydride continue stirring nothing into mixing liquid
Obvious solid particle, discharge to obtain low-phosphorus antiincrustation corrosion inhibitor.
10. the preparation method of low-phosphorus antiincrustation corrosion inhibitor according to claim 9, it is characterised in that: Step 2: in step 3
Mixing speed≤1500rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810959661.5A CN109110933B (en) | 2018-08-22 | 2018-08-22 | Low-phosphorus scale and corrosion inhibitor and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810959661.5A CN109110933B (en) | 2018-08-22 | 2018-08-22 | Low-phosphorus scale and corrosion inhibitor and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109110933A true CN109110933A (en) | 2019-01-01 |
| CN109110933B CN109110933B (en) | 2021-05-04 |
Family
ID=64853502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810959661.5A Active CN109110933B (en) | 2018-08-22 | 2018-08-22 | Low-phosphorus scale and corrosion inhibitor and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109110933B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111635018A (en) * | 2020-06-02 | 2020-09-08 | 广州沃而特环境技术有限公司 | Circulating water scale inhibition and dispersion agent suitable for reverse osmosis membrane and scale inhibition method |
| CN112174343A (en) * | 2020-11-03 | 2021-01-05 | 西安热工研究院有限公司 | Green environment-friendly non-phosphorus scale and corrosion inhibitor and preparation method thereof |
| CN112320975A (en) * | 2020-08-31 | 2021-02-05 | 嘉兴沃特泰科环保科技股份有限公司 | Phosphorus-containing scale inhibitor for industrial circulating water and preparation method and application thereof |
| CN113684483A (en) * | 2021-08-26 | 2021-11-23 | 常州市武进盛源化工有限公司 | Zinc chloride compound corrosion inhibitor for circulating cooling water and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4820423A (en) * | 1986-04-03 | 1989-04-11 | Nalco Chemical Company | Branched alkyl acrylamide types of polymer-zinc corrosion inhibitor |
| CN101172719A (en) * | 2006-10-31 | 2008-05-07 | 中国石油化工股份有限公司 | Dirty blocking inhibitor and application in water treatment thereof |
| CN101746904A (en) * | 2009-12-29 | 2010-06-23 | 南京工业大学 | Low-phosphorus water treatment composition |
| CN102603086A (en) * | 2012-04-19 | 2012-07-25 | 山东京博控股股份有限公司 | Corrosion and scale inhibitor for cooling water in petrochemical industry |
| CN107324512A (en) * | 2017-07-05 | 2017-11-07 | 韶关市雅鲁环保实业有限公司 | The fouling cleaning agent and cleaning method of iron-smelter flushing cinder water system |
| CN107973424A (en) * | 2016-10-25 | 2018-05-01 | 中国石油化工股份有限公司 | The corrosion-proofing and antisludging method and oil production method of composite slow-corrosion scale resistor, oil field water |
-
2018
- 2018-08-22 CN CN201810959661.5A patent/CN109110933B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4820423A (en) * | 1986-04-03 | 1989-04-11 | Nalco Chemical Company | Branched alkyl acrylamide types of polymer-zinc corrosion inhibitor |
| CN101172719A (en) * | 2006-10-31 | 2008-05-07 | 中国石油化工股份有限公司 | Dirty blocking inhibitor and application in water treatment thereof |
| CN101746904A (en) * | 2009-12-29 | 2010-06-23 | 南京工业大学 | Low-phosphorus water treatment composition |
| CN102603086A (en) * | 2012-04-19 | 2012-07-25 | 山东京博控股股份有限公司 | Corrosion and scale inhibitor for cooling water in petrochemical industry |
| CN107973424A (en) * | 2016-10-25 | 2018-05-01 | 中国石油化工股份有限公司 | The corrosion-proofing and antisludging method and oil production method of composite slow-corrosion scale resistor, oil field water |
| CN107324512A (en) * | 2017-07-05 | 2017-11-07 | 韶关市雅鲁环保实业有限公司 | The fouling cleaning agent and cleaning method of iron-smelter flushing cinder water system |
Non-Patent Citations (1)
| Title |
|---|
| 李进军等: "《绿色化学导论 第二版》", 31 August 2015, 武汉大学出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111635018A (en) * | 2020-06-02 | 2020-09-08 | 广州沃而特环境技术有限公司 | Circulating water scale inhibition and dispersion agent suitable for reverse osmosis membrane and scale inhibition method |
| CN112320975A (en) * | 2020-08-31 | 2021-02-05 | 嘉兴沃特泰科环保科技股份有限公司 | Phosphorus-containing scale inhibitor for industrial circulating water and preparation method and application thereof |
| CN112174343A (en) * | 2020-11-03 | 2021-01-05 | 西安热工研究院有限公司 | Green environment-friendly non-phosphorus scale and corrosion inhibitor and preparation method thereof |
| CN113684483A (en) * | 2021-08-26 | 2021-11-23 | 常州市武进盛源化工有限公司 | Zinc chloride compound corrosion inhibitor for circulating cooling water and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109110933B (en) | 2021-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109110933A (en) | A kind of low-phosphorus antiincrustation corrosion inhibitor and preparation method thereof | |
| US9714181B2 (en) | Terpolymerized corrosion and scale inhibitor used in circulating cooling water of central air conditioning and its preparation method | |
| US9714182B2 (en) | Phosphorus-free corrosion and scale inhibitor used in circulating cooling water of central air conditioning and its preparation method | |
| CN104891684B (en) | Without phosphorus composite slow-corrosion scale resistor for bitter recirculated water and preparation method thereof | |
| CN103086524B (en) | High-efficiency grey water dispersing agent | |
| CN104058511A (en) | Non-phosphorus composite corrosion and scale inhibitor used for circulating water | |
| CN106242088A (en) | A kind of composite slow-corrosion scale resistor for high chloride ion circulating water | |
| CN106242085A (en) | A kind of circularly-cooling sea water non-phosphorus scale and corrosion inhibitor and preparation method thereof | |
| CN106809962B (en) | A kind of composite slow-corrosion scale resistor and its preparation method and application | |
| CN107777789A (en) | Low-phosphor efficient anti-incrustation corrosion inhibitor for circulating water treatment and preparation method thereof | |
| CN103523935A (en) | Preparation method of tracing type phosphorus-free corrosion and scale inhibitor | |
| CN108611647A (en) | A kind of cleaning prefilming agent and the preparation method and application thereof | |
| CN105112900B (en) | Without phosphorus prefilming agent and its preparation and application for recirculating cooling water system | |
| CN105036363A (en) | Composite corrosion inhibitor suitable for desalted water and preparation method | |
| CN106698687A (en) | Compound scale and corrosion inhibitor and application thereof in treatment of circulating cooling water | |
| CN103553219B (en) | Preparation method and application of corrosion and scale inhibitor for ethylene glycol sealed circulating water | |
| CN103864232B (en) | General corrosion and scale inhibitor for purifying circulating water and preparation and application thereof | |
| CN107304077B (en) | Corrosion-inhibition, scale-inhibition and sterilization composition and application thereof | |
| CN102295355B (en) | Identifiable environmentally-friendly scale and corrosion inhibitor | |
| CN110921857A (en) | Special scale inhibitor for MVR system and preparation method thereof | |
| CN102826663B (en) | Scale and corrosion inhibitor and application thereof | |
| CN104140162A (en) | Non-phosphorus scale and corrosion inhibitor employing seawater as circulating cooling water, and preparation method thereof | |
| CN107698041A (en) | A kind of recirculating cooling water system corrosion inhibiting and descaling agent using desalinization water as moisturizing | |
| CN110104803A (en) | A kind of environment-friendly composite corrosion and scale inhibitor, method of preparation and use | |
| CN111072165A (en) | Composite scale and corrosion inhibitor and application thereof in low hard water |
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 |