CN103936176A - Corrosion and scale inhibitor for industrial circulating water - Google Patents
Corrosion and scale inhibitor for industrial circulating water Download PDFInfo
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Abstract
The invention belongs to the technical field of industrial circulating cooling water treatment, and particularly relates to a novel long-acting corrosion and scale inhibitor for a high-concentration-multiple industrial circulating cooling water system. The corrosion and scale inhibitor for industrial circulating water is characterized by being prepared from 5-15% of carboxylate-sulfonate-nonionic terpolymer, 5-15% of 2-phosphonic acid butane-1,2,4-tricarboxylic acid, 5-15% of 2-hydroxyphosphonocarboxylic acid, 5-15% of carbon steel corrosion inhibitor, 0.5-5% of copper corrosion inhibitor, 5-15% of stainless steel corrosion inhibitor, 5-15% of stabilizer and the balance of water. The long-acting corrosion and scale inhibitor is used for the high-concentration-multiple (more than 6 times) industrial circulating cooling water system and is capable of reducing the consumption and discharge capacity of the industrial circulating cooling water and realizing energy conservation and emission reduction.
Description
Technical field
The invention belongs to technology of industrial recirculating cooling water treatment field, particularly relate to a kind of long-acting novel corrosion-retarding Scale inhibitors for high concentration multiple industrial circulating cooling water system.
Technical background
Along with the sharply increase of China's rapid economic development and population, shortage of water resources has become the important factor of restriction China's economic construction and development, in China's process water, 80% is Municipal Sewage for Circulating, saving industrial circulating cooling water is the main method of rational utilization of water resources, and the cycles of concentration that improves industrial circulating cooling water is the best way that reduces recirculated cooling water water consumption and reduce blowdown.
Industrial colling is recycling in process, the harm such as there will be that inorganic salt in various degree deposition is adhered to, corroding metal and bacterium alga microbial grow, cause the serious consequences such as heat-exchange equipment reduction of heat exchange efficiency, line clogging, system corrosion, adopt rational corrosion-mitigation scale-inhibition medicament and sterilization algae removal medicament can reduce the corrosion and scaling of metal material in system and the harm that microbial growth causes according to recirculating cooling water system feature and water quality character, avoid the decline of heat exchange efficiency and extend the work-ing life of system.
When the cycles of concentration of raising industrial circulating cooling water is particularly brought up to 6 times above (high concentration multiple) cycles of concentration, can greatly reduce the water consumption of industrial circulating cooling water, but along with the raising of cycles of concentration, add because ambient water pollution cause causes supplementing the deterioration of water quality, the residence time can be elongated in system for recirculated cooling water and inhibition scale inhibition agent, various inorganicss, the concentrated of organism material is multiplied, suspended substance also can increase, corrosion-mitigation scale-inhibition medicament is elongated in the intrasystem residence time, can be because self degrade, the absorption of oxidized property Biocidal algae-killing agent oxidation and organic suspended matter causes actual effective concentration in recirculated water to decline, the inhibition of corrosion inhibiting and descaling agent and the effect of scale inhibition are reduced, can endanger the safe operation of circulating water system, so need to develop long-acting novel corrosion-retarding Scale inhibitors, ensure the operation of recirculating cooling water system safety economy.
Summary of the invention
The object of the present invention is to provide a kind of industrial circulating water corrosion inhibiting and descaling agent, for high concentration multiple (more than 6 times) industrial circulating cooling water system, reduce water consumption and the blowdown flow rate of industrial circulating cooling water, energy-saving and emission-reduction.
To achieve these goals, technical scheme provided by the invention is: a kind of industrial circulating water corrosion inhibiting and descaling agent, is characterized in that comprising that carboxylate salt-sulfonate-nonionic terpolymer, 2-phosphonic acids butane-1,2,4, tricarboxylic acid, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid, carbon steel corrosion inhibitor, copper inhibitor, stainless steel inhibiter, stablizer and water are prepared from; The shared mass percent of each raw material is: carboxylate salt-sulfonate-nonionic terpolymer 5-15%, 2-phosphonic acids butane-1,2,4, tricarboxylic acid 5-15%, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid 5-15%, carbon steel corrosion inhibitor 5-15%, copper inhibitor 0.5-5%, stainless steel inhibiter 5-15%, stablizer 5-15%, all the other are water.
Described carbon steel corrosion inhibitor is that one or two or more kinds in zinc nitrate, zinc sulfate, zinc chloride is by the mixture of any proportioning.
Described copper inhibitor is that one or two or more kinds in 1-methylol benzotriazole, dichloro trimethylphenyl triazole, methyl benzotriazazole is by the mixture of any proportioning.
Described stainless steel inhibiter is that one or two or more kinds in 2-aminoethyl 17 alkenyl imidazolines, two 17 alkenyl imidazoline quaternary ammonium salts, 2-propargyl mercaptobenzimidazole is by the mixture of any proportioning.
Described stablizer is that one or two or more kinds in acrylic acid-ethylene base sulfonic acid copolymer, acrylic acid-maleic anhydride copolymer, vinylformic acid-2-acrylamide-2-methylpro panesulfonic acid is by the mixture of any proportioning.
The manufacture method of corrosion inhibiting and descaling agent of the present invention: get respectively material by the mass percent of described composition, then normal temperature and pressure stirs half hour, obtains product.
Corrosion inhibiting and descaling agent of the present invention is applicable to high concentration multiple stainless steel, the industrial colling recycle system of carbon steel and copper material, particularly in low-hardness low-alkalinity Corrosive water quality, recirculated cooling water cycles of concentration can reach more than 6 times, water pH value 7.5-9.5, chlorine residue < 1.0, calcium hardness adds full basicity (in calcium carbonate) < 1150mg/L, in chlorion < 1000mg/L industry refrigeration cycle aqueous systems, it is 5-80mg/L that corrosion inhibiting and descaling agent adds concentration, medicament corrosion and scale inhibition performance can reach " GB50050-2007 Code for design of industrial recirculating cooling water treatment " related request.
Beneficial effect of the present invention is: this corrosion inhibiting and descaling agent is applicable in the industrial circulating water system of stainless steel, carbon steel and copper material, industrial cooling circulating water cycles of concentration can be brought up to more than 6, save and supplement water and reduce water amount of blowdown, and in industrial cooling circulating water total phosphorous and zinc ion content all in " GB8978-2002 integrated wastewater discharge standard " within relevant emission limit.Ensure the safety and economic operation of industrial cycle cooling system, energy-saving and emission-reduction.
Embodiment
In order to understand better the present invention, further illustrate content of the present invention below in conjunction with embodiment, but the present invention is not only confined to the following examples.
The medicament (raw material) using in following embodiment is the conventional commodity medicine of market product or laboratory.
Embodiment 1:
A kind of industrial circulating water corrosion inhibiting and descaling agent, comprises that carboxylate salt-sulfonate-nonionic terpolymer, 2-phosphonic acids butane-1,2,4, tricarboxylic acid, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid, carbon steel corrosion inhibitor, copper inhibitor, stainless steel inhibiter, stablizer and water are prepared from; The shared mass percent of each raw material is: carboxylate salt-sulfonate-nonionic terpolymer 5%, 2-phosphonic acids butane-1,2,4, tricarboxylic acid 5%, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid 5%, carbon steel corrosion inhibitor 5%, copper inhibitor 0.5%, stainless steel inhibiter 5%, stablizer 5%, all the other are water (69.5%).
Described carbon steel corrosion inhibitor is zinc nitrate.Described copper inhibitor is 1-methylol benzotriazole.Described stainless steel inhibiter is 2-aminoethyl 17 alkenyl imidazolines.Described stablizer is acrylic acid-ethylene base sulfonic acid copolymer.
The preparation of above-mentioned corrosion inhibiting and descaling agent: get above-mentioned raw materials, then normal temperature and pressure stirs half hour, obtains product.
Embodiment 2:
A kind of industrial circulating water corrosion inhibiting and descaling agent, comprises that carboxylate salt-sulfonate-nonionic terpolymer, 2-phosphonic acids butane-1,2,4, tricarboxylic acid, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid, carbon steel corrosion inhibitor, copper inhibitor, stainless steel inhibiter, stablizer and water are prepared from; The shared mass percent of each raw material is: carboxylate salt-sulfonate-nonionic terpolymer 10%, 2-phosphonic acids butane-1,2,4, tricarboxylic acid 10%, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid 10%, carbon steel corrosion inhibitor 10%, copper inhibitor 1%, stainless steel inhibiter 10%, stablizer 10%, all the other are water (39%).
Described carbon steel corrosion inhibitor is zinc sulfate.Described copper inhibitor is dichloro trimethylphenyl triazole.Described stainless steel inhibiter is two 17 alkenyl imidazoline quaternary ammonium salts.Described stablizer is acrylic acid-maleic anhydride copolymer.
The preparation of above-mentioned corrosion inhibiting and descaling agent: get above-mentioned raw materials, then normal temperature and pressure stirs half hour, obtains product.
Embodiment 3:
A kind of industrial circulating water corrosion inhibiting and descaling agent, comprises that carboxylate salt-sulfonate-nonionic terpolymer, 2-phosphonic acids butane-1,2,4, tricarboxylic acid, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid, carbon steel corrosion inhibitor, copper inhibitor, stainless steel inhibiter, stablizer and water are prepared from; The shared mass percent of each raw material is: carboxylate salt-sulfonate-nonionic terpolymer 5%, 2-phosphonic acids butane-1,2,4, tricarboxylic acid 5%, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid 15%, carbon steel corrosion inhibitor 15%, copper inhibitor 5%, stainless steel inhibiter 9%, stablizer 9%, all the other are water.
Described carbon steel corrosion inhibitor is zinc chloride.Described copper inhibitor is methyl benzotriazazole.Described stainless steel inhibiter is 2-propargyl mercaptobenzimidazole.Described stablizer is vinylformic acid-2-acrylamide-2-methylpro panesulfonic acid.
The preparation of above-mentioned corrosion inhibiting and descaling agent: get above-mentioned raw materials, then normal temperature and pressure stirs half hour, obtains product.
Embodiment 4:
A kind of industrial circulating water corrosion inhibiting and descaling agent, comprises that carboxylate salt-sulfonate-nonionic terpolymer, 2-phosphonic acids butane-1,2,4, tricarboxylic acid, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid, carbon steel corrosion inhibitor, copper inhibitor, stainless steel inhibiter, stablizer and water are prepared from; The shared mass percent of each raw material is: carboxylate salt-sulfonate-nonionic terpolymer 15%, 2-phosphonic acids butane-1,2,4, tricarboxylic acid 15%, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid 15%, carbon steel corrosion inhibitor 15%, copper inhibitor 5%, stainless steel inhibiter 15%, stablizer 15%, all the other are water (5%).
Described carbon steel corrosion inhibitor is zinc nitrate.Described copper inhibitor is 1-methylol benzotriazole.Described stainless steel inhibiter is 2-aminoethyl 17 alkenyl imidazolines.Described stablizer is acrylic acid-ethylene base sulfonic acid copolymer.
The preparation of above-mentioned corrosion inhibiting and descaling agent: get above-mentioned raw materials, then normal temperature and pressure stirs half hour, obtains product.
Embodiment 5:
A kind of industrial circulating water corrosion inhibiting and descaling agent, comprises that carboxylate salt-sulfonate-nonionic terpolymer, 2-phosphonic acids butane-1,2,4, tricarboxylic acid, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid, carbon steel corrosion inhibitor, copper inhibitor, stainless steel inhibiter, stablizer and water are prepared from; The shared mass percent of each raw material is: carboxylate salt-sulfonate-nonionic terpolymer 15%, 2-phosphonic acids butane-1,2,4, tricarboxylic acid 15%, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid 15%, carbon steel corrosion inhibitor 5%, copper inhibitor 5%, stainless steel inhibiter 5%, stablizer 5%, all the other are water.
Described carbon steel corrosion inhibitor is the mixture of zinc nitrate and zinc sulfate, and the quality of zinc nitrate and zinc sulfate respectively accounts for 1/2.
Described copper inhibitor is the mixture of 1-methylol benzotriazole and dichloro trimethylphenyl triazole, and the quality of 1-methylol benzotriazole and dichloro trimethylphenyl triazole respectively accounts for 1/2.
Described stainless steel inhibiter is the mixture of 2-aminoethyl 17 alkenyl imidazolines and two 17 alkenyl imidazoline quaternary ammonium salts, and the quality of 2-aminoethyl 17 alkenyl imidazolines and two 17 alkenyl imidazoline quaternary ammonium salts respectively accounts for 1/2.
Described stablizer is the mixture of acrylic acid-ethylene base sulfonic acid copolymer and acrylic acid-maleic anhydride copolymer, and the quality of acrylic acid-ethylene base sulfonic acid copolymer and acrylic acid-maleic anhydride copolymer respectively accounts for 1/2.
The preparation of above-mentioned corrosion inhibiting and descaling agent: get above-mentioned raw materials, then normal temperature and pressure stirs half hour, obtains product.
Embodiment 6:
A kind of industrial circulating water corrosion inhibiting and descaling agent, comprises that carboxylate salt-sulfonate-nonionic terpolymer, 2-phosphonic acids butane-1,2,4, tricarboxylic acid, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid, carbon steel corrosion inhibitor, copper inhibitor, stainless steel inhibiter, stablizer and water are prepared from; The shared mass percent of each raw material is: carboxylate salt-sulfonate-nonionic terpolymer 11%, 2-phosphonic acids butane-1,2,4, tricarboxylic acid 11%, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid 11%, carbon steel corrosion inhibitor 11%, copper inhibitor 3%, stainless steel inhibiter 11%, stablizer 11%, all the other are water.
Described carbon steel corrosion inhibitor is the mixture in zinc nitrate, zinc sulfate and zinc chloride, and the quality in zinc nitrate, zinc sulfate and zinc chloride respectively accounts for 1/3.
Described copper inhibitor is the mixture of 1-methylol benzotriazole, dichloro trimethylphenyl triazole and methyl benzotriazazole, and quality respectively accounts for 1/3.
Described stainless steel inhibiter is the mixture of 2-aminoethyl 17 alkenyl imidazolines, two 17 alkenyl imidazoline quaternary ammonium salts and 2-propargyl mercaptobenzimidazole, and quality respectively accounts for 1/3.
Described stablizer is the mixture of acrylic acid-ethylene base sulfonic acid copolymer, acrylic acid-maleic anhydride copolymer and vinylformic acid-2-acrylamide-2-methylpro panesulfonic acid, and quality respectively accounts for 1/3.
The preparation of above-mentioned corrosion inhibiting and descaling agent: get above-mentioned raw materials, then normal temperature and pressure stirs half hour, obtains product.
The effect test of corrosion inhibiting and descaling agent for industrial circulating water prepared by embodiment 1-6:
1, experiment water quality
This experimental water is certain circulating cooling system scene, fuel-burning power plant make up water of south, and supplementary water quality is analyzed see the following form (table 1) after testing:
Table 1
| Project | Unit | Actual measurement index | Analytical procedure |
| pH | —— | 7.78 | GB/T15893.2-1995 |
| Specific conductivity | μS/cm | 169 | GB/T6908-2005 |
| Ca 2+(in calcium carbonate) | mg/L | 108.5 | GB/T15452-1995 |
| Mg 2+(in calcium carbonate) | mg/L | 16.8 | GB/T15452-1995 |
| Cl - | mg/L | 21.8 | GB/T6905.1-1986 |
| K + | mg/L | 1.67 | GB/T14640-1993 |
| HCO 3 - | mg/L | 89.3 | GB/T15451-1995 |
2, scale inhibition experiment
Scale inhibition experiment adopts hardness of limited carbonate method.The corrosion inhibiting and descaling agent that all adds 10mg/L concentration in experiment water quality in the above-described embodiments, experimental temperature is 45 DEG C, detects respectively real K in experimentation
+and Ca
2+ionic concn, by difference calculating K
+ion cycles of concentration N
k+(ratio that is calculated as same substance content in concentrated substances content and make up water of cycles of concentration) and Ca
2+ion cycles of concentration N
ca2+, as the two cycles of concentration N
k+and N
ca2+difference △ A > 0.2 time, experiment finish.
Table 2
3, corrosion experiment:
3.1 experimental technique
Test according to " the mensuration rotary hanging plate method of GB/T18175-2000 water conditioner corrosion inhibition ".
3.2 test apparatuses and test conditions
(1) test apparatus: RCC-I type rotary hanging plate corrosion test instrument;
(2) test temperature: 45 ± 1 DEG C;
(3) tester speed of rotation: 80 revs/min;
(4) test piece material: HSn-701A copper; A
3carbon steel; 304 stainless steels
(5) test period: 72 hours;
(6) test piece area: 28.0cm
2;
3.3 experimental result
Experimental data is processed according to " the mensuration rotary hanging plate method of GB/T18175-2000 water conditioner corrosion inhibition ", and experimental result is as follows:
Table 3
4, experiment conclusion
Can show by above experimental result, adopt corrosion inhibiting and descaling agent of the present invention, be applicable to high concentration multiple stainless steel, the industrial colling recycle system of carbon steel and copper material, recirculated cooling water cycles of concentration can reach more than 6 times, medicament corrosion and scale inhibition performance can reach " GB50050-2007 Code for design of industrial recirculating cooling water treatment " related request, save and supplement water and reduce water amount of blowdown, and in industrial cooling circulating water, total phosphorous and zinc ion content are all in " GB8978-2002 integrated wastewater discharge standard " within relevant emission limit, ensure the safety and economic operation of industrial cycle cooling system.
Claims (5)
1. an industrial circulating water corrosion inhibiting and descaling agent, is characterized in that comprising that carboxylate salt-sulfonate-nonionic terpolymer, 2-phosphonic acids butane-1,2,4, tricarboxylic acid, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid, carbon steel corrosion inhibitor, copper inhibitor, stainless steel inhibiter, stablizer and water are prepared from; The shared mass percent of each raw material is: carboxylate salt-sulfonate-nonionic terpolymer 5-15%, 2-phosphonic acids butane-1,2,4, tricarboxylic acid 5-15%, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid 5-15%, carbon steel corrosion inhibitor 5-15%, copper inhibitor 0.5-5%, stainless steel inhibiter 5-15%, stablizer 5-15%, all the other are water.
2. a kind of industrial circulating water corrosion inhibiting and descaling agent according to claim 1, is characterized in that: described carbon steel corrosion inhibitor is that one or two or more kinds in zinc nitrate, zinc sulfate, zinc chloride is by the mixture of any proportioning.
3. a kind of industrial circulating water corrosion inhibiting and descaling agent according to claim 1, is characterized in that: described copper inhibitor is that one or two or more kinds in 1-methylol benzotriazole, dichloro trimethylphenyl triazole, methyl benzotriazazole is by the mixture of any proportioning.
4. a kind of industrial circulating water corrosion inhibiting and descaling agent according to claim 1, is characterized in that: described stainless steel inhibiter is that one or two or more kinds in 2-aminoethyl 17 alkenyl imidazolines, two 17 alkenyl imidazoline quaternary ammonium salts, 2-propargyl mercaptobenzimidazole is by the mixture of any proportioning.
5. a kind of industrial circulating water corrosion inhibiting and descaling agent according to claim 1, is characterized in that: described stablizer is that one or two or more kinds in acrylic acid-ethylene base sulfonic acid copolymer, acrylic acid-maleic anhydride copolymer, vinylformic acid-2-acrylamide-2-methylpro panesulfonic acid is by the mixture of any proportioning.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104276678A (en) * | 2014-10-20 | 2015-01-14 | 山东华亚环保科技有限公司 | Corrosion and scale inhibitor for circulating cooling water |
| CN105016494A (en) * | 2015-07-30 | 2015-11-04 | 陈朝民 | Composite water treatment agent |
| CN105060510A (en) * | 2015-07-30 | 2015-11-18 | 陈朝民 | Phosphor-free water treating agent |
| CN105060513A (en) * | 2015-07-30 | 2015-11-18 | 陈朝民 | Green water treatment agent |
| CN105217806A (en) * | 2015-10-13 | 2016-01-06 | 武汉钢铁(集团)公司 | Circulating water corrosion inhibitor and application thereof |
| CN107698041A (en) * | 2017-10-25 | 2018-02-16 | 天津正达科技有限责任公司 | A kind of recirculating cooling water system corrosion inhibiting and descaling agent using desalinization water as moisturizing |
| CN108706748A (en) * | 2018-06-28 | 2018-10-26 | 芜湖市棠华建材科技有限公司 | Industrial circulating cooling water scale inhibition preparation |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1743281A (en) * | 2004-08-31 | 2006-03-08 | 中国石化北京燕化石油化工股份有限公司 | Low-phosphorus antiincrustation corrosion inhibitor and its use |
| 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 |
| EP1673310B1 (en) * | 2003-10-16 | 2009-04-01 | Rhodia UK Limited | Formulation for corrosion and scale inhibition |
| CN101746904A (en) * | 2009-12-29 | 2010-06-23 | 南京工业大学 | Low-phosphorus water treatment composition |
| CN102515372A (en) * | 2011-11-30 | 2012-06-27 | 北京建筑工程学院 | Composite scale inhibitor using recycled water in circulating cooling water system and preparation method of composite scale inhibitor |
| 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 |
| CN102992413A (en) * | 2011-09-15 | 2013-03-27 | 中国石油化工股份有限公司 | Preparation method of water quality stabilizing agent |
| CN103663746A (en) * | 2013-12-11 | 2014-03-26 | 山东华亚环保科技有限公司 | Scale and corrosion inhibitor |
-
2014
- 2014-04-19 CN CN201410164370.9A patent/CN103936176B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1673310B1 (en) * | 2003-10-16 | 2009-04-01 | Rhodia UK Limited | Formulation for corrosion and scale inhibition |
| CN1743281A (en) * | 2004-08-31 | 2006-03-08 | 中国石化北京燕化石油化工股份有限公司 | Low-phosphorus antiincrustation corrosion inhibitor and its use |
| 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 |
| CN102992413A (en) * | 2011-09-15 | 2013-03-27 | 中国石油化工股份有限公司 | Preparation method of water quality stabilizing agent |
| CN102515372A (en) * | 2011-11-30 | 2012-06-27 | 北京建筑工程学院 | Composite scale inhibitor using recycled water in circulating cooling water system and preparation method of composite scale inhibitor |
| 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 |
| CN103663746A (en) * | 2013-12-11 | 2014-03-26 | 山东华亚环保科技有限公司 | Scale and corrosion inhibitor |
Cited By (14)
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|---|---|---|---|---|
| CN104276678A (en) * | 2014-10-20 | 2015-01-14 | 山东华亚环保科技有限公司 | Corrosion and scale inhibitor for circulating cooling water |
| CN105016494A (en) * | 2015-07-30 | 2015-11-04 | 陈朝民 | Composite water treatment agent |
| CN105060510A (en) * | 2015-07-30 | 2015-11-18 | 陈朝民 | Phosphor-free water treating agent |
| CN105060513A (en) * | 2015-07-30 | 2015-11-18 | 陈朝民 | Green water treatment agent |
| CN105217806A (en) * | 2015-10-13 | 2016-01-06 | 武汉钢铁(集团)公司 | Circulating water corrosion inhibitor and application thereof |
| CN107698041A (en) * | 2017-10-25 | 2018-02-16 | 天津正达科技有限责任公司 | A kind of recirculating cooling water system corrosion inhibiting and descaling agent using desalinization water as moisturizing |
| CN108706748A (en) * | 2018-06-28 | 2018-10-26 | 芜湖市棠华建材科技有限公司 | Industrial circulating cooling water scale inhibition preparation |
| CN109110935A (en) * | 2018-09-12 | 2019-01-01 | 广东华欣环保科技有限公司 | A kind of corrosion inhibiting and descaling agent and preparation method thereof for low-hardness low-alkalinity |
| CN110104805A (en) * | 2019-03-25 | 2019-08-09 | 大唐双鸭山热电有限公司 | A method of reducing thermal power plant recirculated cooling water utilization rate |
| CN110004436A (en) * | 2019-04-25 | 2019-07-12 | 东莞东阳光科研发有限公司 | Passivating solution, processed copper foil and the lithium battery packaging film comprising the copper foil |
| CN110004436B (en) * | 2019-04-25 | 2021-03-26 | 东莞东阳光科研发有限公司 | Passivation solution, treated copper foil and lithium battery packaging film containing copper foil |
| CN110184610A (en) * | 2019-07-02 | 2019-08-30 | 李必群 | A kind of seawater circulation water environmental protection carbon steel composite corrosion inhibitor and preparation method thereof |
| CN110184610B (en) * | 2019-07-02 | 2021-08-03 | 李必群 | Seawater circulating water environment-friendly carbon steel composite corrosion inhibitor and preparation method thereof |
| CN114477481A (en) * | 2022-03-17 | 2022-05-13 | 河北省科学院能源研究所 | Degradable scale and corrosion inhibitor for phosphorus-containing reclaimed water and preparation method thereof |
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