CN107381843A - A kind of composite water disposal agent and preparation method for being adapted to high chlorine reusing sewage - Google Patents
A kind of composite water disposal agent and preparation method for being adapted to high chlorine reusing sewage Download PDFInfo
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- CN107381843A CN107381843A CN201710700022.2A CN201710700022A CN107381843A CN 107381843 A CN107381843 A CN 107381843A CN 201710700022 A CN201710700022 A CN 201710700022A CN 107381843 A CN107381843 A CN 107381843A
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- Prior art keywords
- reusing sewage
- water
- high chlorine
- disposal agent
- pressure
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Classifications
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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
- 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
- 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
- C02F5/105—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 combined with inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention provides a kind of composite water disposal agent for being adapted to high chlorine reusing sewage, its constituent and weight proportion are：2 HPAAs 15% 25%, carboxyethyl thiosuccinic acid 6% 21%, sodium borate decahydrate 1% 8%, sodium hydrogensulfite 18% 30%, potassium pyrophosphate 1% 10%, remaining be deionized water.Under the condition of water quality using reusing sewage, the medicament, which has, is applicable high chloride ion, and dispersion effect is excellent; pipeline is obvious without deposition, oil rub resistance, the deposition film protection carbon steel of formation, the effect of stainless rigidity; it is low to add dosage, is advantageous to environmental protection, the features such as scale-inhibiting properties are excellent.
Description
Technical field
The present invention relates to water-treatment technology field, more particularly to a kind of composite water disposal agent for being adapted to high chlorine reusing sewage and
Preparation method.
Background technology
Recirculating cooling water system is generally industrially used, to improve the recycling rate of waterused of industry water, can be followed by improving
Ring water cycles of concentration and reusing sewage supplement water to realize as circulation, can be industrial circulating water by reusing sewage
System saves new water more than 90%.Reusing sewage refers to that sewage is acted upon being back to the place available for recycled water after regenerating
Go, be used so as to which sewage is turned into water resource.Reusing sewage is compared with supplementing new water, and condition of water quality is relatively poor, wherein
Suspension, oil content, calcium hardness, chlorion etc. are of a relatively high, in order to suppress fouling and control corrosion rate, generally conventional organophosphor
Corrosion inhibiting and descaling agent dosage generally requires to double to add.
The water quality that reusing sewage is brought, which changes, can cause circulation to be more easy to fouling, the stainless steel pipe lost of life, manage
The problems such as road corrosion and harms of microbe, the serious problems such as the decline of heat exchange equipment efficiency, blocking, corrosion failure are caused, it is conventional
Organophosphor scale inhibitor need original dosage improving 2-3 times to suppress corrosion and scaling, but exist for chlorion
During 1000mg/L-2000mg/L, chlorion can result in spot corrosion for carbon steel and stainless steel pipes, and pipeline can be corroded through when serious
Hole.Conventional organophosphor scale inhibitor is also difficult to meet even if concentration is improved, and this water treatment agent to recirculated water proposes more
High requirement, to be adapted to the condition of water quality of reusing sewage, there is high rust inhibition and scale inhibition performance, and be applicable chlorion in 1000mg/
L-2000mg/L。
The content of the invention
The purpose of the present invention is that a kind of compound water process for being adapted to high chlorine reusing sewage is provided the shortcomings that overcoming prior art
Agent and preparation method, under the condition of water quality using reusing sewage, the medicament, which has, is applicable high chloride ion, and dispersion effect is excellent,
Pipeline is without deposition, oil rub resistance, and the deposition film protection carbon steel of formation, the effect of stainless rigidity are obvious, and it is low to add dosage, is advantageous to ring
Protect, the features such as scale-inhibiting properties are excellent.
To achieve the above object, the present invention is realized using following technical scheme：
A kind of composite water disposal agent for being adapted to high chlorine reusing sewage, its constituent and weight proportion are：2- hydroxy phosphinylidynes
Guanidine-acetic acid 15%-25%, carboxyethyl thiosuccinic acid 6%-21%, sodium borate decahydrate 1%-8%, sodium hydrogensulfite
18%-30%, potassium pyrophosphate 1%-10%, remaining be deionized water.
A kind of composite water disposal agent for being adapted to high chlorine reusing sewage, its constituent and weight proportion are preferably：2- hydroxyls
Phosphine acyl acetic acid 18%-22%, carboxyethyl thiosuccinic acid 10%-18%, sodium borate decahydrate 3%-6%, bisulfite
Sodium 22%-28%, potassium pyrophosphate 3%-8%, remaining be deionized water.
A kind of preparation method of the composite water disposal agent of suitable high chlorine reusing sewage, specific method are as follows：
1) sodium borate decahydrate, sodium hydrogensulfite and potassium pyrophosphate are added in pressure-bearing type reactor A first, unlatching is stirred
Mix, be heated to 210 DEG C -350 DEG C, persistently stir 1-3 hours, it is mutually merged crystallization；
2) deionized water is injected in another pressure-bearing type reactor B, heating stirring is opened, temperature is reached 90 DEG C -110
DEG C, now saturated vapor pressure is 70KPa-143KPa, makes deionized water whole steam；
3) at this moment when temperature is down to 100 DEG C -130 DEG C in pressure-bearing type reactor A, vaporization is gone all to lead to from water vapour
Enter in pressure-bearing type reactor A, unlatching is stirred, then 2- HPAAs and carboxyethyl thiosuccinic acid are implanted sequentially
In pressure-bearing type reactor A, continue mixing time and be not less than 90min；
4) after observing the limpid free from admixture of solution, it is 2-4 to survey its pH value, and fusion is completed, and 1-2 hours are incubated after mixing, then cold
But to obtaining a kind of composite water disposal agent for being adapted to high chlorine reusing sewage after room temperature.
Compared with prior art, the beneficial effects of the invention are as follows：
1) it is applied to the circulating water quality condition of reusing sewage, it is excellent to stainless steel and carbon steel corrosion inhibition.
2) for water treatment agent of the present invention for chlorion in 1000mg/L-2000mg/L, stainless steel corrosion mitigating effect is notable, remote small
In 0.005mm/a, meet Code for design of industrial recirculating cooling water treatment (GB 50050--2007) requirement.
3) water treatment agent dispersion effect of the invention is excellent, and pipeline is without deposition, and oil rub resistance absorption loss is small, and scale-inhibiting properties are excellent
It is different.
4) water treatment agent cost of the invention is low, and beneficial to environmental protection, dosage is only 30mg/L-40mg/L, passes through the present invention
The medicament drug effect performance prepared of method it is stable, effective life length.
5) water treatment agent of the invention has a good concertedness, and compatibility is good between medicament, has excellent corrosion-mitigation scale-inhibition
Performance.
Embodiment
The present invention is described in detail below, it should be noted that the implementation of the present invention is not limited to following embodiment party
Formula.
A kind of composite water disposal agent for being adapted to high chlorine reusing sewage, its constituent and weight proportion are：2- hydroxy phosphinylidynes
Guanidine-acetic acid 15%-25%, carboxyethyl thiosuccinic acid 6%-21%, sodium borate decahydrate 1%-8%, sodium hydrogensulfite
18%-30%, potassium pyrophosphate 1%-10%, remaining be deionized water.
A kind of composite water disposal agent for being adapted to high chlorine reusing sewage, its constituent and weight proportion are preferably：2- hydroxyls
Phosphine acyl acetic acid 18%-22%, carboxyethyl thiosuccinic acid 10%-18%, sodium borate decahydrate 3%-6%, bisulfite
Sodium 22%-28%, potassium pyrophosphate 3%-8%, remaining be deionized water.
2- HPAAs (HPAA) have that chemical stability is good, not facile hydrolysis, the advantages that nontoxic pollution-free, to height
Hardness water has good corrosion mitigating effect, and film forming is stable, and it can be used in combination with multiple water treatment agent, has what is protruded very much
Synergy.
Carboxyethyl thiosuccinic acid (CETSA) has a variety of superiority such as Biodegradable, emulsifying dispersivity, sequestering
Can, the deposit effect for removing carbon steel and stainless steel pipes and heat exchanger is preferable, can effectively suppress underdeposit corrosion
Occur, be a kind of antisludging agent of excellent performance.
Sodium hydrogensulfite category low toxicity compounds, it possesses the double action of deoxygenation and dechlorination.
Compounding use of the sodium borate decahydrate in composite water disposal agent can play a part of Synergistic.
Potassium pyrophosphate is for the Ca in hard water2+、Mg2+There is stronger complexing power, and form more soft dirty body, remove
Fouling performance is excellent.
A kind of preparation method of the composite water disposal agent of suitable high chlorine reusing sewage, specific method are as follows：
1) sodium borate decahydrate, sodium hydrogensulfite and potassium pyrophosphate are added in pressure-bearing type reactor A first, unlatching is stirred
Mix, be heated to 210 DEG C -350 DEG C, persistently stir 1-3 hours, it is mutually merged crystallization；
2) deionized water is injected in another pressure-bearing type reactor B, heating stirring is opened, temperature is reached 90 DEG C -110
DEG C, now saturated vapor pressure is 70KPa-143KPa, makes deionized water whole steam；
3) at this moment when temperature is down to 100 DEG C -130 DEG C in pressure-bearing type reactor A, vaporization is gone all to lead to from water vapour
Enter in pressure-bearing type reactor A, unlatching is stirred, then 2- HPAAs and carboxyethyl thiosuccinic acid are implanted sequentially
In pressure-bearing type reactor A, continue mixing time and be not less than 90min；
4) after observing the limpid free from admixture of solution, it is 2-4 to survey its pH value, and fusion is completed, and 1-2 hours are incubated after mixing, then cold
But to obtaining a kind of composite water disposal agent for being adapted to high chlorine reusing sewage after room temperature.
The present invention is adapted to the application method of the composite water disposal agent of high chlorine reusing sewage as follows：
1. the first composite water disposal agent using the high chlorine reusing sewage of the present invention needs to add according to 40mg/L, to make use
Best results are, it is necessary to continuously add 7 day time.
2. detection total phosphorus in circulating water maintained 4mg/L-5mg/L in continuous 7 days, dosage is at this moment down to 30mg/L,
And continuously add and can play a part of protecting carbon steel and stainless steel well.
Composite water disposal agent prepared by the present invention can be used for the fields such as chemical industry, metallurgy, oil and the electric power of reusing sewage to follow
Ring cooling water system.
Feature of the present invention is further illustrated below by embodiment.
Embodiment 1：
Table 1：Generate electricity net environmental pollution Water circulation circulation water quality
Under the condition of water quality of table 1, use《The measure of water treatment agent corrosion and scale inhibition performance -- rotary hanging plate method》(GB/T
Rotary hanging plate corrosion experiment 18175-2000) is carried out, is added per group of formula by mass concentration 40mg/L, empirically temperature 45 C,
Experimental period 72 hours, experiment material are stainless steel, carbon steel.Scale inhibition performance according to《The measure of water treatment agent scale-inhibiting properties -- carbonic acid
Doped calcium method》(GB-T 16632-2008) standard performs measure.Composite water disposal agent formula is：2- HPAAs：
22%th, carboxyethyl thiosuccinic acid：12%th, sodium borate decahydrate：8%th, sodium hydrogensulfite：26%th, potassium pyrophosphate：3%th, its
Remaining is deionized water.Its stainless steel lacing film corrosion rate 0.0021mm/a, carbon steel lacing film corrosion rate 0.0187mm/a, calcium carbonate
Scale inhibition performance is 95%.
Embodiment 2：
Table 2：Make steel net environmental pollution Water circulation circulation water quality
Under the condition of water quality of table 2, use《The measure of water treatment agent corrosion and scale inhibition performance -- rotary hanging plate method》(GB/T
Rotary hanging plate corrosion experiment 18175-2000) is carried out, is added per group of formula by mass concentration 40mg/L, empirically temperature 45 C,
Experimental period 72 hours, experiment material are stainless steel, carbon steel.Scale inhibition performance according to《The measure of water treatment agent scale-inhibiting properties -- carbonic acid
Doped calcium method》(GB-T 16632-2008) standard performs measure.Composite water disposal agent formula is：2- HPAAs：
22%th, carboxyethyl thiosuccinic acid：18%th, sodium borate decahydrate：5%th, sodium hydrogensulfite：22%th, potassium pyrophosphate：8%th, its
Remaining is deionized water.Its stainless steel lacing film corrosion rate 0.0019mm/a, carbon steel lacing film corrosion rate 0.0211mm/a, calcium carbonate
Scale inhibition performance is 96%.
Embodiment 3：
Table 3：The net environmental pollution Water circulation circulation water quality of blast furnace
Under the condition of water quality of table 3, use《The measure of water treatment agent corrosion and scale inhibition performance -- rotary hanging plate method》(GB/T
Rotary hanging plate corrosion experiment 18175-2000) is carried out, is added per group of formula by mass concentration 40mg/l, empirically temperature 45 C,
Experimental period 72 hours, experiment material are stainless steel, carbon steel.Scale inhibition performance according to《The measure of water treatment agent scale-inhibiting properties -- carbonic acid
Doped calcium method》(GB-T 16632-2008) standard performs measure.Composite water disposal agent formula is：2- HPAAs：
25%th, carboxyethyl thiosuccinic acid：15%th, sodium borate decahydrate：5%th, sodium hydrogensulfite：28%th, potassium pyrophosphate：3%th, its
Remaining is deionized water.Its stainless steel lacing film corrosion rate 0.0038mm/a, carbon steel lacing film corrosion rate 0.0597mm/a, calcium carbonate
Scale inhibition performance is 92%.
Embodiment 4：
Commerical test is carried out in certain steel mill's steel-smelting sewerage reuse circulation, and condition of water quality is shown in Table 4.
Table 4：Certain steel mill's steel-smelting sewerage reuse circulation water quality
Under the condition of water quality of table 4, composite water disposal agent formula is：2- HPAAs：18%th, carboxyethyl is thio
Succinic acid：20%th, sodium borate decahydrate：3%th, sodium hydrogensulfite：24%th, potassium pyrophosphate：10%th, remaining is deionized water.
Added by mass concentration 40mg/l, after continuously adding 7 days, dosage is down to 30mg/L, test period 1 month, test piece suspension
Stainless steel and carbon steel.Result of the test is：Stainless steel lacing film corrosion rate 0.0035mm/a, carbon steel lacing film corrosion rate
0.0431mm/a, repair apparatus stainless steel and carbon steel part surface smooth clean, have no dirt deposits, meet industrial cycle cooling
The requirement of water process design specification (GB 50050--2007), meets production requirement.
Claims (3)
1. a kind of composite water disposal agent for being adapted to high chlorine reusing sewage, it is characterised in that its constituent and weight proportion are：2-
HPAA 15%-25%, carboxyethyl thiosuccinic acid 6%-21%, sodium borate decahydrate 1%-8%, sulfurous acid
Hydrogen sodium 18%-30%, potassium pyrophosphate 1%-10%, remaining be deionized water.
2. a kind of composite water disposal agent for being adapted to high chlorine reusing sewage according to claim 1, it is characterised in that it is formed
Composition and weight proportion are：2- HPAAs 18%-22%, carboxyethyl thiosuccinic acid 10%-18%, ten hydrations four
Boratex 3%-6%, sodium hydrogensulfite 22%-28%, potassium pyrophosphate 3%-8%, remaining be deionized water.
3. a kind of preparation method of the composite water disposal agent of high chlorine reusing sewage suitable as claimed in claim 1, its feature exist
In specific method is as follows：
1) sodium borate decahydrate, sodium hydrogensulfite and potassium pyrophosphate are added in pressure-bearing type reactor A first, open stirring,
210 DEG C -350 DEG C are heated to, 1-3 hours is persistently stirred, it is mutually merged crystallization；
2) deionized water is injected in another pressure-bearing type reactor B, heating stirring is opened, temperature is reached 90 DEG C -110 DEG C,
Now saturated vapor pressure is 70KPa-143KPa, makes deionized water whole steam；
3) at this moment when temperature is down to 100 DEG C -130 DEG C in pressure-bearing type reactor A, going vaporization to be all passed through from water vapour and hold
In pressure type reactor A, unlatching is stirred, then 2- HPAAs and carboxyethyl thiosuccinic acid are implanted sequentially into pressure-bearing
In formula reactor A, continue mixing time and be not less than 90min；
4) after observing the limpid free from admixture of solution, it is 2-4 to survey its pH value, and fusion is completed, and is incubated 1-2 hours after mixing, is cooled to
A kind of composite water disposal agent for being adapted to high chlorine reusing sewage is obtained after room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710700022.2A CN107381843B (en) | 2017-08-16 | 2017-08-16 | Composite water treatment agent suitable for recycling high-chlorine sewage and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710700022.2A CN107381843B (en) | 2017-08-16 | 2017-08-16 | Composite water treatment agent suitable for recycling high-chlorine sewage and preparation method thereof |
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| CN107381843A true CN107381843A (en) | 2017-11-24 |
| CN107381843B CN107381843B (en) | 2020-09-25 |
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Citations (4)
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|---|---|---|---|---|
| CN1176229A (en) * | 1996-09-09 | 1998-03-18 | 中国石油化工总公司 | Compound corrosion-inhibiting antisludging agent used in treating circular cooling water |
| JP2012031448A (en) * | 2010-07-29 | 2012-02-16 | Japan Organo Co Ltd | Water-based metal anticorrosive agent and method for inhibiting corrosion of metal in water system |
| CN102452725A (en) * | 2010-10-20 | 2012-05-16 | 中国石油化工股份有限公司 | Composite scale and corrosion inhibitor and its application |
| CN105645611A (en) * | 2016-02-03 | 2016-06-08 | 青岛科润生物科技有限公司 | Multifunctional industrial water disposal agent and preparing method thereof |
-
2017
- 2017-08-16 CN CN201710700022.2A patent/CN107381843B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176229A (en) * | 1996-09-09 | 1998-03-18 | 中国石油化工总公司 | Compound corrosion-inhibiting antisludging agent used in treating circular cooling water |
| JP2012031448A (en) * | 2010-07-29 | 2012-02-16 | Japan Organo Co Ltd | Water-based metal anticorrosive agent and method for inhibiting corrosion of metal in water system |
| CN102452725A (en) * | 2010-10-20 | 2012-05-16 | 中国石油化工股份有限公司 | Composite scale and corrosion inhibitor and its application |
| CN105645611A (en) * | 2016-02-03 | 2016-06-08 | 青岛科润生物科技有限公司 | Multifunctional industrial water disposal agent and preparing method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 刘克杰: "羟乙基硫代丁二酸的合成及其为主螯合剂的新型除垢剂的研究", 《中国优秀硕士学位论文全文数据库工程科技I辑》 * |
| 化学工业出版社: "《中国化工产品大全 第三版下卷》", 31 January 2005, 化学工业出版社 * |
| 黄可龙: "《精细化学品技术手册》", 30 June 1994, 中南工业大学出版社 * |
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Address after: 114002 No.14, Hengye street, dadawan Industrial Zone, Tiexi District, Anshan City, Liaoning Province Patentee after: Angang Litian (Anshan) water treatment Co.,Ltd. Address before: 114002 No.14, Hengye street, dadawan Industrial Zone, Tiexi District, Anshan City, Liaoning Province Patentee before: ANGANG BK GIULINI WATER TREATMENT Co.,Ltd. |
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