CN110301437A - A kind of sterilization synergy remover for circulating water treatment - Google Patents
A kind of sterilization synergy remover for circulating water treatment Download PDFInfo
- Publication number
- CN110301437A CN110301437A CN201910622911.0A CN201910622911A CN110301437A CN 110301437 A CN110301437 A CN 110301437A CN 201910622911 A CN201910622911 A CN 201910622911A CN 110301437 A CN110301437 A CN 110301437A
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- Prior art keywords
- polyoxyethylene ether
- remover
- alkyl phenol
- polyethylene glycol
- circulating water
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Pest Control & Pesticides (AREA)
- Environmental Sciences (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Chemical & Material Sciences (AREA)
- Plant Pathology (AREA)
- Inorganic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Detergent Compositions (AREA)
Abstract
The invention discloses a kind of sterilization synergy removers for circulating water treatment, including following components: sodium bromide 5%~15%, alkyl phenol polyoxyethylene ether 5%~25%, polyethylene glycol 2%~10%, water 50%~80%, big alkyl phenol is the alkyl phenol of 9-12 carbon in the alkyl phenol polyoxyethylene ether, the alkyl phenol polyoxyethylene ether ethylene oxide molal quantity is 3-15, the alkyl phenol polyoxyethylene ether is selected from octyl phenol polyoxyethylene ether, one or more of nonylphenol polyoxyethylene ether and dodecyl polyoxyethylene ether ingredient, the polyethylene glycol theory relative molecular mass is 200-800, the polyethylene glycol is selected from polyethylene glycol 200, polyethylene glycol 400, the one or more of Macrogol 600 and polyethylene glycol-800 ingredient.Present invention is generally directed to a kind of sterilization synergy remover for circulating water treatment, it is capable of the bactericidal effect of effectively synergy chlorine system oxidizing bactericide, penetrates into inside foundry loam, play the role of sludge stripping.
Description
Technical field
The present invention relates to technology of industrial recirculating cooling water treatment field, specially a kind of sterilization for circulating water treatment
Synergy remover.
Background technique
In industrial circulating cooling water system, the factors such as temperature, pH, nutrient source, dissolved oxygen of recirculated cooling water are all micro-
The breeding of biology provides control environment；And with the concentration of recirculated cooling water, the breeding of microorganism can be aggravated.Microorganism
The burn into Stickydeposit etc. that will cause breed, bred endangers, and not only reduces the heat exchange cooling effect of heat exchanger and cooling tower,
The effect of deteriorating water quality, also reducing corrosion inhibiter, antisludging agent and biocide, directly affects production, and bring economic loss.Cause
This, circulating water cooling treatment, which mainly passes through, is added biocide solution recirculated cooling water microorganism problem.
The biocide of circulating water cooling treatment is divided into oxidizing bactericide and non oxidizing bactericide.Wherein oxidisability is killed
Microbial inoculum mainly includes sodium hypochlorite, chlorine dioxide, sodium dichloro cyanurate, sym-closene, chlorine, bromine chloromethane ethyl sea
Cause, dichloro-dimethyl glycolylurea, bromochlorodimethyl hydanton.The effective biocidal ingredient of oxidizing bactericide is hypochlorous acid and hypobromous acid.
Although the bactericidal effect of hypobromous acid is better than hypochlorous acid, since bromine system oxidizing bactericide price is relatively high, application range is remote
Less than chlorine system oxidizing bactericide.
Existing sterilizing synergistic agent main component is sodium bromide, generates time bromine using sodium bromide and hypochlorous acid (sodium) reaction
Acid improves bactericidal effect, which does not permeate the effect of removing foundry loam, can only act on planktonic bacteria, for
The bacterium being hidden in foundry loam does not act on.
For this purpose, proposing a kind of sterilization synergy remover for circulating water treatment.
Summary of the invention
The purpose of the present invention is to provide a kind of sterilization synergy removers for circulating water treatment, can effectively increase
The bactericidal effect of chlorine system oxidizing bactericide is imitated, the use concentration of chlorine system oxidizing bactericide is reduced, and can be penetrated into viscous
Inside mud, play the role of sludge stripping, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of sterilization synergy for circulating water treatment is shelled
From agent, including following components: sodium bromide 5%~15%, alkyl phenol polyoxyethylene ether 5%~25%, polyethylene glycol 2%~
10%, water 50%~80%.
Preferably, in the alkyl phenol polyoxyethylene ether big alkyl phenol be 9-12 carbon alkyl phenol.
Preferably, the alkyl phenol polyoxyethylene ether ethylene oxide molal quantity is 3-15.
Preferably, the alkyl phenol polyoxyethylene ether is selected from octyl phenol polyoxyethylene ether, nonylphenol polyoxyethylene ether and ten
One or more of dialkyl group polyoxyethylene ether ingredient.
Preferably, the polyethylene glycol theory relative molecular mass is 200-800.
Preferably, the polyethylene glycol is selected from polyethylene glycol 200, polyethylene glycol 400, Macrogol 600 and polyethylene glycol
The one or more of 800 ingredients.
Preferably, the PH range of the sterilization synergy remover use environment is 6.0-9.5.
Preferably, the use concentration range of the sterilization synergy remover is 10-100mg/L.
Compared with prior art, the present invention is used by the circulating water cooling treatment that alkyl phenol polyoxyethylene ether is prepared
Sterilization synergy remover, the surfactant and polyethylene glycol contained in use, effectively can soak and permeate
To inside foundry loam, make the microbial exposure being hidden in inside foundry loam in water, penetrate biofilm surface, causes the de- of biomembrane
It falls, separates foundry loam with metal surface, reach release effect, be conducive to biocide and play a role, it being capable of effectively synergy chlorine system
The bactericidal effect of oxidizing bactericide, reduces the use concentration of chlorine system oxidizing bactericide, and can penetrate into foundry loam
Sludge stripping is played the role of in portion.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to guarantor of the present invention
The range of shield.
Embodiment one:
The present invention provides a kind of technical solution: a kind of sterilization synergy remover for circulating water treatment, including with the following group
Point: sodium bromide 10%, alkyl phenol polyoxyethylene ether 10%, polyethylene glycol 200: 5%, water 75%；
Big alkyl phenol is the alkyl phenol of 9-12 carbon in the alkyl phenol polyoxyethylene ether；The alkylphenol-polyethenoxy
Ether ethylene oxide molal quantity is 3-15；The alkyl phenol polyoxyethylene ether is selected from octyl phenol polyoxyethylene ether, polyoxyethylene nonyl phenyl
One or more of vinethene and dodecyl polyoxyethylene ether ingredient；The polyethylene glycol theory relative molecular mass is
200-800；The PH range of the sterilization synergy remover use environment is 6.0-9.5；The use of the sterilization synergy remover
Concentration range is 10-100mg/L.
It is a kind of for circulating water treatment sterilization synergy remover preparation method the following steps are included:
S1: being added sodium bromide into water first, adds water and stirs dissolution；
S2: being then respectively adding NP-10, polyethylene glycol 200, and mixing is sufficiently stirred；
S3: finally obtaining clear transparent solutions, and sterilization synergy remover is made.
Testing water sample total heterotrophic bacteria count is 106Sodium dichloro cyanurate and the remover is added, with plate meter in a/mL
The killing rate of number method measurement heterotroph, as a result see the table below:
Sterilization synergistic effect of the medicament 1 to sodium dichloro cyanurate
As can be seen from the above results, which has significant sterilization synergistic effect to sodium dichloro cyanurate.
Embodiment two:
The present invention provides a kind of technical solution: a kind of sterilization synergy remover for circulating water treatment, including with the following group
Point: sodium bromide 15%, alkyl phenol polyoxyethylene ether 10%, polyethylene glycol 200: 5%, water 70%；
Big alkyl phenol is the alkyl phenol of 9-12 carbon in the alkyl phenol polyoxyethylene ether；The alkylphenol-polyethenoxy
Ether ethylene oxide molal quantity is 3-15；The alkyl phenol polyoxyethylene ether is selected from octyl phenol polyoxyethylene ether, polyoxyethylene nonyl phenyl
One or more of vinethene and dodecyl polyoxyethylene ether ingredient；The polyethylene glycol theory relative molecular mass is
200-800；The PH range of the sterilization synergy remover use environment is 6.0-9.5；The use of the sterilization synergy remover
Concentration range is 10-100mg/L.
It is a kind of for circulating water treatment sterilization synergy remover preparation method the following steps are included:
S1: being added sodium bromide into water first, adds water and stirs dissolution；
S2: being then respectively adding NP-10, polyethylene glycol 200, and mixing is sufficiently stirred；
S3: finally obtaining clear transparent solutions, and sterilization synergy remover is made.
In dynamic simulator system, using sodium dichloro cyanurate, chlorine residue 0.5mg/L is maintained, and carry out using medicament 2
Synergy monitors the turbidity in water body, to evaluate the stripping performance of medicament.System initial haze is 5NTU.
Sterilization synergy peeling effect of the medicament 2 to sodium dichloro cyanurate
As can be seen from the above results, the synergist of case study on implementation 2 has significant sterilization synergy to sodium dichloro cyanurate
Effect.
Embodiment three:
The present invention provides a kind of technical solution: a kind of sterilization synergy remover for circulating water treatment, including with the following group
Point: sodium bromide 15%, alkyl phenol polyoxyethylene ether 15%, polyethylene glycol 200: 5%, water 65%；
Big alkyl phenol is the alkyl phenol of 9-12 carbon in the alkyl phenol polyoxyethylene ether；The alkylphenol-polyethenoxy
Ether ethylene oxide molal quantity is 3-15；The alkyl phenol polyoxyethylene ether is selected from octyl phenol polyoxyethylene ether, polyoxyethylene nonyl phenyl
One or more of vinethene and dodecyl polyoxyethylene ether ingredient；The polyethylene glycol theory relative molecular mass is
200-800；The PH range of the sterilization synergy remover use environment is 6.0-9.5；The use of the sterilization synergy remover
Concentration range is 10-100mg/L.
It is a kind of for circulating water treatment sterilization synergy remover preparation method the following steps are included:
S1: being added sodium bromide into water first, adds water and stirs dissolution；
S2: being then respectively adding NP-10, polyethylene glycol 200, and mixing is sufficiently stirred；
S3: finally obtaining clear transparent solutions, and sterilization synergy remover is made.
In dynamic simulator system, using sodium dichloro cyanurate, chlorine residue 0.5mg/L is maintained, and carry out using medicament 2
Synergy monitors the turbidity in water body, to evaluate the stripping performance of medicament.System initial haze is 5NTU.
Sterilization synergistic results of the medicament 3 to sodium dichloro cyanurate
As can be seen from the above results, due to improving the content of alkyl phenol polyoxyethylene ether, with sodium dichloro cyanurate
Cooperation, peeling effect is stronger, and suitable with higher 1227 peeling effect of concentration.
Comparative example:
The present invention provides a kind of technical solution: a kind of sterilization synergy remover for circulating water treatment, including with the following group
Point: sodium bromide 15%, alkyl phenol polyoxyethylene ether 15%, water 70%；
Big alkyl phenol is the alkyl phenol of 9-12 carbon in the alkyl phenol polyoxyethylene ether；The alkylphenol-polyethenoxy
Ether ethylene oxide molal quantity is 3-15；The alkyl phenol polyoxyethylene ether is selected from octyl phenol polyoxyethylene ether, polyoxyethylene nonyl phenyl
One or more of vinethene and dodecyl polyoxyethylene ether ingredient；The polyethylene glycol theory relative molecular mass is
200-800；The PH range of the sterilization synergy remover use environment is 6.0-9.5；The use of the sterilization synergy remover
Concentration range is 10-100mg/L.
It is a kind of for circulating water treatment sterilization synergy remover preparation method the following steps are included:
S1: being added sodium bromide into water first, adds water and stirs dissolution；
S2: being then respectively adding NP-10, polyethylene glycol 200, and mixing is sufficiently stirred；
S3: finally obtaining clear transparent solutions, and sterilization synergy remover is made.
In dynamic simulator system, using sodium dichloro cyanurate, chlorine residue 0.5mg/L is maintained, and carry out using medicament 2
Synergy monitors the turbidity in water body, to evaluate the stripping performance of medicament.System initial haze is 5NTU.
Sterilization synergistic results of the medicament 4 to sodium dichloro cyanurate
As can be seen from the above results, due to not having addition polyethylene glycol 200, sludge stripping effect reduces medicament 4.
Present invention is generally directed to a kind of sterilization synergy removers for circulating water treatment, by above-mentioned four groups of embodiments
Comparison contained by the sterilization synergy remover for the circulating water cooling treatment that alkyl phenol polyoxyethylene ether is prepared
Surfactant and polyethylene glycol in use, can be soaked effectively and be penetrated into inside foundry loam, make to be hidden in foundry loam
Internal microbial exposure in water, penetrates biofilm surface, causes falling off for biomembrane, separate foundry loam with metal surface,
Reach release effect, be conducive to biocide and play a role, is capable of the bactericidal effect of effectively synergy chlorine system oxidizing bactericide,
The use concentration of chlorine system oxidizing bactericide is reduced, and can be penetrated into inside foundry loam, sludge stripping is played the role of.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of sterilization synergy remover for circulating water treatment, which is characterized in that including following components: sodium bromide 5%~
15%, alkyl phenol polyoxyethylene ether 5%~25%, polyethylene glycol 2%~10%, water 50%~80%.
2. a kind of sterilization synergy remover for circulating water treatment according to claim 1, it is characterised in that: the alkyl phenol
Big alkyl phenol is the alkyl phenol of 9-12 carbon in polyoxyethylene ether.
3. a kind of sterilization synergy remover for circulating water treatment according to claim 1, it is characterised in that: the alkyl phenol
Polyoxyethylene ether ethylene oxide molal quantity is 3-15.
4. a kind of sterilization synergy remover for circulating water treatment according to claim 1, it is characterised in that: the alkyl phenol
Polyoxyethylene ether in octyl phenol polyoxyethylene ether, nonylphenol polyoxyethylene ether and dodecyl polyoxyethylene ether ingredient one
Kind is several.
5. a kind of sterilization synergy remover for circulating water treatment according to claim 1, it is characterised in that: the poly- second two
Alcohol theory relative molecular mass is 200-800.
6. a kind of sterilization synergy remover for circulating water treatment according to claim 1, it is characterised in that: the poly- second two
Alcohol is selected from polyethylene glycol 200, polyethylene glycol 400, the one or more of Macrogol 600 and polyethylene glycol-800 ingredient.
7. a kind of sterilization synergy remover for circulating water treatment according to claim 1, it is characterised in that: the sterilization increases
The PH range for imitating remover use environment is 6.0-9.5.
8. a kind of sterilization synergy remover for circulating water treatment according to claim 1, it is characterised in that: the sterilization increases
The use concentration range for imitating remover is 10-100mg/L.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910622911.0A CN110301437A (en) | 2019-07-11 | 2019-07-11 | A kind of sterilization synergy remover for circulating water treatment |
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| CN201910622911.0A CN110301437A (en) | 2019-07-11 | 2019-07-11 | A kind of sterilization synergy remover for circulating water treatment |
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| CN110301437A true CN110301437A (en) | 2019-10-08 |
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| CN201910622911.0A Pending CN110301437A (en) | 2019-07-11 | 2019-07-11 | A kind of sterilization synergy remover for circulating water treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980897A (en) * | 2019-12-24 | 2020-04-10 | 广州市粤新工程技术有限公司 | Environment-friendly sterilizing algicide for cooling system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1430894A (en) * | 2002-01-11 | 2003-07-23 | 中国石油天然气集团公司 | Biocide agent coutaining bromine named as powered bromine chlorin |
| US20050268946A1 (en) * | 2004-02-05 | 2005-12-08 | Miles Samuel L | Method to strip urethane coatings from automative plastic substrates |
| CN102187872A (en) * | 2011-03-18 | 2011-09-21 | 中国海洋石油总公司 | Preparation method of sticky mud inhibitor for water treatment |
| CN103771593A (en) * | 2012-10-23 | 2014-05-07 | 中国石油化工股份有限公司 | Remover for removing biological slime in recirculated cooling water and method for removing biological slime in recirculated cooling water system |
| CN104068028A (en) * | 2014-06-25 | 2014-10-01 | 国家海洋局天津海水淡化与综合利用研究所 | Composite bacteria and algae inhibitor and application thereof |
| CN105331448A (en) * | 2014-06-25 | 2016-02-17 | 中国石油化工股份有限公司 | Stripping cleaning agent composition and usage method thereof |
| CN108822996A (en) * | 2018-06-07 | 2018-11-16 | 张福新 | The efficient adhesive mud remover of SQ-924 |
-
2019
- 2019-07-11 CN CN201910622911.0A patent/CN110301437A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1430894A (en) * | 2002-01-11 | 2003-07-23 | 中国石油天然气集团公司 | Biocide agent coutaining bromine named as powered bromine chlorin |
| US20050268946A1 (en) * | 2004-02-05 | 2005-12-08 | Miles Samuel L | Method to strip urethane coatings from automative plastic substrates |
| CN102187872A (en) * | 2011-03-18 | 2011-09-21 | 中国海洋石油总公司 | Preparation method of sticky mud inhibitor for water treatment |
| CN103771593A (en) * | 2012-10-23 | 2014-05-07 | 中国石油化工股份有限公司 | Remover for removing biological slime in recirculated cooling water and method for removing biological slime in recirculated cooling water system |
| CN104068028A (en) * | 2014-06-25 | 2014-10-01 | 国家海洋局天津海水淡化与综合利用研究所 | Composite bacteria and algae inhibitor and application thereof |
| CN105331448A (en) * | 2014-06-25 | 2016-02-17 | 中国石油化工股份有限公司 | Stripping cleaning agent composition and usage method thereof |
| CN108822996A (en) * | 2018-06-07 | 2018-11-16 | 张福新 | The efficient adhesive mud remover of SQ-924 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980897A (en) * | 2019-12-24 | 2020-04-10 | 广州市粤新工程技术有限公司 | Environment-friendly sterilizing algicide for cooling system |
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