CN103734189A - Active bromine liquid oxidizability germicidal algicide and preparation method thereof - Google Patents
Active bromine liquid oxidizability germicidal algicide and preparation method thereof Download PDFInfo
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- CN103734189A CN103734189A CN201310539955.XA CN201310539955A CN103734189A CN 103734189 A CN103734189 A CN 103734189A CN 201310539955 A CN201310539955 A CN 201310539955A CN 103734189 A CN103734189 A CN 103734189A
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Abstract
The invention provides an active bromine liquid oxidizability germicidal algicide and a preparation method thereof. The germicidal algicide comprises the raw materials in parts by weight: 15-25 parts of a solid bromine salt, 8-14 parts of hypochlorite, 1-5 parts of an amino compound, and 17-23 parts of sodium hydroxide. The synthesis method comprises the steps: placing the solid bromine salt in an enamel reaction still with a stirring function, under a condition of the temperature of less than 5 DEG C, at the same time, dropwise adding hypochlorite and the amino compound with the dropwise adding time of 5-6 h, and controlling a reaction temperature of less than 10 DEG C; after finishing dropwise adding, carrying out heat preservation for 1 h, under the temperature of less than 40 DEG C, dropwise adding sodium hydroxide for 1 h, adjusting the pH value to 10+/-0.5, and thus obtaining the yellow liquid active bromine oxidizability germicidal agent with an aromatic odor. A germicidal and algae removal operation comprises the steps: carrying out timing addition by a metering pump with the agent adding concentration of 10-20 mg/L and the agent adding time of 24 h, and adding for one time every other 8 h.
Description
Technical field
The present invention relates to industrial Biocidal algae-killing agent, especially for application and the disposal of industrial water system cycle water.
Background technology
Aspect industrial bactericide, oxidizing bactericide is to be applied to the earliest industrial water system, so far surpassed half a century, efficient, inexpensive due to oxidizing bactericide, so far still dominate industrial water system and processing the control of sterilization, conventional oxidizing bactericide has chloro bactericide, bromo bactericide and chlorine dioxide etc., and using is chloro bactericide comparatively widely.
For the chlorine class oxidative bactericide of circulating water treatment, due to the conditionality of environmental factor to the restriction of chlorine and alkaline water processing, have following deficiency at present, (1) germicidal efficiency under high pH alkali condition reduces; (2) easily consumed in a large number in by the system of leakage pollution having containing the environment of ammonia or other, bactericidal effect is very undesirable; (3) discharge water containing chlorine or chloramines compounds cause environmental pollution; (4) excessive chlorion is also the factor of aggravation circulation corrosion.And the sterilization mechanism of bromine series bactericidal agent is similar to chlorine class, but bactericidal effect is quick, and the aspects such as application conditions and Environmental Factors are all better than chlorine series bactericidal agent, is the favorable substitutes of chlorine series bactericidal agent.Bromine series bactericidal agent market share amount has surpassed the leading products that chloro bactericide becomes bactericide, and with annual 10% speed balanced growth.Brominated sterilization idiocratic has determined that it is applicable to the circulating water treatment of oil refining industry and chemical industry, especially at the synthesis ammonia plant recirculating cooling water system that adopts basic treatment scheme.
Searching document discloses: Chinese patent 200910304806 < < bromine-containing disinfecting agent > >, a kind of bromine-containing disinfecting agent that utilizes solid bromine or dibromo dimethyl hydantoin, anhydrous sodium sulfate, sodium dodecylbenzenesulfonate, alkaline agent, Ammonia activator, EDTA to be all combined into is the brominated bactericide product of solid.In Chinese patent 201210252963, reported, a kind of preparation method of take the liquid stabilising bromine bactericide that simple substance bromine is bromine source, comprising: 1. ready reaction liquid; 2. bromination reaction; 3. oxidation reaction; 4. four steps of neutralization reaction, prepared stable bromine bactericide has higher physical stability, suitable long-term storage.Also have higher chemical stability, be the brominated series bactericidal agent of liquid simultaneously.
The active bromine liquid oxygen voltinism Biocidal algae-killing agent that the present invention produces, breakthrough product as bromine series bactericidal agent, overcome on market existing chloride oxidizing bactericide completely in the deficiency of the aspects such as bactericidal property, product stability, safety in utilization, operation convenience, can replace chlorine completely, hypochlorite is waited until conventional oxidizing bactericide, has wide market sale prospect.
Summary of the invention
The object of the invention is to: the active bromine liquid oxygen voltinism Biocidal algae-killing agent that a kind of good cost performance is provided, fluid product provides maximum convenience for adding, measuring, for field condition, can realize continuously, be interrupted and impact the different dosing methods of dosing, the safety that improves feeding operations.
The object of the present invention is achieved like this: a kind of active bromine liquid oxygen voltinism Biocidal algae-killing agent and preparation method thereof, with parts by weight preparation raw material, implement step by step:
Raw material: formed by solid bromine salt 15-25 part, hypochlorite 8-14 part, amino compound 1-5 part, sodium hydroxide 17-23 part;
Synthetic: solid bromine salt is placed in to the enamel reaction still that adds stirring, under normal pressure, 5 ℃ of conditions of temperature <, drips hypochlorite and amino compound simultaneously, time for adding 5-6h, reaction temperature is controlled at 10 ℃ of <; Dropping finishes rear insulation 1h, under 40 ℃ of conditions of temperature <, drips sodium hydroxide, and time 1h, regulates pH value 10 ± 0.5, obtains the yellow liquid active bromine oxidizing bactericide of aromatic odor.
The technology of the present invention principle and effect: the active bromine liquid oxygen voltinism Biocidal algae-killing agent of structure is a kind of brominated stable compound of novel structure, in water, can discharge HOBr and HOCL, HOBr and HOCL can play metabolic enzyme in oxidizing microorganisms body, thereby reach the object of killing microorganisms, because HOBr is different with HOCL rate of release in water, the HOCL of rear release can make the Br ion in water again be oxidized to HOBr, has further strengthened bactericidal action.
Active bromine liquid oxygen voltinism Biocidal algae-killing agent of the present invention has following characteristics: 1) product non-volatility, have no irritating odor, it is a kind of stable bromine-containing compound, use storage safe, for field condition, can realize continuously, be interrupted and impact the different dosing methods of dosing.2) good environmental-protecting performance, LD50 > 5000kg/mg, the nontoxic level in the true border of product, is easy to degraded, and the catabolite of bromine series bactericidal agent is bromine salt, without emission limit set, little to environmental influence.3) efficient bactericidal property, is applicable to high pH water body, and its bactericidal activity is the more than 5 times of hypochlorite; low concentration just has good bactericidal effect; in alkaline cooling water system is processed, effect is better than chlorine series bactericidal agent, has sterilization speed fast, and 4min can make bacterium lethal dose reach 4 orders of magnitude; Bromine series bactericidal agent is applicable to pH value within the scope of 7-9, and in pH=8.3 alkaline aqueous environment, bromine analogous chlorine class corrosiveness reduces 2-4 doubly.This agent can be used as disinfectant, bactericide, algicide, adhesive mud remover and is applied to, in industrial circulating water system, sewage disposal system, oil field flood pattern, show technological progress.
Embodiment
Below in conjunction with embodiment, invention is described further.
Embodiment 1
Prepare active bromine liquid oxygen voltinism Biocidal algae-killing agent:
1 group of raw material: formed by 17 parts of 15 parts of solid bromine salt, 8 parts of hypochlorites, 1 part of amino compound, sodium hydroxide;
2 groups of raw materials: formed by 23 parts of 25 parts of solid bromine salt, 14 parts of hypochlorites, 5 parts of amino compounds, sodium hydroxide;
3 groups of raw materials: formed by 20 parts of 20 parts of solid bromine salt, 10 parts of hypochlorites, 3 parts of amino compounds, sodium hydroxide;
Optional 1 or 2 or 3 are combined into: solid bromine salt is placed in to the enamel reaction still that adds stirring, under normal pressure, 5 ℃ of conditions of temperature <, drip hypochlorite and amino compound simultaneously, time for adding 5h, reaction temperature is controlled at 10 ℃ of <; Dropping finishes rear insulation 1h, under 40 ℃ of conditions of temperature <, drips sodium hydroxide, and time 1h, regulates pH value 10 ± 0.5, obtains the yellow liquid active bromine oxidizing bactericide of aromatic odor;
Sterilization algae removal operation: adopt measuring pump regularly to add, add drug concentration 10-20mg/L, administration timing of drug 24h, adds once every 8h.
The effective content of this finished product is with count >=6%, 1% pH value of water solution 10-12 of bromine.
The solid bromine salt that this method is selected, hypochlorite, amino compound respectively in the four seas, effluent south Chemical Co., Ltd., Xinjiang safe chemistry, Yanggu dragon's fountain chemical plant, Shandong Province provide.
Embodiment 2
(1) industrial sterilization experiment
Medicine machine is in Table 1.
Table 1
| Device name | Specification | Quantity | Manufacturer |
| Grug feeding jar | Material: PE, 5m 3 | 1 | Cixi City Hua Shun container factory |
| Magnetic flap level gauge | Stainless steel lining plastic | 1 | The south of the River, Changzhou instrucment and meter plant |
| Measuring pump | GM170, PVDF pump head | 2 | Meter Dun Luo |
| Controller | ? | 1 | Domestic |
1 group of experiment water quality index is in Table 2.
Table 2
| pH | 8.67 |
| Electrical conductivity | 2670μs/cm |
| Turbidity | 10mg/L |
| Total iron | 0.35mg/L |
| Cl - | 210.1mg/L |
| Calcium hardness is (with CaCO 3Meter) | 225.9mg/L |
| Total alkalinity is (with CaCO 3Meter) | 220.1mg/L |
| Zinc ion | 0.35mg/L |
| Total phosphorus | 2.98mg/L |
1 group of bactericidal property adding continuously: adding of agent concentration 15mg/L; Dosing frequency is 24h dosing 3 times, every 8h dosing once; Experiment adopts plate culture to measure heterotrophic bacteria number;
1 group of experimental verification is in Table 3.
Table 3
By upper table data, learnt: when low dosage adds continuously, 24h monitoring sterilizing rate data are greater than 90%, show that active bromine Biocidal algae-killing agent has good stability for control of microorganisms under continuous dosing situation, in application, can suitably reduce the dosing frequency, from turbidity data, ascensional range is steady, water quality is impacted little, while adding continuously, remaining bromine number is at 0.2mg/L.
2 groups of water quality index are in Table 4.
Table 4
| pH | 8.41 |
| Electrical conductivity | 1670μs/cm |
| Turbidity | 9mg/L |
| Total iron | 0.85mg/L |
| Cl - | 223.0mg/L |
| Calcium hardness is (with CaCO 3Meter) | 271.9mg/L |
| Total alkalinity is (with CaCO 3Meter) | 131.1mg/L |
| Zinc ion | 1.06mg/L |
| Total phosphorus | 2.61mg/L |
2 groups of impacts add bactericidal agent, and to add concentration be 50mg/L; Dosing frequency is 24h dosing 1 time; Experiment adopts plating method to measure heterotrophic bacteria number;
2 groups of experimental verifications are in Table 5.
Table 5
By upper table data, learnt: from total number of bacteria detected value, as oxidisability Biocidal algae-killing agent, reached the bactericidal effect of expection, active bromine is in killing water rapidly in bacterium, foundry loam in system is stripped down, from turbidity testing result, after dosing, 4h turbidity reaches the highest, has shown that it peels off effect significantly, and its lasting sterilizing time effect after 48h is not obvious.
(2) rate of corrosion monitoring during sterilization
The corrosion monitoring data of experimental session show, in the situation that corrosion inhibiting and descaling agent normally adds, corrosion rate reaches the level of 0.035mm/a, the every analysis of cycle water is normal, no abnormality seen, show indices analysis in water not produce interference, because chlorine has higher oxidisability than bromine, during Isodose, bromine is less than chlorine to corrosion of metal, visible, active bromine bactericide does not have harmful effect to corrosion control, no matter be to add continuously or be interrupted to add, active bromine Biocidal algae-killing agent for control of microorganisms all have good stability and continually strengthen consolidate characteristic, germicidal efficiency increases with the increase of concentration.
Active bromine bactericide has that sterilization speed is fast, little to corrosion of metal, liquid form conveniently adds continuously and automatically controls, stable, the advantage such as have no irritating odor, active bromine bactericide has made up the deficiency of existing chloride oxidative bactericide, is the desirable bactericide of current industry and domestic water disinfection.
This product meets the production standard of enterprise.
Claims (3)
1. active bromine liquid oxygen voltinism Biocidal algae-killing agent and preparation method thereof, is characterized in that: with parts by weight preparation raw material, implement step by step:
Raw material: formed by solid bromine salt 15-25 part, hypochlorite 8-14 part, amino compound 1-5 part, sodium hydroxide 17-23 part;
Synthetic: solid bromine salt is placed in to the enamel reaction still that adds stirring, under 5 ℃ of conditions of temperature <, drips hypochlorite and amino compound simultaneously, time for adding 5-6h, reaction temperature is controlled at 10 ℃ of <; Dropping finishes rear insulation 1h, under 40 ℃ of conditions of temperature <, drips sodium hydroxide, and time 1h, regulates pH value 10 ± 0.5, obtains the yellow liquid active bromine oxidizing bactericide of aromatic odor;
Sterilization algae removal operation: adopt measuring pump regularly to add, add drug concentration 10-20mg/L, administration timing of drug 24 h, add once every 8h.
2. according to method described in claim 1, it is characterized in that: the effective content of this finished product is with count >=6%, 1% pH value of water solution 10-12 of bromine.
3. according to method described in claim 1, it is characterized in that: the solid bromine salt that method is selected, hypochlorite, amino compound respectively in the four seas, effluent south Chemical Co., Ltd., Xinjiang safe chemistry, Yanggu dragon's fountain chemical plant, Shandong Province provide.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104068056A (en) * | 2014-06-27 | 2014-10-01 | 江苏丽莎环保科技有限公司 | Application of inorganic bromine disinfectant to aspect of killing microcystic toxins |
| CN104068055A (en) * | 2014-06-27 | 2014-10-01 | 江苏丽莎环保科技有限公司 | Inorganic bromine disinfectant as well as preparation method and application thereof |
| CN115553300A (en) * | 2021-12-02 | 2023-01-03 | 上海未来企业股份有限公司 | Broad-spectrum biocidal stripping agent and preparation method and application thereof |
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| CN1345385A (en) * | 1999-03-31 | 2002-04-17 | 纳尔科化学公司 | Stabilized bromine solutions, method of manufacture and uses thereof for biofouling control |
| CN101494985A (en) * | 2005-06-10 | 2009-07-29 | 雅宝公司 | High concentrated, biocidally active compositions and aqueous mixtures and methods of making the same |
| CN102762232A (en) * | 2009-12-04 | 2012-10-31 | 阿尔比马尔公司 | Microbiocidal control in drinking line systems |
| WO2013059019A1 (en) * | 2011-10-21 | 2013-04-25 | Nalco Company | Use of sulfamic acid or its salts as stabilizers especially in combination with ammonium salt and/or ammine for bleach or other halogen containing biocides in the paper area |
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2013
- 2013-11-04 CN CN201310539955.XA patent/CN103734189A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1345385A (en) * | 1999-03-31 | 2002-04-17 | 纳尔科化学公司 | Stabilized bromine solutions, method of manufacture and uses thereof for biofouling control |
| CN101494985A (en) * | 2005-06-10 | 2009-07-29 | 雅宝公司 | High concentrated, biocidally active compositions and aqueous mixtures and methods of making the same |
| CN102762232A (en) * | 2009-12-04 | 2012-10-31 | 阿尔比马尔公司 | Microbiocidal control in drinking line systems |
| WO2013059019A1 (en) * | 2011-10-21 | 2013-04-25 | Nalco Company | Use of sulfamic acid or its salts as stabilizers especially in combination with ammonium salt and/or ammine for bleach or other halogen containing biocides in the paper area |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104068056A (en) * | 2014-06-27 | 2014-10-01 | 江苏丽莎环保科技有限公司 | Application of inorganic bromine disinfectant to aspect of killing microcystic toxins |
| CN104068055A (en) * | 2014-06-27 | 2014-10-01 | 江苏丽莎环保科技有限公司 | Inorganic bromine disinfectant as well as preparation method and application thereof |
| CN104068056B (en) * | 2014-06-27 | 2016-08-24 | 江苏丽莎环保科技有限公司 | The application in terms of killing Microcystin of a kind of inorganic bromine disinfectant |
| CN115553300A (en) * | 2021-12-02 | 2023-01-03 | 上海未来企业股份有限公司 | Broad-spectrum biocidal stripping agent and preparation method and application thereof |
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Application publication date: 20140423 |