CN104642383A - Potassium ferrate bactericide - Google Patents
Potassium ferrate bactericide Download PDFInfo
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- CN104642383A CN104642383A CN201310587460.4A CN201310587460A CN104642383A CN 104642383 A CN104642383 A CN 104642383A CN 201310587460 A CN201310587460 A CN 201310587460A CN 104642383 A CN104642383 A CN 104642383A
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- potassium
- bactericide
- nitric acid
- ferrate
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Abstract
The invention provides a potassium ferrate bactericide which is composed of potassium permanganate, concentrated nitric acid, potassium chloride, iron and chlorine gas. The potassium ferrate bactericide is prepared by feeding the chlorine gas, the concentrated nitric acid and the potassium permanganate into a reactor; carrying out a reaction; adding excessive potassium chloride after the reaction finished to obtain a saturated potassium hypochlorite solution; adding the iron and the concentrated nitric acid into the solution; carrying out a reaction; and purifying and drying a reaction product after the reaction finished to obtain the potassium ferrate bactericide. The potassium ferrate bactericide has a significant inhibition effect on bacteria breeding in an oilfield flooding system and an oil extraction and production system, and especially is suitable for being used in an oil extraction sewage treatment and reinjection system containing polymers.
Description
Technical field
The invention belongs to water-treatment technology field, especially a kind of oil-field flooding bactericide, specifically potassium ferrate bactericide.
Background technology
The bactericide that current oil field uses is all generally the medicament continuing to use domestic use of water and industrial circulating water, can be divided into aerobic type and non-oxygen type bactericide by its sterilization mechanism.But the many onshore oil fields of China, flood pattern is mainly carried out in confined conditions, and in water filling, the content of organic matter is very high, and usually need a large amount of oxidants just can reach the object of sterilization, bactericidal effect is not good, and can increase corrosion.The maximum of non oxidizing bactericide are quaternary ammonium salts, quaternary alkylphosphonium salt, alkyl guanidine and compound disinfectant, quaternary alkylphosphonium salt series bactericidal agent is due to its cost high difficulty or ease industrialization promotion, one of the most common and the most effective bactericide during quaternary ammonium salt, not only there is bactericidal action, and also there is synergistic effect to bactericidal active constituent, also very strong stripping effect is had to glutinous mud, but quaternary ammonium salt also has deficiency, as contained many suspended particulates in water filling, electronegative materials such as emulsification oil droplet, they all can interact with quaternary ammonium salt, make it can not produce electrostatic attraction effect with cell wall and lower its bactericidal activity even to lose efficacy.And compound disinfectant is owing to compatibility between component and synergy can not calculate adjustment, composite more loaded down with trivial details, and some compound disinfectant is added with solvent and surfactant cosolvent adds additional cost, adds the harm of VOC to environment.
Microorganism in oil field system can cause the blocking of the corrosion of drilling-production equipment and waterflood-transmission line and other metal materials and damage, pipeline and water injection well; Oil reservoir pore permeability is declined, hinders water flood recovery; Even can to degrade other oil field chemicals and reduce the service efficiency of medicament.These harm are run to industry and Petroleum Production and bring huge economic loss, and the metal of the global oil recovery industry loss because of corrosion every year can reach 18% of its metal usage amount.
Oil field system controls the measure of bacterium: cleaning flood pattern, adjustment water filling flow process, microbe controlling method, ultraviolet or radio exposure lamp physics and chemical treatment method.Especially the chemical treatment method of bactericide is utilized to have the features such as economy, convenience, instant effect.
Existing bactericide, generally there is certain shortcoming in treatment effect, and production cost is also higher.Potassium ferrate (K2Fe04) is the glossiness Powdered crystal of kermesinus, fusing point 198 DEG C, very easily water-soluble generation purplish red solution, all there is strong oxidizing property and superpower, efficient, excellent bactericidal action within the scope of whole pH value, the K2FeO4 of 6mg/l, in 30min, can kill the Escherichia coli of in water 99.9%.With stable potassium ferrate solution, embrace effect 10min to staphylococcus aureus, Candida albicans mattress and bacillus subtilis var bud respectively, killing rate all reaches more than 99.95%.
In sum in order to raise the efficiency, reduce costs, development environment is friendly, potion multiple-effect, adapts to the pesticide resistance of bacterial dissociation, adapts to different quality, and the new product that compatibility is good is the inevitable direction of bactericide development.
Summary of the invention
The object of the present invention is to provide a kind of oil-field flooding bactericide and manufacture method thereof, mainly solve the problem existing for above-mentioned prior art, it endangers maximum bacterium for oil field to have sulfate reducing bacteria, iron bacteria and saprophytic bacteria and the bactericide of a kind of novel low-cost developed.
In view of prior art exist defect, the object of this invention is to provide a kind of cost low, to human body without harm new type bactericide:
The first step: chlorine red fuming nitric acid (RFNA) potassium permanganate is added reactor, adds excessive potassium chloride after reacting completely, obtains saturated postassium hypochlorite solution;
Second step: iron is added in above-mentioned solution, adds red fuming nitric acid (RFNA), drying of purifying after reaction, just can obtain product.
Special efficacy advantage of the present invention is, the oil field bactericide specially produced has economic benefits and social benefits bactericidal property; Effectively can solve the resistance problems of sulfate reducing bacteria; And there is good compatibility, can effectively kill and suppress oil field sulfate reductive bacterium.There is significant inhibition to oil-field flooding and oil extraction production bacteria breed, be particularly useful for containing polymer oilfield wastewater process and re-injection system.
Specific embodiment
Embodiment 1:
Preparation scheme: chlorine red fuming nitric acid (RFNA) potassium permanganate is added reactor, adds excessive potassium chloride after reacting completely, obtains saturated postassium hypochlorite solution; Iron is added in above-mentioned solution, adds red fuming nitric acid (RFNA), drying of purifying after reaction, just can obtain product.
The present invention effectively can solve the resistance problems of sulfate reducing bacteria
Embodiment 2:
Preparation scheme is the same.
This product has good compatibility, can effectively kill and suppress oil field sulfate reductive bacterium.
Embodiment 3:
Preparation method is the same.
The present invention has significant inhibition to oil-field flooding and oil extraction production bacteria breed, is particularly useful for containing polymer oilfield wastewater process and re-injection system.
Preparation technology's side reaction of the present invention is few, simple to operate in addition, and without any pollutant emission, reaction condition is gentle, and energy consumption is low.
This product is mainly used in the sterilization processing of oil field water treatment system and similar water treatment system thereof.
Be only preferred embodiment of the present invention in sum, be not used for limiting practical range of the present invention.Namely all equivalences done according to the content of the present patent application the scope of the claims change and modify, and all should be technology category of the present invention.
Claims (3)
1. a potassium ferrate potassium ferrate bactericide, is characterized in that, it is made up of potassium permanganate, red fuming nitric acid (RFNA), potassium chloride, iron, chlorine.
2. according to claim 1, described potassium ferrate bactericide, it is characterized in that, each component by quality proportioning is: potassium permanganate: red fuming nitric acid (RFNA): potassium chloride: iron :=(80 ~ 100): (200 ~ 300): (70 ~ 90): (20 ~ 30), chlorine is appropriate.
3., according to claim 1, described potassium ferrate bactericide, is characterized in that, its preparation method is:
The first step: chlorine red fuming nitric acid (RFNA) potassium permanganate is added reactor, adds excessive potassium chloride after reacting completely, obtains saturated postassium hypochlorite solution;
Second step: iron is added in above-mentioned solution, adds red fuming nitric acid (RFNA), drying of purifying after reaction, just can obtain product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310587460.4A CN104642383A (en) | 2013-11-20 | 2013-11-20 | Potassium ferrate bactericide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310587460.4A CN104642383A (en) | 2013-11-20 | 2013-11-20 | Potassium ferrate bactericide |
Publications (1)
| Publication Number | Publication Date |
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| CN104642383A true CN104642383A (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201310587460.4A Pending CN104642383A (en) | 2013-11-20 | 2013-11-20 | Potassium ferrate bactericide |
Country Status (1)
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| CN (1) | CN104642383A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110204160A (en) * | 2019-05-30 | 2019-09-06 | 湖南大学 | A method of inhibit sludge anaerobic fermentation to generate hydrogen sulfide |
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2013
- 2013-11-20 CN CN201310587460.4A patent/CN104642383A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110204160A (en) * | 2019-05-30 | 2019-09-06 | 湖南大学 | A method of inhibit sludge anaerobic fermentation to generate hydrogen sulfide |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150527 |