CN105692736A - Multifunctional oil-production wastewater treatment agent and preparation method and application thereof - Google Patents
Multifunctional oil-production wastewater treatment agent and preparation method and application thereof Download PDFInfo
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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
- C02F1/00—Treatment of water, waste water, or sewage
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/02—Saturated carboxylic acids or thio analogues thereof; Derivatives thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01N59/16—Heavy metals; Compounds thereof
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- 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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/20—Fabaceae or Leguminosae [Pea or Legume family], e.g. pea, lentil, soybean, clover, acacia, honey locust, derris or millettia
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
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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
- 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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- 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
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- 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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- 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
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
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Abstract
The invention discloses multifunctional oil-production wastewater treatment agent and a preparation method and application thereof. The multifunctional oil-production wastewater treatment agent comprises, by weight, 28-36 parts of caesalpinia sappan, 28-36 parts of ferric sulfate, 5-12 parts of sodium formate, 18-26 parts of fluorite powder, and 3-10 parts of fatty alcohol polyoxy alkyl ether. The preparation method includes preparing sodium formate solution by sodium formate; smashing and sieving the caesalpinia sappan, adding absolute ethyl alcohol for ultrasonic treatment, and centrifugally separating to produce supernate; smashing and sieving caesalpinia sappan and fluorite powder, adding deionized water for stirring and microwave treatment; adding the sodium formate solution to heat and stir to produce pretreatment liquid; mixing the pretreatment liquid, the supernate, and the fatty alcohol polyoxy alkyl ether, and producing the treatment agent by ultrasonic treatment and spraying drying. The treatment agent has functions of adsorption, complexing, sterilization, scale prevention, corrosion resistance and the like, and is used for treating oil-production wastewater containing H2S, CO2 and sulfate reducing bacteria to significantly alleviate corrosion and sterilize, and the treated wastewater has no subsequent corrosion and damage to metal devices.
Description
Technical field
The present invention relates to technical field of sewage, specifically a kind of oil extraction-generated waste water Multifunctional Additive and its preparation method and application。
Background technology
Oil extraction-generated waste water refers in the oil field adopting water flooding recovery, and note the water of people's oil reservoir from water injection well, wherein most returns to ground with crude oil by producing well, this part water crude oil outward transport and outer defeated before must be removed, containing crude oil in the sewage deviate from。Along with the growth in oilfield exploitation age, the moisture content of water acquisition liquid constantly rises, some blocks oneself reach more than 90%, these oil-polluted waters oneself become the main injection water source in oil field。Oil extraction-generated waste water mainly includes greasy dirt and stacks the polluted-water etc. that the leakage water in place, the sewage of washing facility, oil field rainwash rainwater, sanitary sewage and accident leakage and discharge cause。Oil extraction-generated waste water is difficult to process, and environment is worked the mischief。
At present, each oil field is the inorganic agent of the simple function such as many employings anticorrosion or sterilization when the sewage disposal of oil-gas gathering and transportation system, thus when oil extraction-generated waste water contains H2S、CO2During with sulfate reducting bacteria in the stratum of a large amount of propagation, then cannot realizing absorption, complexed acidic gas and sterilizing function, system still can be caused subsequent corrosion to injure by treated sewage simultaneously。
Summary of the invention
It is an object of the invention to provide oil extraction-generated waste water Multifunctional Additive of a kind of inhibition, sterilization and its preparation method and application, with the problem solving to propose in above-mentioned background technology。
For achieving the above object, the present invention provides following technical scheme:
A kind of oil extraction-generated waste water Multifunctional Additive, is made up of according to the raw material of weight portion following: Lignum Sappan 28-36 part, iron sulfate 28-36 part, sodium formate 5-12 part, Fluorspar Powder 18-26 part, fatty alcohol polyoxyalkyl ether 3-10 part。
As the further scheme of the present invention: described oil extraction-generated waste water Multifunctional Additive, it is made up of according to the raw material of weight portion following: Lignum Sappan 30-34 part, iron sulfate 30-34 part, sodium formate 7-10 part, Fluorspar Powder 20-24 part, fatty alcohol polyoxyalkyl ether 5-8 part。
As the further scheme of the present invention: described oil extraction-generated waste water Multifunctional Additive, it is made up of according to the raw material of weight portion following: Lignum Sappan 32 parts, 32 parts of iron sulfate, sodium formate 9 parts, Fluorspar Powder 22 parts, fatty alcohol polyoxyalkyl ether 7 parts。
The preparation method of described oil extraction-generated waste water Multifunctional Additive, is made up of following steps:
1) sodium formate is dissolved in its water of quality 8-10 times, prepare sodium formate solution；
2) being pulverized by Lignum Sappan, cross 200 mesh sieves, add its dehydrated alcohol of quality 5-8 times, supersound process 30-40min at 70-75 DEG C, wherein ultrasonic power is 1000W, centrifugation after supersound process, takes supernatant standby；
3) iron sulfate, Fluorspar Powder being pulverized, cross 250-300 mesh sieve, add the two deionized water of quality 18-20 times, stir process 30-40min at 80-85 DEG C, then carry out microwave treatment 5-8min, microwave power is 700-800W；It is subsequently adding sodium formate solution, heated and stirred 30-40min at 135-140 DEG C, prepare pretreatment fluid；
4) being mixed with supernatant, fatty alcohol polyoxyalkyl ether by pretreatment fluid, supersound process 30-40min at 70-75 DEG C, wherein ultrasonic power is 1000W, and then at 130-135 DEG C, namely spray drying obtains inorganic agent。
The application in oil extraction-generated waste water of the described inorganic agent。
Described inorganic agent concentration in oil extraction-generated waste water is no less than 0.00625g/L。
Compared with prior art, the invention has the beneficial effects as follows:
The oil extraction-generated waste water Multifunctional Additive that the present invention prepares, under the combined effect of each raw material, has the functions such as absorption, complexation, sterilization, antiscale, anticorrosion, when containing H2S、CO2After the oil extraction-generated waste water of sulfate reducting bacteria adds appropriate oil extraction-generated waste water Multifunctional Additive, it is possible to obtain obvious inhibition, bactericidal effect, reach the purpose that hardware in system will be caused subsequent corrosion to injure by treated sewage。
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments。Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention。
Embodiment 1
In the embodiment of the present invention, a kind of oil extraction-generated waste water Multifunctional Additive, it is made up of according to the raw material of weight portion following: Lignum Sappan 28 parts, 28 parts of iron sulfate, sodium formate 5 parts, Fluorspar Powder 18 parts, fatty alcohol polyoxyalkyl ether 3 parts。
Sodium formate is dissolved in the water of its quality 8 times, prepare sodium formate solution。Being pulverized by Lignum Sappan, cross 200 mesh sieves, add the dehydrated alcohol of its quality 5 times, supersound process 30min at 70 DEG C, wherein ultrasonic power is 1000W, centrifugation after supersound process, takes supernatant standby。Iron sulfate, Fluorspar Powder being pulverized, cross 250 mesh sieves, add the deionized water of the two quality 18 times, stir process 30min at 80 DEG C, then carry out microwave treatment 5min, microwave power is 700W；It is subsequently adding sodium formate solution, heated and stirred 30min at 135 DEG C, prepare pretreatment fluid。Being mixed with supernatant, fatty alcohol polyoxyalkyl ether by pretreatment fluid, supersound process 30min at 70 DEG C, wherein ultrasonic power is 1000W, and then at 130 DEG C, namely spray drying obtains inorganic agent。
Embodiment 2
In the embodiment of the present invention, a kind of oil extraction-generated waste water Multifunctional Additive, it is made up of according to the raw material of weight portion following: Lignum Sappan 36 parts, 36 parts of iron sulfate, sodium formate 12 parts, Fluorspar Powder 26 parts, fatty alcohol polyoxyalkyl ether 10 parts。
Sodium formate is dissolved in the water of its quality 10 times, prepare sodium formate solution。Being pulverized by Lignum Sappan, cross 200 mesh sieves, add the dehydrated alcohol of its quality 8 times, supersound process 40min at 75 DEG C, wherein ultrasonic power is 1000W, centrifugation after supersound process, takes supernatant standby。Iron sulfate, Fluorspar Powder being pulverized, cross 300 mesh sieves, add the deionized water of the two quality 20 times, stir process 40min at 85 DEG C, then carry out microwave treatment 8min, microwave power is 800W；It is subsequently adding sodium formate solution, heated and stirred 40min at 140 DEG C, prepare pretreatment fluid。Being mixed with supernatant, fatty alcohol polyoxyalkyl ether by pretreatment fluid, supersound process 40min at 75 DEG C, wherein ultrasonic power is 1000W, and then at 135 DEG C, namely spray drying obtains inorganic agent。
Embodiment 3
In the embodiment of the present invention, a kind of oil extraction-generated waste water Multifunctional Additive, it is made up of according to the raw material of weight portion following: Lignum Sappan 30 parts, 30 parts of iron sulfate, sodium formate 7 parts, Fluorspar Powder 20 parts, fatty alcohol polyoxyalkyl ether 5 parts。
Sodium formate is dissolved in the water of its quality 9 times, prepare sodium formate solution。Being pulverized by Lignum Sappan, cross 200 mesh sieves, add the dehydrated alcohol of its quality 7 times, supersound process 30-40min at 75 DEG C, wherein ultrasonic power is 1000W, centrifugation after supersound process, takes supernatant standby。Iron sulfate, Fluorspar Powder being pulverized, cross 300 mesh sieves, add the deionized water of the two quality 19 times, stir process 35min at 85 DEG C, then carry out microwave treatment 6min, microwave power is 800W；It is subsequently adding sodium formate solution, heated and stirred 35min at 140 DEG C, prepare pretreatment fluid。Being mixed with supernatant, fatty alcohol polyoxyalkyl ether by pretreatment fluid, supersound process 35min at 75 DEG C, wherein ultrasonic power is 1000W, and then at 132 DEG C, namely spray drying obtains inorganic agent。
Embodiment 4
In the embodiment of the present invention, a kind of oil extraction-generated waste water Multifunctional Additive, it is made up of according to the raw material of weight portion following: Lignum Sappan 30-34 part, iron sulfate 30-34 part, sodium formate 7-10 part, Fluorspar Powder 20-24 part, fatty alcohol polyoxyalkyl ether 5-8 part。
Sodium formate is dissolved in the water of its quality 9 times, prepare sodium formate solution。Being pulverized by Lignum Sappan, cross 200 mesh sieves, add the dehydrated alcohol of its quality 7 times, supersound process 30-40min at 75 DEG C, wherein ultrasonic power is 1000W, centrifugation after supersound process, takes supernatant standby。Iron sulfate, Fluorspar Powder being pulverized, cross 300 mesh sieves, add the deionized water of the two quality 19 times, stir process 35min at 85 DEG C, then carry out microwave treatment 6min, microwave power is 800W；It is subsequently adding sodium formate solution, heated and stirred 35min at 140 DEG C, prepare pretreatment fluid。Being mixed with supernatant, fatty alcohol polyoxyalkyl ether by pretreatment fluid, supersound process 35min at 75 DEG C, wherein ultrasonic power is 1000W, and then at 132 DEG C, namely spray drying obtains inorganic agent。
Embodiment 5
In the embodiment of the present invention, a kind of oil extraction-generated waste water Multifunctional Additive, it is made up of according to the raw material of weight portion following: Lignum Sappan 32 parts, 32 parts of iron sulfate, sodium formate 9 parts, Fluorspar Powder 22 parts, fatty alcohol polyoxyalkyl ether 7 parts。
Sodium formate is dissolved in the water of its quality 9 times, prepare sodium formate solution。Being pulverized by Lignum Sappan, cross 200 mesh sieves, add the dehydrated alcohol of its quality 7 times, supersound process 30-40min at 75 DEG C, wherein ultrasonic power is 1000W, centrifugation after supersound process, takes supernatant standby。Iron sulfate, Fluorspar Powder being pulverized, cross 300 mesh sieves, add the deionized water of the two quality 19 times, stir process 35min at 85 DEG C, then carry out microwave treatment 6min, microwave power is 800W；It is subsequently adding sodium formate solution, heated and stirred 35min at 140 DEG C, prepare pretreatment fluid。Being mixed with supernatant, fatty alcohol polyoxyalkyl ether by pretreatment fluid, supersound process 35min at 75 DEG C, wherein ultrasonic power is 1000W, and then at 132 DEG C, namely spray drying obtains inorganic agent。
Comparative example 1
Except not containing Lignum Sappan, its formula and preparation process are consistent with embodiment 5。
Comparative example 2
Except not containing Fluorspar Powder, its formula and preparation process are consistent with embodiment 5。
Comparative example 3
Except not containing Lignum Sappan, Fluorspar Powder, its formula and preparation process are consistent with embodiment 5。
In order to verify effect of the present invention, carry out following test:
1, take in the enamel glass reactor that oil extraction-generated waste water 1 liter is placed in 5 2.5 liters respectively, it is placed into 3 A3 steel corrosion lacing films, 5 reactors are separately added into the inorganic agent of embodiment 5, comparative example 1-3, addition is the 0.04% of oil extraction-generated waste water quality, test temperature 40 DEG C, the 15 days time, 3 lacing film average corrosion rate results are shown in table 1 below。
Table 1
Take oil extraction-generated waste water original bacteria liquid (100mL cultivates 20 hours) 1mL through high pure nitrogen stripping and in the fluid medium containing divalent iron salt in multiple 1.5mLEP pipes, supernatant is removed after the centrifugal 8min of 8000rpm, gradient adds above-described embodiment 5 and comparative example 1-3 inorganic agent 500 μ g in each EP pipe respectively again, with liquid-transfering gun, precipitation is beaten as suspension, 150rpm shaking table shakes centrifugal segregation supernatant after 10min, adds diluent and clean cell precipitation；And repeat this step until non-processor agent in each EP pipe, and by dilution-to-extinction method, antibacterial being processed, culture medium is inverted cultivation 20 hours at 37 DEG C, takes out count results and sees table 2 below。
Table 2
| Inorganic agent concentration (g/mL) | 1/50 | 1/66.7 | 1/100 | 1/200 | 1/400 | 1/10000 | Blank |
| Content (10-2g/L) | 5 | 3.75 | 2.5 | 1.25 | 0.625 | 0.25 | 0 |
| Embodiment 5 | 0 | 0 | 0 | 0 | 3 | 98 | 800 |
| Comparative example 1 | 0 | 2 | 43 | 163 | 419 | 709 | 800 |
| Comparative example 2 | 0 | 0 | 25 | 135 | 365 | 645 | 800 |
| Comparative example 3 | 0 | 8 | 65 | 198 | 456 | 752 | 800 |
By indoor test, when containing H2S、CO2After the oil extraction-generated waste water of sulfate reducting bacteria adds appropriate oil extraction-generated waste water Multifunctional Additive, it is possible to obtain obvious inhibition, bactericidal effect, reach the purpose that hardware in system will be caused subsequent corrosion to injure by treated sewage。
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when without departing substantially from the spirit of the present invention or basic feature, it is possible to realize the present invention in other specific forms。Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the invention rather than described above limits, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in the present invention。
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that。
Claims (6)
1. an oil extraction-generated waste water Multifunctional Additive, it is characterised in that be made up of according to the raw material of weight portion following: Lignum Sappan 28-36 part, iron sulfate 28-36 part, sodium formate 5-12 part, Fluorspar Powder 18-26 part, fatty alcohol polyoxyalkyl ether 3-10 part。
2. oil extraction-generated waste water Multifunctional Additive according to claim 1, it is characterised in that be made up of according to the raw material of weight portion following: Lignum Sappan 30-34 part, iron sulfate 30-34 part, sodium formate 7-10 part, Fluorspar Powder 20-24 part, fatty alcohol polyoxyalkyl ether 5-8 part。
3. oil extraction-generated waste water Multifunctional Additive according to claim 2, it is characterised in that be made up of according to the raw material of weight portion following: Lignum Sappan 32 parts, 32 parts of iron sulfate, sodium formate 9 parts, Fluorspar Powder 22 parts, fatty alcohol polyoxyalkyl ether 7 parts。
4. one kind as arbitrary in claim 1-3 as described in the preparation method of oil extraction-generated waste water Multifunctional Additive, it is characterised in that be made up of following steps:
1) sodium formate is dissolved in its water of quality 8-10 times, prepare sodium formate solution；
2) being pulverized by Lignum Sappan, cross 200 mesh sieves, add its dehydrated alcohol of quality 5-8 times, supersound process 30-40min at 70-75 DEG C, wherein ultrasonic power is 1000W, centrifugation after supersound process, takes supernatant standby；
3) iron sulfate, Fluorspar Powder being pulverized, cross 250-300 mesh sieve, add the two deionized water of quality 18-20 times, stir process 30-40min at 80-85 DEG C, then carry out microwave treatment 5-8min, microwave power is 700-800W；It is subsequently adding sodium formate solution, heated and stirred 30-40min at 135-140 DEG C, prepare pretreatment fluid；
4) being mixed with supernatant, fatty alcohol polyoxyalkyl ether by pretreatment fluid, supersound process 30-40min at 70-75 DEG C, wherein ultrasonic power is 1000W, and then at 130-135 DEG C, namely spray drying obtains inorganic agent。
5. the application in oil extraction-generated waste water of the inorganic agent as described in as arbitrary in claim 1-3。
6. the inorganic agent according to claim 5 application in oil extraction-generated waste water, it is characterised in that described inorganic agent concentration in oil extraction-generated waste water is no less than 0.00625g/L。
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