CN105347549A - Device for processing thickened oil produced water by utilization of composite advanced oxidation process and technology - Google Patents
Device for processing thickened oil produced water by utilization of composite advanced oxidation process and technology Download PDFInfo
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- CN105347549A CN105347549A CN201510757470.7A CN201510757470A CN105347549A CN 105347549 A CN105347549 A CN 105347549A CN 201510757470 A CN201510757470 A CN 201510757470A CN 105347549 A CN105347549 A CN 105347549A
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Abstract
The invention relates to the thickened oil sewage processing technology field, and especially relates to a device for processing thickened oil produced water by utilization of a composite advanced oxidation process and a technology. An iron carbon Fenton reaction tank of the device comprises a tank body. A gas distribution pipe is arranged at the bottom inside the tank body. A water distribution pipe is arranged at the upper end of the gas distribution pipe. The upper end of the water distribution pipe is loaded with an iron carbon filling material. A water output region is arranged at the upper end of the iron carbon filling material. Water distribution pipes in a pipe mixer I, a pipe mixer II and the iron carbon Fenton reaction tank are connected through pipes in order. A blower is connected with the gas distribution pipe. The water output region is connected with a flocculation sedimentation basin through a pipe. Oxygenolysis of hardly degradable substances in thickened oil produced water flowing continuously is achieved, biodegradability of sewage is raised greatly, water quality fluctuation and biological toxicity of tap water are lowered, the output water after biochemical treatment meets discharging requirements, the device is especially suitable for reinforcement pretreatment of oil field thickened oil sewage discharging biochemical treatment and conditions and guarantee are provided for subsequent biological treatment.
Description
Technical field:
The present invention relates to treatment of waste water containing heavy oil field, particularly a kind of wastewater by composite advanced oxidation process dense oil extraction wastewater device and technique thereof.
Background technology:
Liaohe Oil Field is the important viscous crude place of production of China.At present, condensed oil sewage more than 10 is produced daily incomparably.Due to heavy oil development voidage-injection imbalane, cause condensed oil sewage except advanced treatment and reclamation thermal recovery boiler, still have 10 ~ 20% condensed oil sewages hopeless, need the rear qualified discharge of process.Owing to containing a large amount of hardly degraded organic substance in condensed oil sewage, and employ a large amount of chemical agent in viscous crude production process, wherein a part enters into sewage, cause that COD in sewage increases, complicated component, biodegradability are poor, and there is certain bio-toxicity, have stronger inhibition to microorganism active, difficult for biological degradation, direct biochemical treatment has great difficulty.For solving this difficult problem, first need to solve condensed oil sewage problem of pretreatment---adopt suitable pretreatment technology, reduce COD, the bio-toxicity of condensed oil sewage, improve biodegradability, for subsequent biological treatment provides condition and guarantee.
Summary of the invention:
The technical problem to be solved in the present invention is to provide a kind of wastewater by composite advanced oxidation process dense oil extraction wastewater device and technique thereof, this device and technique achieve carries out oxygenolysis to the hard-degraded substance in the dense oil extraction wastewater of continuous flow, increase substantially the biodegradability energy of sewage, reduce water variation water quality and bio-toxicity, Process for Effluent reaches emission request after biochemical treatment, be specially adapted to the strenuous primary treatment of oil-field thick-oil wastewater disposition biochemical treatment, for subsequent biological treatment provides condition and guarantee.Overcome existing condensed oil sewage difficult for biological degradation, direct biochemical treatment has the deficiency of great difficulty.
The technical solution used in the present invention is: a kind of wastewater by composite advanced oxidation process dense oil extraction wastewater device, comprises line mixer I and line mixer II; Also comprise iron carbon Fenton's reaction tank, iron carbon Fenton's reaction tank comprises tank body, and tank interior bottom is provided with gas distributing pipeline, and gas distributing pipeline upper end is provided with water distribution pipe, and iron carbon filler is equipped with in water distribution pipe upper end, and iron carbon filler upper end is exhalant region; Water distribution pipe in line mixer I, line mixer II, iron carbon Fenton's reaction tank is connected in turn by pipeline, and gas blower is connected with gas distributing pipeline, and exhalant region is connected with flocculation sedimentation tank by pipeline, and flocculation sedimentation tank is provided with scraping and sucking machine.
A kind of technique using above-mentioned wastewater by composite advanced oxidation process dense oil extraction wastewater device, this processing step is as follows: after upland water adds sulfuric acid, enter line mixer I to mix, pH value is adjusted between 2.5-3, line mixer II mixing is entered after line mixer I water outlet adds hydrogen peroxide, line mixer II water outlet enters the water distribution pipe in iron carbon Fenton's reaction tank, pressurized air is sent into the gas distributing pipeline in iron carbon Fenton's reaction tank by gas blower simultaneously, reaction times is 2h, the water outlet of iron carbon Fenton's reaction tank enters flocculation sedimentation tank from exhalant region, enter the water of flocculation sedimentation tank, first add liquid sodium hydroxide and pH value is adjusted to 8.5, PAC is added after mix and blend, PAM is added after mix and blend, water outlet enters the precipitation settling section of flocculation sedimentation tank, sedimentation time 2h, supernatant liquor is discharged, bed mud is discharged by scraping and sucking machine.
The invention has the beneficial effects as follows: the present invention carries out oxygenolysis to the hard-degraded substance in the dense oil extraction wastewater of continuous flow, increase substantially the biodegradability energy of sewage, reduce water variation water quality and bio-toxicity, Process for Effluent reaches emission request after biochemical treatment, be specially adapted to the strenuous primary treatment of oil-field thick-oil wastewater disposition biochemical treatment, for subsequent biological treatment provides condition and guarantee.
Accompanying drawing illustrates:
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Fig. 1 is the structural representation of wastewater by composite advanced oxidation process dense oil extraction wastewater device.
Embodiment:
As shown in Figure 1, a kind of wastewater by composite advanced oxidation process dense oil extraction wastewater device, comprises line mixer I 1 and line mixer II 2; Also comprise iron carbon Fenton's reaction tank 3, iron carbon Fenton's reaction tank 3 comprises tank body 7, and tank body 7 inner bottom is provided with gas distributing pipeline 8, and gas distributing pipeline 8 upper end is provided with water distribution pipe 9, and iron carbon filler 10 is equipped with in water distribution pipe 9 upper end, and iron carbon filler 10 upper end is exhalant region 11; Water distribution pipe 9 in line mixer I 1, line mixer II 2, iron carbon Fenton's reaction tank 3 is connected in turn by pipeline, gas blower 4 is connected with gas distributing pipeline 8, exhalant region 11 is connected with flocculation sedimentation tank 5 by pipeline, flocculation sedimentation tank 5 is provided with scraping and sucking machine 6.
A kind of technique of above-mentioned wastewater by composite advanced oxidation process dense oil extraction wastewater device, this processing step is as follows: after upland water adds sulfuric acid, enter line mixer I 1 to mix, pH value is adjusted between 2.5-3, enter line mixer II 2 after line mixer I 1 water outlet adds hydrogen peroxide to mix, line mixer II 2 water outlet enters the water distribution pipe 9 in iron carbon Fenton's reaction tank 3, pressurized air is sent into the gas distributing pipeline 8 in iron carbon Fenton's reaction tank 3 by gas blower 4 simultaneously, reaction times is 2h, the water outlet of iron carbon Fenton's reaction tank 3 enters flocculation sedimentation tank 5 from exhalant region 11, enter the water of flocculation sedimentation tank 5, first add liquid sodium hydroxide and pH value is adjusted to 8.5, PAC is added after mix and blend, PAM is added after mix and blend, water outlet enters the precipitation settling section of flocculation sedimentation tank 5, sedimentation time 2h, supernatant liquor is discharged, bed mud is discharged by scraping and sucking machine 6.
Wastewater by composite advanced oxidation process dense oil extraction wastewater device can be installed on when using in condensed oil sewage treatment scheme and filters or after flotation section, before biochemical section, have functions such as reducing COD, reduction bio-toxicity, raising biodegradability.
Be understandable that, above about specific descriptions of the present invention, the technical scheme described by the embodiment of the present invention is only not limited to for illustration of the present invention, those of ordinary skill in the art is to be understood that, still can modify to the present invention or equivalent replacement, to reach identical technique effect; Needs are used, all within protection scope of the present invention as long as meet.
Claims (2)
1. a wastewater by composite advanced oxidation process dense oil extraction wastewater device, comprises line mixer I (1) and line mixer II (2); It is characterized in that: also comprise iron carbon Fenton's reaction tank (3), iron carbon Fenton's reaction tank (3) comprises tank body (7), tank body (7) inner bottom is provided with gas distributing pipeline (8), gas distributing pipeline (8) upper end is provided with water distribution pipe (9), iron carbon filler (10) is equipped with in water distribution pipe (9) upper end, and iron carbon filler (10) upper end is exhalant region (11); Water distribution pipe (9) in line mixer I (1), line mixer II (2), iron carbon Fenton's reaction tank (3) is connected in turn by pipeline, gas blower (4) is connected with gas distributing pipeline (8), exhalant region (11) is connected with flocculation sedimentation tank (5) by pipeline, flocculation sedimentation tank (5) is provided with scraping and sucking machine (6).
2. one kind uses the technique according to wastewater by composite advanced oxidation process dense oil extraction wastewater device according to claim 1, it is characterized in that: this processing step is as follows: after upland water adds sulfuric acid, enter line mixer I (1) to mix, pH value is adjusted between 2.5-3, enter line mixer II (2) after line mixer I (1) water outlet adds hydrogen peroxide to mix, line mixer II (2) water outlet enters the water distribution pipe (9) in iron carbon Fenton's reaction tank (3), pressurized air is sent into the gas distributing pipeline (8) in iron carbon Fenton's reaction tank (3) by gas blower (4) simultaneously, reaction times is 2h, the water outlet of iron carbon Fenton's reaction tank (3) enters flocculation sedimentation tank (5) from exhalant region (11), enter the water of flocculation sedimentation tank (5), first add liquid sodium hydroxide and pH value is adjusted to 8.5, PAC is added after mix and blend, PAM is added after mix and blend, water outlet enters the precipitation settling section of flocculation sedimentation tank (5), sedimentation time 2h, supernatant liquor is discharged, bed mud is discharged by scraping and sucking machine (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510757470.7A CN105347549A (en) | 2015-11-09 | 2015-11-09 | Device for processing thickened oil produced water by utilization of composite advanced oxidation process and technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510757470.7A CN105347549A (en) | 2015-11-09 | 2015-11-09 | Device for processing thickened oil produced water by utilization of composite advanced oxidation process and technology |
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| CN105347549A true CN105347549A (en) | 2016-02-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819596A (en) * | 2016-03-31 | 2016-08-03 | 广州绿日环保科技有限公司 | Device and method for treating wastewater by polybasic coal-iron-carbon |
| CN107176743A (en) * | 2017-05-05 | 2017-09-19 | 四川沃兹凯兰科技有限公司 | A kind of processing method of organic wastewater |
| CN108238689A (en) * | 2018-01-16 | 2018-07-03 | 航天凯天环保科技股份有限公司 | A kind of processing method of polymer flooding oily water |
| CN111533329A (en) * | 2020-04-27 | 2020-08-14 | 路德环境科技股份有限公司 | Method and system for treating oily wastewater |
| CN113912220A (en) * | 2021-11-17 | 2022-01-11 | 扬州优境环境工程有限公司 | Process for treating caprolactam ammoximation wastewater by hydrogen peroxide catalytic oxidation |
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| CN101734817A (en) * | 2009-12-31 | 2010-06-16 | 江苏苏净集团有限公司 | Method for treating organic chemical waste water |
| CN102432135A (en) * | 2010-09-29 | 2012-05-02 | 中国石油化工股份有限公司 | Pre-treatment method for high-concentration organic waste water |
| CN103466885A (en) * | 2013-09-12 | 2013-12-25 | 安徽省绿巨人环境技术有限公司 | Process for treating wastewater generated in solar silicon wafer production process |
| CN204022601U (en) * | 2014-07-10 | 2014-12-17 | 无锡博美环境工程有限公司 | The micro-electrolysis advanced oxidation of MEO reactor |
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2015
- 2015-11-09 CN CN201510757470.7A patent/CN105347549A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101734817A (en) * | 2009-12-31 | 2010-06-16 | 江苏苏净集团有限公司 | Method for treating organic chemical waste water |
| CN102432135A (en) * | 2010-09-29 | 2012-05-02 | 中国石油化工股份有限公司 | Pre-treatment method for high-concentration organic waste water |
| CN103466885A (en) * | 2013-09-12 | 2013-12-25 | 安徽省绿巨人环境技术有限公司 | Process for treating wastewater generated in solar silicon wafer production process |
| CN204022601U (en) * | 2014-07-10 | 2014-12-17 | 无锡博美环境工程有限公司 | The micro-electrolysis advanced oxidation of MEO reactor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819596A (en) * | 2016-03-31 | 2016-08-03 | 广州绿日环保科技有限公司 | Device and method for treating wastewater by polybasic coal-iron-carbon |
| CN107176743A (en) * | 2017-05-05 | 2017-09-19 | 四川沃兹凯兰科技有限公司 | A kind of processing method of organic wastewater |
| CN108238689A (en) * | 2018-01-16 | 2018-07-03 | 航天凯天环保科技股份有限公司 | A kind of processing method of polymer flooding oily water |
| CN111533329A (en) * | 2020-04-27 | 2020-08-14 | 路德环境科技股份有限公司 | Method and system for treating oily wastewater |
| CN113912220A (en) * | 2021-11-17 | 2022-01-11 | 扬州优境环境工程有限公司 | Process for treating caprolactam ammoximation wastewater by hydrogen peroxide catalytic oxidation |
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Application publication date: 20160224 |