CN104129874A - Method for treating sewage in refined oil store - Google Patents
Method for treating sewage in refined oil store Download PDFInfo
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- CN104129874A CN104129874A CN201410395377.1A CN201410395377A CN104129874A CN 104129874 A CN104129874 A CN 104129874A CN 201410395377 A CN201410395377 A CN 201410395377A CN 104129874 A CN104129874 A CN 104129874A
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Abstract
The invention relates to a method for treating sewage in a refined oil store, and is mainly used foe solving the problem that the sewage in the refined oil store is difficult to treat in the prior art. The problem is well solved through the technical scheme that the method for treating the sewage in the refined oil store comprises the steps that the sewage in the refined oil store is sequentially treated in a pre-filtration separator, a primary coalescing separator, a secondary coalescing separator and an electric adsorption reactor, then the effluent contains less than or equal to 1.0mg/L of petroleum, and the COD of the effluent is less than or equal to 50mg/L, wherein a filter element is arranged in the pre-filtration separator, a high-density structured packing is filled in the primary coalescing separator, a coalescing filter element is arranged in the secondary coalescing separator, and active carbon granules and inert particles are filled between the negative and positive electrodes of the electric adsorption reactor. The method can be applied to treatment of oily sewage.
Description
Technical field
The present invention relates to a kind for the treatment of process of product oil storage field sewage.
Background technology
Product oil storage field sewage mainly comprises tank cleaning water, unloads hair oil district wash-down water, water and early-stage rainwater etc. are cut in top water pot draining, oil tank, the feature such as have that the water yield changes greatly, complicated component, discharge are discontinuous, its principal pollutant are chemical oxygen demand (COD) (COD), petroleum-type and suspended substance (SS).According to environmental requirement, the sewage that oil depot produces in operation process should carry out collection and treatment qualified discharge.From actual investigation situation, product oil storage field is all provided with oil trap, and sewage disposal device single by air supporting, coalescent, filtration, absorption etc. or that combination process forms has been set up in part reservoir area.However, raising day by day along with emission standard, product oil storage field sewage will face a difficult problem for qualified discharge, former because: the techniques such as oil removal, filtration and air supporting are disposed mainly for petroleum-type pollutent, important indicator COD clearance to water body organic contamination is limited, can not reach emission standard (< < integrated wastewater discharge standard GB8978-1996 > > is COD≤100mg/L, and some areas emission standard is COD≤60mg/L or COD≤50mg/L); Though conventional absorbing process can be processed COD, because the loading capacity of sorbing material is limited, the problem of saturated inefficacy often occurs, and need frequently change, and can not meet service requirements.To sum up, should be in conjunction with water quality and quantity feature in product oil storage field waste water control, emphasis is considered the problem of COD processing efficiency, and develop on this basis efficient oil depot sewage disposal Integration Equipment, that product oil storage field is met to environmental requirement is significant.
Patent of invention " oil conte, sewage treatment device and technique " (number of patent application: 200510066275.6) disclose the sewage disposal technology that a kind of air supporting and membrane separation process combine, this technique has higher clearance to petroleum-type pollutent, but this device needs to add coagulating agent and coagulant aids in operational process, cause producing a large amount of chemical sludges, cannot reclaim waste oil simultaneously, and need regularly membrane element to be carried out to backwash and matting, have the problem of complicated operation and secondary pollution.Utility model patent " light oil polluted water integrated processing apparatus " (application number: the treatment unit that 2005201138392.2) discloses a kind of product oil storage field sewage, this device is comprised of tilted plate separator, buffer tank, strainer, coalescing separator and adsorber, the problem that the waste oil that this device solves reclaims, but sorbent material easily saturated, change frequently, can not guarantee COD qualified discharge.
In fact, there is following problem in product oil storage field sewage disposal: one, treatment process reply COD and petroleum-type all have higher removal efficiency.Biochemical treatment is to remove one of effective means of COD, but the fluctuation of the oil depot sewage water yield large, discharge discontinuous and the cycle is indefinite, cannot meet microorganism growth demand; Tradition absorbing process loading capacity is little, the easy saturated inefficacy of sorbing material.They are two years old, treatment process should be take physical chemistry method as main, but should not add chemical agent, to reduce the workloads such as medicament preparation, dissolving, metering and to dispose the secondary pollution problem that chemical sludge brings, so the technique such as air supporting, coagulating sedimentation is not suitable for oil depot waste water control.Its three, process in equipment layout should be integrated, integrated so that transportation is installed, upper can the realization of operation opened and stopped, and in operation, can adapt to load impact, water outlet should meet national and local existing emission standard, and provides part surplus for following standard upgrade.Therefore, take and meet above-mentioned condition as object, the efficient product oil storage field waste disposal plant of development of new is significant.
Summary of the invention
Technical problem to be solved by this invention is the problem that prior art is difficult to process product oil storage field sewage, and a kind for the treatment of process of new product oil storage field sewage is provided.The method, for the processing of oily(waste)water, has advantages of that product oil storage field good sewage processing effect, petroleum-type and COD clearance are high.
For addressing the above problem, the technical solution used in the present invention is as follows: a kind for the treatment of process of product oil storage field sewage, product oil storage field sewage obtains the petroleum-type≤1.0mg/L of water outlet, COD≤50mg/L successively after pre-filtering separator, one-level coalescing separator, secondary coalescing separator, Galvanosorptive reaction device; Wherein, load filter core in pre-filtering separator, one-level coalescing separator is loaded high-density structured packing, loads Coalescence filter core in secondary coalescing separator, loads activated carbon granule and inert particle between the anodic-cathodic of Galvanosorptive reaction device.
In technique scheme, preferably, described product oil storage field sewage enters pre-filtering separator after oil trap; Pre-filtering separator, one-level coalescing separator, secondary coalescing separator, Galvanosorptive reaction device and control panel are integrated on a skid base.
In technique scheme, preferably, the filter core material of loading in described pre-filtering separator is at least one in glass fibre or macromolecular material.
In technique scheme, more preferably, the macromolecular material that the filter core of loading in described pre-filtering separator is selected is polyethylene or polyacrylonitrile, and filtering accuracy is 20-200 μ m.
In technique scheme, preferably, the high-density structured packing material that described one-level coalescing separator is loaded is polypropylene, pottery or stainless steel, and the inclination angle of structured packing is 30-45 °, and ripple spacing is 10-100mm.
In technique scheme, preferably, the Coalescence filter core of loading in described secondary coalescing separator consists of support frame and modified polymer material.
In technique scheme, more preferably, described modified polymer material is polypropylene or polyacrylonitrile, and the method for modification is hydrolysis or grafting.
In technique scheme, preferably, described Galvanosorptive reaction device anode adopts graphite, boron-doped diamond, activated carbon fiber or metal oxide electrode, and negative electrode adopts graphite, activated carbon fiber or metal electrode, and the polar plate spacing at negative and positive the two poles of the earth is 20-200mm; Selected gac is column or particulate state, the diameter 2-8mm of columnar activated carbon wherein, and length is 4-10mm; The particle diameter of granulated active carbon is 2-8mm; The material of selected inert particle is quartz sand, haydite or nut-shell, and particle diameter is 2-8mm; Proportioning between gac and inert particle is not less than 1:2, and both are not less than 1/2 of adsorptive reactor volume by total packing volume; The residence time of sewage in Galvanosorptive reaction device is 10-60min.
In technique scheme, preferably, it is 1-10V that described Galvanosorptive reaction device inherence goes out the absorption voltage applying in water treatment procedure, and the voltage in activated carbon particles regenerative process is 10-30V, and the recovery time is 20-120min.
In technique scheme, preferably, the upper end of described pre-filtering separator, one-level coalescing separator, secondary coalescing separator is equipped with collection chamber.
Adopt method of the present invention, Galvanosorptive reaction device is between anodic-cathodic, to introduce activated carbon particles and inert particle, under electric field action, activated carbon particles is equivalent to the numerous adsorbing microelectrode that has, and in sewage treatment process, pollutent, on microelectrode surface, continuous adsorption-electrolytic process occurs.Under the effect of electric field, the loading capacity of gac can increase 2-10 doubly, can guarantee the efficient removal of petroleum-type and COD.After gac is saturated, can under dynamic or static conditions, improve the bath voltage of negative and positive two interpolars, the organism of charcoal absorption is strengthened to decomposition, realize the regeneration of gac.Method of the present invention makes product oil storage field good sewage processing effect, petroleum-type and COD clearance high, can realize the two up to standard of petroleum-type in the water outlet of product oil storage field sewage and COD, without adding chemical agent, without disposing sludge, non-secondary pollution problem, the method has solved that charcoal absorption capacity is little, the easy problem of saturated, difficult life, can realize open stop, integrated and integrated, be convenient to transportation and install, having obtained good technique effect.
Below by embodiment, the invention will be further elaborated, but be not limited only to the present embodiment.
Embodiment
[embodiment 1]
Product oil storage field sewage is after oil trap, and water outlet is pre-filtering separator, one-level coalescing separator, secondary coalescing separator, Galvanosorptive reaction device successively.
In pre-filtering separator, load filter core, filter core material is macromolecular material, and macromolecular material is polyethylene, and filtering accuracy is 20 μ m.In pre-filtering separator, on the one hand a small amount of oil slick directly rises to separator top and is removed, and fine particulates is tackled by filter core on the other hand, for the normal operation of follow-up coalescent deoiling unit provides safeguard.
One-level coalescing separator is loaded special high-density structured packing, utilize filler to the different characteristic of profit two-phase avidity, make oil droplet be caught and be stranded in filling surface and space by filler and form oil film, when oil film increases to certain thickness, under the effects such as buoyancy or sluicing, come off and form compared with larger oil droplet, float up to collection chamber and realize oily water separation.The material of special structured packing is polypropylene, and the inclination angle of filler is 30 °, and ripple spacing is 10mm.
In secondary coalescing separator, load Coalescence filter core, Coalescence filter core consists of support frame and modified hydrophilic macromolecular material, the macromolecular material of modification is polypropylene, the method of modification is hydrolysis, the characteristic with hydrophilic oleophobic, dispersed oil and part oil in water emulsion are agglomerated into larger oil droplet in the secondary coalescing separator process of flowing through, and float up to collection chamber and realize oily water separation.
In absorption reaction process in Galvanosorptive reaction device, applying groove voltage is 1.5V, and anode and cathode all adopts Graphite Electrodes, polar plate spacing is 20mm, loads columnar activated carbon, and diameter is 2mm, length is 6mm, inert particle is quartz sand, particle diameter average out to 2mm, and the proportioning between columnar activated carbon and inert particle is 9:1, packing volume be Galvanosorptive reaction body long-pending 2/3, the residence time is 60min, and the bath voltage in regenerative process is 10V, and the recovery time is 120min.
After pre-filtering separator, one-level coalescing separator, secondary coalescing separator are processed, petroleum-type concentration is 33mg/L, and COD concentration is 182mg/L; After Galvanosorptive reaction device continues to process, water outlet petroleum-type≤1.0mg/L, COD≤50mg/L.
[embodiment 2]
According to condition and the step described in embodiment 1, in pre-filtering separator, load filter core, filter core material is glass fibre.One-level coalescing separator is loaded special high-density structured packing, material be pottery, the inclination angle of filler is 45 °, ripple spacing is 100mm.Modified polymer material in the Coalescence filter core of loading in secondary coalescing separator is polyacrylonitrile, and the method for modification is grafting.In absorption reaction process in Galvanosorptive reaction device, applying groove voltage is 5V, and negative electrode adopts carbon steel electrode, anode adopts Graphite Electrodes, polar plate spacing is 100mm, loads columnar activated carbon, and diameter is 6mm, length is 10mm, inert particle is haydite, particle diameter average out to 4mm, the proportioning 1:1 between columnar activated carbon and inert particle, packing volume be Galvanosorptive reaction body long-pending 3/4, the residence time is 20min.Bath voltage in regenerative process is 30V, and the recovery time is 20min.
After pre-filtering separator, one-level coalescing separator, secondary coalescing separator are processed, petroleum-type concentration is 48mg/L, and COD concentration is 164mg/L; After Galvanosorptive reaction device continues to process, water outlet petroleum-type≤1.0mg/L, COD≤50mg/L.
[embodiment 3]
According to condition and the step described in embodiment 1, in pre-filtering separator, load filter core, filter core material is glass fibre and macromolecular material, and macromolecular material is polyacrylonitrile, and filtering accuracy is 200 μ m.One-level coalescing separator is loaded special high-density structured packing, and material is stainless steel, and the inclination angle of filler is 40 °, and ripple spacing is 50mm.Modified polymer material in the Coalescence filter core of loading in secondary coalescing separator is polyacrylonitrile, and the method for modification is grafting.In absorption reaction process in Galvanosorptive reaction device; applying groove voltage is 10V, and negative electrode adopts carbon steel electrode, and anode adopts Graphite Electrodes; polar plate spacing is 100mm; load granulated active carbon, particle diameter average out to 3mm, inert particle is nut-shell; particle diameter average out to 3mm; proportioning between columnar activated carbon and inert particle is 7:3, packing volume be Galvanosorptive reaction body long-pending 1/2, the residence time is 40min.Bath voltage in regenerative process is 20V, and the recovery time is 60min.
After pre-filtering separator, one-level coalescing separator, secondary coalescing separator are processed, petroleum-type concentration is 38mg/L, and COD concentration is 186mg/L; After Galvanosorptive reaction device continues to process, water outlet petroleum-type≤1mg/L, COD≤50mg/L.
[embodiment 4]
According to condition and the step described in embodiment 1, in pre-filtering separator, load filter core, filter core material is glass fibre and macromolecular material, and macromolecular material is polyacrylonitrile, and filtering accuracy is 50 μ m.In absorption reaction process in Galvanosorptive reaction device; applying groove voltage is 8V, and negative electrode adopts activated carbon fiber, and anode adopts activated carbon fiber; polar plate spacing is 70mm; load granulated active carbon, particle diameter average out to 8mm, inert particle is nut-shell; particle diameter average out to 8mm; proportioning between columnar activated carbon and inert particle is 7:3, packing volume be Galvanosorptive reaction body long-pending 5/7, the residence time is 10min.Bath voltage in regenerative process is 20V, and the recovery time is 20min.
After pre-filtering separator, one-level coalescing separator, secondary coalescing separator are processed, petroleum-type concentration is 24mg/L, and COD concentration is 122mg/L; After Galvanosorptive reaction device continues to process, water outlet petroleum-type≤1mg/L, COD≤50mg/L.
[embodiment 5]
According to condition and the step described in embodiment 4, just the negative electrode in Galvanosorptive reaction device adopts stainless steel electrode, and anode adopts tin dioxide coating on titanium electrode.
After pre-filtering separator, one-level coalescing separator, secondary coalescing separator are processed, petroleum-type concentration is 12mg/L, and COD concentration is 96mg/L; After Galvanosorptive reaction device continues to process, water outlet petroleum-type≤1mg/L, COD≤50mg/L.
Claims (10)
1. a treatment process for product oil storage field sewage, product oil storage field sewage obtains the petroleum-type≤1.0mg/L of water outlet, COD≤50mg/L successively after pre-filtering separator, one-level coalescing separator, secondary coalescing separator, Galvanosorptive reaction device; Wherein, load filter core in pre-filtering separator, one-level coalescing separator is loaded high-density structured packing, loads Coalescence filter core in secondary coalescing separator, loads activated carbon granule and inert particle between the anodic-cathodic of Galvanosorptive reaction device.
2. the treatment process of product oil storage field sewage according to claim 1, is characterized in that described product oil storage field sewage enters pre-filtering separator after oil trap; Pre-filtering separator, one-level coalescing separator, secondary coalescing separator, Galvanosorptive reaction device and control panel are integrated on a skid base.
3. the treatment process of product oil storage field sewage according to claim 1, is characterized in that the filter core material of loading in described pre-filtering separator is at least one in glass fibre or macromolecular material.
4. the treatment process of product oil storage field sewage according to claim 3, the macromolecular material that the filter core that it is characterized in that loading in described pre-filtering separator is selected is polyethylene or polyacrylonitrile, filtering accuracy is 20-200 μ m.
5. the treatment process of product oil storage field sewage according to claim 1, it is characterized in that the high-density structured packing material that described one-level coalescing separator is loaded is polypropylene, pottery or stainless steel, the inclination angle of structured packing is 30-45 °, and ripple spacing is 10-100mm.
6. the treatment process of product oil storage field sewage according to claim 1, is characterized in that the Coalescence filter core of loading in described secondary coalescing separator consists of support frame and modified polymer material.
7. the treatment process of product oil storage field sewage according to claim 6, is characterized in that described modified polymer material is polypropylene or polyacrylonitrile, and the method for modification is hydrolysis or grafting.
8. the treatment process of product oil storage field sewage according to claim 1, it is characterized in that described Galvanosorptive reaction device anode adopts graphite, boron-doped diamond, activated carbon fiber or metal oxide electrode, negative electrode adopts graphite, activated carbon fiber or metal electrode, and the polar plate spacing at negative and positive the two poles of the earth is 20-200mm; Selected gac is column or particulate state, the diameter 2-8mm of columnar activated carbon wherein, and length is 4-10mm; The particle diameter of granulated active carbon is 2-8mm; The material of selected inert particle is quartz sand, haydite or nut-shell, and particle diameter is 2-8mm; Proportioning between gac and inert particle is not less than 1:2, and both are not less than 1/2 of adsorptive reactor volume by total packing volume; The residence time of sewage in Galvanosorptive reaction device is 10-60min.
9. the treatment process of product oil storage field sewage according to claim 1, it is characterized in that it is 1-10V that described Galvanosorptive reaction device inherence goes out the absorption voltage applying in water treatment procedure, voltage in activated carbon particles regenerative process is 10-30V, and the recovery time is 20-120min.
10. the treatment process of product oil storage field sewage according to claim 1, is characterized in that the upper end of described pre-filtering separator, one-level coalescing separator, secondary coalescing separator is equipped with collection chamber.
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| CN201410395377.1A CN104129874B (en) | 2014-05-30 | 2014-08-12 | The treatment process of product oil storage field sewage |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776607A (en) * | 2016-03-25 | 2016-07-20 | 上海优华系统集成技术股份有限公司 | Tower top oil-water separation system of fractionating tower and treatment method of tower top oil-water separation system |
| CN110386680A (en) * | 2018-04-19 | 2019-10-29 | 中国石油化工股份有限公司 | Product oil storage field sewage integrated treatment device |
| CN111689643A (en) * | 2019-03-15 | 2020-09-22 | 中国石油化工股份有限公司 | Treatment method for oily sewage of finished oil depot |
| CN115571954A (en) * | 2022-11-18 | 2023-01-06 | 中国科学院合肥物质科学研究院 | Capacitive deionization adsorption electrode and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11114304A (en) * | 1997-10-09 | 1999-04-27 | Orion Mach Co Ltd | Apparatus for separating oil and water and separation of oil and water |
| CN201581010U (en) * | 2009-05-06 | 2010-09-15 | 中山大学 | Clamp slot type activated carbon fiber electrode capacitance adsorption deionizing device |
| CN202072569U (en) * | 2011-04-13 | 2011-12-14 | 成都凯迈科技有限公司 | Oilfield sewage treatment device |
| CN102311201A (en) * | 2010-07-07 | 2012-01-11 | 中国石油化工股份有限公司 | Advanced treatment method for high-acid crude oil electric desalting wastewater |
| CN102442746A (en) * | 2010-10-12 | 2012-05-09 | 中国石油化工股份有限公司 | Method for recycling high acid crude oil electric desalting wastewater |
| CN102464413A (en) * | 2010-10-28 | 2012-05-23 | 浙江瑞普环境技术有限公司 | Process for treating oil-containing waste water for ship |
-
2014
- 2014-08-12 CN CN201410395377.1A patent/CN104129874B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11114304A (en) * | 1997-10-09 | 1999-04-27 | Orion Mach Co Ltd | Apparatus for separating oil and water and separation of oil and water |
| CN201581010U (en) * | 2009-05-06 | 2010-09-15 | 中山大学 | Clamp slot type activated carbon fiber electrode capacitance adsorption deionizing device |
| CN102311201A (en) * | 2010-07-07 | 2012-01-11 | 中国石油化工股份有限公司 | Advanced treatment method for high-acid crude oil electric desalting wastewater |
| CN102442746A (en) * | 2010-10-12 | 2012-05-09 | 中国石油化工股份有限公司 | Method for recycling high acid crude oil electric desalting wastewater |
| CN102464413A (en) * | 2010-10-28 | 2012-05-23 | 浙江瑞普环境技术有限公司 | Process for treating oil-containing waste water for ship |
| CN202072569U (en) * | 2011-04-13 | 2011-12-14 | 成都凯迈科技有限公司 | Oilfield sewage treatment device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776607A (en) * | 2016-03-25 | 2016-07-20 | 上海优华系统集成技术股份有限公司 | Tower top oil-water separation system of fractionating tower and treatment method of tower top oil-water separation system |
| CN110386680A (en) * | 2018-04-19 | 2019-10-29 | 中国石油化工股份有限公司 | Product oil storage field sewage integrated treatment device |
| CN111689643A (en) * | 2019-03-15 | 2020-09-22 | 中国石油化工股份有限公司 | Treatment method for oily sewage of finished oil depot |
| CN111689643B (en) * | 2019-03-15 | 2022-07-05 | 中国石油化工股份有限公司 | Treatment method for oily sewage of finished oil depot |
| CN115571954A (en) * | 2022-11-18 | 2023-01-06 | 中国科学院合肥物质科学研究院 | Capacitive deionization adsorption electrode and preparation method thereof |
| CN115571954B (en) * | 2022-11-18 | 2023-03-07 | 中国科学院合肥物质科学研究院 | Capacitive deionization adsorption electrode and preparation method thereof |
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Effective date of registration: 20221118 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sinopec Safety Engineering Research Institute Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: SINOPEC Research Institute OF SAFETY ENGINEERING |
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