CN109264948A - Oil sludge harmless treatment plant and method - Google Patents
Oil sludge harmless treatment plant and method Download PDFInfo
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- CN109264948A CN109264948A CN201811111700.2A CN201811111700A CN109264948A CN 109264948 A CN109264948 A CN 109264948A CN 201811111700 A CN201811111700 A CN 201811111700A CN 109264948 A CN109264948 A CN 109264948A
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- heap body
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
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- Environmental & Geological Engineering (AREA)
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- Organic Chemistry (AREA)
- Biomedical Technology (AREA)
- Hydrology & Water Resources (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
A kind of oil sludge harmless treatment plant and method.Including biological heap body, aerating system, extraction system and exhaust gas processing device；Wherein, the aerating system includes aeration tube and air compressor machine, and equally distributed aperture is provided in the aeration tube；The extraction system includes that equally distributed aperture is provided on extraction tube described in extraction tube and vacuum pump；The biology heap body is piled into longitudal section after being mixed by smashed agricultural crop straw with greasy filth to be processed be that the trapezoidal figurate heap body of tool forms, and is laid with cement anti-seepage layer in the lower section of the biological heap body；The exhaust gas processing device includes active carbon, for adsorbing petroleum hydrocarbon gas.Secondary pollution is not generated during recovery technique simple process provided by the present invention, period are short and handled, and, crop waste stalk can be crushed and be doped in greasy filth, it not only solves agricultural crop straw and discards Utilizing question, and the porosity of soil is increased, required nutriment is provided for biological growth.
Description
Technical field
The present invention relates to one of environmental technology field greasy filth innoxious process for treating.
Background technique
In process of production, due to oil extraction, storage collects defeated, in processing and crude oil Produced Liquid treatment process in oil field
This partial sludge of the sludge of generation contains petroleum, referred to as greasy filth.It is broadly divided into: ground sludge, clear tank greasy filth, flotation dross
Deng.Oil-sludge treatment technology mature at present be divided into physical method based on solidification technology, solvent extraction processing technique and with
Incineration treatment technology, thermal cracking processing technique, hot water wash the chemical method based on processing technique.Wherein physical method, chemical method be all
Secondary addition chemical agent or the burning energy are wanted, secondary pollution is inevitably wanted.Agricultural crop straw refers to that removing is edible
Remaining major part crops after purpose crops.According to investigation, most area processing stalk is burning supply domestic energy,
Or on-site incineration.The efficiency of crop straw burning is very low, not only causes the significant wastage of stalk resource, but also two released of burning
Carbonoxide exacerbates greenhouse effects, and the harmful substances such as the nitrogen oxysulfide of generation and pellet also cause human health
Great threat.In the prior art, it there is no the processing method that high efficiency, low cost can be carried out to agricultural crop straw, there are no by crops
The method that stalk and greasy filth carry out mixed processing.
Summary of the invention
In order to solve the technical problems mentioned in the background art, the present invention provide a kind of oil sludge harmless treatment plant with
And method, crop waste stalk can be crushed and be doped in greasy filth using device and method, not only solve crops straw
Stalk discards Utilizing question, and increases the porosity of soil, and required nutriment is provided for biological growth, meanwhile, this
Kind of recovery technique simple process, period be short and treatment process in do not generate secondary pollution.
The technical scheme is that this kind of oil sludge harmless treatment plant, including biological heap body, aerating system, extracting
System and exhaust gas processing device；Wherein, the aerating system includes aeration tube and air compressor machine, is provided in the aeration tube and uniformly divides
The aperture of cloth, aperture are 3 millimeters, and pitch-row is 10 centimetres；The extraction system includes extraction tube and vacuum pump, on the extraction tube
It is provided with equally distributed aperture, 3 millimeters of aperture, pitch-row is 10 centimetres；It is described biology heap body by smashed agricultural crop straw with
It is that the trapezoidal figurate heap body of tool forms that longitudal section is piled into after greasy filth mixing to be processed, the height of the biology heap body
Degree is no more than 3 meters, and the occupied area of the biology heap body is no more than 100 square metres, is laid with water in the lower section of the biological heap body
Mud impervious barrier；The exhaust gas processing device includes active carbon, for adsorbing petroleum hydrocarbon gas；
The extraction tube is at least distributed 2 in the biological heap body, and the extracting entrance of the extraction tube gos deep into the biological heap
At 0.5 meter -1.5 meters away from top surface of body, the header of the extraction tube is connected by vacuum pump with exhaust gas processing device；It is percolated liquid pipe
Road protrudes into the biological heap body, is at 0.3 meter away from the cement anti-seepage layer height, the outlet of percolate pipeline connects diafiltration
Device；Aeration tube is laid in the lower inside of the biological heap body, and the gas access of aeration tube is connected with air compressor machine.
The greasy filth method for innocent treatment, includes the following steps:
Step 1 selects smooth 10 ㎡ -100 ㎡ of place, carries out Anti-seeping technology, is laid with antiseepage cloth；
Step 2 is mixed by 1:5 doping with by greasy filth to be processed after crushing crop waste stalk and is divided ground on the scene,
Biological agent comprising oil degradation bacteria successively uniformly sprays above sludge blanket；Greasy filth to be processed selected by this step is
Oil content is in 10% greasy filth to be processed or petroleum-contaminated soil below；
Aeration tube is laid in biological heap in netted, connects with air compressor machine by step 3；
Step 4 repeats step 23 times totally, is integrally formed one a height of 1.5 meters -3 meters, and longitudal section is trapezoidal biological heap body,
The fixing fabric structure of biological heap body is in 1000m3Hereinafter, the usage amount of biological agent is the 10% of greasy filth total amount to be processed；
Step 5 is formed by above biological heap body in step 4 and is uniformly distributed 2. -6 points, by extraction tube go deep into biological heap body away from
At the 0.5-1.5m of top surface, connect by vacuum pump with exhaust gas processing device；Built-in adsorbent in the exhaust gas processing device
For active carbon；
Step 6 in biological heap body at high 0.3m, is put into leachate collection pipeline, collects the diafiltration formed in treatment process
Liquid；
Step 7 adjusts the gas injection pressure and gas flow of air compressor machine and vacuum pump；Wherein, air compressor machine gas injection pressure adjusting range
Between 0.2 MPa ~ 0.3MPa, relatively stable rear mean value range adjusts gas flow between 0.24 MPa ~ 0.26MPa
For 4.2m3/ h opened the periodic running mode closed with 2 hours using 2 hours；Vacuum pump gas injection pressure adjusting range is 0.2
MPa ~ 0.3MPa, between 0.24 MPa ~ 0.26MPa, vacuum pump gas flow is relatively stable rear mean value range
4.2m3/ h opened the periodic running mode closed with 2 hours using 2 hours；
Step 8, so that the oxygen content of biological heap body is continuously maintained in 25%；Take having of volatilizing in biological heap body away using vacuum pump
The pernicious gas that machine object and Microorganism respiration generate, gas accesses exhaust gas processing device adsorption treatment after extracting；
Step 9 continuously runs at least six moon, until oil content is lower than on 3 ‰ after repairing.
The invention has the following beneficial effects: aeration-extraction systems that the present invention establishes, in the effect of original biological treatment
On, the volatilization of organic matter in soil is increased, the treatment effeciency of biological heap is improved；2. of the invention by crop waste straw powder
It is broken to be doped in greasy filth, it not only solves agricultural crop straw and discards Utilizing question, and increase the porosity of soil, for biology
Growth provides required nutriment；3. biological exhaust gas and petroleum appropriate hydrocarbon gas can be drawn to tail by extraction system of the present invention
Flash Gas Compression Skid System avoids the secondary pollution of petroleum hydrocarbon volatile matter and biological exhaust gas to air.
Detailed description of the invention:
Fig. 1 show the structural schematic diagram of device of the present invention.
In figure, 1- percolate collector, 2- percolate pipeline, 3- aeration tube, 4- extraction tube, 5- air compressor machine, 6- vacuum pump,
7- exhaust gas processing device.
Specific embodiment:
The present invention will be further explained below with reference to the attached drawings:
This kind of oil sludge harmless treatment plant, including biological heap body, aerating system, extraction system and exhaust gas processing device 7；Its
In, the aerating system includes aeration tube 3 and air compressor machine 5, and equally distributed aperture is provided in the aeration tube, and aperture is 3 millis
Rice, pitch-row are 10 centimetres；The extraction system includes extraction tube 4 and vacuum pump 6, is provided on the extraction tube equally distributed small
Hole, 3 millimeters of aperture, pitch-row are 10 centimetres；The biology heap body is mixed by smashed agricultural crop straw with greasy filth to be processed
Being piled into longitudal section afterwards is that the trapezoidal figurate heap body of tool forms, and the height of the biology heap body is described no more than 3 meters
The occupied area of biological heap body is no more than 100 square metres, is laid with cement anti-seepage layer in the lower section of the biological heap body；The tail gas
Processing unit includes active carbon, for adsorbing petroleum hydrocarbon gas；
The extraction tube is at least distributed 2 in the biological heap body, and the extracting entrance of the extraction tube gos deep into the biological heap
At 0.5 meter -1.5 meters away from top surface of body, the header of the extraction tube is connected by vacuum pump 6 with exhaust gas processing device 7；Percolate
Pipeline 2 protrudes into the biological heap body, is at 0.3 meter away from the cement anti-seepage layer height, the outlet of percolate pipeline 2 connects
Percolating device 7；Aeration tube 3 is laid in the lower inside of the biological heap body, and the gas access of aeration tube 3 is connected with air compressor machine 5
It connects.
The greasy filth method for innocent treatment, includes the following steps:
Step 1 selects smooth 10 ㎡ -100 ㎡ of place, carries out Anti-seeping technology, is laid with antiseepage cloth；
Step 2 is mixed by 1:5 doping with by greasy filth to be processed after crushing crop waste stalk and is divided ground on the scene,
Biological agent comprising oil degradation bacteria successively uniformly sprays above sludge blanket；Greasy filth to be processed selected by this step is
Oil content is in 10% greasy filth to be processed or petroleum-contaminated soil below；
Aeration tube is laid in biological heap in netted, connects with air compressor machine by step 3；
Step 4 repeats step 23 times totally, is integrally formed one a height of 1.5 meters -3 meters, and longitudal section is trapezoidal biological heap body,
The fixing fabric structure of biological heap body is in 1000m3Hereinafter, the usage amount of biological agent is the 10% of greasy filth total amount to be processed；
Step 5 is formed by above biological heap body in step 4 and is uniformly distributed 2. -6 points, by extraction tube go deep into biological heap body away from
At the 0.5-1.5m of top surface, connect by vacuum pump with exhaust gas processing device；Built-in adsorbent in the exhaust gas processing device
For active carbon；
Step 6 in biological heap body at high 0.3m, is put into leachate collection pipeline, collects the diafiltration formed in treatment process
Liquid；
Step 7 adjusts the gas injection pressure and gas flow of air compressor machine and vacuum pump；Wherein, air compressor machine gas injection pressure adjusting range
Between 0.2 MPa ~ 0.3MPa, relatively stable rear mean value range adjusts gas flow between 0.24 MPa ~ 0.26MPa
For 4.2m3/ h opened the periodic running mode closed with 2 hours using 2 hours；Vacuum pump gas injection pressure adjusting range is 0.2
MPa ~ 0.3MPa, between 0.24 MPa ~ 0.26MPa, vacuum pump gas flow is relatively stable rear mean value range
4.2m3/ h opened the periodic running mode closed with 2 hours using 2 hours；
Step 8, so that the oxygen content of biological heap body is continuously maintained in 25%；Take having of volatilizing in biological heap body away using vacuum pump
The pernicious gas that machine object and Microorganism respiration generate, gas accesses exhaust gas processing device adsorption treatment after extracting；
Step 9 continuously runs at least six moon, until oil content is lower than 3 ‰ after repairing.
The present invention is a kind of greasy filth or petroleum-contaminated soil showering technology, and greasy filth or contaminated soil are dug from Polluted area
It excavates and, be transported to the place for doing Anti-seeping technology, adulterated after waste crop straws are crushed with greasy filth to be processed, to biology
Microbial inoculum increases soil porosity while providing nutrition, is conducive to biological growth；Aeration-extraction system is added in biological heap, no
Only necessary oxygen can be provided to biology, additionally it is possible to petroleum hydrocarbon be volatilized from air-be extracted, going for petroleum hydrocarbon is accelerated
Except effect；Anti-seeping technology, increase percolate recovery tube, setting exhaust gas processing device are done in biological heap bottom, is guaranteed utmostly
Reduce the secondary pollution to air and soil.
When it is implemented, the bacteria agent in used biological agent includes oil degradation bacteria, fungi.Microbial inoculum is separation
The efficient function bacterium to be formed is tamed by functionalization by place, and wherein whether there is or not Chromobacterium, acinetobacter, production alkali for oil degradation Pseudomonas
Bacillus, Joint core Pseudomonas, bacillus, Chromobacterium, corynebacterium, Flavobacterium, Micrococcus, Microbacterium, spiral shell
Revolve shape Pseudomonas, streptomyces, vibrios, xanthomonas, actinomyces；Fungi have Acremonium, Aspergillus, golden basidiomycetes,
Candida, Blastocladia, Debaryomyces, Fusarium, Geotrichum, false yeast category, trichoderma, wheel branch category.Microbial inoculum is thrown
After adding, it is set quickly to be in logarithmic growth phase under growth promoter effect, a large amount of formation degradation cenobiums are with petroleum substance
Substrate, under oxygen participation effect, a part is converted into small-molecule substance, and by reactor at volatilization extracting one, a part is straight
Switch through and turn to the substances such as carbon dioxide and water, realizes the degradation of petroleum-type in biological heap body.
The example being embodied using the present invention is given below:
Embodiment 1
A, the smooth location for selecting 10m*10m carries out Anti-seeping technology to place, is laid with antiseepage cloth.
B, it is doped after crushing crop waste stalk with greasy filth to be processed (greasy filth oil content is 6%) and mixes (doping
Ratio is 1:5), it is divided on place, forming a height of section 0.5m is trapezoidal biological heap, by 5kg oil degradation
Bacterium (living bacteria count >=5,000,000,000/gram) be uniformly sprinkling upon above biological heap；
C, aeration tube 3 is laid on biological heap, forms connected reticular structure, connected in head end with air compressor machine 5；
D, it repeats b step 3 times, is integrally formed that a bottom surface is 9m*9m, a height of 2.0m, section are trapezoidal biological heap；
E, it is uniformly distributed above biological heap at 4 points, at extraction tube 4 deeply biological heap 0.8m, is filled with vacuum pump 6 and vent gas treatment
7 are set to connect；
F, it is put into leachate collection pipeline 2 at the high 0.3m in ground in biological heap, and accesses percolate returnable 1；
The aerating system includes aeration tube, air compressor machine.Aeration tube: the diameter for being uniformly distributed aperture is the PPR material of 20mm
(aperture 3mm, pitch-row 10cm).Air compressor machine: gas injection pressure is 0.35MPa (relatively stable rear mean value about 0.30MPa), gas injection stream
Amount is 4.2m3/ h, 2hon ~ 2hoff periodic running；
The extraction system includes vacuum pump, extraction tube.Vacuum pump: with air compressor machine run simultaneously, gas injection pressure be 0.2 ~
0.3MPa (relatively stable rear mean value about 0.24 ~ 0.26MPa), gas flow 4.2m3/h；Extraction tube: it is uniformly distributed aperture
Diameter be 20mm PPR material (aperture 3mm, pitch-row 10cm)；
Adsorbent in the exhaust gas processing device is active carbon, which can effectively adsorb the gases such as petroleum hydrocarbon, no
Air secondary is caused to pollute.
Primary sludge oil content is 10.36%, and by this experiment after operation 4 weeks, greasy filth content is down to 2.33%；Operation
After 8 weeks, greasy filth content is down to 1.06%；After running 12 weeks, greasy filth oil content is down to 0.61%；After running 16 weeks, greasy filth content drop
To 0.39；After running 20 weeks, greasy filth oil content is down to 0.28%；After running 24 weeks, greasy filth content is down to 0.23%.
Claims (2)
1. a kind of oil sludge harmless treatment plant, it is characterised in that: including biological heap body, aerating system, extraction system and tail gas
Processing unit (7)；Wherein, the aerating system includes aeration tube (3) and air compressor machine (5), is provided in the aeration tube and uniformly divides
The aperture of cloth, aperture are 3 millimeters, and pitch-row is 10 centimetres；The extraction system includes extraction tube (4) and vacuum pump (6), the pumping
It mentions and is provided with equally distributed aperture on pipe, 3 millimeters of aperture, pitch-row is 10 centimetres；The biology heap body is by smashed crops
Stalk is piled into longitudal section after mixing with greasy filth to be processed be that the trapezoidal figurate heap body of tool forms, the biology heap
The height of body is no more than 3 meters, and the occupied area of the biology heap body is no more than 100 square metres, in the lower section of the biological heap body
It is laid with cement anti-seepage layer；The exhaust gas processing device includes active carbon, for adsorbing petroleum hydrocarbon gas；
The extraction tube is at least distributed 2 in the biological heap body, and the extracting entrance of the extraction tube gos deep into the biological heap
At 0.5 meter -1.5 meters away from top surface of body, the header of the extraction tube is connected by vacuum pump (6) with exhaust gas processing device (7)；It seeps
Filtrate conduit (2) protrudes into the biological heap body, is at 0.3 meter away from the cement anti-seepage layer height, percolate pipeline (2)
Outlet connection percolating device (7)；Aeration tube (3) is laid in the lower inside of the biological heap body, the gas access of aeration tube (3)
It is connected with air compressor machine (5).
2. a kind of greasy filth method for innocent treatment, includes the following steps:
Step 1 selects smooth 10 ㎡ -100 ㎡ of place, carries out Anti-seeping technology, and hardening of cement is simultaneously laid with antiseepage cloth；
Step 2 is mixed by 1:5 doping with by greasy filth to be processed after crushing crop waste stalk and is divided ground on the scene,
Biological agent comprising oil degradation bacteria successively uniformly sprays above sludge blanket；Greasy filth to be processed selected by this step is
Oil content is in 10% greasy filth to be processed or petroleum-contaminated soil below；
Aeration tube is laid in biological heap in netted, connects with air compressor machine by step 3；
Step 4 repeats step 23 times totally, is integrally formed one a height of 1.5 meters -3 meters, and longitudal section is trapezoidal biological heap body,
The fixing fabric structure of biological heap body is in 1000m3Hereinafter, the usage amount of biological agent is the 10% of greasy filth total amount to be processed；
Step 5 is formed by above biological heap body in step 4 and is uniformly distributed 2. -6 points, by extraction tube go deep into biological heap body away from
At the 0.5-1.5m of top surface, connect by vacuum pump with exhaust gas processing device；Built-in adsorbent in the exhaust gas processing device
For active carbon；
Step 6 in biological heap body at high 0.3m, is put into leachate collection pipeline, collects the diafiltration formed in treatment process
Liquid；
Step 7 adjusts the gas injection pressure and gas flow of air compressor machine and vacuum pump；Wherein, air compressor machine gas injection pressure adjusting range
Between 0.2 MPa ~ 0.3MPa, relatively stable rear mean value range adjusts gas flow between 0.24 MPa ~ 0.26MPa
For 4.2m3/ h opened the periodic running mode closed with 2 hours using 2 hours；Vacuum pump gas injection pressure adjusting range is 0.2
MPa ~ 0.3MPa, between 0.24 MPa ~ 0.26MPa, vacuum pump gas flow is relatively stable rear mean value range
4.2m3/ h opened the periodic running mode closed with 2 hours using 2 hours；
Step 8, so that the oxygen content of biological heap body is continuously maintained in 25%；Take having of volatilizing in biological heap body away using vacuum pump
The pernicious gas that machine object and Microorganism respiration generate, gas accesses exhaust gas processing device adsorption treatment after extracting；
Step 9 continuously runs at least six moon, until oil content is lower than 3 ‰ after repairing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811111700.2A CN109264948A (en) | 2018-09-24 | 2018-09-24 | Oil sludge harmless treatment plant and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811111700.2A CN109264948A (en) | 2018-09-24 | 2018-09-24 | Oil sludge harmless treatment plant and method |
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ID=65197321
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| CN201811111700.2A Pending CN109264948A (en) | 2018-09-24 | 2018-09-24 | Oil sludge harmless treatment plant and method |
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| CN110314930A (en) * | 2019-07-23 | 2019-10-11 | 森特士兴集团股份有限公司 | A kind of oil-polluted soils gas phase extracting and biological heap combine repair system |
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| CN112676337A (en) * | 2019-10-18 | 2021-04-20 | 中国石油天然气集团有限公司 | Soil microorganism restoration agent collection, amplification and cyclic utilization integrated device and method |
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| CN114472503A (en) * | 2020-11-13 | 2022-05-13 | 新疆大学 | Composite remediation method for soil polluted by leaky petroleum |
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| CN112676337A (en) * | 2019-10-18 | 2021-04-20 | 中国石油天然气集团有限公司 | Soil microorganism restoration agent collection, amplification and cyclic utilization integrated device and method |
| CN112676337B (en) * | 2019-10-18 | 2023-02-10 | 中国石油天然气集团有限公司 | Soil microorganism restoration agent collection, amplification and cyclic utilization integrated device and method |
| CN111115992A (en) * | 2019-12-27 | 2020-05-08 | 东北石油大学 | Oily sludge treatment process and integrated treatment device |
| CN114472503A (en) * | 2020-11-13 | 2022-05-13 | 新疆大学 | Composite remediation method for soil polluted by leaky petroleum |
| CN114477674A (en) * | 2022-02-15 | 2022-05-13 | 江苏博大环保股份有限公司 | Oil sludge bioremediation system |
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Application publication date: 20190125 |