CN112592012A - Water washing and degradation treatment process for oily sludge - Google Patents
Water washing and degradation treatment process for oily sludge Download PDFInfo
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- CN112592012A CN112592012A CN202011322891.4A CN202011322891A CN112592012A CN 112592012 A CN112592012 A CN 112592012A CN 202011322891 A CN202011322891 A CN 202011322891A CN 112592012 A CN112592012 A CN 112592012A
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- 239000010802 sludge Substances 0.000 title claims abstract description 47
- 238000005406 washing Methods 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 230000015556 catabolic process Effects 0.000 title claims abstract description 23
- 238000006731 degradation reaction Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 18
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- 230000000813 microbial effect Effects 0.000 claims abstract description 25
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- 239000007788 liquid Substances 0.000 claims abstract description 14
- 230000000593 degrading effect Effects 0.000 claims abstract description 13
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- 238000003756 stirring Methods 0.000 claims abstract description 10
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- 230000000694 effects Effects 0.000 claims abstract description 8
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- 238000004064 recycling Methods 0.000 claims abstract description 5
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- 239000003795 chemical substances by application Substances 0.000 claims description 23
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- 239000002245 particle Substances 0.000 claims description 12
- 239000007790 solid phase Substances 0.000 claims description 11
- 239000003153 chemical reaction reagent Substances 0.000 claims description 8
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- 235000014469 Bacillus subtilis Nutrition 0.000 claims description 6
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 6
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- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical group C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims description 4
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Classifications
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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
-
- 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
-
- 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
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/127—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Abstract
A process for washing and degrading oily sludge comprises separating solid impurities larger than 5mm, and feeding into a high-temperature pyrolysis system; stirring and homogenizing the separated oil sludge with the diameter less than 5mm to fluidize the oil sludge, introducing the fluidized oil sludge into a water washing tank, and adjusting the solid content of the oil sludge in the water washing tank to 28-35%; then adding a bio-based medicament into a water washing tank, fully stirring, standing for layering, scraping upper-layer floating oil, storing the floating oil into a residue oil tank, and separating and purifying residual oil; and finally, pumping the solid-liquid mixture from which the floating oil is removed in the water washing tank into a vertical scraper centrifuge, treating the solid-liquid mixture by the centrifuge, storing the sewage into a sewage tank for recycling, and storing the treated solid slag into a bioremediation area for performing terminal microbial degradation treatment. The method has the advantages of low treatment cost, obvious effect, thorough treatment, no secondary pollution after treatment and realization of harmless treatment and resource utilization of the oily sludge.
Description
Technical Field
The invention belongs to the field of oil field environmental protection, and particularly relates to a process for washing and degrading oily sludge.
Background
Pollution and omission accidents in the processes of petroleum exploitation, smelting, use and transportation, oil-containing wastewater discharge, sewage irrigation, volatilization of various petroleum products, falling of incomplete combustion products, removal of abandoned well sites, chemical engineering and refining enterprises and the like all cause a series of soil petroleum hydrocarbon pollution problems. Some petroleum hydrocarbons enter animal body and have carcinogenic, teratogenic and mutagenic effects on mammals and human beings. Severe contamination of soil can cause certain components of petroleum hydrocarbons to accumulate in the grain, affecting the quality of the grain, and through the food chain, endangering human health.
The common treatment method of the oily sludge comprises the following steps: solvent extraction, incineration, biological processes, coking, oil-containing sludge profile control, and the like. However, the method has the defects of high treatment cost, low treatment capacity, insignificant treatment effect, incomplete treatment or secondary pollution caused by treatment and the like, and generally only can realize reduction treatment of the oily sludge and cannot realize harmless treatment and resource utilization.
Disclosure of Invention
Aiming at the problems, the invention provides a water washing and degrading treatment process for oil-containing sludge, which has the advantages of low treatment cost, high treatment capacity, obvious treatment effect, thorough treatment and no secondary pollution after treatment, and can realize harmless treatment and resource utilization of the oil-containing sludge.
The technical scheme adopted by the invention is as follows:
a process for washing and degrading oily sludge comprises the following steps:
step one, system sorting, namely separating solid-phase impurities with the diameter of oily sludge particles larger than 5mm, and treating the solid-phase impurities in a high-temperature pyrolysis system;
step two, tempering and fluidizing, namely stirring and homogenizing the sorted oil sludge with the diameter smaller than 5mm to fluidize the oil sludge, guiding the fluidized oil sludge into a water washing tank, and adjusting the solid content of the oil sludge in the water washing tank to 28-35%;
adding a reagent into a water washing tank, adding a bio-based reagent into the water washing tank, fully stirring, standing for layering, scraping upper-layer floating oil, storing the floating oil into a residue oil tank, and separating and purifying residual oil;
and step four, solid-liquid separation, namely pumping the solid-liquid mixture from which the floating oil is removed in the washing tank into a vertical scraper centrifuge, treating the solid-liquid mixture by the centrifuge, storing the sewage into a sewage tank for recycling, storing the treated solid slag into a bioremediation area, and performing end microbial degradation treatment, wherein the degraded soil can be subjected to agriculture and forestry re-cultivation.
Further, the terminal microbial degradation treatment comprises the following steps:
step 1: crushing and screening, namely crushing and screening the solid soil residues by using a screen, reserving the solid soil residues with the particle size of less than 5mm, and crushing soil blocks with the particle size of more than 5mm and then performing terminal microbial degradation;
step 2: piling up soil, piling up the screened soil solid residues to a restoration area, leveling, sprinkling water until the soil humidity is more than 30%, and standing for 1-3 days;
and step 3: c, applying the microbial inoculum, uniformly applying the microbial soil remediation agent on the surface layer of the solid residues of the polluted soil after the solid residues of the soil are kept still for 1-3 days in the step 2, and ploughing the solid residues of the polluted soil by using a ploughing machine after the application is finished, so that the microbial soil remediation agent and the solid residues of the polluted soil are fully mixed, the degradation is started, and the daily maintenance is carried out;
and 4, step 4: and (4) sampling and detecting, namely periodically sampling and detecting the restored soil during the restoration period, and analyzing the oil content and microbial biomass change of the soil so as to restore the activity of the soil after the restoration reaches the standard, terminate the restoration and carry out agriculture and forestry re-cultivation.
Further, the bio-based agent is a humic acid product produced by fermenting straw lignocellulose agricultural and forestry waste serving as a raw material, and is used for quickly separating oil phase, water phase and solid phase of oil sludge at normal temperature.
Further, the soil remediation agent comprises, by weight, 3-10 parts of yeast powder, 1-5 parts of glucose, 3-10 parts of plant ash, 0.1-0.3 part of biological enzyme, 2-7 parts of azotobacter and 2-7 parts of bacillus subtilis.
Further, the soil remediation agent comprises, by weight, 5 parts of yeast powder, 3 parts of glucose, 6 parts of plant ash, 0.2 part of biological enzyme, 4 parts of azotobacter and 5 parts of bacillus subtilis.
Further, the mass-volume ratio of the soil remediation agent to the soil solid slag is 0.5 kg: 20 to 100m3. The invention has the beneficial effects that:
the invention provides a method for restoring soil in an oil-polluted site, which is a novel clean technology for combining a dosing water washing technology with a biodegradation technology, firstly carrying out dosing water washing on the oil-polluted soil by using a bio-based oil sludge treating agent, and then thoroughly restoring the oil-polluted site by using the biodegradation technology. The medicament residue of the bio-based material can provide nutrients for the growth of microorganisms in the terminal degradation treatment, improve the degradation efficiency of the microorganisms and ensure the degradation repair effect. Compared with the technology of physical, chemical and biological remediation of polluted soil, the method has the advantages of wide application range, high remediation efficiency, no secondary pollution, thorough remediation, simple operation and the like.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
Example 1
A process for washing and degrading oily sludge comprises the following steps:
step one, system sorting, namely separating solid-phase impurities with the diameter of oily sludge particles larger than 5mm, and treating the solid-phase impurities in a high-temperature pyrolysis system;
step two, quenching, tempering and fluidizing, namely stirring and homogenizing the sorted oil sludge with the diameter smaller than 5mm to fluidize the oil sludge, guiding the fluidized oil sludge into a water washing tank to facilitate the smoothness of a subsequent process, and adjusting the solid content of the oil sludge in the water washing tank to 28%, wherein the medicament performance is optimal under the solid content;
adding a reagent into a water washing tank, adding a bio-based reagent into the water washing tank, fully stirring, standing for layering, scraping upper-layer floating oil, storing the floating oil into a residue oil tank, and separating and purifying residual oil; meanwhile, the medicament residue of the bio-based material can provide nutrients for the growth of microorganisms.
The bio-based agent is a humic acid product produced by fermenting straw lignocellulose agricultural and forestry waste serving as a raw material and is used for quickly separating oil phase, water phase and solid phase of oil sludge at normal temperature.
And step four, solid-liquid separation, namely pumping the solid-liquid mixture from which the floating oil is removed in the washing tank into a vertical scraper centrifuge, treating the solid-liquid mixture by the centrifuge, storing the sewage into a sewage tank for recycling, storing the treated solid slag into a bioremediation area, and performing end microbial degradation treatment, wherein the degraded soil can be subjected to agriculture and forestry re-cultivation, so that harmless treatment and resource utilization are realized.
The terminal microbial degradation treatment comprises the following steps:
step 1: crushing and screening, namely crushing and screening the solid soil residues by using a screen, reserving the solid soil residues with the particle size of less than 5mm, and crushing soil blocks with the particle size of more than 5mm and then performing terminal microbial degradation;
step 2: piling up soil, piling up the screened soil solid residues to a restoration area, leveling, sprinkling water until the soil humidity is more than 30%, and standing for 1-3 days;
and step 3: c, applying the microbial inoculum, uniformly applying a microbial soil remediation agent (for degrading petroleum hydrocarbon pollutants) on the surface layer of the solid residues of the polluted soil after the solid residues of the soil in the step 2 are kept still for 1-3 days, and ploughing the solid residues of the polluted soil by using a ploughing machine after the application is finished, so that the microbial soil remediation agent and the solid residues of the polluted soil are fully mixed, the degradation is started, and the daily maintenance is carried out; the soil remediation agent comprises, by weight, 5 parts of yeast powder, 3 parts of glucose, 6 parts of plant ash, 0.2 part of biological enzyme, 4 parts of azotobacter and 5 parts of bacillus subtilis. The mass volume ratio of the soil remediation agent to the soil solid slag is 0.5 kg: 100m3。
And 4, step 4: and (4) sampling and detecting, namely periodically sampling and detecting the restored soil during the restoration period, and analyzing the oil content and microbial biomass change of the soil so as to restore the activity of the soil after the restoration reaches the standard, terminate the restoration and carry out agriculture and forestry re-cultivation.
Example 2
A process for washing and degrading oily sludge comprises the following steps:
step one, system sorting, namely separating solid-phase impurities with the diameter of oily sludge particles larger than 5mm, and treating the solid-phase impurities in a high-temperature pyrolysis system;
step two, quenching, tempering and fluidizing, namely stirring and homogenizing the sorted oil sludge with the diameter less than 5mm to fluidize the oil sludge, guiding the fluidized oil sludge into a water washing tank to facilitate the smoothness of a subsequent process, and adjusting the solid content of the oil sludge in the water washing tank to 35%, wherein the medicament performance is optimal under the solid content;
adding a reagent into a water washing tank, adding a bio-based reagent into the water washing tank, fully stirring, standing for layering, scraping upper-layer floating oil, storing the floating oil into a residue oil tank, and separating and purifying residual oil; meanwhile, the medicament residue of the bio-based material can provide nutrients for the growth of microorganisms.
The bio-based agent is a humic acid product produced by fermenting straw lignocellulose agricultural and forestry waste serving as a raw material and is used for quickly separating oil phase, water phase and solid phase of oil sludge at normal temperature.
And step four, solid-liquid separation, namely pumping the solid-liquid mixture from which the floating oil is removed in the washing tank into a vertical scraper centrifuge, treating the solid-liquid mixture by the centrifuge, storing the sewage into a sewage tank for recycling, storing the treated solid slag into a bioremediation area, and performing end microbial degradation treatment, wherein the degraded soil can be subjected to agriculture and forestry re-cultivation, so that harmless treatment and resource utilization are realized.
The terminal microbial degradation treatment comprises the following steps:
step 1: crushing and screening, namely crushing and screening the solid soil residues by using a screen, reserving the solid soil residues with the particle size of less than 5mm, and crushing soil blocks with the particle size of more than 5mm and then performing terminal microbial degradation;
step 2: piling up soil, piling up the screened soil solid residues to a restoration area, leveling, sprinkling water until the soil humidity is more than 30%, and standing for 1-3 days;
and step 3: spreading the microbial inoculum, and uniformly spreading a microbial soil remediation agent (for degrading petroleum hydrocarbon pollutants) on the contaminated soil after the soil solid residues in the step 2 are kept still for 1-3 daysAfter the slag surface layer is spread, ploughing the solid slag of the polluted soil by using a ploughing machine, fully mixing the microbial soil remediation agent and the solid slag of the polluted soil, starting degradation, and performing daily maintenance; the soil remediation agent comprises, by weight, 3 parts of yeast powder, 5 parts of glucose, 10 parts of plant ash, 0.3 part of biological enzyme, 2 parts of azotobacter and 7 parts of bacillus subtilis. The mass volume ratio of the soil remediation agent to the soil solid slag is 0.5 kg: 20m3。
And 4, step 4: and (4) sampling and detecting, namely periodically sampling and detecting the restored soil during the restoration period, and analyzing the oil content and microbial biomass change of the soil so as to restore the activity of the soil after the restoration reaches the standard, terminate the restoration and carry out agriculture and forestry re-cultivation.
Claims (6)
1. A process for washing and degrading oily sludge is characterized by comprising the following steps:
step one, system sorting, namely separating solid-phase impurities with the diameter of oily sludge particles larger than 5mm, and treating the solid-phase impurities in a high-temperature pyrolysis system;
step two, tempering and fluidizing, namely stirring and homogenizing the sorted oil sludge with the diameter smaller than 5mm to fluidize the oil sludge, guiding the fluidized oil sludge into a water washing tank, and adjusting the solid content of the oil sludge in the water washing tank to 28-35%;
adding a reagent into a water washing tank, adding a bio-based reagent into the water washing tank, fully stirring, standing for layering, scraping upper-layer floating oil, storing the floating oil into a residue oil tank, and separating and purifying residual oil;
and step four, solid-liquid separation, namely pumping the solid-liquid mixture from which the floating oil is removed in the washing tank into a vertical scraper centrifuge, treating the solid-liquid mixture by the centrifuge, storing the sewage into a sewage tank for recycling, storing the treated solid slag into a bioremediation area, and performing end microbial degradation treatment, wherein the degraded soil can be subjected to agriculture and forestry re-cultivation.
2. The oil-containing sludge washing and degradation treatment process as claimed in claim 1, wherein the terminal microbial degradation treatment comprises the following steps:
step 1: crushing and screening, namely crushing and screening the solid soil residues by using a screen, reserving the solid soil residues with the particle size of less than 5mm, and crushing soil blocks with the particle size of more than 5mm and then performing terminal microbial degradation;
step 2: piling up soil, piling up the screened soil solid residues to a restoration area, leveling, sprinkling water until the soil humidity is more than 30%, and standing for 1-3 days;
and step 3: c, applying the microbial inoculum, uniformly applying the microbial soil remediation agent on the surface layer of the solid residues of the polluted soil after the solid residues of the soil are kept still for 1-3 days in the step 2, and ploughing the solid residues of the polluted soil by using a ploughing machine after the application is finished, so that the microbial soil remediation agent and the solid residues of the polluted soil are fully mixed, the degradation is started, and the daily maintenance is carried out;
and 4, step 4: and (4) sampling and detecting, namely periodically sampling and detecting the restored soil during the restoration period, and analyzing the oil content and microbial biomass change of the soil so as to restore the activity of the soil after the restoration reaches the standard, terminate the restoration and carry out agriculture and forestry re-cultivation.
3. The oil-containing sludge washing and degrading treatment process as claimed in claim 1, wherein the bio-based agent is humic acid product produced by fermenting straw lignocellulose agricultural and forestry waste as raw material.
4. The oily sludge washing and degrading treatment process as claimed in claim 2, wherein the soil remediation agent comprises, by weight, 3-10 parts of yeast powder, 1-5 parts of glucose, 3-10 parts of plant ash, 0.1-0.3 part of biological enzyme, 2-7 parts of azotobacter and 2-7 parts of bacillus subtilis.
5. The oily sludge washing and degrading treatment process as claimed in claim 2, wherein the soil remediation agent comprises 5 parts by weight of yeast powder, 3 parts by weight of glucose, 6 parts by weight of plant ash, 0.2 parts by weight of bio-enzyme, 4 parts by weight of azotobacter, 5 parts by weight of bacillus subtilis and the balance of water.
6. The oily sludge washing and degrading treatment process as claimed in claim 2, wherein the mass-to-volume ratio of the soil remediation agent to the soil solid residue is 0.5kg：20～100m3。
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| CN113264650A (en) * | 2021-06-02 | 2021-08-17 | 南京公诚节能新材料研究院有限公司 | Biological method oily sludge treatment process method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060081275A (en) * | 2005-01-07 | 2006-07-12 | 서인철 | Method for removing drain water sludge and oil using microscopic organism |
| WO2011074007A2 (en) * | 2009-12-18 | 2011-06-23 | Bharat Petroleum Corporation Limited | Process and composition for bioremediation of oily sludge |
| CN104140184A (en) * | 2014-04-12 | 2014-11-12 | 北京工业大学 | Treatment method for oily sludge of oil refinery |
| CN106867545A (en) * | 2017-02-23 | 2017-06-20 | 北京绿安创华环保科技股份有限公司 | A kind of saline-alkali soil restoration agent, preparation method and applications from sludge |
| CN108558155A (en) * | 2018-04-03 | 2018-09-21 | 任航 | A kind of processing method of oily sludge harmless resource |
| CN108676561A (en) * | 2018-04-23 | 2018-10-19 | 大连理工大学 | A kind of original place preparation method and applications of strand oil-polluted soils renovation agent |
| CN208594184U (en) * | 2018-07-10 | 2019-03-12 | 中国石油集团川庆钻探工程有限公司 | A kind of oil sludge and sand microbe treatment system |
| WO2019179303A1 (en) * | 2018-03-22 | 2019-09-26 | 山东省科学院生态研究所 | Preparation method and application of oil sludge petroleum degradation composite enzyme |
-
2020
- 2020-11-23 CN CN202011322891.4A patent/CN112592012A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060081275A (en) * | 2005-01-07 | 2006-07-12 | 서인철 | Method for removing drain water sludge and oil using microscopic organism |
| WO2011074007A2 (en) * | 2009-12-18 | 2011-06-23 | Bharat Petroleum Corporation Limited | Process and composition for bioremediation of oily sludge |
| CN104140184A (en) * | 2014-04-12 | 2014-11-12 | 北京工业大学 | Treatment method for oily sludge of oil refinery |
| CN106867545A (en) * | 2017-02-23 | 2017-06-20 | 北京绿安创华环保科技股份有限公司 | A kind of saline-alkali soil restoration agent, preparation method and applications from sludge |
| WO2019179303A1 (en) * | 2018-03-22 | 2019-09-26 | 山东省科学院生态研究所 | Preparation method and application of oil sludge petroleum degradation composite enzyme |
| CN108558155A (en) * | 2018-04-03 | 2018-09-21 | 任航 | A kind of processing method of oily sludge harmless resource |
| CN108676561A (en) * | 2018-04-23 | 2018-10-19 | 大连理工大学 | A kind of original place preparation method and applications of strand oil-polluted soils renovation agent |
| CN208594184U (en) * | 2018-07-10 | 2019-03-12 | 中国石油集团川庆钻探工程有限公司 | A kind of oil sludge and sand microbe treatment system |
Non-Patent Citations (2)
| Title |
|---|
| 岳波: "《废矿物油环境风险评价与污染防治技术手册》", 31 December 2016, 北京：中国环境科学出版社 * |
| 葛秀涛等: "《物理化学》", 31 August 2019, 中国科学技术大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113264650A (en) * | 2021-06-02 | 2021-08-17 | 南京公诚节能新材料研究院有限公司 | Biological method oily sludge treatment process method |
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