CN108558154A - The immediate processing method of oily sludge - Google Patents
The immediate processing method of oily sludge Download PDFInfo
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- CN108558154A CN108558154A CN201810286086.7A CN201810286086A CN108558154A CN 108558154 A CN108558154 A CN 108558154A CN 201810286086 A CN201810286086 A CN 201810286086A CN 108558154 A CN108558154 A CN 108558154A
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- oily sludge
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- demulsification
- oxidative degradation
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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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
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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
- C02F11/008—Sludge treatment by fixation or solidification
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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
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
- C02F2103/365—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The application provides a kind of immediate processing method of oily sludge comprising step：Demulsification is added into oily sludge dispersant and to continue to stir, keeps oil, water, silt particle three phase boundary clear, after through sedimentation process isolate silt particle part；Oxidative degradation agent is added into the oily sludge after demulsification decentralized processing, is stood after being thoroughly mixed uniformly and carries out first time maintenance processing, make oily sludge gelatine；Absorption fixative is added into oxidative degradation treated oily sludge, is stood after being thoroughly mixed uniformly and carries out second of maintenance processing, finally obtains oil content below 2% and the oily sludge with certain mechanical strength.The oil content of oily sludge quickly can be reduced to 2% hereinafter, reach the standard that can be backfilled by the processing method of the application, will not cause secondary pollution, while be generated in processing procedure without being harmful to side reaction product, and negative influence will not be caused to environment.
Description
Technical field
This application involves field of oilfield chemistry more particularly to a kind of immediate processing methods of oily sludge.
Background technology
In recent years, with the development of petroleum industry, in oil-gas field development and exploitation, oil-gas gathering and transportation, sewage from oil refinery processing
Process produces a large amount of oily sludge.Oily sludge is a kind of solid waste rich in mineral oil and composition complexity, main
It is mixed by clay particle, organic matter, flco, microorganism and its metabolite, minerals etc., the big, oil-containing with yield
The features such as rate is high, mink cell focus constituent content is high, comprehensive utilization mode is few, intractability is big.Oil field development and each treatment process mistake
Different types of chemical treatments are also largely used in journey so that in oily sludge between each pollutant and inorganic solid content
Bridge crosslinking structure it is firm, oil, water emulsification are abundant, and constituent structure more complicates, and objectively increases process difficulty.Contain
Greasy dirt is bulky, if not being pocessed direct emission, not only occupies a large amount of arable lands, and to surrounding soil, water body, air
It will all pollute.According to《National Hazard waste register》The regulation of (2016 editions), oil field sludge belong to hazardous waste.While with
It《Law of Environmental Protection of the People's Republic of China》With《Soil Pollution Control action plan》Appearance, by oil field sludge minimizing,
Recycling, harmless treatment are the problem of promoting clean manufacturing and recycling economy development that must face.
For oily sludge oil removing, mainly there are Thermal desorption, materialization extraction and separation, medicament oxidative degradation, microorganism drop at present
The technologies such as solution is repaired, cement kiln is disposed.Wherein, oily sludge is heated in stove higher by Thermal desorption technology using all kinds of heat sources
Temperature (300 DEG C or more), the crude oil class component in oily sludge is decomposed, then carry out separation of solid and liquid recycling, the technology energy
Consumption is higher, generally requires moisture control to reduced levels to reduce energy consumption, and be suitable for 10% or more oil content contains greasy dirt
Mud, and there are exhaust gas discharge and the problems such as high energy consumption；Materialization extraction and separation technology is to choose suitable organic solvent by oil-containing
The components such as crude oil, oil emulsion in sludge are cleaned, are detached, the final oily sludge for obtaining oil content and meeting the requirements of the standard,
Desiccation is carried out again, reduces the danger and environmental contamination of oily sludge, the technology is convenient for recycling crude oil, comprehensive utilization；Medicament
Oxidative degradation technology with medicament by be sufficiently mixed contacting oily sludge, using the strong oxidizing property and associativity of medicament,
Crude oil class component in oily sludge is obtained fully degraded, is suitable for by degrading crude oil class component by the reaction of certain time
Oil content is less than 5% oily sludge, requires powder performance high；Microbial degradation recovery technique utilizes microorganism and its breeding
Degrading crude oil class component is acted on, to reduce the pollution of oily sludge, which applies in general to the lower oil-containing of oil content
Sludge, and processing time is longer, disposal field requirement is larger, is suitble to repair for a long time, reaches thoroughly innoxious；Utilize cement kiln
To oily sludge be disposed with disposition thoroughly, easily realize innoxious and recycling advantage, but to reduce to manufacture of cement
The influence of system needs the oil content of oily sludge being reduced to 3 ‰ and less.
The ability of above-mentioned prior art processing oily sludge is limited, it is difficult to meet the quick processing of high-volume oily sludge
Demand.In addition above-mentioned technology mainly there is problems：
1. high energy consumption：Silt particle in oily sludge is very strong to the adsorption capacity of crude oil class component, therefore by oily sludge
In greasy filth be kept completely separate, must carry out under the high temperature conditions, such as oily sludge is heated and washed with a large amount of steams, hot water
Deng keeping energy consumption very high.
2. easily causing secondary pollution：Show three aspects：(a) oil separation is not thorough in oily sludge, although oily sludge
Oil content declines, but the purpose of greasy filth separation is not fully achieved, and the oily sludge after separation still can cause environmental pollution；
(b) atmosphere pollution can be caused by such as making fuel as the utilization of resources；(c) chemical agent of oil separation may also be right in oily sludge
Environment is impacted and is endangered.
3. resource recovery is low：As oily sludge, oil content average out to 10%~22%, or even some are up to 20%
~30%, the crude oil class component in oily sludge is recycled, its recycling is made, can get certain economic benefit, environment
Benefit and social benefit, but technically there are no the methods for developing suitable, high-recovery at present.
4. comprehensive utilization degree is low：Oily sludge is detached and can not be fully achieved with physics, chemical method merely
Environmental requirement, processing product cannot be comprehensively utilized well.
In consideration of it, special propose the application.
Invention content
The problem of in view of background technology, the application's is designed to provide a kind of quick processing side of oily sludge
Method is generated without being harmful to side reaction product in processing procedure, and the oil content of oily sludge can be down to 2% or less and have after reaction
Have certain mechanical strength, reach the standard that can be backfilled, meet the needs of oily sludge mass is quickly handled and to environment not
It can cause negative influence.
In order to achieve the above object, this application provides a kind of immediate processing methods of oily sludge comprising step：To
Demulsification is added in oily sludge dispersant and to continue to stir, keeps oil, water, silt particle three phase boundary clear, after divide through sedimentation process
Separate out silt particle part；Oxidative degradation agent is added into the oily sludge after demulsification decentralized processing, it is quiet after being thoroughly mixed uniformly
It sets and carries out first time maintenance processing, make oily sludge gelatine；It is solid that absorption is added into oxidative degradation treated oily sludge
Determine agent, stood after being thoroughly mixed uniformly and carry out second of maintenance processing, it is below containing greasy dirt 2% to finally obtain oil content
Mud.
Compared with the existing technology, the application has the beneficial effect that：
Demulsification dispersant, oxidative degradation agent and absorption fixative is added in the application into oily sludge successively, in three
Mating reaction under, through demulsification dispersion, oxidative degradation, adsorb fixation procedure quickly the oil content of oily sludge can be reduced to
2% or less and have certain mechanical strength, reach the standard that can be backfilled, secondary pollution will not be caused.
The immediate processing method of the oily sludge of the application generates in processing procedure without harmful side reaction product, satisfaction pair
Demand that oily sludge mass is quickly handled and negative influence will not be caused to environment.
The immediate processing method of the oily sludge of the application also has the characteristics that low energy consumption without hot environment processing.
Description of the drawings
The oil content test chart of the oily sludge of each step when Fig. 1 is laboratory experiment.
The oily sludge sample drawing of each step when Fig. 2 is laboratory experiment, wherein (a1) is the oily sludge dug out, (b1)
For pretreated oily sludge, (c1) is the oily sludge after being demulsified decentralized processing, and (d1) is that treated contains for oxidative degradation
Greasy dirt, (e1) are the oily sludge adsorbed after fixing process.
The oily sludge sample drawing of each step when Fig. 3 is field conduct, wherein (a2) is the oil-containing after being demulsified decentralized processing
Sludge, (b2) are oxidative degradation treated oily sludge, and (c2) be the oily sludge after absorption fixing process.
Fig. 4 is the immediate processing method continuous processing Gudao area of Shengli Oilfield West cesspool using the oily sludge of the application
Oil content detection curve of the oily sludge dug out in not same date.
Specific implementation mode
The following detailed description of the immediate processing method according to the oily sludge of the application.
Immediate processing method according to the oily sludge of the application includes step：S1, demulsification dispersion：Add into oily sludge
Enter to be demulsified and dispersant and continue to stir, keep oil, water, silt particle three phase boundary clear, after through sedimentation process isolate silt particle part；
S2, oxidative degradation：Oxidative degradation agent is added into the oily sludge after demulsification decentralized processing, is stood after being thoroughly mixed uniformly
First time maintenance processing is carried out, oily sludge gelatine is made；S3, absorption are fixed：Into oxidative degradation treated oily sludge
Be added absorption fixative, be thoroughly mixed uniformly after stand carry out second of maintenance processing, finally obtain oil content 2% with
Under oily sludge.
In the immediate processing method of the oily sludge of the application, in step sl, add into pending oily sludge
Enter to be demulsified and dispersant and continue to stir, under the action of being demulsified dispersant, oily sludge, which occurs to be demulsified, to be simultaneously dehydrated, and oily sludge is made
In oil, water, the initial gross separation of silt particle three-phase and each self-dispersing, the viscosity of this process oily sludge reduces and realizes and homogenize, just
Fixed progress is degraded and adsorbs in subsequent oxidation.Wherein, the mode of stirring is not particularly limited, can according to actual demand into
Row selection, it is preferable that be stirred by the way of multidirectional stirring.The oil and water isolated in demulsification dispersion process are through sump oil station
It is recyclable after being handled with sewage plant.
In the immediate processing method of the oily sludge of the application, in step s 2, oxidative degradation agent is added to through broken
In oily sludge after newborn decentralized processing, is stood after being thoroughly mixed uniformly and carry out first time maintenance.It oxidation should drop in the process
Solve moisture in agent and oily sludge and certain chemical substances (including：Organic component in oily sludge, such as alkane, cycloalkanes
Hydrocarbon, aromatic hydrocarbon, alkene etc.；Polymers compositions, such as polyacrylamide, guar gum；And certain components in crude oil, such as glue
Matter, asphalitine, aphthenic acids etc.) PhastGel reaction occurs, net chain-like skeletal structure is formed, and pass through a series of physical and chemistry
Reaction (such as：Suction-operated, precipitation, same order elements and oxidation, hydrolysis, salification etc.) make these chemistry
Substance can be attached on net chain-like skeletal structure；Simultaneous oxidation degradation agent, which can also be catalyzed above-mentioned chemical substance, makes its chain rupture decompose
For micromolecular compound.
In the immediate processing method of the oily sludge of the application, in step s3, absorption fixative is added to through oxygen
Change in the oily sludge after degradation treatment, is thoroughly mixed uniform rear stand and carries out second of maintenance.It adsorbs in this process
Fixative can connect tiny silt particle particle, form the spherical macro with certain mechanical strength, and will be above-mentioned
The micromolecular compound absorption that chain rupture obtains after decomposing in Oxidative Degradation Process is wrapped in spherical macro, is reached absorption and is fixed
Purpose, the oil content of oily sludge can be reduced to 2% or less after absorption is fixed.
Demulsification dispersant, oxidative degradation agent and absorption are added into pending oily sludge and fixes successively by the application
Agent drops the oil content of oily sludge by the dispersion that is demulsified, oxidative degradation, absorption fixation procedure under the mating reaction of three
Down to 2% or less and there is certain mechanical strength, meet SY/T7301-2016《Land oil natural gas extraction oily sludge provides
Sourceization comprehensively utilizes and pollution control technology requirement》Regulation, reach the standard that can be backfilled, secondary pollution will not be caused.This Shen
In processing procedure please without be harmful to side reaction product generate, and the quick facture method of the oily sludge of the application its demulsification point
Rapid treatment scale of taking a walk is 200t/d, and oxidative degradation and the treatment scale for adsorbing fixing step are 100t/d~200t/d, full
Demand that foot quickly handles oily sludge mass and negative influence will not be caused to environment.The oily sludge of the application it is fast
Fast processing method also has the characteristics that low energy consumption without hot environment processing.
In the immediate processing method of the oily sludge of the application, the demulsification dispersant include demulsifier, cleaning agent with
And bleeding agent.Specifically, the demulsifier is selected from one or both of de-emulsifier SP 169, demulsifier AE8051, the cleaning
Agent is selected from one or more of alkylolamides, alkylsulfonate, and the absorption fixative is selected from penetrating agent JFC -5, infiltration
One or more of agent BX, fast penetrant T.The specific type of alkylolamides and alkylsulfonate does not limit particularly
System, can be selected according to actual demand, and specifically, alkylolamides can be coconut oil alkanolamide, fatty acid alkanol amides
One or both of；Alkylsulfonate can be dodecyl sodium sulfate, neopelex, sodium cetanesulfonate,
One or more of cetyl benzenesulfonic acid sodium.
In the immediate processing method of the oily sludge of the application, it is sub- that the oxidative degradation agent is selected from persulfate, sulfuric acid
One or more of iron, calper calcium peroxide, hydrogen peroxide.Persulfate preferably can be sodium peroxydisulfate, potassium peroxydisulfate, persulfuric acid
One or more of iron, ammonium persulfate.
In the immediate processing method of the oily sludge of the application, the absorption fixative is selected from calcium oxide, cement, water glass
One or more of glass, flyash, montmorillonite, kaolin.
In the immediate processing method of the oily sludge of the application, the additive amount of the demulsification dispersant is oily sludge
The 5%~10% of the quality of (i.e. pending oily sludge).
In the immediate processing method of the oily sludge of the application, the additive amount of the oxidative degradation agent is at demulsification dispersion
The 3%~8% of the quality of oily sludge after reason.
In the immediate processing method of the oily sludge of the application, the additive amount of the absorption fixative is at oxidative degradation
The quality 5%~10% of oily sludge after reason.
In the immediate processing method of the oily sludge of the application, the time of the first time maintenance is 48h~168h, excellent
It is selected as 72h.
In the immediate processing method of the oily sludge of the application, the time of second of maintenance is 48h~168h, excellent
It is selected as 72h.
In the immediate processing method of the oily sludge of the application, it is added before demulsification dispersant, it can be first by oily sludge
It is delivered to screening plant to be pre-processed, pretreatment may include the operations such as screening, homogeneous, quenched, cleaning, can tentatively drop in this way
The oil content of low oily sludge, makes oily sludge homogenize, and improves the processing speed of subsequent operation, is especially suitable for oil content
Oily sludge system more than 10%.The type of the screening plant does not limit specifically, can be selected according to actual demand
It selects, it is preferable that the screening plant is ALLU type sieving approach scraper bowls.It, can when the oil content of oily sludge is below 10%
The pre-treatment step is omitted, demulsification dispersant is directly added into and carries out subsequent processing.
In the immediate processing method of the oily sludge of the application, oily sludge can be generation during petroleum production processes
Oily sludge, such as the oily sludge generated during oil exploitation, the oily sludge, the oil that generate during petroleum transportation
The oily sludge generated during the oily sludge generated during refinery or oily waste water treatment.
With reference to embodiment, the application is expanded on further.It should be understood that these embodiments be merely to illustrate the application without
For limiting scope of the present application.
Embodiment 1
Using the oily sludge that Gudao area of Shengli Oilfield West cesspool is dug out as process object, not due to oily sludge sedimentation
Uniformly, oil content is 4%~22%, and moisture content is 30%~60%, wherein the oil content for reducing oily sludge is this engineering
The emphasis of processing.
First the oily sludge that the oil content dug out from Gudao area of Shengli Oilfield West cesspool is 4%~22% is stored to facing
When storage area, according to the difference of oily sludge oil content use different processing steps.Oily sludge is delivered to ALLU first
Type sieving approach scraper bowl carries out screening pretreatment, and demulsification dispersant, demulsification point are then added into pretreated oily sludge
Powder is the mixture of de-emulsifier SP 169, dodecyl sodium sulfate, penetrating agent JFC -5.The additive amount of demulsification dispersant is according to original
The difference of the oil content of the oily sludge of beginning and change：If the oil content ＜ 15% of usual oily sludge, be demulsified dispersant
Additive amount is the 5% of oily sludge gross mass；If the oil content of sludge is between 15%~20%, the addition for the dispersant that is demulsified
Amount is the 8% of oily sludge gross mass；If the oil content of sludge, can be further by the content for the dispersant that is demulsified 20% or more
Increase to 10%.
The oily sludge that oil content is 5%~10% is obtained after demulsification disperses, and then adds oxidative degradation agent thereto,
Maintenance 72h is stood after being thoroughly mixed uniformly, it is sodium peroxydisulfate and ferrous sulfate to make oily sludge gelatine, oxidative degradation agent
Mixture.The additive amount of oxidative degradation agent changes according to the difference of the oil content of the oily sludge after demulsification decentralized processing：
If the oil content of the oily sludge after the decentralized processing that is demulsified, between 8%~10%, the additive amount of oxidative degradation agent is demulsification
8% of oily sludge gross mass after decentralized processing；If the oil content of the oily sludge after the decentralized processing that is demulsified is 4%~8%
Between, then the additive amount of oxidative degradation agent is 5% of the oily sludge gross mass after being demulsified decentralized processing；If being demulsified decentralized processing
The oil content of oily sludge afterwards is 4% hereinafter, then the additive amount of oxidative degradation agent can be further reduced to 3%.
The oily sludge that oil content is 2%~6% is obtained after oxidized degradation treatment, is then added absorption thereto and is fixed
Agent, stands maintenance 72h after being thoroughly mixed uniformly, absorption fixative is calcium oxide, cement, diatomaceous mixture.Absorption
The additive amount of fixative changes according to the difference of the oil content of oxidative degradation treated oily sludge：If oxidative degradation is handled
For the oil content of oily sludge afterwards between 4%~6%, then the additive amount for adsorbing fixative is oxidative degradation treated oil-containing
The 10% of sludge gross mass；If the oil content of oxidative degradation treated oily sludge adsorbs fixation between 3%~4%
Agent additive amount is that treated the 8% of oily sludge gross mass for oxidative degradation；If the oil content of oily sludge 2%~3%,
The additive amount for adsorbing fixative is the 5% of oily sludge gross mass.
The processing procedure of the above-mentioned oily sludge dug out to Gudao area of Shengli Oilfield West cesspool carries out laboratory experiment respectively
And field conduct, in order to observe, compare and detect.The result of laboratory experiment can refer to Fig. 2, and the result of field conduct can refer to
Fig. 3.Fig. 1 is for the oil content after oily sludge each processing stage as a result, wherein having chosen 5 different samples.
Fig. 4 is that the oily sludge that continuous processing Gudao area of Shengli Oilfield West cesspool is dug out is examined in the oil content of not same date
Survey curve.From fig. 4, it can be seen that during continuous processing, the oil content of oily sludge after processing can be down to 2% hereinafter, symbol
Close SY/T 7301-2016《Land oil natural gas extraction oily sludge comprehensive utilization of resources and pollution control technology requirement》
Regulation, cesspool can be backfilled.
Claims (10)
1. a kind of immediate processing method of oily sludge, which is characterized in that including step：
S1, demulsification dispersion：Demulsification dispersant is added into oily sludge and continues to stir, keeps oil, water, silt particle three phase boundary clear
It is clear, after through sedimentation process isolate silt particle part；
S2, oxidative degradation：Oxidative degradation agent is added into the oily sludge after demulsification decentralized processing, after being thoroughly mixed uniformly
It stands and carries out first time maintenance processing, make oily sludge gelatine；
S3, absorption are fixed：Absorption fixative is added into oxidative degradation treated oily sludge, after being thoroughly mixed uniformly
It stands and carries out second of maintenance processing, finally obtain oil content in 2% oily sludge below.
2. the immediate processing method of oily sludge according to claim 1, which is characterized in that
The demulsification dispersant includes demulsifier, cleaning agent and bleeding agent；
The demulsifier is selected from one or both of de-emulsifier SP 169, demulsifier AE8051；
The cleaning agent is selected from one or more of alkylolamides, alkylsulfonate；
The bleeding agent is selected from one or more of penetrating agent JFC -5, penetrating agent BX, fast penetrant T.
3. the immediate processing method of oily sludge according to claim 1, which is characterized in that the oxidative degradation agent is selected from
One or more of persulfate, ferrous sulfate, calper calcium peroxide, hydrogen peroxide.
4. the immediate processing method of oily sludge according to claim 1, which is characterized in that the absorption fixative is selected from
One or more of calcium oxide, cement, waterglass, flyash, montmorillonite, kaolin.
5. the immediate processing method of oily sludge according to claim 1, which is characterized in that the additive amount for the dispersant that is demulsified
It is the 5%~10% of the quality of oily sludge.
6. the immediate processing method of oily sludge according to claim 1, which is characterized in that the additive amount of oxidative degradation agent
It is the 3%~8% of the quality of the oily sludge after demulsification decentralized processing.
7. the immediate processing method of oily sludge according to claim 1, which is characterized in that adsorb the additive amount of fixative
For the quality 5%~10% of oxidative degradation treated oily sludge.
8. the immediate processing method of oily sludge according to claim 1, which is characterized in that the time of maintenance is for the first time
48h~168h, preferably 72h.
9. the immediate processing method of oily sludge according to claim 1, which is characterized in that the time of maintenance is for the second time
48h~168h, preferably 72h.
10. the immediate processing method of oily sludge according to claim 1, which is characterized in that be added demulsification dispersant it
Before, oily sludge is first delivered to screening plant and is pre-processed.
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Cited By (5)
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| CN109592881A (en) * | 2019-01-11 | 2019-04-09 | 沧州市华油飞达固控设备有限公司 | A kind of greasy dirt method for separating and processing |
| CN112047428A (en) * | 2020-07-31 | 2020-12-08 | 东营东方化学工业有限公司 | Reverse demulsifier composition and method for performing reverse demulsification by using same |
| CN113121203A (en) * | 2019-12-31 | 2021-07-16 | 中国石油化工股份有限公司 | Method for preparing ceramsite from oily sludge |
| CN114956635A (en) * | 2022-06-15 | 2022-08-30 | 清华珠三角研究院 | Sludge pretreatment method and production system and method for manufacturing recycled aggregate |
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| CN113121203B (en) * | 2019-12-31 | 2022-07-12 | 中国石油化工股份有限公司 | Method for preparing ceramsite from oily sludge |
| CN112047428A (en) * | 2020-07-31 | 2020-12-08 | 东营东方化学工业有限公司 | Reverse demulsifier composition and method for performing reverse demulsification by using same |
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