CN108485791A - A kind of decoloration of environment-friendly type waste lubricating oil de-tastes regeneration technology - Google Patents
A kind of decoloration of environment-friendly type waste lubricating oil de-tastes regeneration technology Download PDFInfo
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- CN108485791A CN108485791A CN201810470552.7A CN201810470552A CN108485791A CN 108485791 A CN108485791 A CN 108485791A CN 201810470552 A CN201810470552 A CN 201810470552A CN 108485791 A CN108485791 A CN 108485791A
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- oil product
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/0016—Working-up used lubricants to recover useful products ; Cleaning with the use of chemical agents
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/0008—Working-up used lubricants to recover useful products ; Cleaning with the use of adsorbentia
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/0083—Lubricating greases
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention belongs to chemical technology fields, and in particular to a kind of decoloration of environment-friendly type waste lubricating oil de-tastes regeneration technology.A kind of decoloration of environment-friendly type waste lubricating oil de-tastes regeneration technology, including following processing step：It is catalyzed reaction treatment；Precipitation separation impurity treatment；Alkali cleaning is handled；The processing of precipitation polymers.No matter coloration or smell meet the use standard of base oil for oil product after process provided by the present invention, and no acid sludge is environmentally protective, handles 30 80 yuan of waste lubricating oil cost per ton, of low cost, raw material is easily purchased.
Description
Technical field
The invention belongs to chemical technology fields, and in particular to a kind of decoloration of environment-friendly type waste lubricating oil de-tastes regeneration technology.
Background technology
Lubricating oil rubs as between a kind of mitigation mechanical fitting, safeguards the petroleum product of mechanical equipment normal operation,
There is irreplaceable role in industrial development.The growth of machinery manufacturing industry to flourish and motor vehicle is consumed, it is domestic right
Demand for lubricating oil is in the trend of cumulative year after year.However, lubricating oil is in use for some time, due to Machine Design and for a long time in height
Temperature state runs reason, not only can be by the hydrocarbon in moisture, dust, the pollution of mechanical break-in product and lubricating oil in working environment
Oxidation reaction can also occur for substance, various additives, form the deteriorations such as organic acid, asphalitine, carbon black, polycyclic aromatic hydrocarbon, aldehyde ketone
Product.Lubricating oil is influenced by above-mentioned polluter, and function constantly declines, and is finally replaced by as waste lubricating oil.With regard to China
For, the waste lubricating oil enormous amount (about 5,500,000 tons/year) replaced every year, if these waste lubricating oils are directly discharged into
In environment, the wasting of resources is not only resulted in, serious harm, such as used oil will also result in the ecosystem, arbitrarily toppling over can be dirty
Soil and water source are contaminated, is detrimental to health, and rationally regenerating waste lubricating oil can avoid environmental pollution that from can also generating huge warp
Ji benefit realizes that hazardous waste becomes treasure, to realize recycling for resource.Therefore, waste mineral oil processing disposition receives
Concern.
The waste lubricant oil regeneration technology in China starts from the 1940s, after decades of development, waste lubricant oil regeneration
Industry has a significant changes in scale, but regeneration techniques are still based on sulfuric acid-carclazyte technique, solvent extraction-absorbing process,
There are sulfuric acid dosages in regenerative process greatly, secondary pollution discharge capacity is big, environmental pollution is heavy, reconstituted product quality is undesirable, again
The problems such as life product value is relatively low.It is adsorbed as representing with hydrogenation technique, molecular distillation, microwave-heating, film on this basis useless
Lubricating oil relies on environmental-friendly, the high feature of reconstituted product quality without acid regeneration process, is increasingly becoming waste lubricant oil regeneration research
Hot spot, the research direction of commercial Application.But above several no sulfuric acid process for regeneration of waste lubricating oil exist complex process,
The disadvantages such as technology is immature, investment is big, of high cost, by-product is more, the rate of recovery is low and be not used more widely always.
Invention content
It is an object of the invention to be directed to problems of the prior art to provide a kind of no sulfuric acid environment-friendly type waste lubricating oil
Decoloration de-tastes regeneration technology, and the entire processing procedure of the technique is environmentally protective, no waste water,waste gas and industrial residue.
The technical scheme is that：
A kind of decoloration of environment-friendly type waste lubricating oil de-tastes regeneration technology, including following processing step：
One, is catalyzed reaction treatment：The waste lubricating oil product to be handled are added in the reaction kettle with stirring, heating makes oil temperature liter
To 50 DEG C -- 80 DEG C, be then added and account for the Catalyzed by Anhydrous Aluminium Chloride agent of oil product weight 3%~5%, be sufficiently stirred 60 minutes with
On, until generating dark thick paste；
Two, precipitation separation impurity treatments：Through step 1 treated oil product quiescent setting 2 hours or more, until dark thick cream
Shape object is all deposited to reaction kettle bottom；
Three, alkali cleanings are handled：Upper layer oil product after step 2 detaches impurity is retracted in another reaction kettle, and past reaction
A concentration of 10%-20% sodium hydroxide solutions are added in oil product in kettle, addition is the 1%-3% of oil product weight, is fully stirred
Mix 5-10 minutes, be then allowed to stand precipitation until sodium hydroxide solution be sunken to oil product bottom, until top oil product is as clear as crystal, will
Top oil product and lower part sodium hydroxide solution are detached, the namely regenerated lubricating oil of top oil product；
The processing of four, precipitation polymers：Suitable hot water is added in generated dark thick paste into step 1
Or sodium hydroxide solution, dark thick paste will hydrolyze after hot water is added, and be then allowed to stand precipitation, black hydrocarbon polymer
Hydrolysis becomes the hydro carbons floating material volume with mobility and becomes smaller, and water is then sunken to reaction kettle lower curtate, to carry out water-oil separating, water
Can Reusability, waste residue can be used as fuel use.
Specifically, further including decolorization filtering step, oil product of the decolorization filtering step after step 3 processing is clear
The clear transparency carries out when undesirable, and decolorization filtering processing is：Alkali cleaning treated oil product stirring is warming up to 120 DEG C of left sides
The carclazyte of the 6%-8% of oil product weight is added in the right side, stir 30 minutes or more, 60 DEG C are then cooled to hereinafter, with plate and frame press filtration
Machine filters out the carclazyte in oil, the namely regenerated lubricating oil of obtained filtrate.
Specifically, if what is be added is hot water, the body of the volume and dark thick paste of hot water in the step four
Product is equal；The sodium hydroxide solution being added in the step 4 can be the hydroxide that oil product bottom is sunken in step 3 alkaline cleaning procedure
Sodium solution.
Specifically, the amount for the sodium hydroxide solution being added in the step three alkali cleaning processing procedure is oil product weight
2%.
The beneficial effects of the invention are as follows：By chemically react and flocculation by oil product colloid, asphalitine, mercaptan,
Non-ideal harmful substance and various additives form flocculent aggregate and are separated from oil in the waste oil such as oxide, this is useless
A kind of non-pollution technology that lubricant oil regeneration treatment process occurs in exploring, avoids the various disadvantages using sulfuric acid-carclazyte method,
The pollution for thoroughly having eradicated Sulphuric acid, preferably eliminates the non-ideal substance in oil product.Treated oil product no matter color
Degree or smell meet the use standard of lube base oil, and no acid sludge is environmentally protective, handles waste lubricating oil cost per ton
30-80 members, of low cost, raw material is easily purchased.Whole process is environmentally protective, no waste water,waste gas and industrial residue.
Specific implementation mode
A kind of decoloration of environment-friendly type waste lubricating oil de-tastes regeneration technology, including following processing step：
One, is catalyzed reaction treatment：The waste lubricating oil product to be handled are added in the reaction kettle with stirring, heating makes oil temperature liter
To 50 DEG C -- 80 DEG C, be then added and account for the Catalyzed by Anhydrous Aluminium Chloride agent of oil product weight 3%~5%, be sufficiently stirred 60 minutes with
On, until generating dark thick paste；Mixing time can extend in the case that winter temperature is low, because of meeting after addition catalyst
Have reaction temperature rising, so Oil-temperature control is unsuitable excessively high before being added, through be sufficiently stirred catalyst can in waste lubricating oil product colloid,
Non-ideal substance reacts in the waste oil such as asphalitine, mercaptan, oxide, and generates dark thick polymer, through being sufficiently stirred
To generation polymeric precipitation object reach dark thick paste can, be otherwise to be not thorough because stirring insufficient or reaction, need to be after
The additive amount of continuous stirring or larger catalyst；
Two, precipitation separation impurity treatments：Through step 1 treated oil product quiescent setting 2 hours or more, until dark thick cream
Shape object is all deposited to reaction kettle bottom；Sedimentation time is longer, and effect is better, sedimentation time long impurity good separating effect, miscellaneous in oil
The corresponding content of matter is low；
Three, alkali cleanings are handled：Upper layer oil product after step 2 detaches impurity is retracted in another reaction kettle, and past reaction
A concentration of 10%-20% sodium hydroxide solutions are added in oil product in kettle, addition is the 2% of oil product weight, is sufficiently stirred 5-
10 minutes, precipitation was then allowed to stand until sodium hydroxide solution is sunken to oil product bottom, until top oil product is as clear as crystal, by top
Oil product and lower part sodium hydroxide solution are detached, the namely regenerated lubricating oil of top oil product；
The processing of four, precipitation polymers：Appropriate hot water is added in generated dark thick paste into step 1, heat
The volume of water is equal with the volume of dark thick paste, and dark thick paste will hydrolyze after hot water is added, and be then allowed to stand
Precipitation, the hydrolysis of black hydrocarbon polymer become the hydro carbons floating material volume with mobility and become smaller, and water is then sunken to reaction kettle lower curtate,
To carry out water-oil separating, water can Reusability, waste residue can be used as fuel and uses or be sent to refinery as catalytic heat cracking device
Raw material；It can be also added in this step in step 3 alkaline cleaning procedure and be sunken to the sodium hydroxide solution of oil product bottom.
If the as clear as crystal property of oil product after step 3 alkali cleaning processing can carry out decolorization filtering processing again when undesirable,
The decolorization filtering is handled：Alkali cleaning treated oil product stirring is warming up to 120 DEG C or so, the 6%- of oil product weight is added
8% carclazyte, stir 30 minutes or more, 60 DEG C are then cooled to hereinafter, being filtered out the carclazyte in oil with plate and frame type filter-press
Come, the namely regenerated lubricating oil of obtained filtrate.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
It can modify to the specific implementation mode of the present invention or equivalent replacement is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (4)
1. a kind of environment-friendly type waste lubricating oil decoloration de-tastes regeneration technology, which is characterized in that including following processing step：One, is catalyzed
Reaction treatment：The waste lubricating oil product to be handled are added in the reaction kettle with stirring, heating makes oil temperature rise to 50 DEG C -- 80 DEG C, so
The anhydrous catalyst for accounting for oil product weight 3%~5% is added afterwards, the catalyst is made of BeCl2 and FeCl2, described
The ratio of BeCl2 and FeCl2 is 2：1, it is sufficiently stirred 60 minutes or more, until generating dark thick paste；
Two, precipitation separation impurity treatments：Through step 1 treated oil product quiescent setting 2 hours or more, until dark thick paste
All it is deposited to reaction kettle bottom；
Three, alkali cleanings are handled：Upper layer oil product after step 2 detaches impurity is retracted in another reaction kettle, and into reaction kettle
Oil product in be added a concentration of 10%-20% sodium hydroxide solutions, addition is the 1%-3% of oil product weight, is sufficiently stirred 5-
10 minutes, precipitation was then allowed to stand until sodium hydroxide solution is sunken to oil product bottom, until top oil product is as clear as crystal, by top
Oil product and lower part sodium hydroxide solution are detached, the namely regenerated lubricating oil of top oil product；
The processing of four, precipitation polymers：Appropriate hot water or hydrogen is added in the dark thick paste isolated into step 2
Sodium hydroxide solution, dark thick paste will hydrolyze after hot water is added, and be then allowed to stand precipitation, black hydrocarbon polymer is hydrolyzed into
Become smaller for the hydro carbons floating material volume with mobility, water is then sunken to reaction kettle lower curtate, and to carry out water-oil separating, water can be repeatedly
It uses, waste residue can be used as fuel use.
2. environment-friendly type waste lubricating oil decoloration according to claim 1 de-tastes regeneration technology, which is characterized in that further include decolourizing
Step is filtered, the decolorization filtering step is carried out when the as clear as crystal property of oil product after step 3 processing is undesirable, described
Decolorization filtering is handled：Alkali cleaning treated oil product stirring is warming up to 120 DEG C or so, is added the 6%-8%'s of oil product weight
Then carclazyte, stirring 30 minutes or more cool to 60 DEG C hereinafter, filtered out the carclazyte in oil with plate and frame type filter-press, obtain
The namely regenerated lubricating oil of the filtrate arrived.
3. environment-friendly type waste lubricating oil decoloration according to claim 1 de-tastes regeneration technology, which is characterized in that the step four
In if be added be hot water, the volume of hot water is equal with the volume of dark thick paste, the hydrogen being added in the step 4
Sodium hydroxide solution can be the sodium hydroxide solution that oil product bottom is sunken in step 3 alkaline cleaning procedure.
4. environment-friendly type waste lubricating oil decoloration according to claim 1 de-tastes regeneration technology, which is characterized in that the step three
The amount for the sodium hydroxide solution being added in alkali cleaning processing procedure is the 2% of oil product weight.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810470552.7A CN108485791A (en) | 2018-05-17 | 2018-05-17 | A kind of decoloration of environment-friendly type waste lubricating oil de-tastes regeneration technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810470552.7A CN108485791A (en) | 2018-05-17 | 2018-05-17 | A kind of decoloration of environment-friendly type waste lubricating oil de-tastes regeneration technology |
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| CN108485791A true CN108485791A (en) | 2018-09-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111635811A (en) * | 2020-06-05 | 2020-09-08 | 山西新鸿顺能源有限公司 | Deep refining process and system for waste lubricating oil |
| CN111888831A (en) * | 2020-06-24 | 2020-11-06 | 刘发业 | Waste sulfuric acid recovery processing device and application thereof |
| FR3130826A1 (en) * | 2021-12-21 | 2023-06-23 | Totalenergies Marketing Services | Method for purifying at least partly re-refined lubricating oils |
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| US2106010A (en) * | 1932-11-26 | 1938-01-18 | Levi Mario Giacomo | Process of purification and regeneration of used lubricating oils |
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2018
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| CN1067262A (en) * | 1991-05-24 | 1992-12-23 | 李中轩 | A kind of method that reclaims lubricating oil in the dregs of fat |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111635811A (en) * | 2020-06-05 | 2020-09-08 | 山西新鸿顺能源有限公司 | Deep refining process and system for waste lubricating oil |
| CN111635811B (en) * | 2020-06-05 | 2022-06-28 | 山西新鸿顺能源有限公司 | Deep refining process and system for waste lubricating oil |
| CN111888831A (en) * | 2020-06-24 | 2020-11-06 | 刘发业 | Waste sulfuric acid recovery processing device and application thereof |
| FR3130826A1 (en) * | 2021-12-21 | 2023-06-23 | Totalenergies Marketing Services | Method for purifying at least partly re-refined lubricating oils |
| WO2023118063A1 (en) * | 2021-12-21 | 2023-06-29 | Totalenergies Onetech | Method for purifying at least partially re-refined lubricating oils |
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Application publication date: 20180904 |