CN110408423A - A method of Sulfur content in Fuel Oil compound is removed using modified poly (ethylene glycol) - Google Patents
A method of Sulfur content in Fuel Oil compound is removed using modified poly (ethylene glycol) Download PDFInfo
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- CN110408423A CN110408423A CN201910732540.1A CN201910732540A CN110408423A CN 110408423 A CN110408423 A CN 110408423A CN 201910732540 A CN201910732540 A CN 201910732540A CN 110408423 A CN110408423 A CN 110408423A
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- Prior art keywords
- oil
- ethylene glycol
- modified poly
- sulfur content
- fuel oil
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G21/00—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
- C10G21/06—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents characterised by the solvent used
- C10G21/12—Organic compounds only
- C10G21/16—Oxygen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G21/00—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
- C10G21/28—Recovery of used solvent
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
- C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
- C10G53/04—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only including at least one extraction step
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
- C10G2300/202—Heteroatoms content, i.e. S, N, O, P
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a kind of methods using modified poly (ethylene glycol) removing Sulfur content in Fuel Oil compound, the following steps are included: S1, appropriate shale oil is taken to be put in reaction kettle, being adjusted to temperature of reaction kettle is 50~60 DEG C, preheating is carried out to shale oil until shale oil is in flowable state, appropriate zeolite is added, carry out vacuum distillation processing, feedstock oil of the resulting diesel oil distillate as desulfurization；S2, it takes appropriate feedstock oil to mix with solvent by quality 3:14, measures the total sulfur content in feedstock oil respectively；S3, modified poly (ethylene glycol) kind of extractants and feedstock oil are mixed in a certain ratio, stirring comes into full contact with feedstock oil with extractant at a certain temperature, Liquid liquid Separation after stratification obtains desulfurization fuel oil and extraction phase, obtains regenerated extractant after extraction phase vacuum distillation and be recycled.The present invention provides a kind of method for removing Sulfur content in Fuel Oil compound, and desulfurization effect is ideal, reaction condition is mild, equipment is simple, and no pollution to the environment, prospects for commercial application are very wide.
Description
Technical field
The invention belongs to desulfurizing oil technical fields, more particularly to a kind of using in modified poly (ethylene glycol) removing fuel oil
The method of sulfide.
Background technique
Currently used sulfur method has hydrodesulfurization, catalytic desulfurization, rectifying desulfurization and absorption desulfurization.Hydrodesulfurization due to
Hydrogen source is needed, and the phenyl ring of aromatic hydrocarbons can be hydrogenated in hydrodesulfurization, therefore the loss of at high cost and aroamtic hydrocarbon raw material is serious, no
It is suitble to aromatizing and desulfurizing.Rectifying desulphurization plant cost of investment is high, and since certain sulfide and aromatic hydrocarbons form total waste, desulfurization precision
Technique requirement is not achieved.Desulfurization is adsorbed there are the Sulfur capacity saturated capacity of adsorbent is low, removes halfway problem.
CN101525549A discloses a kind of hydrocracking tail oil deep adsorbent desulfurizing and denitrifying method, it includes that will contain a certain amount of vulcanization
The hydrocracking tail oil and a kind of hydrocracking tail oil deep absorption desulfurization, denitrifier of object and nitride are in certain temperature, pressure
With contacted under air speed, the desulfurization removing nitric hydrocracking tail oil after obtaining adsorption refining, product sulphur nitrogen content meet plus hydrogen it is different
Structure dewaxed feedstock requires but this method has that complex process, equipment investment and operating cost are high, non-renewable.
Summary of the invention
Sulfur content in Fuel Oil compound is removed using modified poly (ethylene glycol) the invention mainly solves the technical problem of providing a kind of
Method, desulfurization effect is ideal, reaction condition is mild, equipment is simple, no pollution to the environment.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of utilize is provided and is modified poly- second two
The method of alcohol removing Sulfur content in Fuel Oil compound, comprising the following steps:
S1, appropriate shale oil is taken to be put in reaction kettle, being adjusted to temperature of reaction kettle is 50~60 DEG C, is preheated to shale oil
Until shale oil is in flowable state, appropriate zeolite is added, carries out vacuum distillation processing, raw material of the resulting diesel oil distillate as desulfurization
Oil；
S2, it takes appropriate feedstock oil to mix with solvent by quality 3:14, measures the total sulfur content in feedstock oil respectively；
S3, modified poly (ethylene glycol) kind of extractants and feedstock oil are mixed in a certain ratio, stirring makes original at a certain temperature
Material oil comes into full contact with extractant, Liquid liquid Separation after stratification, desulfurization fuel oil and extraction phase is obtained, after extraction phase vacuum distillation
Regenerated extractant is obtained to be recycled.
The present invention is to solve further technical solution used by its technical problem:
It further says, the quality adding proportion of the modified poly (ethylene glycol) kind of extractants and feedstock oil is 27:1.
It further says, the Contact Temperature of the modified poly (ethylene glycol) kind of extractants and feedstock oil is 50-70 DEG C, when contact
Between be 3-4h.
It further says, the regeneration temperature that extraction phase is evaporated under reduced pressure in the step S3 is 80-120 DEG C, vacuum degree -0.05
To -0.1MPa, reproduction time 1-4h.
It further says, the molecular weight of the modified poly (ethylene glycol) kind of extractants controls within the scope of 150-600.
It further says, the sulfide is thiophene, 2- methylthiophene, 3 methyl thiophene, 2,5- thioxene, 2,4-
Thioxene, 2,3- thioxene, 3,4- thioxene, tetramethyl thiophene, methyl mercaptan, ethyl mercaptan, propanethiol, isobutyl
At least one of mercaptan, diethyl thioether, carbonyl sulfur or carbon disulfide.
The beneficial effects of the present invention are: the present invention removes the method desulfurization effect ideal of Sulfur content in Fuel Oil compound, reaction item
Part is mild, equipment is simple, and no pollution to the environment, prospects for commercial application are very wide.
Specific embodiment
The preferred embodiments of the present invention will be described in detail below so that advantages and features of the invention can be easier to by
It will be appreciated by those skilled in the art that so as to make a clearer definition of the protection scope of the present invention.
Embodiment: a method of Sulfur content in Fuel Oil compound being removed using modified poly (ethylene glycol), the present invention includes following step
It is rapid:
S1, appropriate shale oil is taken to be put in reaction kettle, being adjusted to temperature of reaction kettle is 50~60 DEG C, is preheated to shale oil
Until shale oil is in flowable state, appropriate zeolite is added, carries out vacuum distillation processing, raw material of the resulting diesel oil distillate as desulfurization
Oil；
S2, it takes appropriate feedstock oil to mix with solvent by quality 3:14, measures the total sulfur content in feedstock oil respectively；
S3, modified poly (ethylene glycol) kind of extractants and feedstock oil are mixed in a certain ratio, stirring makes original at a certain temperature
Material oil comes into full contact with extractant, Liquid liquid Separation after stratification, desulfurization fuel oil and extraction phase is obtained, after extraction phase vacuum distillation
Regenerated extractant is obtained to be recycled.
The quality adding proportion of the modified poly (ethylene glycol) kind of extractants and feedstock oil is 27:1.
The Contact Temperature of the modified poly (ethylene glycol) kind of extractants and feedstock oil is 50-70 DEG C, time of contact 3-4h.
The regeneration temperature that extraction phase is evaporated under reduced pressure in the step S3 is 80-120 DEG C, vacuum degree -0.05 to -0.1MPa,
Reproduction time is 1-4h.
The molecular weight of the modified poly (ethylene glycol) kind of extractants controls within the scope of 150-600.
The sulfide be thiophene, 2- methylthiophene, 3 methyl thiophene, 2,5- thioxene, 2,4- thioxene,
2,3- thioxenes, 3,4- thioxene, tetramethyl thiophene, methyl mercaptan, ethyl mercaptan, propanethiol, isobutyl mercaptan, diethyl
At least one of thioether, carbonyl sulfur or carbon disulfide.
Working principle of the present invention is as follows: the method desulfurization effect that the present invention removes Sulfur content in Fuel Oil compound is ideal, reacts
Mild condition, equipment are simple, and no pollution to the environment, and prospects for commercial application is very wide.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure transformation made by bright specification is applied directly or indirectly in other relevant technical fields, and is similarly included in
In scope of patent protection of the invention.
Claims (6)
1. a kind of method using modified poly (ethylene glycol) removing Sulfur content in Fuel Oil compound, it is characterised in that: the following steps are included:
S1, take appropriate shale oil to be put in reaction kettle, be adjusted to temperature of reaction kettle be 50~60 DEG C, to shale oil carry out preheating until
Shale oil is in flowable state, and appropriate zeolite is added, carries out vacuum distillation processing, feedstock oil of the resulting diesel oil distillate as desulfurization；
S2, it takes appropriate feedstock oil to mix with solvent by quality 3:14, measures the total sulfur content in feedstock oil respectively；
S3, modified poly (ethylene glycol) kind of extractants and feedstock oil are mixed in a certain ratio, stirring makes feedstock oil at a certain temperature
It is come into full contact with extractant, Liquid liquid Separation after stratification, obtains desulfurization fuel oil and extraction phase, obtained after extraction phase vacuum distillation
Regenerated extractant is recycled.
2. a kind of method using modified poly (ethylene glycol) removing Sulfur content in Fuel Oil compound according to claim 1, feature
Be: the quality adding proportion of the modified poly (ethylene glycol) kind of extractants and feedstock oil is 27:1.
3. a kind of method using modified poly (ethylene glycol) removing Sulfur content in Fuel Oil compound according to claim 1, feature
Be: the Contact Temperature of the modified poly (ethylene glycol) kind of extractants and feedstock oil is 50-70 DEG C, time of contact 3-4h.
4. a kind of method using modified poly (ethylene glycol) removing Sulfur content in Fuel Oil compound according to claim 1, feature
Be: the regeneration temperature that extraction phase is evaporated under reduced pressure in the step S3 is 80-120 DEG C, vacuum degree -0.05 to -0.1MPa, regeneration
Time is 1-4h.
5. a kind of method using modified poly (ethylene glycol) removing Sulfur content in Fuel Oil compound according to claim 1, feature
Be: the molecular weight of the modified poly (ethylene glycol) kind of extractants controls within the scope of 150-600.
6. a kind of method using modified poly (ethylene glycol) removing Sulfur content in Fuel Oil compound according to claim 1, feature
Be: the sulfide be thiophene, 2- methylthiophene, 3 methyl thiophene, 2,5- thioxene, 2,4- thioxene, 2,
3- thioxene, 3,4- thioxene, tetramethyl thiophene, methyl mercaptan, ethyl mercaptan, propanethiol, isobutyl mercaptan, diethyl sulfide
At least one of ether, carbonyl sulfur or carbon disulfide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732540.1A CN110408423A (en) | 2019-08-09 | 2019-08-09 | A method of Sulfur content in Fuel Oil compound is removed using modified poly (ethylene glycol) |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910732540.1A CN110408423A (en) | 2019-08-09 | 2019-08-09 | A method of Sulfur content in Fuel Oil compound is removed using modified poly (ethylene glycol) |
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| CN110408423A true CN110408423A (en) | 2019-11-05 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1341698A (en) * | 2001-10-12 | 2002-03-27 | 清华大学 | Method for removing sulfur-containing compound from catalytically cracked gasoline by using polyglycol extraction process |
| WO2003089547A1 (en) * | 2002-04-19 | 2003-10-30 | Clariant Gmbh | Method for the desulphurization of products involved in crude oil fractionation |
| CN103432890A (en) * | 2013-09-10 | 2013-12-11 | 北京博源恒升高科技有限公司 | Method for removing SOx in gas by using modified polyethylene glycol |
| CN107033951A (en) * | 2017-06-26 | 2017-08-11 | 徐州洁诚环保科技有限公司 | A kind of method of nitride in removing fuel oil |
| CN108034445A (en) * | 2017-12-14 | 2018-05-15 | 武汉工程大学 | A kind of method that thiophenic sulfur in gasoline is removed using modified poly (ethylene glycol) |
-
2019
- 2019-08-09 CN CN201910732540.1A patent/CN110408423A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1341698A (en) * | 2001-10-12 | 2002-03-27 | 清华大学 | Method for removing sulfur-containing compound from catalytically cracked gasoline by using polyglycol extraction process |
| WO2003089547A1 (en) * | 2002-04-19 | 2003-10-30 | Clariant Gmbh | Method for the desulphurization of products involved in crude oil fractionation |
| CN103432890A (en) * | 2013-09-10 | 2013-12-11 | 北京博源恒升高科技有限公司 | Method for removing SOx in gas by using modified polyethylene glycol |
| CN107033951A (en) * | 2017-06-26 | 2017-08-11 | 徐州洁诚环保科技有限公司 | A kind of method of nitride in removing fuel oil |
| CN108034445A (en) * | 2017-12-14 | 2018-05-15 | 武汉工程大学 | A kind of method that thiophenic sulfur in gasoline is removed using modified poly (ethylene glycol) |
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Application publication date: 20191105 |