CN110511780A - A method of sulfide in improvement desulfurizing agent removing oil product - Google Patents
A method of sulfide in improvement desulfurizing agent removing oil product Download PDFInfo
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- CN110511780A CN110511780A CN201910950452.9A CN201910950452A CN110511780A CN 110511780 A CN110511780 A CN 110511780A CN 201910950452 A CN201910950452 A CN 201910950452A CN 110511780 A CN110511780 A CN 110511780A
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- oil product
- improvement
- desulfurizing agent
- sulfide
- temperature
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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
-
- 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 of sulfide in improvement desulfurizing agent removing oil product, improvement desulfurizing agent is mixed to form by extractant and another organic solvent in certain ratio of solion, under certain temperature and time, for removing organic sulfur or inorganic sulfur in oil product, the following steps are included: S1,80%~90% solion and 10%~20% organic solvent is taken to be put into reaction kettle, reaction kettle is heated, heating temperature is 50 DEG C~60 DEG C, and manually stirred, improvement desulfurizing agent is formed after cooling；S2, raw material oil product is taken to mix with improvement desulfurizing agent in 3:1~6:1 ratio.S3, it is extracted at a temperature of normal pressure, 5 DEG C~60 DEG C, with heating water bath and stirs, extract certain time at a certain temperature.After cooling down completely, upper layer oil product is isolated, measures remaining sulfur content in oil product, the ionic liquid of lower layer can direct reuse.Realize that desulfuration efficiency is high, desulphurization cost is low and improvement desulfurizing agent is easy to regenerate, and stability is good, the almost noresidue, high recycling rate in oil product.
Description
Technical field
The present invention relates to a kind of techniques for removing sulfide, more particularly to a kind of method of sulfide in removing oil product.
Background technique
With the fast development of auto industry, atmosphere polluting problem caused by vehicle exhaust is got worse, sulfur in gasoline
The SOx that object burning generates is one of the major pollutants for causing air pollution and forming acid rain.Therefore, the deep desulfuration of gasoline by
Pay attention to more and more.Requirement of the countries in the world to sulfur content in gasoline is increasingly strict.Currently, the industrial desulfurization of fuel oil
Main method is catalytic hydrogenation, needs to carry out under high temperature and pressure, can remove mercaptan from gasoline, thioether by this method
It is difficult to remove etc. simple small molecule organic sulfur compound, but to thiophene and derivatives.
In consideration of it, positive research and development non-hydrodesulfurization, including biological desulphurization, absorption desulfurization, oxidation both at home and abroad
Desulfurization and abstraction desulfurization etc..Compared with conventional organic solvents, ionic liquid have it is non-volatile, do not corrode, good physico-chemical property
And the advantages that good dissolubility, it is more suitable for extraction process, is had a good application prospect using ion liquid abstraction desulfurization.
The desulfurization effect for the ionic liquid being currently known is all lower, and desulfurization effect is not ideal enough.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of methods of sulfide in improvement desulfurizing agent removing oil product, mention
High desulfurization efficiency.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: using solion as extractant with
Another organic solvent in certain ratio is mixed to form improvement desulfurizing agent, under certain temperature and time, for removing in oil product
Organic sulfur or inorganic sulfur, comprising the following steps:
S1, the solion for taking 80%~90% and 10%~20% organic solvent are put into reaction kettle, by reaction kettle
Heating, heating temperature is 50 DEG C~60 DEG C, and is manually stirred, and forms improvement desulfurizing agent after cooling；
S2, raw material oil product is taken to mix with improvement desulfurizing agent in 3:1~6:1 ratio.
S3, it is extracted at a temperature of normal pressure, 5 DEG C~60 DEG C, with heating water bath and stirs, extract one at a certain temperature
It fixes time, after cooling down completely, isolates upper layer oil product, measure remaining sulfur content in oil product, the ionic liquid of lower layer can be direct
It is recycled.
Furtherly, the cation of the ionic liquid is alkyl imidazolium ion, the anion of the ionic liquid
It is polyacrylamide.
Furtherly, when preparing liquid, the molar ratio of cationic source substance and anion source substance is 1:1~2, accounts for and changes
The 80%~90% of good desulfurizing agent quality.
Furtherly, another organic solvent be alcohols and alcohol derivatives, Zhan Gailiang desulfurizing agent quality 10%~
20%.
Furtherly, it is extracted at a temperature of normal pressure, 5 DEG C~60 DEG C, a certain amount of improvement desulfurizing agent and oil product, water is added
Bath is heated and is stirred, and extracts certain time at a certain temperature.After cooling down completely, upper layer oil product is isolated, is measured in oil product
The ionic liquid of remaining sulfur content, lower layer can direct reuse.
Furtherly, it improves desulfurizing agent and the mass ratio of oil product is generally 3:1~6:1；Extraction temperature is generally 5 DEG C~60
℃；Extraction time is generally 10~20min.
The beneficial effects of the present invention are: ionic liquid and organic solvent are mixed to form improvement by the present invention in certain proportion
Desulfurizing agent realizes that desulfuration efficiency is high, and desulphurization cost is low and improvement desulfurizing agent is easy to regenerate, stability is good, in oil product almost without
Residual, high recycling rate；
Furthermore device requirement used in sulfide is simple in improvement desulfurizing agent removing oil product of the invention；Ionic liquid pair
Moisture and air are relatively stable, simple to device requirement and do not have corrosivity to equipment, and non-volatile, it is easy to separate with oil product.
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.
The present embodiment: a method of sulfide in improvement desulfurizing agent removing oil product improves desulfuration efficiency.
It is mixed to form improvement desulfurizing agent by extractant and another organic solvent in certain ratio of solion, one
Determine under temperature and time, for removing organic sulfur or inorganic sulfur in oil product, comprising the following steps:
S1, the solion for taking 80%~90% and 10%~20% organic solvent are put into reaction kettle, by reaction kettle
Heating, heating temperature is 50 DEG C~60 DEG C, and is manually stirred, and forms improvement desulfurizing agent after cooling；
S2, raw material oil product is taken to mix with improvement desulfurizing agent in 3:1~6:1 ratio.
S3, it is extracted at a temperature of normal pressure, 5 DEG C~60 DEG C, with heating water bath and stirs, extract one at a certain temperature
It fixes time, after cooling down completely, isolates upper layer oil product, measure remaining sulfur content in oil product, the ionic liquid of lower layer can be direct
It is recycled.
The cation of the ionic liquid is alkyl imidazolium ion, and the anion of the ionic liquid is polyacrylamide
Amine.
When preparing liquid, the molar ratio of cationic source substance and anion source substance is 1:1~2, Zhan Gailiang desulfurizing agent
The 80%~90% of quality.
Another organic solvent be alcohols and alcohol derivatives, the 10%~20% of Zhan Gailiang desulfurizing agent quality.
It is extracted at a temperature of normal pressure, 5 DEG C~60 DEG C, a certain amount of improvement desulfurizing agent and oil product is added, heating water bath is simultaneously
Stirring, extracts certain time at a certain temperature.After liquid to be extracted cools down completely, upper layer oil product is isolated, is surveyed with Microcoulomb instrument
Remaining sulfur content in stand oil product, the ionic liquid of lower layer can direct reuse.
The mass ratio of improvement desulfurizing agent and oil product is generally 3:1~6:1；Extraction temperature is generally 5 DEG C~60 DEG C；When extraction
Between generally 10~20min.
The method desulfurization effect that the present invention removes sulfide in oil product is ideal, reaction condition is mild, equipment is simple, and to ring
Border is pollution-free, 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. it is a kind of improvement desulfurizing agent removing oil product in sulfide method, it is characterised in that: using solion be extractant and
Another organic solvent in certain ratio is mixed to form improvement desulfurizing agent, under certain temperature and time, for removing in oil product
Organic sulfur or inorganic sulfur, comprising the following steps:
S1, the solion for taking 80%~90% and 10%~20% organic solvent are put into reaction kettle, and reaction kettle is heated,
Heating temperature is 50 DEG C~60 DEG C, and is manually stirred, and forms improvement desulfurizing agent after cooling；
S2, raw material oil product is taken to mix with improvement desulfurizing agent by weight 3:1~6:1；
S3, it is extracted at a temperature of normal pressure, 5 DEG C~60 DEG C, with heating water bath and is stirred, extract a timing at a certain temperature
Between, after cooling down completely, upper layer oil product is isolated, measures remaining sulfur content in oil product, the ionic liquid of lower layer can direct circulation
It uses.
2. the method for sulfide in a kind of improvement desulfurizing agent removing oil product according to claim 1, it is characterised in that: described
Ionic liquid in cation be alkyl imidazolium ion, the anion in the ionic liquid is polyacrylamide.
3. the method for sulfide in a kind of improvement desulfurizing agent removing oil product according to claim 1, it is characterised in that: making
When for using solion as extractant, the molar ratio of cationic source substance and anion source substance is 1:1~2, extractant
Account for the 80%~90% of improvement desulfurizing agent quality.
4. the method for sulfide in a kind of improvement desulfurizing agent removing oil product according to claim 1, it is characterised in that: described
Another organic solvent be alcohols and alcohol derivatives, it is described another kind organic solvent account for improvement desulfurizing agent quality 10%~
20%.
5. the method for sulfide in a kind of improvement desulfurizing agent removing oil product according to claim 1, it is characterised in that: normal
It presses, extracted at a temperature of 5 DEG C~60 DEG C, a certain amount of oil product and improvement desulfurizing agent is added, heating water bath simultaneously stirs, in certain temperature
Degree is lower to extract certain time；After liquid to be extracted cools down completely, upper layer oil product is isolated, with remaining sulphur in Microcoulomb instrument measurement oil product
The ionic liquid of content, lower layer can direct reuse.
6. the method for sulfide in a kind of improvement desulfurizing agent removing oil product according to claim 5, it is characterised in that: improvement
The mass ratio of desulfurizing agent and oil product is 3:1~6:1；Extraction temperature is 5 DEG C~60 DEG C；Extraction time is 10~20min.
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| CN201910950452.9A CN110511780A (en) | 2019-10-08 | 2019-10-08 | A method of sulfide in improvement desulfurizing agent removing oil product |
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| CN201910950452.9A CN110511780A (en) | 2019-10-08 | 2019-10-08 | A method of sulfide in improvement desulfurizing agent removing oil product |
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| CN110511780A true CN110511780A (en) | 2019-11-29 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101063046A (en) * | 2007-06-07 | 2007-10-31 | 中国科学院过程工程研究所 | Oil sulfur removal method based on ion liquid |
| CN101260314A (en) * | 2008-05-04 | 2008-09-10 | 中国科学院过程工程研究所 | Oil oxidation-extraction desulfurization technique based on ionic liquid composite solvent |
| CN103586085A (en) * | 2013-11-20 | 2014-02-19 | 西南石油大学 | Preparation method for catalytic gasoline alkylation desulfurization catalyst |
| CN104560120A (en) * | 2014-11-13 | 2015-04-29 | 青岛科技大学 | Method for extracting removal of sulfides from fuel oil by using polyether type octadecylamine ionic liquid |
| CN111057574A (en) * | 2019-12-25 | 2020-04-24 | 浙江佳运能源技术有限公司 | Environment-friendly desulfurizer and preparation method thereof |
-
2019
- 2019-10-08 CN CN201910950452.9A patent/CN110511780A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101063046A (en) * | 2007-06-07 | 2007-10-31 | 中国科学院过程工程研究所 | Oil sulfur removal method based on ion liquid |
| CN101260314A (en) * | 2008-05-04 | 2008-09-10 | 中国科学院过程工程研究所 | Oil oxidation-extraction desulfurization technique based on ionic liquid composite solvent |
| CN103586085A (en) * | 2013-11-20 | 2014-02-19 | 西南石油大学 | Preparation method for catalytic gasoline alkylation desulfurization catalyst |
| CN104560120A (en) * | 2014-11-13 | 2015-04-29 | 青岛科技大学 | Method for extracting removal of sulfides from fuel oil by using polyether type octadecylamine ionic liquid |
| CN111057574A (en) * | 2019-12-25 | 2020-04-24 | 浙江佳运能源技术有限公司 | Environment-friendly desulfurizer and preparation method thereof |
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Application publication date: 20191129 |