阅读说明：本技术 一种改良脱硫剂脱除油品中硫化物的方法 (A method of sulfide in improvement desulfurizing agent removing oil product ) 是由 蒋成祥 于 2019-10-08 设计创作，主要内容包括：本发明公开了一种改良脱硫剂脱除油品中硫化物的方法,以离子溶液为萃取溶剂与另一种有机溶剂按一定比例混合形成改良脱硫剂,在一定温度和时间下,用于脱除油品中的有机硫或无机硫,包括以下步骤：S1、取80％～90％的离子溶液和10％～20％的有机溶剂放入反应釜中,将反应釜加热,加热温度为50℃～60℃,并进行人工搅拌,待冷却后形成改良脱硫剂；S2、取原料油品与改良脱硫剂按3:1～6:1比例混合。S3、在常压、5℃～60℃温度下进行萃取,用水浴加热并搅拌,在一定温度下萃取一定时间。待完全冷却后,分离出上层油品,测定油品中剩余硫含量,下层的离子液体可直接循环使用。实现脱硫效率高,脱硫成本低且改良脱硫剂易于再生,稳定性好、在油品中几乎无残留、重复利用率高。(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.)

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.

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.